REMEHA Gas 220 Ace 220, Gas 220 Ace Series, Gas 220 Ace 160, Gas 220 Ace 250, Gas 220 Ace 300 Installation, User And Service Manual

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United Kingdom

Installation, User and Service Manual

High-efficiency floor-standing gas boiler

Gas 220 Ace

160 - 200 - 250 - 300

HMI S-control

Dear Customer,

Thank you very much for buying this appliance.

Please read through the manual carefully before using the product, and keep it in a safe place for later reference. In order to ensure continued safe and efficient operation we recommend that the product is serviced regularly. Our service and customer service organisation can assist with this.

We hope you enjoy years of problem-free operation with the product.

7665063 - v.05 - 18102018 3

Contents

1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.1 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.2 Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.3 Specific safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.3.1 Additional guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.4 Liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.4.1 Manufacturer's liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.4.2 Installer's liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.4.3 User's liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

2 About this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.2 Additional documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.3 Symbols used in the manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

3 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.1 Homologations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.1.1 Certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.1.2 Unit categories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

3.1.3 Factory test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.2 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

3.3 Dimensions and connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.4 Electrical diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4 Description of the product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.1 Operating principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.1.1 Gas/air regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.1.2 Combustion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.1.3 Control system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

4.1.4 Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.1.5 Regulating the water temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.1.6 Protection against shortage of water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.1.7 Water flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.1.8 Hydraulic pressure sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

4.1.9 Air pressure differential switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

4.1.10 Circulating pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.1.11 Calorifier connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.2 Main components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.3 Control panel description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.3.1 What each key means . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.3.2 Meaning of the symbols on the display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.3.3 Browsing in the menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

4.4 Standard delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4.5 Accessories and options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5 Before installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.1 Installation regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.2 Choice of the location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.2.1 Data plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.2.2 Location of the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.3 Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

5.4 Unpacking & initial preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

6 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

6.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

6.2 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

6.2.1 Positioning the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

6.3 Hydraulic connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

6.3.1 Rinsing the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

6.3.2 Connecting the heating circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

6.3.3 Connecting the condensate drain pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

6.4 Gas connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

6.5 Air supply/flue gas outlet connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

6.5.1 Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Contents

4 7665063 - v.05 - 18102018

6.5.2 Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

6.5.3 Dimensions of flue gas outlet pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

6.5.4 Length of the air and flue gas pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

6.5.5 Additional guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

6.5.6 Connecting the flue gas outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6.5.7 Connecting the air supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6.5.8 Specific air and flue gas applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

6.6 Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

6.6.1 Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

6.6.2 Control unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

6.6.3 Assembly of the control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.6.4 Installation of the connection box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

6.6.5 Connection options for the standard PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

6.7 Filling the installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

6.7.1 Water treatment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

6.7.2 Filling the siphon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

6.7.3 Filling the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

7 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

7.1 Checklist before commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

7.1.1 Preparing the boiler for commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

7.1.2 Gas circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

7.1.3 Hydraulic circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

7.1.4 Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

7.2 Commissioning procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

7.3 Gas settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

7.3.1 Adjusting to a different gas type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

7.3.2 Checking/setting combustion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

7.4 Final instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

8 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51

8.1 Use of the control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

8.2 Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

8.3 Frost protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

9 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

9.1 List of parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

9.1.1 Parameters - FSB-WHB-HE-150-300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

9.2 Changing the parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

9.2.1 Configuring the installation parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

9.3 Reading out measured values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

9.3.1 Reading out counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

9.3.2 Reading out signals and software versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

9.3.3 Counters - FSB-WHB-HE-150-300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

9.3.4 Signals - FSB-WHB-HE-150-300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

9.3.5 Status and sub-status - FSB-WHB-HE-150-300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

10 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

10.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

10.2 Maintenance message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

10.2.1 Resetting the service messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

10.2.2 Starting a new service interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

10.3 Standard inspection and maintenance operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

10.3.1 Checking the water pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

10.3.2 Checking the water quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

10.3.3 Checking the ionisation current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

10.3.4 Check the flue gas outlet/air supply connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

10.3.5 Checking the combustion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

10.3.6 Checking the PS air pressure differential switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

10.3.7 Checking the VPS gas leakage control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

10.3.8 Checking the minimum gas pressure switch GPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68

10.3.9 Checking the burner and cleaning the heat exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

10.3.10 Clean the condensate collector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

10.3.11 Cleaning the siphon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

10.4 Specific maintenance work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

10.4.1 Replacing the ionisation/ignition electrode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Contents

7665063 - v.05 - 18102018 5

10.4.2 Checking the non-return valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71

10.4.3 Reassembling the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

10.5 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

10.5.1 Removal/recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

11 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74

11.1 Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

11.1.1 Warning - FSB-WHB-HE-150-300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

11.1.2 Blocking - FSB-WHB-HE-150-300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

11.1.3 Lock-out - FSB-WHB-HE-150-300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77

11.2 Error memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

12 Removal/recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

13 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

13.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

13.2 Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

14 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

14.1 ErP information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

14.1.1 Product fiche . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

14.2 EC Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

14.3 Checklist for commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

14.4 Checklist for annual maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87

1 Safety

6 7665063 - v.05 - 18102018

1 Safety

1.1 General safety instructions

For the installer:

Danger If you smell gas:

1. Do not use naked flames, do not smoke and do not operate electrical contacts or switches (doorbell, lighting, motor, lift etc).

2. Shut off the gas supply.

3. Open the windows.

4. Trace possible leaks and seal them off immediately.

5. If the leak is upstream of the gas meter, notify the gas company.

Danger If you smell flue gases:

1. Switch the boiler off.

2. Open the windows.

3. Trace possible leaks and seal them off immediately.

Caution After maintenance or repair work, check the entire heating installation to ensure that there are no leaks.

For the end user:

1 Safety

7665063 - v.05 - 18102018 7

Danger If you smell gas:

1. Do not use naked flames, do not smoke and do not operate electrical contacts or switches (doorbell, lighting, motor, lift etc).

2. Shut off the gas supply.

3. Open the windows.

4. Report any leaks immediately.

5. Evacuate the property.

6. Contact a qualified installer.

Danger If you smell flue gases:

1. Switch the boiler off.

2. Open the windows.

3. Report any leaks immediately.

4. Evacuate the property.

5. Contact a qualified installer.

Warning Do not touch the flue gas pipes. Depending on the boiler settings, the temperature of the flue gas pipes can rise to over 60°C.

Warning Do not touch radiators for long periods. Depending on the boiler settings, the temperature of the radiators can rise to over 60°C.

Warning Be careful when using the domestic hot water. Depending on the boiler settings, the temperature of domestic hot water can rise to over 65°C.

Warning The use of the boiler and the installation by you as the end-user must be limited to the operations described in this manual. All other actions may only be undertaken by a qualified fitter/engineer.

Warning The condensation drain must not be changed or sealed. If a condensate neutralisation system is used, the system must be cleaned regularly in accordance with the instructions provided by the manufacturer.

1 Safety

8 7665063 - v.05 - 18102018

1.2 Recommendations

Caution Ensure that the boiler is regularly serviced. Contact a qualified installer or arrange a maintenance contract for the servicing of the boiler.

Caution Only genuine spare parts may be used.

Important Regularly check for the presence of water and pressure in the heating installation.

Danger This appliance can be used by children aged eight and above and people with a physical, sensory or mental disability, or with a lack of experience and knowledge, provided they are supervised and instructed in how to use the appliance in a safe manner and understand the associated dangers. Children must not be allowed to play with the appliance. Cleaning and user maintenance should not be carried out by children without adult supervision.

Warning Installation and maintenance of the boiler must be carried out by a qualified installer in accordance with local and national regulations.

Warning The installation and maintenance of the boiler must be undertaken by a qualified installer in accordance with the information in the supplied manual, doing otherwise may result in dangerous situations and/or bodily injury.

Warning Removal and disposal of the boiler must be carried out by a qualified installer in accordance with local and national regulations.

Warning If the mains lead is damaged, it must be replaced by the original manufacturer, the manufacturer's dealer or another suitably skilled person to prevent hazardous situations from arising.

1 Safety

7665063 - v.05 - 18102018 9

Warning Always disconnect the mains supply and close the main gas tap when working on the boiler.

Warning Check the entire system for leaks after maintenance and servicing work.

Danger For safety reasons, we recommend fitting smoke and CO alarms at suitable places in your home.

Caution

Make sure the boiler can be reached at all times. The boiler must be installed in a frost-free area. If the power cord is permanently connected, you must always install a main bipolar switch with an opening gap of at least 3 mm (BS EN 60335-1). Drain the boiler and central heating system if you are not going to use your home for a long time and there is a chance of frost. The frost protection does not work if the boiler is out of operation. The boiler protection only protects the boiler, not the system. Check the water pressure in the system regularly. If the water pressure is lower than 0.8 bar, the system must be topped up (recommended water pressure between 1.5 and 2 bar).

Important Keep this document near to the boiler.

Important Only remove the casing for maintenance and repair operations. Refit all panels when maintenance work and servicing are complete.

Important Instruction and warning labels must never be removed or covered and must be clearly legible throughout the entire service life of the boiler. Damaged or illegible instructions and warning stickers must be replaced immediately.

Important Modifications to the boiler require the written approval of Remeha.

1 Safety

10 7665063 - v.05 - 18102018

1.3 Specific safety instructions

1.3.1 Additional guidelines

In addition to the legal requirements and guidelines, the supplementary guidelines in this manual must also be followed. Supplements or subsequent regulations and guidelines that are valid at the time of installation shall apply to all regulations and guidelines specified in this manual.

1.4 Liabilities

1.4.1

Our products are manufactured in compliance with the requirements of the various Directives applicable. They are therefore delivered with the documents necessary. In the interests of the quality of our products, we strive constantly to improve them. We therefore reserve the right to modify the specifications given in this document.

Our liability as manufacturer may not be invoked in the following cases:

Failure to abide by the instructions on installing and maintaining the appliance. Failure to abide by the instructions on using the appliance. Faulty or insufficient maintenance of the appliance.

1.4.2

The installer is responsible for the installation and initial commissioning of the appliance. The installer must observe the following instructions:

Manufacturer's liability

marking and any

Installer's liability

Read and follow the instructions given in the manuals provided with the appliance. Install the appliance in compliance with prevailing legislation and standards. Carry out initial commissioning and any checks necessary. Explain the installation to the user. If maintenance is necessary, warn the user of the obligation to check the appliance and keep it in good working order. Give all the instruction manuals to the user.

1 Safety

7665063 - v.05 - 18102018 11

1.4.3

User's liability

To guarantee optimum operation of the system, you must abide by the following instructions:

Read and follow the instructions given in the manuals provided with the appliance. Call on a qualified professional to carry out installation and initial commissioning. Get your installer to explain your installation to you. Have the required inspections and maintenance carried out by a qualified installer. Keep the instruction manuals in good condition close to the appliance.

2 About this manual

12 7665063 - v.05 - 18102018

2 About this manual

2.1 General

This manual describes the installation, use and maintenance of the Gas 220 Ace boiler. This manual is part of all the documentation supplied with the boiler.

2.2

2.3

Additional documentation

The following documentation is available in addition to this manual:

Installation and user manual for control panel Water quality instructions

Symbols used in the manual

This manual uses various danger levels to draw attention to special instructions. We do this to improve user safety, to prevent problems and to guarantee correct operation of the appliance.

Danger Risk of dangerous situations that may result in serious personal injury.

Danger of electric shock Risk of electric shock.

Warning Risk of dangerous situations that may result in minor personal injury.

Caution Risk of material damage.

Important Please note: important information.

See Reference to other manuals or pages in this manual.

3 Technical specifications

7665063 - v.05 - 18102018 13

3.1 Homologations

3.1.1 Certifications

Tab.1 Certifications

CE identification number PIN 0063CQ3781

Class NOx

(1)

Type of flue gas connection

(2)

23P

C13, C33, C53, C63, C

(1) EN 15502–1 (2) When installing a boiler with connection type B

is lowered to

IP20.

3.1.2 Unit categories

3 Technical specifications

, the IP rating of the boiler

23P

Tab.2 Unit categories

Country Category Gas type Connection pressure (mbar)

Great Britain II

2H3B/P

G20 (H gas) G30/G31 (butane/propane)

3.1.3

Factory test

20 30-50

Before leaving the factory, each boiler is optimally set and tested for:

Electrical safety. Adjustment of (O2/CO2).

Water tightness. Gas tightness. Parameter setting.

3.2

Technical data

Tab.3 General

Gas 220 Ace 160 200 250 300

Nominal output (Pn) Central heating operation (80/60°C)

Nominal output (Pn) Central heating operation (50/30°C)

Nominal load (Qnh) Central heating operation (Hi) G20 (H-

min. - max.

(1)

min. - max.

(1)

min. - max.

(1)

kW 31.5 - 152.1

152.1

kW 34.7 - 161.1

161.1

kW 32.0 - 156.0

156.0

39.4 - 194.4

194.4

43.2 - 209.8

209.8

40.0 - 200.0

200.0

49.2 - 243.3

243.3

54.1 - 261.0

261.0

50.0 - 250.0

250.0

59.0 - 290.9

290.9

65.0 - 310.7

310.7

60.0 - 299.0

299.0

gas)

Nominal load (Qnh)

min. - max. kW 40.0 - 156.0 40.0 - 200.0 50.0 - 250.0 70.0 - 299.0

CH operation (Hi) G31 (propane)

Nominal load (Qnh) Central heating operation (Hs) G20 (H-

min. - max.

(1)

kW 35.6 - 173.3

173.3

44.4 - 222.2

222.2

55.6 - 277.8

277.8

66.7 - 332.2

332.2

gas)

Nominal load (Qnh)

min. - max. kW 43.5 - 169.6 43.5 - 217.4 54.3 - 271.7 76.1 - 325.0 Central heating operation (Hs) G31 (pro pane)

Full load central heating efficiency (Hi)

% 97.5 97.2 97.3 97.3 (80/60 °C) (92/42/EEC)

3 Technical specifications

14 7665063 - v.05 - 18102018

Gas 220 Ace 160 200 250 300

Full load central heating efficiency (Hi)

% 103.6 104.9 104.4 103.9 (50°C/30°C) (EN15502)

Part load central heating efficiency (Hi)

% 98.4 98.4 98.4 98.4 (return temperature 60°C)

Part load central heating efficiency

% 108.5 108.0 108.2 108.4 (92/42/EEC) (return temperature 30°C)

(1) Factory setting.

Tab.4 Gas and flue gas data

Gas 220 Ace 160 200 250 300

Gas inlet pressure G20 (H gas) min. - max. mbar 17 - 25 17 - 25 17 - 25 17 - 25

Gas inlet pressure G31 (propane) min. - max. mbar 37 - 50 37 - 50 37 - 50 37 - 50

Gas consumption G20 (H gas) min. - max.

Gas consumption G31 (propane) min. - max.

BREEAM NO

Flue gas quantity

(1)

mg/kWh 36 40 38 35

min. - max. kg/h

m3/h

g/s

3.4 - 16.5 4.2 - 21.2 5.3 - 26.5 6.3 - 31.6

1.4 - 6.3 1.6 - 8.2 2.1 - 10.2 2.8 - 12.2

57 - 277

16 - 77

71 - 355

20 - 99

89 - 444 25 - 123

107 - 531

30 - 148

Flue gas temperature min. - max. °C 32 - 66 29 - 63 30 - 63 31 - 64

Maximum counter pressure Pa 200 150 150 150

(1) min = part load with Tr = 30 °C / max = full load with Tr = 60 °C

Tab.5 Central heating circuit data

Gas 220 Ace 160 200 250 300

Water content l 17.0 33.0 33.0 33.0

Water operating pressure min bar 0.8 0.8 0.8 0.8

Water operating pressure (PMS) max bar 5.0 6.0 6.0 6.0

Water temperature max °C 110.0 110.0 110.0 110.0

Operating temperature max °C 90.0 90.0 90.0 90.0

Hydraulic resistance (ΔT=20K) mbar 190 100 150 200

Tab.6 Electrical data

Gas 220 Ace 160 200 250 300

Supply voltage V~/Hz 230/50 230/50 230/50 230/50

Power consumption max W 275.0 204.0 323.0 343.0

Power consumption – part load min W 47.0 57.0 57.0 48.0

Power consumption – standby min W 5.3 11.0 11.0 9.0

Electrical protection index IP IPX1B IPX1B IPX1B IPX1B

Fuses Main

PCU

A 6.3

1.6

6.3

1.6

6.3

1.6

6.3

1.6

Tab.7 Other data

Gas 220 Ace 160 200 250 300

Total weight (including packaging) kg 235 275 275 275

Boiler weight kg 205 245 245 245

Average acoustic level at a distance of

dB(A) 58.7 59.7 63.8 63.8 one metre from the boiler

Tab.8 Technical parameters

Gas 220 Ace 160 200 250 300

Condensing boiler Yes Yes Yes Yes

Low-temperature boiler

(1)

No No No No

3 Technical specifications

7665063 - v.05 - 18102018 15

Gas 220 Ace 160 200 250 300

B1 boiler No No No No

Cogeneration space heater No No No No

Combination heater No No No No

Rated heat output

Useful heat output at nominal heat out put and high temperature operation

Useful heat output at 30% of rated heat output and low temperature regime

Seasonal space heating energy efficiency

Useful efficiency at rated heat output and high temperature regime

(2)

Useful heat output at 30% of rated heat output and low temperature regime

Prated

(2)

kW 152 194 243 291

kW 152.1 194.4 243.3 290.9

kW 50.8 64.8 81.2 97.2

% - - - -

% 87.8 87.6 87.7 87.7

% 97.8 97.3 97.5 97.7

Auxiliary electricity consumption

Full load

Part load

Standby mode

elmax

elmin

kW 0.275 0.204 0.323 0.343

kW 0.047 0.057 0.057 0.048

kW 0.005 0.011 0.011 0.009

Other items

Standby heat loss

Ignition burner power consumption

Annual energy consumption

stby

ign

kW 0.191 0.267 0.267 0.267

kW - - - -

kWh

- - - -

Sound power level, indoors

Emissions of nitrogen oxides NO

(1) Low temperature means 30 °C for condensing boilers, 37 °C for low temperature boilers and 50 °C (at heater inlet) for other heating

appliances.

(2) High temperature operation means 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet.

dB 67 68 72 72

mg/kWh 35 40 45 50

See Refer to the back cover for contact details.

AD-3000809-01

528

272

738

657

800

458 171

1329

1662

332

383

231

3 Technical specifications

16 7665063 - v.05 - 18102018

3.3 Dimensions and connections

Fig.1 Dimensions

Connecting the flue gas outlet;

Gas 220 Ace 160; Ø 150 mm

Gas 220 Ace 200 - 250 - 300; Ø 200 mm Connecting the air supply;

Gas 220 Ace ; Ø 150 mm

Gas 220 Ace 200 - 250 - 300; Ø 200 mm Gas connection;

Gas 220 Ace ; R 1 inch male thread

Gas 220 Ace 200 - 250 - 300; R 1½ inch male thread Flow connection;

Gas 220 Ace ; R 1¼ inch male thread

AD-0001189-01

X01

X02

X03

X04 / X05

X06

X07

X12

X11

X10

X09

X08

Pump

On/off

0 - 10

PWM

Tout

X10

X4X9

1 32

Pump

1 32 4 5 6 7 8 9 10 11 12

On/off

PWM

0 +

0 - 10

0 +

Tout

BL RL

1 7-

6.3 AT

X019 X039 X036

1 7-

1 15-

CB-01

X018 X035

X020

230VAC

X038

Bus

CU-GH & HMI

X12

1 5-

X122X121

X11

1 - 4

X111

X10

1 - 4

X101

X09

1 - 4

X08

1 13-

X083

X07

1 4-

X071

X06

1 4-

X04 / X05

1 15-

X041 X051 X053 X054 X055 X081

X02

1 9-

X03

1 15-

X021X022

X031

X015

X01

1 7-

X0141

X014

230V, 50Hz

X011

X013X012

X20 X202

X201

EMC

X037

Bus

2323

18 19

151413121110

3 4

3 Technical specifications

7665063 - v.05 - 18102018 17

Gas 220 Ace 200 - 250 - 300;R 2 inch male thread Central heating return connection;

Gas 220 Ace ; R 1¼ inch male thread

Gas 220 Ace 200 - 250 - 300; R 2 inch male thread Second central heating return connection (option);

3.4 Electrical diagram

Fig.2 Electrical diagram

Gas 220 Ace ; R 1¼ inch male thread

Gas 220 Ace 200 - 250 - 300; R 2 inch male thread Siphon connection

1 2 3 4 5 6 7 8

9 10 11 12

Boiler control unit Lighting Ionisation/ignition electrode (E) Ignition transformer (IT) On/Off switch (AU) Power supply (P) Service connector/computer connection (PC) Control panel (HMI) Fan supply (P) Storage parameter (PSU) Flow sensor (FTs) Heat exchanger temperature sensor (HEs)

Return temperature sensor (RTs)

Hydraulic pressure sensor (WPs)

Air pressure differential switch (PS)

Flue gas sensor (FGs)

Fan control (PWM)

Gas leakage control VPS

Gas pressure switch GPS

Gas valve 1

Gas valve 2

Standard PCB

L-Bus connections for additional control PCBs (depending on boiler model)

4 Description of the product

18 7665063 - v.05 - 18102018

4 Description of the product

The Gas 220 Ace boiler is delivered with a combination of the control panel, control unit and extension PCB. The contents of this manual are based on the following software and navigation information:

Tab.9 Software and navigation information

Name visible in display Software version

Boiler Gas 220 Ace FSB-WHB-HE-150-300 01.07

Control panel HMI S-control HMI 02.01

PCB SCB-01 SCB-01 00.02

4.1

Operating principle

4.1.1 Gas/air regulation

The boiler is equipped with a casing that also serves as an air box. The fan draws in the combustion air. The gas is injected into the venturi and mixed with the combustion air. The fan speed is controlled on the basis of the settings, the heat demand and the prevailing temperatures measured by the temperature sensors. The gas/air ratio control ensures an accurate mixture of the required amounts of gas and air. This provides optimum combustion over the entire heat input range. The gas/air mixture goes to the burner, where it is ignited by the ignition electrode.

Important The combustion air supply is checked before each burner start, and at least once every 24 hours. During continuous operation (e.g. supplying process water), please note that the boiler control will reset every 24 hours.

4.1.2 Combustion

The burner heats the central heating water flowing through the heat exchanger. If the temperature of the flue gases is lower than the dew point (approx. 55°C), the water vapour condenses in the heat exchanger. The heat released during this condensation process (referred to as the latent or condensation heat) is also transferred to the central heating water. The cooled flue gases are discharged through the flue gas discharge pipe. The condensed water is discharged through a siphon.

4.1.3 Control system

The e-Smart electronic control system ensures that your heating system is smart and reliable. This means that the boiler responds practically to negative environmental influences (such as limited water flow and air flow problems). In the event of such influences, the boiler will not go into lockout mode, but in the first instance will modulate back. Depending on the nature of the circumstances, a warning, blocking or lock-out may occur. The boiler continues to supply heat provided the situation is not dangerous. With this control system, your boiler is also equipped for remote control and monitoring.

4.1.4 Control

On/off control The heat input varies between the minimum and the maximum values on the basis of the flow temperature set on the boiler. It is possible to connect a 2-wire on/off thermostat or a power stealing thermostat to the boiler. Modulating control The heat input varies between the minimum and the maximum values on the basis of the flow temperature determined by the modulating

AD-0001329-02

100

150

300

0 2 41 3 5 8 9 10 11 12 13 14

6,7

250

190

4 Description of the product

7665063 - v.05 - 18102018 19

controller. The boiler output can be modulated with an appropriate modulating controller. Analogue control (0 - 10 V) The heat input varies between the minimum and the maximum values on the basis of the voltage present at the analogue input.

4.1.5 Regulating the water temperature

The boiler is fitted with an electronic temperature control with a flow and return temperature sensor. The flow temperature can be adjusted between 20°C and 90°C. The boiler modulates back when the set flow temperature is reached. The switch-off temperature is the set flow temperature + 5°C.

4.1.6 Protection against shortage of water

The boiler is fitted with low water level protection based on temperature measurements. By modulating back when the water flow threatens to become insufficient, the boiler remains operational as long as possible. The boiler issues a warning in the event of no or too little water. With an insufficient flow ΔT ≥ 25 K or too great an increase in the heat exchanger temperature sensor, the boiler goes into blocking mode.

4.1.7 Water flow

The modulating control of the boiler limits the maximum difference between the flow temperature and return temperature. In addition, a heat exchanger temperature sensor is mounted to monitor the minimum water flow. This limits the maximum increase in the heat exchanger temperature and monitors the maximum temperature difference between the flow, return and heat exchanger temperatures. As a result, the boiler is not affected by low water flow.

4.1.8 Hydraulic pressure sensor

The hydraulic pressure sensor records the water pressure in the boiler. Change the threshold value for the hydraulic pressure sensor using parameter AP006.

4.1.9 Air pressure differential switch

The air pressure differential switch is a protection against a blocked trap or blocked air supply/flue gas outlet.

Before start-up and when the boiler is in operation, the air pressure differential switch APS measures the difference in pressure between the

measuring points on the condensate collector

p+ and the air box p-. If the pressure difference is greater than 6 mbar, then the boiler will lock out. After eliminating the cause of the breakdown, the boiler can be unlocked.

4.1.10 Circulating pump

Fig.3 Hydraulic resistance Gas 220 Ace

160

ΔP

Boiler resistance (mbar)

Flow rate (m3/h)

AD-0001328-01

100

200

150

300

[m3/h]

2 4 6 141 3 5 7

8,6 10,8 12,5

250

300 kW

250 kW

200 kW

AD-0001160-01

38 37

26 25

31 30

22 21

8 9

4 5

14 15 16

4 Description of the product

20 7665063 - v.05 - 18102018

Fig.4 Hydraulic resistance Gas 220 Ace

200 - 250 - 300

ΔP

Boiler resistance (mbar)

Flow rate (m3/h)

The boiler is supplied without a pump. Take the boiler resistance and system resistance into account when selecting a pump.

Caution Maximum power consumption may be 300 VA. Use an auxiliary relay for a pump with greater power.

4.1.11

Calorifier connection

A calorifier can be connected to the boiler. Our range includes various calorifiers.

Important Contact us for more information.

4.2

Fig.5 Main components

Main components

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

Central heating return pipe Casing/air box Air supply Control panel On/off switch Service connector (PC connection) LED interior light Air pressure differential switch Flow sensor Burner Adapter Heat exchanger Non-return valve Temperature sensor for heat exchanger Ignition transformer Hydraulic pressure sensor Heat exchanger inspection hatch Filling/drain valve Frame Siphon Adjustment bolt Transport wheel Air intake silencer Condensate collector Gas pressure measuring point Venturi Gas valve unit Control unit (CU-GH) Fan Flue gas connection pipe Flue gas sensor Support Gas pressure measuring point Flue gas measuring point Flue gas outlet Gas connection Manual air vent Central heating supply pipe

4.3 Control panel description

AD-3000833-01

1 2 3 4

5 6

7665063 - v.05 - 18102018 21

4 Description of the product

4.3.1 What each key means

Fig.6 Control panel

Escape: Back to the previous level.

Reset: Manual reset.

CH flow temperature Access to set temperature.

Min. key: Lowering the value.

DHW temperature: Access to set temperature.

Plus key: Raising the value.

CH/DHW function: Toggles function ON/OFF

Enter key: Confirms selection or value.

Chimney-sweeping keys

Important Press the 1 and 2 keys simultaneously.

Menu keys

Important Press the 3 and 4 keys simultaneously.

4.3.2 Meaning of the symbols on the display

Tab.10 Possible symbols in the display (depending on available devices or functions)

Chimney sweep mode is enabled (forced full load or part load for

Information menu: read out various current values.

User menu: user-level parameters can be configured.

Installer menu: installer level parameter can be configured.

Manual mode menu: manual mode can be configured.

Error menu: errors can be read out.

Hour counter/timer program/time display menu.

Control PCB menu: (optional) control PCBs can be read out.

The outside temperature sensor is connected.

The room temperature sensor is connected.

The burner output level (1 to 5 bars, with each bar representing 20% output)

The heat pump is switched on.

Day display

Central heating operation is switched off.

O2/CO2 measurement).

DHW operation is switched off.

The solar boiler is on and its heat level is displayed.

System water pressure display.

The holiday program is enabled.

Frost protection operation is enabled.

CH operation is enabled.

DHW operation is enabled.

Displaying the selected PCB.

The three-way valve is switched on.

The circulation pump is turning.

MW-3000377-02

MW-3000299-01

MW-3000300-02

MW-3000301-02

MW-3000302-01

MW-3000303-01

MW-3000304-01

4 Description of the product

22 7665063 - v.05 - 18102018

ECO mode operation is enabled.

Switch the appliance off then on again.

4.3.3 Browsing in the menus

Important

Depending on the devices or control PCBs connected, the control panel shows selection options in some menus. First, select a device, control PCB or zone to view or amend a setting.

Fig.7

Step 1

Fig.8 Step 2

Fig.9 Step 3

1. Press any key to activate the controller from the stand-by screen.

2. Access the available menu options by pressing the two keys on the right simultaneously.

Tab.11 Possible menu choices

Information Menu

User menu

Installer Menu

Manual mode menu

Failure Menu

Hour Run Meters / Timer Program / Clock menu

PCB menu

(1) The icon is displayed only if an optional control PCB has been instal

led.

(1)

3. Press the key to move the cursor to the right.

Fig.10 Step 4

Fig.11 Step 5

Fig.12 Step 6

Fig.13 Step 7

4. Press the key to move the cursor to the left.

5. Press the key to confirm selection of the required menu or parameter.

6. Press the or key to modify the value.

7. Press the key to confirm the value.

MW-3000305-01

4 Description of the product

7665063 - v.05 - 18102018 23

Fig.14 Step 8

4.4 Standard delivery

8. Press the h key to go back to the main display.

Important The screen will return to stand-by if no key is pressed for three minutes.

The delivery includes 2 packages:

One package with:

The boiler, supplied with earthed mains plug Documentation Water quality instructions

One package with:

Siphon with condensate drain hose Sticker: This central heating unit is set for... The connection box The control panel with a corresponding manual

Important This manual only deals with the standard scope of supply. For the installation or mounting of any accessories delivered with the boiler, refer to the corresponding mounting instructions.

4.5 Accessories and options

Various accessories can be obtained for the boiler.

Important Contact us for more information.

AD-0001162-01

AD-0001163-01

800 100100

657 50

1100

1662 A

5 Before installation

24 7665063 - v.05 - 18102018

5 Before installation

5.1 Installation regulations

Warning The installer must be registered with Gas Safe and have the correct ACS qualifications.

Important Practical guidelines - see the latest version.

5.2

Fig.15

Fig.16 Clearance required

Choice of the location

Position of data plate

5.2.1 Data plate

The data plate on the boiler features the boiler serial number and important boiler specifications, for example the model and unit category. The factory setting codes CN 1 and CN 2 are also stated on the data plate.

5.2.2 Location of the boiler

500 mm (if the air supply filter is used, there must be a clearance of at least 650 mm)

The standard inspection and maintenance operations to the boiler are carried out from the front. This is also where the inspection ports of the heat exchanger are located. The hydraulic connections and the flue gas outlet are located at the front of the boiler. The control panel housing is also on the front of the boiler.

Use the guidelines and the required installation space as a basis for determining the correct place to install the boiler. When determining the correct installation space, take account of the permitted position of the flue gas discharge and/or air supply outlet. Ensure that there is sufficient space around the boiler for good access and ease of maintenance.

AD-0001164-01

1200

1835

800

5 Before installation

7665063 - v.05 - 18102018 25

Danger It is forbidden to store, even temporarily, combustible products and substances in or near the boiler.

Caution

The boiler must be installed in a frost-free area. The boiler must have an earthed electrical connection. A connection to the drain must be present for the condensate drain close to the boiler. A technical clearance of at least 1100 mm is required at the front (service side) of the boiler. We recommend a clearance of at least 500 mm above the boiler.

Caution If the power supply cable is permanently connected, you must always install a main bipolar switch with an opening gap of at least 3 mm (BS EN 60335-1).

5.3

Fig.17

Transport

Boiler package

The boiler is supplied fully assembled and packaged on a pallet. Without the packaging, the boiler will fit through all standard doorways.

The boiler is equipped with integrated transport wheels, meaning it can easily be moved.

AD-0001165-01

5 Before installation

26 7665063 - v.05 - 18102018

5.4 Unpacking & initial preparation

Caution The transport wheels under the boiler are designed for transport purposes only and not for use when the boiler is in its final position.

Fig.18 Unpacking the boiler

1. Cut the packaging straps and remove.

2. Remove the packaging.

3. Unscrew the boiler anchorage on the pallet.

4. Remove the boiler anchorage.

5. Unscrew the loading ramps on the pallet.

6. Fit the loading ramps in front of the pallet.

7. Move the boiler off the pallet.

8. Remove the pallet and the rest of the packaging.

The boiler can now be moved using the transport wheels.

6 Installation

AD-0001166-02

63 63

485

674

7665063 - v.05 - 18102018 27

6.1 General

6 Installation

Warning The boiler must be installed by a qualified installer in accordance with local and national regulations.

6.2

Fig.19 Position of the adjustment bolts

Preparation

6.2.1 Positioning the boiler

1. Place the boiler in the right position using the transport wheels.

2. Loosen the adjustment bolts and ensure that the boiler is completely level.

The figure also shows the support surface of the boiler (this is the position of the adjustment bolts).

6.3

Hydraulic connections

6.3.1 Rinsing the system

The installation must be cleaned and flushed in accordance with BS 7593 (2006) and BSRIA BG 33/2014.

Before a new boiler can be connected to an existing or new system, the entire system must be thoroughly cleaned and flushed. This step is absolutely crucial. The flushing helps to remove residue from the installation process (weld slag, fixing products etc.) and accumulations of dirt (silt, mud etc.)

AD-0001167-01

6 Installation

28 7665063 - v.05 - 18102018

Important

Flush the system with a volume of water equivalent to at least three times the volume of the system. Flush the DHW pipes with at least 20 times the volume of the pipes.

Important Due to the presence of an aluminium heat exchanger, suitable chemicals and the correct use of these chemicals should be discussed with specialist water treatment companies.

6.3.2 Connecting the heating circuit

Fig.20 Supply and return connections

1. Remove the dust cap on the central heating flow connection .

2. Remove the dust cap on the central heating return connection .

3. Fit the outlet pipe for CH water to the CH flow .

4. Fit the inlet pipe for CH water to the CH return .

5. In the supply directly above the boiler, establish a connection for a overpressure valve of sufficient capacity.

6. Connect the pump to the boiler's return connection.

Always connect the boiler in a way that will guarantee the water flow through the unit during operation. When the boiler is used in a system with two return pipes, the return pipe must be used as a cold return. The second return pipe is then used as a hot return. Contact us for more information.

Caution

AD-0001168-02

AD-0001174-01

7665063 - v.05 - 18102018 29

If using plastic pipes, follow the manufacturer's (connection) instructions.

6.3.3 Connecting the condensate drain pipe

6 Installation

Fig.21 Connect the condensate drain pipe

The siphon is supplied separately with the boiler as standard (including a flexible plastic siphon hose). .

1. Remove the dust cap from the siphon connection at the bottom of the boiler

2. Pull the retainer clip of the siphon backwards.

3. Push the siphon firmly in the holder.

4. Push the retainer clip of the siphon forwards.

5. Check whether the siphon is firmly fitted in the boiler.

6. Attach the flexible siphon hose supplied to the output of the siphon and insert the other end into the plastic drain pipe on the left underneath the boiler.

7. Fit a plastic drain pipe of Ø 40 mm or larger to this, terminating in the drain.

Important The air opening on the siphon prevents siphoning when the drain pipe is securely connected to the drain.

Danger The siphon must always be filled with water. This prevents flue gases from entering the room.

Caution

The drain pipe must slope down at least 30 mm per metre. Condensed water must not be discharged into a gutter.

6.4 Gas connection

Fig.22 Gas connection

Warning

Before starting work on the gas pipes, turn off the main gas tap. Before installing, check that the gas meter has sufficient capacity. Take into account the consumption of all appliances. Notify the local energy company if the gas meter has insufficient capacity.

1. Remove the dust cap on the gas connection .

2. Fit the gas supply pipe.

Caution

Always perform welding work at a sufficient distance from the boiler. Remove dirt and dust from the gas pipe.

Important We recommend installing a gas filter to prevent clogging of the gas valve unit.

3. Also fit a gas isolation valve in this pipe, near the boiler.

AD-3001055-01

AD-3001056-01

AD-3001057-01

6 Installation

30 7665063 - v.05 - 18102018

6.5 Air supply/flue gas outlet connections

6.5.1 Classification

Important

The installer is responsible ensuring that the right type of flue gas outlet system is used and that the diameter and length are correct. Always use connection materials, roof terminal and/or outside wall terminal supplied by the same manufacturer. Consult the manufacturer for compatibility details.

Tab.12 Type of flue gas connection: B

23P

Principle Description

Room-ventilated version

Without down-draught diverter. Flue gas discharge via the roof. Air from the installation area. The IP rating of the boiler is lowered to IP20.

(1) The material must also satisfy the material property requirements from the relevant chapter.

Tab.13 Type of flue gas connection: C

Principle Description

Room-sealed version

Discharge in the outside wall. Air supply opening is in the same pressure zone as the dis charge (e.g. a combined outside wall terminal). Parallel not permitted.

Permitted manufacturers

(1)

Connection material and roof terminal:

Muelink & Grol

Permitted manufacturers

(1)

Outside wall terminal and con nection material:

Remeha, combined with con nection material from Muelink & Grol Muelink & Grol

(1) The material must also satisfy the material property requirements from the relevant chapter.

Tab.14 Type of flue gas connection: C

Principle Description

Room-sealed version

Flue gas discharge via the roof. Air supply opening is in the same pressure zone as the dis charge (e.g. a concentric roof terminal).

(1) The material must also satisfy the material property requirements from the relevant chapter.

Permitted manufacturers

(1)

Roof terminal and connection material

Remeha, combined with con nection material from Muelink & Grol Muelink & Grol

AD-3001058-02

AD-3001059-01

6 Installation

7665063 - v.05 - 18102018 31

Tab.15 Type of flue gas connection: C

Principle Description

Connection in different pressure zones

Closed unit. Separate air supply duct. Separate flue gas discharge duct. Discharging into various pressure areas. The air supply and the flue gas outlet must not be placed on opposite walls.

(1) The material must also satisfy the material property requirements from the relevant chapter.

Tab.16 Type of flue gas connection: C

Principle Description

This type of unit is supplied by the manufacturer without an air

supply system and flue gas system.

(1) The material must also satisfy the material property requirements from the relevant chapter.

Permitted manufacturers

(1)

Connection material and roof terminal:

Muelink & Grol

Permitted manufacturers

(1)

When selecting the material, please note the following:

Condensed water must flow back to the boiler. The material must be resist ant to the flue gas tempera ture of this boiler. Maximum permissible recir culation of 10%. The air supply and the flue gas outlet must not be placed on opposite walls. Minimum permitted pressure difference between the air supply and the flue gas outlet is -200 Pa (including -100 Pa wind pressure).

Tab.17 Type of flue gas connection: C

Principle

(1)

Description

Room-sealed version

Air supply and flue gas discharge duct in shaft or ducted:

Concentric.

Permitted manufacturers

Connection material and roof terminal:

Muelink & Grol Air supply from existing duct. Flue gas discharge via the roof. Inlet opening for the air supply is in the same pressure zone as the discharge.

(1) See table for shaft or duct requirements. (2) The material must also satisfy the material property requirements from the relevant chapter.

Tab.18 Minimum dimensions of shaft or duct C

Version (D) Without air supply With air supply

Rigid 150 mm Ø 200 mm □ 200 x 200 mm Ø 220 mm □ 220 x 220 mm

Rigid 200 mm Ø 250 mm □ 250 x 250 mm Ø 280 mm □ 280 x 280 mm

Concentric 150/200 mm Ø 270 mm □ 270 x 270 mm - -

(2)

AD-3000330-03

□

AD-3001120-01

EN 14471 - T120 P1 W 1 O50 LI E U0

EN 1856-1 - T120 P1 W VxL40045 G(xx)

6 Installation

32 7665063 - v.05 - 18102018

Fig.23 Minimum dimensions of shaft or

duct C

Fig.24 Sample string

Important The shaft must comply with the air density requirements of the local regulations.

Important

Always clean shafts thoroughly when using lining pipes and/or an air supply connection. It must be possible to inspect the lining duct.

6.5.2 Material

Use the string on the flue gas outlet material to check whether it is suitable for use on this appliance.

EN 14471 of EN 1856–1: The material is CE approved according to this standard. For plastic this is EN 14471, For aluminium and stainless steel this is EN 1856-1.

T120: The material has temperature class T120. A higher number is also allowed, but not lower.

P1: The material falls into pressure class P1. H1 is also allowed.

W: The material is suitable for draining condensation water (W=’wet’). D is not allowed (D=’dry’).

E: The material falls into fire resistance class E. Class A to D are also allowed, F is not allowed. Only applicable to plastic.

Warning

The coupling and connection methods may vary depending on the manufacturer. It is not permitted to combine pipes, coupling and connection methods from different manufacturers. This also applies to roof feed-throughs and common channels. The materials used must comply with the prevailing regulations and standards. Please contact us to discuss using flexible flue gas outlet material.

Tab.19 Overview of material properties

Version Flue gas outlet Air supply

Material Material properties Material Material properties

Single-wall, rigid

(1)

Plastic Stainless steel Thick-walled, aluminium

(2)

With CE marking

(2)

Temperature class T120 or higher Condensate class W (wet)

Plastic Stainless steel Aluminium

Pressure class P1 or H1 Fire resistance class E or bet

(3)

ter

(1) according to EN 14471 (2) according to EN 1856 (3) according to EN 13501-1

With CE marking Pressure class P1 or H1 Fire resistance class E or bet

(3)

ter

6.5.3 Dimensions of flue gas outlet pipe

AD-3001094-01

ød

AD-3000963-01

ød

øD

AD-0001169-01

7665063 - v.05 - 18102018 33

Warning The pipes connected to the flue gas adapter must satisfy the following dimension requirements.

6 Installation

Fig.25

Dimensions of open connection

Fig.26 Dimensions of parallel connection

External dimensions of flue gas outlet pipe

Tab.20 Dimensions of pipe

d1 (min-max)

150 mm 149 - 151 mm

200 mm 199 - 201 mm

External dimensions of flue gas outlet pipe

External dimensions of air supply pipe

Tab.21 Dimensions of pipe

d1 (min-max) D1 (min-max)

150/150 mm 149 - 151 mm 149 - 151 mm

6.5.4 Length of the air and flue gas pipes

Fig.27 Room-ventilated version

The maximum length of the flue gas outlet and air supply channel vary depending on the appliance type; consult the relevant chapter for the correct lengths.

Important

When using bends, the maximum chimney length (L) must be shortened according to the reduction table. For adaptation to another diameter use approved transitions The boiler is also suitable for longer chimney lengths and diameters other than those specified in the tables. Contact us for more information.

Room-ventilated model (B

Length of the flue gas outlet channel to roof feed-through

23P

)

Flue gas outlet Air supply

With a room-ventilated version, the air supply opening stays open; only the flue gas outlet opening is connected. This will ensure that the boiler obtains the necessary combustion air directly from the installation area. Use adapters when using air supply and flue gas discharge pipes with diameters other than the standard 150 or 200 mm.

AD-0001170-01

L =L

= +

6 Installation

34 7665063 - v.05 - 18102018

Caution

The air supply opening must stay open. The installation area must be equipped with the necessary air supply openings. These openings must not be obstructed or shut off. If the boiler, in room-ventilated operation, has been set up in a (very) dusty room, use the air supply filter (accessory). Use of the air inlet filter is compulsory when the boiler is exposed to building dust.

Tab.22 Maximum chimney length (L)

Diameter 130 mm 150 mm 200 mm 250 mm

Gas 220 Ace 160 37 m

50 m

(1)

Gas 220 Ace 200 16 m 35 m

Gas 220 Ace 250 10 m 21 m

Gas 220 Ace 300 7 m 15 m

(1) With retention of the maximum flue length it is possible to apply an extra 5

times 90º or 10 times 45º elbows.

50 m

(1)

50 m

(1)

50 m

(1)

50 m

(1)

50 m

Room-sealed model (C13, C33, C63, C93)

(1)

Fig.28 Room-sealed version

Combined length of the flue gas outlet and air supply channel to the roof feed-through Flue gas outlet

Air supply

With a room-sealed version, both the flue gas outlet and the air supply openings are connected (in parallel). Use adapters when using air supply and flue gas discharge pipes with diameters other than the standard 150 or 200 mm.

Tab.23 Maximum chimney length (L)

Diameter 130 mm 150 mm 200 mm 250 mm

Gas 220 Ace 160 18 m 62 m

Gas 220 Ace 200 - 10 m

100 m

(1)

Gas 220 Ace 250 - - 74 m

Gas 220 Ace 300 - - 40 m

(1) With retention of the maximum flue length it is possible to apply an extra 5

times 90º or 10 times 45º elbows.

100 m

(1)

Connection in different pressure areas (C53)

AD-0001171-01

7665063 - v.05 - 18102018 35

6 Installation

Fig.29

Different pressure zones

Total length of the flue gas outlet and air supply duct Connecting the flue gas outlet

Connecting the air supply

Combustion air supply and flue gas discharge are possible in different pressure areas and semi-CLV systems, with the exception of the coastal area. The maximum permitted height difference between the combustion air supply and the flue gas outlet is 36 m.

Tab.24 Maximum chimney length (L)

Diameter 130 mm 150 mm 200 mm 250 mm

Gas 220 Ace 160 27 m 64 m

Gas 220 Ace 200 7 m 21 m

Gas 220 Ace 250 - 11 m 74 m

Gas 220 Ace 300 - 5 m 48 m

(1) With retention of the maximum flue length it is possible to apply an extra 5

times 90º or 10 times 45º elbows.

100 m

(1)

100 m

(1)

100 m

Reduction table

Tab.25 Pipe reduction for each element used (parallel)

Diameter 80 mm 90 mm 100 mm 110 mm 130 mm 150 mm 250 mm 300 mm

45° bend 1.2 m 1.3 m 1.4 m 1.5 m 1.0 m 1.2 m 2.0 2.4

90° bend 4.0 m 4.5 m 4.9 m 5.4 m 1.8 m 2.1 m 3.5 4.2

(1)

Tab.26 Pipe reduction for each element used (concentric)

Diameter 80/125 mm 100/150 mm 130/200 mm 150/220 mm

45° bend 1.0 m 1.0 m 1.5 m 1.5 m

90° bend 2.0 m 2.0 m 3.0 m 3.0 m

6.5.5 Additional guidelines

Installation

For installing the flue gas outlet and air supply materials, refer to the instructions of the manufacturer of the relevant material. After installation, check at least all flue gas outlet and air supply parts for tightness.

Warning If the flue gas outlet and air supply materials are not installed in accordance with the instructions (e.g. not leak-proof, not correctly bracketed), this can result in dangerous situations and/or physical injury.

Make sure that the flue gas outlet pipe towards the boiler has a sufficient gradient (at least 50 mm per metre) and that there is a sufficient condensate collector and discharge (at least 1 m before the outlet of the boiler). The bends used must be larger than 90° to guarantee the gradient and a good seal on the lip rings.

Condensation

Direct connection of the flue gas outlet to structural ducts is not permitted because of condensation. If condensate from a plastic or stainless steel pipe section can flow back to an aluminium part in the flue gas outlet, this condensate must be discharged via a collector before it reaches the aluminium.

AD-0001172-01

Ø150 mm

AD-0001173-01

Ø150 mm

6 Installation

36 7665063 - v.05 - 18102018

Important Contact us for more information.

Fig.30 Connecting the flue gas outlet

Fig.31 Connecting the air supply

6.5.6

Connecting the flue gas outlet

S Insertion depth 30 mm

1. Fit the flue gas outlet pipe to the boiler.

2. Fit the successive flue gas outlet pipes seamlessly together.

Caution

The pipes must be flue gas-tight and corrosion-resistant. The flue gas outlet pipe must be smooth and deburred. Connect the pipes so that they are stress-free. The pipes must not rest on the boiler. Fit the horizontal parts sloping down towards the boiler, with a slope of 50 mm per metre.

6.5.7 Connecting the air supply

S Insertion depth 30 mm

1. Fit the air supply pipe to the boiler.

2. Fit the successive air supply pipes seamlessly together.

Caution

The pipes must be airtight and corrosion-resistant. The air supply pipe must be smooth and deburred. Connect the pipes so that they are stress-free. The pipes must not rest on the boiler. Fit the horizontal parts sloping down towards the air supply outlet.

6.5.8 Specific air and flue gas applications

AD-0000915-01

X07

X08

X10

X09

X11

X12

X06

X05

X04 X03

X02

X01

7665063 - v.05 - 18102018 37

Important If the boiler is used in a flue gas overpressure cascade, this must be stated on the sticker supplied: This central heating unit is set for... This sticker must be affixed next to the data plate of the boiler. Contact us for more information.

6 Installation

6.6

Fig.32

Electrical connections

Connectors from the control unit CU-GH (front view)

6.6.1 Recommendations

Warning

Electrical connections must always be made with the power supply disconnected and only by qualified installers. The boiler is completely pre-wired. Never change the internal connections of the control panel. Always connect the boiler to a well-earthed installation.

Establish the electrical connections in accordance with:

The instructions of the current standards. The instructions of the wiring diagrams supplied with the boiler. The recommendations in this manual. Separate the sensor cables from the 230 V cables

6.6.2 Control unit

The table gives important connection values for the control unit.

Tab.27 Connection values for control unit

Supply voltage 230 VAC/50 Hz

Main fuse value F1 (230 VAC) 6.3 AT

Fuse value F2 (230 VAC) 1.6 AT

Fan 230 VAC

Danger of electric shock The following components of the boiler are connected to a 230 V power supply:

Electrical connection to circulating pump. Electrical connection to gas combination block. Electrical connection to fan. Control unit. Ignition transformer. Power supply cable connection. Various connections in the connection box.

The mains lead of the boiler has an earthed plug (lead length 1.5 m) and is suited for a 230 VAC/50 Hz with a phase/neutral/earth system.

The boiler is not phase sensitive. The boiler is completely pre-wired

AD-0001175-01

AD-0001300-01

X021

6 Installation

38 7665063 - v.05 - 18102018

Caution

Always order a replacement mains lead from Remeha. The power supply cable should only be replaced by Remeha , or by an installer certified by Remeha . The plug of the boiler must always be accessible.

The control panel must still be fitted in the control panel housing. The connection box with the terminals of the connector for external connections is located behind the control panel. The optional PCBs are also placed in the connection box. The wiring for the external connections is fed through a cable duct to the back of the boiler.

6.6.3 Assembly of the control panel

Fig.33

Control panel housing

Fig.34 PCB

The Gas 220 Ace boiler is supplied with a separate control panel. The control panel is fitted in the control panel housing. The cable behind the control panel with connector X021 must be slid onto the connector pin (5 pins, 24V) of the PCB.

Battery

There is also a back-up battery on the PCB for the internal clock. Check the battery voltage if the date and time are not displayed clearly.

6.6.4 Installation of the connection box

AD-0001176-01

90º

7.1

7.2

7.6

7.3

7.4

7.5

90º

X035

X018

7665063 - v.05 - 18102018 39

6 Installation

Fig.35 Installing and connecting the

connection box

The connection box contains the standard PCB CB-01 and the optional PCB(s) for the external connections. The connection box is included with the delivery of the boiler as standard. Use the connection cables supplied to connect the connection box to the control unit. Proceed as follows:

1. Unscrew the retaining screw on the front of the housing.

2. Open the front flap of the housing.

3. Connect the connection cable X035 to the connector from the boiler.

4. Connect the connection cable X018 to the connector from the boiler.

5. Place the connection box for the mounting clips in the housing.

6. Carefully push the connection box downwards over the mounting clips and tighten the two screws.

7. Now connect the desired external controllers to the other connectors. Proceed as follows:

7.1. Unscrew the retaining screw on the cable duct cover.

7.2. Remove the cable duct cover.

7.3. Route the cable of the external controllers or the sensor through the cable duct.

7.4. Lay the cable under the strain relief clip.

7.5. Turn the strain relief clip firmly into place.

7.6. Replace the cable duct cover and tighten the retaining screw.

8. Close the front flap of the housing.

9. Retighten the retaining screw on the front of the housing.

AD-3000672-02

Pump

N L

+0 +0

0-10PWM

Tout OT BL RL

On/off

AD-3001306-01

N L

AD-3001307-01

PWM

AD-3001308-01

On/off

6 Installation

40 7665063 - v.05 - 18102018

6.6.5 Connection options for the standard PCB

Standard PCB

Fig.36

Standard PCB

Fig.37 System pump

The standard PCB can be found in the connection box. Various thermostats and regulators can be connected to the standard PCB.

Depending on the boiler version chosen, the standard control PCB can be equipped with additional control PCBs.

Connecting the system pump

1. Connect a system pump to the Pump terminals of the connector.

Important The maximum power consumption is 300 VA.

The function of the system pump can be changed using parameters PP015, PP016 and PP018.

Fig.38 PWM system pump

Fig.39 On/off thermostat

Connecting a PWM system pump

A PWM system pump can be connected to the boiler and can be controlled in a modulating way from the boiler

1. Connect the PWM pump to the PWM terminals of the connector.

Important Contact us for more information.

Connecting the on/off thermostat

Tk On/off thermostat

The boiler is suitable for connection to a 2-wire on/off thermostat. The boiler is also suitable for a power stealing thermostat.

1. In the case of a room thermostat: install the thermostat in a reference room.

2. Connect the two-wire cable of the thermostat to the On/Off OT terminals of the connector.

Connecting an outdoor sensor

An outdoor sensor can be connected to the Tout terminals of the connector. In the case of an on/off thermostat, the boiler will control the temperature with the set point from the internal heating curve.

AD-3000973-02

Tout

AD-3001309-01

On/off

Tk Tv

AD-3000973-02

Tout

AD-3001310-01

On/off

AD-3001304-01

0-10

6 Installation

7665063 - v.05 - 18102018 41

Fig.40

Outdoor sensor

Fig.41 Frost thermostat

1. Connect the two-wire cable to the Tout terminals of the connector.

Important OpenTherm regulators can also use this outdoor sensor. In such cases, the desired heating curve must be set on the regulator.

Frost protection combined with on/off thermostat

Tk On/off thermostat Tv Frost thermostat

When an on/off thermostat is used, the pipes and radiators in a frostsensitive room can be protected by a frost thermostat. The radiator valve in the frost-sensitive room must be open.

1. Place a frost thermostat (Tv) in a frost-sensitive room (e.g. a garage).

2. Connect the frost thermostat (Tv) parallel to the on/off thermostat (Tk) on the On/Off OT terminals of the connector.

Important When an OpenTherm thermostat is used, it is not possible to connect a frost thermostat parallel to the On/Off OT terminals. In that case, implement frost protection of the central heating system in combination with an outside sensor.

Fig.42 Outdoor sensor

Fig.43 Modulating thermostat

Fig.44 Analogue input

Frost protection combined with outdoor sensor

The central heating system can also be protected against frost in combination with an outdoor sensor. The radiator valve in the frostsensitive room must be open.

1. Connect the outdoor sensor to the terminals Tout of the connector.

The frost protection works as follows with an outdoor sensor:

At outside temperatures below -10 °C: the circulation pump switches on. At outside temperatures above -10 °C: the circulation pump continues to run and then switches off.

Connecting the modulating regulator

OT OpenTherm thermostat

The boiler is fitted with an OpenTherm connection as standard. As a result, modulating OpenTherm thermostats (room-temperature, weathercompensated and cascade thermostats) can be connected without further modifications. The boiler is also suitable for OpenTherm Smart Power.

1. In the case of a room thermostat: install the thermostat in a reference room.

2. Connect the two-wire cable to the On/Off OT terminals of the connector. It does not matter which wire is connected to which cable clamp.

Analogue input

This input has two modes: control based on temperature or based on heat output. If this input is used, the OT communication from the boiler is ignored.

1. Connect the input signal to terminals 0–10 of the connector.

Change the mode of the analogue input using the parameter EP014.

AD-0001156-02

1 2 3 4 5

7 8

0 - 10 V

100

AD-3000972-02

AD-3001303-01

6 Installation

42 7665063 - v.05 - 18102018

Analogue temperature regulation (°C)

Fig.45

Temperature regulation

1 Boiler on 2 Parameter CP010 3 Maximum flow temperature 4 Calculated value

The 0–10 V signal controls the boiler supply temperature. This control modulates on the basis of flow temperature. The output varies between the minimum and maximum value on the basis of the flow temperature set point calculated by the controller.

Tab.28 Temperature regulation

Input signal (V) Temperature °C Description

0–1.5 0–15 Boiler off

1.5–1.8 15–18 Hysteresis

1.8–10 18–100 Desired temperature

Analogue output-based control

The 0 - 10 V signal controls the boiler output. This control modulates on the basis of the heat output. The minimum output is linked to the boiler's modulation depth. The output varies between the minimum and maximum value on the basis of the value defined by the controller.

Tab.29 Control based on heat output

Input signal (V) Heat output (%) Description

0–2.0 0 Boiler off

2.0–2.2 0 Heat demand

2.0–10 0–100 Desired heat output

Fig.46 Blocking input

Fig.47 Release input

Blocking input

The boiler has a blocking input. This input is installed on the BL terminals of the connector.

Change the function of the input using parameter AP001.

Warning Only suitable for potential-free contacts.

Important First remove the bridge if this input is used.

Release input

The boiler has a release input. This input relates to the RL terminals of the connector.

Change the function of the input using parameter AP008.

Fig.48 Connecting an interface connector

AD-0001177-01

7665063 - v.05 - 18102018 43

6 Installation

Warning Only suitable for potential-free contacts.

Connecting a PC/laptop

There is a Service connector next to the control panel. A Recom interface can be used to connect a PC, laptop or a Smart Service Tool here. Using the Recom PC/laptop service software, you can enter, change and read out various boiler settings.

Connecting an interface connector:

1. Move the Service connector slide upwards.

2. Push the interface connector into place. It should snap shut with a click.

Disconnect the interface connector again:

3. Maintain slight tension on the interface connector

4. Push the slide downwards. The interface connector will now be released.

5. Pull the interface connector from the connector.

6.7

Filling the installation

6.7.1

In many cases, the boiler and central heating system can be filled with normal tap water and water treatment will not be necessary.

6.7.2

The siphon is supplied separately with the boiler as standard (including a flexible plastic drain hose). Fit the siphon under the boiler.

Water treatment

Warning Do not add chemical agents to the central heating water without consulting Remeha. For example: antifreeze, water softeners, pHincreasing or lowering agents, chemical additives and/or inhibitors. Such agents can cause errors in the boiler and damage to the heat exchanger.

Filling the siphon

AD-4100153-01

6 Installation

44 7665063 - v.05 - 18102018

Fig.49 Fill the siphon

1. Fill the siphon with water up to the mark.

2. Push the siphon firmly into the designated opening behind the cover underneath the boiler and connect the siphon hose.

3. Push the retainer clip of the siphon forwards.

4. Check whether the siphon is firmly fitted in the boiler.

Danger The siphon must always be sufficiently filled with water. This prevents flue gases from entering the room.

6.7.3 Filling the system

Important In order to be able to read off the water pressure from the control panel, the boiler must be switched on. If the water pressure is too low, the boiler or the boiler pump will not start.

1. Fill the central heating system with clean tap water.

Important The recommended water pressure is between 1.5 and 2 bar.

2. Check the water-side connections for tightness.

7 Commissioning

AD-0001178-01

7665063 - v.05 - 18102018 45

7.1 Checklist before commissioning

7 Commissioning

7.1.1 Preparing the boiler for commissioning

Procedure to prepare the boiler for commissioning

1. Check the gas circuit.

2. Check the hydraulic circuit.

3. Check the water pressure in the central heating installation.

4. Check the electrical connections of the thermostat and the other external connections.

5. Check the other connections.

6. Test the boiler at full load. Check the setting of the gas/air ratio.

7. Test the boiler at part load. Check the setting of the gas/air ratio.

8. Final activities.

Important Complete the checklist.

Fig.50 Gas measuring point

7.1.2

1. Open the main gas tap.

2. Open the boiler gas tap.

3. Check the gas inlet pressure at the measuring point on the gas pipe.

4. Vent the gas supply pipe by unscrewing the measuring point.

5. Tighten the measuring point again when the pipe has been fully

6. Check all connections for gas tightness. The maximum allowable test

7.1.3

1. Check the siphon; it should be fully filled with clean water.

2. Check the water-side connections for tightness.

Gas circuit

Warning Ensure that the boiler is disconnected from the power supply.

vented.

pressure is 60 mbar.

For more information, see Unit categories, page 13

Hydraulic circuit

7.1.4 Electrical connections

1. Check the electrical connections.

7.2

Commissioning procedure

Warning Initial commissioning must be done by a qualified professional.

1. Open the main gas tap.

2. Open the boiler gas tap.

3. Switch the power on with the boiler's on/off switch.

The start-up program will start and cannot be interrupted. During the start-up cycle, all segments of the display are shown briefly.

AD-4100151-01

AD-4100149-01

AD-4100150-01

AD-4100148-01

7 Commissioning

46 7665063 - v.05 - 18102018

Fig.51

Fig.52

Fig.53

Fig.54

7.3 Gas settings

4. At the end of the start-up program, the display will show: : (FR flashes in the picture)

5. With the key select the desired language.

6. Press the key to confirm the selection.

will be displayed.

7. To confirm, press the key.

8. The selected language is now set-up and the main display will appear.

9. Set the components (thermostats, control) so that heat is demanded.

Error during start-up procedure:

In the event of a fault, a message with the corresponding code is displayed.

The meaning of the error codes can be found in the error table.

7.3.1 Adjusting to a different gas type

Warning Only a qualified engineer may carry out the following operations.

The factory setting of the boiler is for operation with the natural gas group G20 (H gas).

Tab.30 Factory settings G20 (H gas)

Code Description Adjustment range 160 200 250 300

DP003 Maximum fan speed on Domestic Hot

Water

GP007 Maximum fan speed during Central Heating

mode

GP008 Minimum fan speed during Central Heating

+ Domestic Hot Water mode

GP009 Fan speed at appliance start 900 Rpm - 5000 Rpm 2200 2200 2200 2200

Before operating with a different type of gas, carry out the following steps:

1000 Rpm - 7000 Rpm 6700 4650 5700 5800

1000 Rpm - 8500 Rpm 6700 4650 5700 5800

900 Rpm - 8500 Rpm 1900 1450 1550 1650

1. Fit the gas diaphragm in the gas valve unit if the boiler is modified for G30/G31 (butane/propane):

Tab.31 Gas diaphragm for G30/G31 (butane/propane)

Gas diaphragm for G30/G31 (butane/propane) Ø (mm)

Gas 220 Ace 160 9.0

Gas 220 Ace 200 12.0

Gas 220 Ace 250 12.0

Gas 220 Ace 300 14.0

AD-0001179-01

MW-3000325-01

MW-3000326-01

7 Commissioning

7665063 - v.05 - 18102018 47

2. Adjust the fan speed (if necessary) for the gas type used according to the table below. The setting can be changed with a parameter setting.

Tab.32 Adjustment for gas type G30/G31 (butane/propane)

Code Description Adjustment range 160 200 250 300

DP003 Maximum fan speed on Domestic Hot

1000 Rpm - 7000 Rpm 6400 4400 5400 5550

Water

GP007 Maximum fan speed during Central Heating

1000 Rpm - 8500 Rpm 6400 4400 5400 5550

mode

GP008 Minimum fan speed during Central Heating

900 Rpm - 8500 Rpm 2150 1400 1550 1700

+ Domestic Hot Water mode

GP009 Fan speed at appliance start 900 Rpm - 5000 Rpm 3000 2200 2200 2200

3. Check the setting of the gas/air ratio.

See Checking/setting combustion, page 47

Fig.55 Flue gas measuring point

Fig.56 Step 1

7.3.2

Checking/setting combustion

1. Unscrew the cap from the flue gas measuring point.

2. Insert the probe for the flue gas analyser into the measurement opening.

Important

During measurement, seal the opening around the sensor fully. The flue gas analyser must have a minimum accuracy of ±0.25% O2/CO2.

3. Measure the percentage of O2/CO2 in the flue gases. Take measurements at full load and at part load.

Enable full load

1. Press the two keys on the left simultaneously to select chimney sweep mode.

The device is now running at part load. Wait until L:XX° appears on the display.

Fig.57 Step 2

2. Press the key twice.

The device is now running at full load. Wait until H:XX° appears on the display.

Checking/setting values for O2/CO2 at full load

1. Measure the percentage of O2/CO2 in the flue gases.

2. Compare the measured value with the checking values in the table.

Tab.33 Checking/setting values for O2/CO2 at full load for G20 (H

gas)

Values at full load for G20 (H gas)

Gas 220 Ace 160 4.8 - 5.2

Gas 220 Ace 200 4.8 - 5.2

O2 %

(1)

CO2 %

(1)

8.8

(1)

8.8

- 9.0

AD-0001327-02

MW-3000325-01

7 Commissioning

48 7665063 - v.05 - 18102018

Fig.58

Position of adjusting screw A

Values at full load for G20 (H gas)

Gas 220 Ace 250 4.8 - 5.2

Gas 220 Ace 300 4.8 - 5.2

(1) nominal value

O2 %

(1)

CO2 %

(1)

8.8

(1)

- 9.0

Tab.34 Checking/setting values for O2/CO2 at full load for G30/G31

(butane/propane)

Values at full load for G30/G31 (butane/

O2 %

(1)

CO2 %

propane)

Gas 220 Ace 160 5.1 - 5.4

Gas 220 Ace 200 5.2 - 5.5

Gas 220 Ace 250 5.2 - 5.5

Gas 220 Ace 300 5.2 - 5.5

(1) nominal value

(1)

10.2

10.1

(1)

- 10.4

(1)

- 10.3

(1)

- 10.3

(1)

- 10.3

Caution

The O2 values at full load must be lower than the O2 values at low load.

The CO2 values at full load must be higher than the CO2 values at low load.

3. If the measured value is outside of the values given in the table, correct the gas/air ratio.

4. Using the adjusting screw A, set the percentage of O2/CO2 for the gas type being used to the nominal value. This should always be inside

the highest and lowest setting limit.

Important The boilers are supplied with a variety of gas valve units. Compare the gas valve unit in the boiler with those in the drawings and see the drawing for the position of adjusting screw A for full load.

Enable part load

Fig.59 Step 1

1. Press the two keys on the left simultaneously to select chimney sweep mode.

The device is now running at part load. Wait until L:XX° appears on the display.

2. Press the h key to go back to the main display.

AD-0001326-02

7 Commissioning

7665063 - v.05 - 18102018 49

Checking/setting values for O2/CO2 at low load

1. Measure the percentage of O2/CO2 in the flue gases.

2. Compare the measured value with the checking values in the table.

Tab.35 Checking/setting values for O2/CO2 at low load for G20 (H

gas)

Values at low load for G20 (H gas)

Gas 220 Ace 160 5.2

Gas 220 Ace 200 5.2

Gas 220 Ace 250 5.2

Gas 220 Ace 300 5.2

(1) nominal value

Tab.36 Checking/setting values for O2/CO2 at low load for G30/G31

(butane/propane)

Values at low load for G30/31 (butane/ propane)

Gas 220 Ace 160 5.4

Gas 220 Ace 200 5.5

Gas 220 Ace 250 5.5

Gas 220 Ace 300 5.5

(1) nominal value

(1)

O2 %

(1)

- 5.6 8.6 - 8.8

(1)

- 5.6 8.6 - 8.8

(1)

- 5.6 8.6 - 8.8

(1)

- 5.6 8.6 - 8.8

(1)

O2 %

(1)

- 5.7 10.0 - 10.2

(1)

- 5.8 9.9 - 10.1

(1)

- 5.8 9.9 - 10.1

(1)

- 5.8 9.9 - 10.1

CO2 %

(1)

Caution

The O2 values at low load must be higher than the O2 values at full load.

The CO2 values at low load must be lower than the CO2 values at full load.

Fig.60

Position of adjusting screw B

3. If the measured value is outside of the values given in the table, correct the gas/air ratio.

4. Using the adjusting screw B, set the percentage of O2/CO2 for the gas type being used to the nominal value. This should always be within

the maximum and the minimum setting limits.

AD-3001124-01

Adjusted for / Réglée pour / Ingesteld op / Eingestellt auf / Regolato per / Ajustado para / Ρυθμισμένο για / Nastawiony na / настроен для / Reglat pentru / настроен за / ayarlanmıştır / Nastavljen za / beállítva/ Nastaveno pro / Asetettu kaasulle / Justert for/ indstillet til/ ضبط ل :

(10)3(X)

Gas

(12)3(X)

mbar

Parameters / Paramètres / Parameter / Parametri / Parámetros / Παράμετροι / Parametry / Параметры / Parametrii / Параметри / Parametreler / Paraméterek / Parametrit / Parametere / Parametre / المعلمات :

G20

DP003 - 3300

GP007 - 3300

GP008 - 2150

GP009 -

7 Commissioning

50 7665063 - v.05 - 18102018

7.4 Final instructions

Fig.61

Example filled-in sticker

1. Remove the measuring equipment.

2. Screw the cap on to the flue gas measuring point.

3. Seal the gas valve unit.

4. Put the front casing back.

5. Heat the central heating system up to approximately 70°C.

6. Switch the boiler off.

7. Vent the central heating system after approx. 10 minutes.

8. Turn on the boiler.

9. Check the water pressure. If necessary, top up the central heating system.

10. Fill in the following data on the sticker included, and attach it next to the data plate on the appliance.

If adapted to another gas, fill in the gas type; The gas supply pressure; If set to overpressure application, fill in the type; The parameters modified for the changes mentioned above.

11. Instruct the user in the operation of the system, boiler and controller.

12. Inform the user of the maintenance to be performed.

13. Hand over all manuals to the user.

14. Confirm the commissioning with a signature and a company stamp.

The boiler is now ready for operation.

8 Operation

7665063 - v.05 - 18102018 51

8.1 Use of the control panel

8 Operation

The display on the control panel provides information about the operating status of the boiler and any errors.

See The control panel manual for extra information about:

Changing, creating and resetting settings. Reading out values. Functions of the panel. Clearing the error memory.

8.2

Shutdown

8.3 Frost protection

If the central heating is not due to be used for a long period of time, it is recommended that the boiler be disconnected from the power supply.

1. Turn off the boiler using the on/off switch.

2. Shut off the gas supply.

3. Keep the area frost-free.

Caution

Drain the boiler and central heating system if you are not going to use your home or the building for a long time and there is a chance of frost. The frost protection does not work if the boiler is out of operation. The built-in boiler protection is only activated for the boiler and not for the system and radiators. Open the valves of all the radiators connected to the system.

Set the temperature control low, for example to 10°C.

If there is no heat demand, the boiler will only switch on to protect itself against frost.

If the temperature of the central heating water in the boiler drops too low, the built-in boiler protection system is activated. This system works as follows:

At a water temperature lower than 7°C, the heating pump starts. If the water temperature is lower than 4°C, the boiler switches on. If the water temperature is higher than 10℃ the boiler switches off and the circulation pump continues to run for a short time.

To prevent the system and radiators freezing in frost-sensitive areas (e.g. a garage), a frost thermostat or outside sensor can be connected to the boiler.

9 Settings

52 7665063 - v.05 - 18102018

9 Settings

9.1 List of parameters

The code of the parameters always contain two letters and three numbers. The letters stand for:

AP Appliance related parameters CP Zone related parameters DP Domestic hot water related parameters EP Smart Solutions related parameters GP Gas-fired heat engine related parameters PP Central heating related parameters

Important All possible options are indicated in the adjustment range. The display of the boiler only shows the relevant settings for the appliance.

9.1.1 Parameters - FSB-WHB-HE-150-300

Important

All tables show the factory setting for the parameters. The tables also list parameters that are only applicable if the boiler is combined with other equipment such as an outdoor sensor. All possible options are indicated in the adjustment range. The display of the boiler only shows the relevant settings for the appliance.

Tab.37

Code Description Range 160 200 250 300

AP016 Enable central heating heat demand

AP017 Enable domestic hot water heat

CP080 Room setpoint temperature of the

CP081 Room setpoint temperature of the

CP082 Room setpoint temperature of the

CP083 Room setpoint temperature of the

CP084 Room setpoint temperature of the

CP085 Room setpoint temperature of the

CP200 Manually setting the room

CP320 Operating mode of the zone 0 = Scheduling

CP510 Temporary room setpoint per zone 5 °C - 50 °C 20 20 20 20

CP550 Fire Place mode is active 0 = Off

> FSB-WHB-HE-150-300 - Factory settings at user level

0 = Off

processing

demand processing

user zone activity

temperature setpoint of the zone

1 = On

0 = Off 1 = On

5 °C - 30 °C 16 16 16 16

5 °C - 30 °C 20 20 20 20

5 °C - 30 °C 6 6 6 6

5 °C - 30 °C 21 21 21 21

5 °C - 30 °C 22 22 22 22

5 °C - 30 °C 20 20 20 20

1 = Manual 2 = Antifrost 3 = Temporary

1 = On

1 1 1 1

0 0 0 0

Code Description Range 160 200 250 300

7665063 - v.05 - 18102018 53

CP570 Time Program of the zone selected

by the user

0 = Schedule 1 1 = Schedule 2

0 0 0 0

2 = Schedule 3 3 = Cooling

CP660 Choice icon to display this zone 0 = None

1 1 1 1 1 = All 2 = Bedroom 3 = Livingroom 4 = Study 5 = Outdoor 6 = Kitchen 7 = Basement 8 = Swimming Pool 9 = DHW Tank 10 = DHW Electrical Tank 11 = DHW Layered Tank 12 = Internal Boiler Tank 13 = Time Program

CP670 Configuration of pairing room unit

- - - -

per zone

9 Settings

Tab.38

> FSB-WHB-HE-150-300 - Factory settings at installer level

Code Description Range 160 200 250 300

AP001 Blocking input setting (1: Full

blocking, 2: Partial blocking, 3: User reset locking)

1 = Full blocking 2 = Partial blocking 3 = User reset locking

1 1 1 1

4 = Backup Relieved 5 = Heat Pump Relieved 6 = HP & backup relieved 7 = High, Low Tariff 8 = Photovoltaic HP Only 9 = PV HP And backup 10 = Smart Grid ready 11 = Heating Cooling

AP006 Appliance will report low water

0 bar - 6 bar 0,7 0,7 0,7 0,7

pressure below this value

AP008 The appliance will wait x sec (0=off)

0 Sec - 255 Sec 0 0 0 0

for the release contact to close in order to start the burner

AP009 Burning hours before raising a

service notification

AP010 The type of service needed based

on burn and powered hours

100 Hours - 25500 Hours

0 = None 1 = Custom notification

17400 17400 17400 17400

2 2 2 2

2 = ABC notification

AP011 Hours powered to raise a service

notification

AP056 Enable outdoor sensor 0 = No outside sensor

100 Hours - 25500 Hours

17400 17400 17400 17400

1 1 1 1 1 = AF60 2 = QAC34

AP073 Outdoor temperature: upper limit for

1.5 °C - 60 °C 22 22 22 22

heating

AP074 The heating is stopped. Hot water is

maintained. Force Summer Mode

0 = Off 1 = On

0 0 0 0

9 Settings

54 7665063 - v.05 - 18102018

Code Description Range 160 200 250 300

AP079 Inertia of the building used for heat

0 - 255 0 0 0 0

up speed

AP080 Outside temperature below which

-32 °C - 10 °C 0 0 0 0

the antifreeze protection is activated

AP110 Parameter to activate the 2nd return

sensor

CP000 Maximum Flow Temperature

0 = Inactive

0 0 0 0 1 = Active

0 °C - 90 °C 90 90 90 90

setpoint zone

CP010 Zone flow temperature setpoint,

0 °C - 90 °C 90 90 90 90

used when the zone is set to a fixed flow setpoint.

CP020 Functionality of the zone 0 = Disable

1 1 1 1 1 = Direct 2 = Mixing Circuit 3 = Swimming pool 4 = High Temperature 5 = Fan Convector 6 = DHW tank 7 = Electrical DHW 8 = Time Program 9 = ProcessHeat 10 = DHW Layered 11 = DHW Internal tank 12 = DHW Commercial Tank 31 = DHW FWS EXT

CP040 Pump post runtime of the zone 0 Min - 20 Min 0 0 0 0

CP060 Wished room zone temperature on

5 °C - 20 °C 6 6 6 6

holiday period

CP070 Max Room Temperature limit of the

5 °C - 30 °C 15 15 15 15

circuit in reduced mode, that allows switching to comfort mode

CP210 Comfort footpoint of the temperature

15 °C - 90 °C 15 15 15 15

of heat curve of the circuit

CP220 Reduced footpoint of the

15 °C - 90 °C 15 15 15 15

temperature of heat curve of the circuit

CP230 Heating curve temperature gradient

0 - 4 2,5 2,5 2,5 2,5

of the zone

CP240 Adjustment of the influence of the

0 - 10 3 3 3 3

zone room unit

CP250 Calibration of Zone Room Unit -5 °C - 5 °C 0 0 0 0

CP340 Type of reduced night mode, stop or

maintain heating of circuit

0 = Stop heat demand 1 = Continue heat

0 0 0 0

demand

CP470 Setting of the screed drying program

0 Days - 30 Days 0 0 0 0

of the zone

CP480 Setting of the start temperature of

20 °C - 50 °C 20 20 20 20

the screed drying program of the zone

CP490 Setting of the stop temperature of

20 °C - 50 °C 20 20 20 20

the screed drying program of the zone

CP730 Selection of heat up speed of the

zone

0 = Extra Slow 1 = Slowest

0 0 0 0

2 = Slower 3 = Normal 4 = Faster 5 = Fastest

MW-3000312-01

9 Settings

7665063 - v.05 - 18102018 55

Code Description Range 160 200 250 300

CP740 Selection of cool down speed of the

zone

0 = Slowest 1 = Slower

0 0 0 0

2 = Normal 3 = Faster 4 = Fastest

CP750 Maximum zone preheat time 0 Min - 65000 Min 0 0 0 0

CP780 Selection of the control strategy for

the zone

0 = Automatic 1 = Room Temp based

1 1 1 1

2 = Outdoor Temp based 3 = Outdoor&Room based

DP003 Maximum fan speed on Domestic

1000 Rpm - 7000 Rpm 6700 4650 5700 5800

Hot Water

EP014 Smart Control Board function 10 Volt

PWM input

0 = Off 1 = Temperature

0 0 0 0

control 2 = Power control

GP007 Maximum fan speed during Central

1000 Rpm - 8500 Rpm 6700 4650 5700 5800

Heating mode

GP008 Minimum fan speed during Central

900 Rpm - 8500 Rpm 1900 1450 1550 1650

Heating + Domestic Hot Water mode

GP009 Fan speed at appliance start 900 Rpm - 5000 Rpm 2200 2200 2200 2200

GP010 Gas Pressure Switch check on/off 0 = No

0 0 0 0 1 = Yes

GP021 Modulate back when delta

5 °C - 25 °C 25 25 25 25

temperature is large then this treshold

GP024 Valve Proofing System check on /

off

0 = No 1 = Yes

0 0 0 0

PP015 Central heating pump post run time 1 Min - 99 Min 1 1 1 1

PP016 Maximum central heating pump

20 % - 100 % 100 100 100 100

speed (%)

PP018 Minimum central heating pump

20 % - 100 % 20 20 20 20

speed (%)

PP023 Hysteresis to start burner in heating

1 °C - 25 °C 10 10 10 10

mode

9.2

Changing the parameters

The boiler’s control unit is set for the most common central heating systems. These settings will ensure that virtually every central heating system operates effectively. The user or the installer can optimise the parameters as required.

Caution Changing the factory settings may adversely affect the operation of the boiler.

9.2.1 Configuring the installation parameters

1. Navigate to the Installer menu.

Fig.62

Step 2

2. Press the key to open the menu.

MW-3000313-01

MW-3000314-01

MW-3000406-02

MW-3000407-01

MW-3000315-01

MW-3000336-01

MW-3000337-01

MW-3000338-01

MW-3000316-01

MW-3000320-01

9 Settings

56 7665063 - v.05 - 18102018

Fig.63

Step 3

Fig.64 Step 4

Fig.65 Step 5

Fig.66 Step 6

Fig.67 Step 7

3. Keep pressing the key until the code 0012 is displayed.

4. Press the key to confirm opening the menu.

Keep pressing the key until the required device, control PCB or

5. zone is displayed.

6. Press the key to confirm the selection.

7. Keep pressing the or key until the required parameter is displayed.

Fig.68 Step 8

Fig.69 Step 9

Fig.70 Step 10

Fig.71 Step 11

9.3

Reading out measured values

Fig.72 Step 2

8. Press the key to confirm the selection.

9. Press the or key to modify the value.

10. Press the key to confirm the value.

11. Press the h key multiple times to go back to the main display.

9.3.1

Reading out counters

You can read out the counters of the appliance and the connected control boards, sensors and so on.

1. Navigate to the Counter menu.

2. Press the key to open the menu.

MW-3000422-01

MW-3000453-01

MW-3000439-01

MW-3000441-01

MW-3000306-01

MW-3000451-01

MW-3000452-01

MW-3000307-01

MW-3000308-01

9 Settings

7665063 - v.05 - 18102018 57

Fig.73

Step 3

Fig.74 Step 4

Fig.75 Step 5

Fig.76 Step 6

Fig.77 Step 7

3. Press the key to confirm the selection.

The text CODE flashes in the display.

4. Press the key to confirm the selection.

Keep pressing the key until the code 0012 is displayed.

6. Keep pressing the key until the required value is displayed.

7. Press the h key multiple times to go back to the main display.

Fig.78 Step 2

Fig.79 Step 3

Fig.80 Step 4

Fig.81 Step 5

9.3.2 Reading out signals and software versions

You can read out the signals and software versions of the appliance and the connected control boards, sensors and so on.

1. Navigate to the Information menu.

2. Press the key to open the menu.

3. Keep pressing the key until the required device, control PCB or zone is displayed.

4. Press the key to confirm the selection.

5. Keep pressing the or key until the required value is displayed. At the end of the cycle, the software version and parameter version of the selected appliance or control PCB are displayed.

Fig.82 Step 6

6. Press the h key multiple times to go back to the main display.

9 Settings

58 7665063 - v.05 - 18102018

9.3.3 Counters - FSB-WHB-HE-150-300

Tab.39

Code Description Range

AC001 Number of hours that the appliance has been on mains power 0 Hours - 65534 Hours

DC002 Numbers of Domestic Hot Water diverting valve cycles 0 - 4294967295

DC003 Number of hours during which the diverting valve is in DHW position 0 Hours - 4294967295 Hours

DC004 Number of burner starts for Domestic Hot Water 0 - 4294967295

DC005 Number of burning hours in Domestic Hot Water 0 Hours - 4294967295 Hours

PC003 Total number of burning hours. For heating and domestic hot water 0 Hours - 65534 Hours

Tab.40

Code Description Range

DC001 Total power consumption used by Domestic Hot Water 0 kW - 4294967295 kW

PC002 Total number of burner starts. For heating and domestic hot water 0 - 65534

PC004 Number of burner flame loss 0 - 65534

Tab.41

Code Description Range

AM001 Is the appliance currently in domestic hot water production mode? 0 = Off

AM010 The current pump speed 0 % - 100 %

AM012 Current main status of the appliance. DeviceState

AM014 Current sub status of the appliance. DeviceSubStatus

AM015 Is the pump running? 0 = Inactive

AM016 Flow temperature of appliance. -25 °C - 150 °C

AM017 The temperature of heat exchanger -25 °C - 150 °C

AM018 Return temperature of appliance. The temperature of the water

AM019 Water pressure of the primary circuit. 0 bar - 25.5 bar

AM022 On / Off heat demand 0 = Off

AM024 Actual relative power of the appliance 0 % - 655.35 %

AM027 Instantaneous outside temperature -60 °C - 60 °C

AM028 Value of the 0 to 10 Volt input. Meaning is dependant on the current

AM037 Status of the three way valve 0 = CH

AM040 Temperature used for hot water control algorithms. -25 °C - 150 °C

AM101 Internal system flow temperature setpoint 0 °C - 120 °C

AP078 Outside sensor detected in the application 0 = No

GM001 Actual fan RPM 0 Rpm - 8500 Rpm

GM002 Actual fan RPM setpoint 0 Rpm - 8500 Rpm

GM006 Gas Pressure Switch status 0 = Open

GM008 Actual flame current measured 0 µA - 25 µA

> FSB-WHB-HE-150-300 - Counters at user level

> FSB-WHB-HE-150-300 - Counters at installer level

9.3.4

> FSB-WHB-HE-150-300 - Signals at user level

entering the appliance.

input function setting.

Signals - FSB-WHB-HE-150-300

1 = On

1 = Active

-25 °C - 150 °C

1 = On

0 V - 25 V

1 = DHW

1 = Yes

1 = Closed 2 = Off

Code Description Range

7665063 - v.05 - 18102018 59

GM012 Release signal for the CU 0 = No

1 = Yes

GM015 Valve Proving System switch open / closed 0 = Open

1 = Closed 2 = Off

9 Settings

Tab.42

> FSB-WHB-HE-150-300 - Signals at installer level

Code Description Range

AM011 Is service currently required? 0 = No

1 = Yes

AM033 Next service indication 0 = None

1 = A 2 = B 3 = C 4 = Custom

AM036 Temperature of the exhaust gas leaving the appliance 0 °C - 250 °C

AM044 Number of sensors supported by the device 0 - 255

AM045 Water pressure sensor present? 0 = No

1 = Yes

AM091 Seasonal mode active (summer / winter) 0 = Winter

1 = Frost protection 2 = Summer neutral band 3 = Summer

GM004 Gas valve 1 0 = Open

1 = Closed 2 = Off

GM005 Gas valve 2 0 = Open

1 = Closed 2 = Off

GM010 Available power in % of maximum 0 % - 100 %

GM044 Possible reason for Controlled Stop 0 = None

1 = CH Blocking 2 = DHW Blocking 3 = Wait for burner 4 = TFlow > absolute max 5 = TFlow > start temp. 6 = Theat exch. > Tstart 7 = Avg Tflow > Tstart 8 = TFlow > max setpoint 9 = T difference too big 10 = TFlow > stop temp. 11 = Avg Tflow > Tstop

PM002 External winning Central Heating setpoint 0 °C - 125 °C

9.3.5 Status and sub-status - FSB-WHB-HE-150-300

Tab.43 Status numbers

Status

0 Standby

1 Heat Demand

2 Burner Start

3 Burning CH

4 Burning Dhw

5 Burner Stop

6 Pump Post Run

7 Cooling Active

9 Settings

60 7665063 - v.05 - 18102018

Status

8 Controlled Stop

9 Blocking Mode

10 Locking Mode

11 Load test min

12 Load test CH max

13 Load test DHW max

15 Manual Heat Demand

16 Frost Protection

17 DeAiration

18 Control unit Cooling

19 Reset In Progress

20 Auto Filling

21 Halted

200 Device Mode

Tab.44 Sub-status numbers

Sub-status

0 Standby

1 AntiCycling

2 CloseHydraulicValve

3 ClosePump

4 WaitingForStartCond.

10 CloseExtGasValve

11 StartToGlueGasValve

12 CloseFlueGasValve

13 FanToPrePurge

14 WaitForReleaseSignal

15 BurnerOnCommandToSu

16 VpsTest

17 PreIgnition

18 Ignition

19 FlameCheck

20 Interpurge

30 Normal Int.Setpoint

31 Limited Int.Setpoint

32 NormalPowerControl

33 GradLevel1PowerCtrl

34 GradLevel2PowerCtrl

35 GradLevel3PowerCtrl

36 ProtectFlamePwrCtrl

37 StabilizationTime

38 ColdStart

39 ChResume

40 SuRemoveBurner

41 FanToPostPurge

42 OpenExt&FlueGasValve

43 StopFanToFlueGVRpm

44 StopFan

45 LimitedPwrOnTflueGas

60 PumpPostRunning

61 OpenPump

62 OpenHydraulicValve

Sub-status

7665063 - v.05 - 18102018 61

63 SetAntiCycleTimer

200 Initialising Done

201 Initialising Csu

202 Init. Identifiers

203 Init.BL.Parameter

204 Init. Safety Unit

205 Init. Blocking

9 Settings

10 Maintenance

62 7665063 - v.05 - 18102018

10 Maintenance

10.1 General

The boiler does not require a lot of maintenance. Nevertheless, the boiler must be inspected and maintained periodically. To determine the best time for servicing, the boiler is equipped with an automatic service message. The control unit determines when this service message appears. Depending on boiler use, the first service message appears no later than 3 years after installation of the boiler.

Caution

Maintenance operations must be completed by a qualified installer. Replace defective or worn parts with original spare parts. An annual inspection is mandatory.

Important Adjust the frequency of inspection and service to the conditions of use. This applies especially to boilers in constant use (for specific processes).

10.2 Maintenance message

The boiler display will clearly indicate that a service is required at the appropriate time.

See Manual for the control panel

Use the automatic service message for preventive maintenance, to keep faults to a minimum. The service messages show which service kit must be used. These service kits contain all parts and gaskets that are required for the relevant service. These service kits (A, B or C), put together by Remeha , are available from your spare parts supplier.

Important

A service message must be followed up within 2 months. Therefore, call your installer as soon as possible. If the iSense modulating controller is connected to the boiler, this maintenance message can also be forwarded to the iSense. Consult the manual for the regulator.

Caution Reset the maintenance message following every service.

10.2.1

Resetting the service messages

A service message on the boiler display must be reset by a qualified installer within two months after the indicated maintenance service has been carried out using the relevant service set and after this has been entered in the checklist. Proceed as follows:

1. Perform the service with the specified service kit (A, B or C).

2. Note the service in the corresponding checklist.

See Appendix, page 85

3. Reset the service message.

10 Maintenance

7665063 - v.05 - 18102018 63

10.2.2 Starting a new service interval

For an interim service it is advisable to read out in the boiler service menu what maintenance service should be carried out. Use the indicated Remeha service kits (A, B or C). This service message must be prevented by carrying out a reset. Start the next service interval. Proceed as follows:

1. In the Service menu of the boiler, read which service should be performed.

2. Perform the service with the specified service kit (A, B or C).

3. Note the service in the corresponding checklist.

See Appendix, page 85

4. Reset the service message.

This prevents this service message from appearing automatically after all.

5. Start the next service interval.

10.3

Standard inspection and maintenance operations

Warning Always wear safety goggles and a dust mask during cleaning work (involving compressed air).

For a service, always perform the following standard inspection and maintenance operations.

Caution

Check whether all gaskets have been positioned properly (absolutely flat in the appropriate groove means they are gas tight). During the inspection and maintenance operations, water (drops, splashes) must never come into contact with the electrical parts.

10.3.1 Checking the water pressure

1. Check the water pressure.

Important The water pressure is shown on the display of the control panel.

The water pressure must be at least 0.8 bar

2. If the water pressure is lower than 0.8 bar, top up the central heating system.

10.3.2

1. Fill a clean bottle with some water from the system/boiler from the

2. Check the quality of this water sample or have it checked.

Checking the water quality

filling and drain cock.

See More information is available in our Water quality instructions. This manual forms part of the set of documents supplied with the boiler. Always adhere to the instructions in the aforementioned document.

10.3.3 Checking the ionisation current

1. Check the ionisation current at full load and at low load.

The value is stable after 1 minute.

2. Clean or replace the ionisation/ignition electrode if the value is less than 4 µA.

AD-0001181-01

SLOW

(+)

X mbar

........ mb

5,5 mbar.... 6,5

(+)

(-)

1 6

10 Maintenance

64 7665063 - v.05 - 18102018

For more information, see Replacing the ionisation/ignition electrode, page 71

Fig.83 Check the air pressure differential

switch + side

10.3.4

Check the flue gas outlet/air supply connections

1. Check the flue gas outlet and air supply connections for condition and tightness.

10.3.5 Checking the combustion

Combustion is checked by measuring the O2/CO2percentage in the flue gas outlet duct.

10.3.6 Checking the PS air pressure differential switch

Checking the air pressure differential switch + side

1. Switch off the boiler.

2. Disconnect the silicon hose on the + side (P1) of the air pressure differential switch.

3. Take a large plastic syringe or bellows and connect a T piece with a hose connected.

4. Connect the + side of the air pressure differential switch to one end of the T piece with a hose.

5. On the other end of the T piece, connect the + side of a pressure gauge.

6. Turn on the boiler

7. Push the syringe or bellows in very slowly until the boiler goes into failure mode.

8. Make a note of the pressure indicated by the pressure gauge at that point. A switch pressure of between 5.5 and 6.5 mbar is fine. A lower or higher switch pressure indicates a problem with the air pressure differential switch.

9. After taking a measurement, detach the silicon hose from the T piece on the + side and reconnect the hose that was previously removed.

Caution Please note: The + side (P1) is the rear connector nipple of the air pressure differential switch.

10. Remove any soiling from all connection points for hoses and the air pressure differential switch.

11. Check the condition and tightness of the hoses of the air pressure differential switch. Replace the hoses if necessary.

Checking the air pressure differential switch – side

AD-0001076-01

SLOW

X mbar

........ mb

-5.5 mbar....-6,5

(+)

(-)

7665063 - v.05 - 18102018 65

10 Maintenance

Fig.84

– side of the air pressure differential switch

1. Disconnect the short, dark-coloured silicon hose on the – side (P2) of the air pressure differential switch.

2. Connect the – side of the air pressure differential switch to one end of the T piece with a hose.

3. Pull out the syringe until the boiler goes into failure mode.

4. Make a note of the pressure indicated by the pressure gauge at that point.

A switch pressure of between - 5.5 and - 6.5 mbar is fine. A lower or higher switch pressure indicates a problem with the air pressure differential switch.

5. After taking a measurement, detach the silicon hose from the T-piece on the – side and reconnect the coloured hose that was previously removed.

6. Remove any soiling from all connection points for hoses and the air pressure differential switch.

7. Check the condition and tightness of the hoses of the air pressure differential switch.

Replace the hoses if necessary.

AD-0001182-01

SLOW

(+)

X mbar

30 sec

≥ 0.5 x

≤ 0.5 x

8 10

10 Maintenance

66 7665063 - v.05 - 18102018

10.3.7 Checking the VPS gas leakage control

Checking the VPS for leaks

Fig.85

Checking the VPS for leaks

1. Switch off the boiler.

2. Close the boiler gas tap.

3. Remove the pressure from the gas pipe by unscrewing the screw in measuring point P1.

4. As soon as the gas pipe is pressure-free, re-tighten the screw.

5. Open the screw at measuring point P2 on the gas valve unit (on the other side of the VPS pressure switch).

6. Take a large plastic syringe and connect a T piece with a hose connected to the mouth.

7. Connect one end of the T piece to measuring point 3 of the gas valve unit.

8. Connect the other end of the T piece to a pressure gauge.

9. Push the syringe in very slowly until the pressure gauge indicates the minimum inlet gas pressure value.

10. Check the measured pressure for about 30 seconds. If pressure decreases by more than half, this indicates a gas leak.

11. Replace the gas valve unit or the VPS if necessary.

Checking the VPS switch value

AD-0001183-01

SLOW

10 sec

0 Ohm

(+)

X mbar

5 5

3.23.1

........ mb

7665063 - v.05 - 18102018 67

10 Maintenance

Fig.86

Checking the VPS switch value

1. Remove the pressure from the gas valve unit; first remove the hose that is attached to measuring point 3 of the gas valve unit (on the other side of the VPS pressure switch).

2. Wait approximately 10 seconds and reconnect the disconnected hose to measuring point P2 of the gas valve unit.

3. Remove the connecting plug from the VPS gas leakage control.

4. Connect an ohmmeter to terminals 2 and 3 of the VPS.

5. Push the syringe in very slowly until the ohmmeter indicates 0 Ohm.

6. Make a note of the pressure indicated by the pressure gauge at that point. If the measured pressure differs by more than 2 mbar from the VPS set-up value, set the pressure switch to the correct value or replace it.

AD-0001184-01

(+)

X mbar

........ mb

≤ 10.0

10 Maintenance

68 7665063 - v.05 - 18102018

10.3.8 Checking the minimum gas pressure switch GPS

Fig.87 Checking the GPS

1. Switch off the boiler.

2. Open the screw in measuring point 2 of the gas valve unit.

3. Connect a pressure gauge to measuring point 2 of the gas valve unit.

4. Turn on the boiler.

5. Set the boiler to low load.

6. Close the boiler gas tap very slowly until the boiler goes into blocking mode.

7. Make a note of the pressure indicated by the pressure gauge at that point. Compare the measured values with the checking values in the table. If the measured pressure is lower, set the gas pressure switch to the correct value or replace it.

Tab.45 Minimum gas pressure switch value

Minimum value (mbar)

Gas 220 Ace 160 14

Gas 220 Ace 200 14

Gas 220 Ace 250 14

Gas 220 Ace 300 13

AD-0001185-01

7 3x

10 Maintenance

7665063 - v.05 - 18102018 69

10.3.9 Checking the burner and cleaning the heat exchanger

Fig.88 Checking the burner

1. Disconnect the plug of the ionisation/ignition electrode from the ignition transformer.

Caution The ignition cable is fixed to the ionisation/ignition electrode and therefore may not be removed.

2. Loosen the 2 screws of the ionisation/ignition electrode.

3. Remove the ionisation/ignition electrode with the seal from the heat exchanger.

4. Undo the 3 bolts from the adapter on the non-return valve holder (15 Nm torque).

5. Undo the 3 nuts from the adapter on the heat exchanger (15 Nm torque).

6. Carefully remove the adapter with burner from the heat exchanger.

7. Remove the 3 bolts from the burner on the adapter and dismantle the burner and seal.

8. Undo the nuts on the inspection ports (7.5 Nm torque).

Remove the inspection ports to reach the heat exchanger.

9. Use a vacuum cleaner to clean the top part of the heat exchanger (furnace).

10. Check (e.g. using a mirror) whether any visible contamination has been left behind. If it has, remove it with the vacuum cleaner.

11. Clean the lower section of the heat exchanger with the special cleaning knife.

12. Burner maintenance is almost never required; it is self-cleaning:

12.1. If necessary, carefully clean the cylinder-shaped burner with compressed air.

12.2. Check that the burner cover of the dismantled burner is free from cracks and/or damage. If not, replace the burner.

13. Reassemble the unit in the reverse order.

14. Open the gas supply and insert the plug in the socket again.

Caution

Use the specified torques when fitting nuts and bolts. Make sure the gaskets are in place when fitting nuts and bolts.

AD-0001186-02

AD-4100152-01

75 6

10 Maintenance

70 7665063 - v.05 - 18102018

10.3.10 Clean the condensate collector

Fig.89 Clean the condensate collector

Fig.90 Cleaning the siphon

1. Remove the air intake silencer.

2. Remove the sealing cap from the condensate collector.

3. Rinse the condensate collector thoroughly with a water flow that is as large as possible.

Warning When flushing, prevent water from getting into the boiler.

4. Disconnect the silicon hose of the air pressure differential switch from the connection nipple on the condensate collector.

5. Clean the opening of the connection nipple thoroughly (by blowing air or pushing an object through it).

6. Reconnect the silicon hose.

7. Put the air intake silencer and the sealing cap back on the condensate collector.

10.3.11 Cleaning the siphon

1. Pull the retainer clip of the siphon backwards.

2. Carefully pull the siphon and siphon hose downwards.

3. Clean the siphon with water.

4. Fill the siphon with water up to the mark.

5. Push the siphon firmly into the designated opening behind the cover underneath the boiler and install the siphon hose.

6. Push the retainer clip of the siphon forwards.

7. Check whether the siphon is firmly fitted in the boiler.

10.4 Specific maintenance work

Danger The siphon must always be filled with water. This prevents flue gases from entering the room.

Perform the specific maintenance work if this proves to be necessary following the standard inspection and maintenance work. To conduct the specific maintenance work:

10.4.1 Replacing the ionisation/ignition electrode

AD-0001187-01

7665063 - v.05 - 18102018 71

10 Maintenance

Fig.91 Replacing the ionisation/ignition

electrode

The ionisation/ignition electrode must be replaced if:

The ionisation current is < 4 µA. The electrode is damaged or worn. The electrode is included in the service kit.

1. Remove the plug of the electrode from the ignition transformer.

Important The ignition cable is fixed to the electrode and therefore may not be removed.

2. Unscrew the two screws on the electrode.

3. Remove the entire component.

4. Fit the new ionisation/ignition electrode.

5. Reassemble the unit in reverse order.

10.4.2

Checking the non-return valve

Check the condition of the non-return valve. Replace the non-return valve if it is defective, there is one in the service kit, or if there are traces of condensation on the inside of the fan. Do this as follows:

AD-0001188-01

AD-0000132-01

Check

Contrôler

Check

Contrôler

10 Maintenance

72 7665063 - v.05 - 18102018

Fig.92 Checking the non-return valve

1. Undo the 3 bolts from the adapter on the non-return valve holder (15 Nm torque).

2. Remove the ionisation/ignition electrode.

3. Undo the 3 nuts from the adapter on the heat exchanger (15 Nm torque).

4. Carefully remove the adapter with burner from the heat exchanger.

5. Remove the 4 bolts from the fan and remove the non-return valve holder (5.5 Nm torque).

6. Check whether traces of condensation are visible on the inside of the fan.

Always replace the non-return valve along with the holder in the event of visible traces of condensation or damage.

7. Reassemble in the reverse order.

Caution

Use the specified torques when fitting nuts and bolts. Make sure the gaskets are in place when fitting nuts and bolts.

Fig.93 Putting the boiler into operation

10.4.3 Reassembling the boiler

1. Fit all removed parts in the reverse order.

2. During inspection or maintenance work, always replace all gaskets of the disassembled parts.

3. Check the tightness of the gas and water connections.

4. Put the boiler back into operation.

10.5 Disposal

7665063 - v.05 - 18102018 73

10 Maintenance

10.5.1 Removal/recycling

Important Removal and disposal of the boiler must be carried out by a qualified person in accordance with local and national regulations.

To remove the boiler, proceed as follows:

1. Switch off the boiler's electrical connection.

2. Shut off the gas supply.

3. Shut off the water supply.

4. Drain the system.

5. Remove the siphon.

6. Remove the air supply/flue gas outlet pipes.

7. Disconnect all pipes on the boiler.

8. Remove the boiler.

11 Troubleshooting

74 7665063 - v.05 - 18102018

11 Troubleshooting

11.1 Error codes

The boiler is fitted with an electronic regulation and control unit. The heart of the control is a e-Smart microprocessor, which controls and also protects the boiler. In the event of an error, a corresponding code is displayed.

Error codes are displayed at three different levels:

Warning (A00.00)

Important The boiler continues to operate but the cause of the warning must be investigated. A warning can change into a blocking or lock-out.

Blocking (H00.00)

Important The boiler starts up again automatically when the cause of the blocking has been rectified. A blocking can become a lock-out.

Lock out (E00.00)

Important The boiler starts up again only when the cause of the lock-out has been rectified and reset manually.

The meaning of the code can be found in the various error code tables. Make a note of the code displayed.

Important The error code is needed to find the cause of the error quickly and correctly and for any support from Remeha.

11.1.1 Warning - FSB-WHB-HE-150-300

Tab.46 Warning codes

Code Description Solution

A01.21 Maximum Dhw Temperature Gradient Level3

Exceeded

A02.06 Water Pressure Warning active Water pressure warning:

A02.18 Object Dictionary Error Configuration error:

A02.37 Uncritical device has been disconnected SCB PCB not found:

A02.45 Full Can Connection Matrix SCB PCB not found:

A02.46 Full Can Device Administration SCB PCB not found:

Temperature warning:

Check the flow.

Water pressure too low; check the water pressure

Reset CN1 and CN2

See The data plate for the CN1 and CN2 val ues.

Bad connection: check the wiring and connectors Faulty SCB PCB: Replace SCB PCB

Carry out an auto-detect

11 Troubleshooting

7665063 - v.05 - 18102018 75

Code Description Solution

A02.49 Failed Initialising Node SCB PCB not found:

Carry out an auto-detect

A03.17 Periodically safety check ongoing Safety check procedure active:

No action

11.1.2 Blocking - FSB-WHB-HE-150-300

Tab.47 Blocking codes

Code Description Solution

H00.36 Second return temperature sensor is either removed

or measures a temperature below range

H00.37 Second return temperature sensor is either shorted

or measures a temperature above range

H01.00 Communication Error occured Communication error with the security kernel:

H01.06 Maximum difference between heat exchanger

temperature and flow temperature

H01.07 Maximum difference between heat exchanger

temperature and return temperature

H01.08 Delta T Max 3 Maximum heat exchanger temperature increase has

Second return temperature sensor open:

Bad connection: check the wiring and connectors. Incorrectly fitted sensor: check that the sensor has been correctly fitted. Faulty sensor: replace the sensor.

Second return temperature sensor short-circuited:

Bad connection: check the wiring and connectors. Incorrectly fitted sensor: check that the sensor has been correctly fitted. Faulty sensor: replace the sensor.

Restart the boiler Replace the CU-GH PCB

Maximum difference between heat exchanger and flow temperature exceeded:

No flow or insufficient flow:

Check the circulation (direction, pump, valves). Check the water pressure. Check the cleanliness of the heat exchanger. Check that the installation has been correctly vented to remove air.

Sensor error:

Check that the sensors are operating correctly. Check that the sensor has been fitted properly.

Maximum difference between heat exchanger and return temperature exceeded:

No flow or insufficient flow:

Check the circulation (direction, pump, valves). Check the water pressure. Check the cleanliness of the heat exchanger. Check that the installation has been correctly vented to remove air.

Sensor error:

Check that the sensors are operating correctly. Check that the sensor has been fitted properly.

been exceeded:

No flow or insufficient flow:

Check the circulation (direction, pump, valves) Check the water pressure Check the cleanliness of the heat exchanger Check that the central heating system has been correctly vented to remove air

Sensor error:

Check that the sensors are operating correctly Check that the sensor has been fitted properly

11 Troubleshooting

76 7665063 - v.05 - 18102018

Code Description Solution

H01.09 Gas Pressure Switch Gas pressure too low:

No flow or insufficient flow:

Check that the gas valve is fully opened Check the gas supply pressure

Wrong setting on the GPS gas pressure switch:

Check that the GPS switch has been fitted prop erly Replace the GPS switch if necessary

H01.13 Heat Exchanger temperature has exceeded the

maximum operating value

Maximum heat exchanger temperature exceeded:

Check the circulation (direction, pump, valves). Check the water pressure. Check that the sensors are operating correctly. Check that the sensor has been fitted properly. Check the cleanliness of the heat exchanger. Check that the central heating system has been correctly vented to remove air.

H01.14 Flow temperature has exceeded the maximum

operating value

Flow temperature sensor above normal range (highlimit thermostat):

Bad connection: check the wiring and connectors No flow or insufficient flow:

Check the circulation (direction, pump, valves) Check the water pressure Check the cleanliness of the heat exchanger

H01.15 Flue gas temperature has exceeded the maximum

operating value

Maximum flue gas temperature exceeded:

Check the flue gas outlet system Check the heat exchanger to ensure that the flue gas side is not clogged Faulty sensor: replace the sensor

H02.00 Reset In Progress Reset procedure active:

No action

H02.02 Waiting For Configuration Number Configuration error or unknown configuration num

ber:

Reset CN1 and CN2

H02.03 Configuration Error Configuration error or unknown configuration num

ber:

Reset CN1 and CN2

H02.05 CSU does not match CU type Configuration error:

Reset CN1 and CN2

H02.09 Partial blocking of the device recognized Blocking input active or frost protection active:

External cause: remove external cause Wrong parameter set: check the parameters Bad connection: check the connection

H02.10 Full blocking of the device recognized Blocking input is active (without frost protection):

External cause: remove external cause Wrong parameter set: check the parameters Bad connection: check the connection

H02.12 Release Signal input of the Control Unit from device

external environment

Waiting time release signal has elapsed:

External cause: remove external cause Wrong parameter set: check the parameters Bad connection: check the connection

H02.36 Functional device has been disconnected Communication error with the SCB PCB:

Bad connection with BUS: check the wiring. No PCB: reconnect PCB or retrieve from memory using auto-detect.

11 Troubleshooting

7665063 - v.05 - 18102018 77

Code Description Solution

H03.00 Safety parameters level 2, 3, 4 are not correct or

missing

H03.01 No valid data from CU to GVC received Communication error with the CU-GH PCB:

H03.02 Measured ionisation current is below limit No flame during operation:

H03.05 Gas Valve Control internal blocking occured Security kernel error:

Parameter error: security kernel

Restart the boiler Replace the CU-GH PCB

Restart the boiler

No ionisation current:

Vent the gas supply to remove air Check that the gas valve is fully opened Check the gas supply pressure Check the operation and setting of the gas valve unit Check that the air supply inlet and flue gas outlet are not blocked Check that there is no recirculation of flue gases

Restart the boiler Replace the CU-GH PCB

11.1.3

Tab.48 Lock out codes

Code Description Solution

E00.00 Flow temperature sensor is either removed or

measures a temperature below range

E00.01 Flow temperature sensor is either shorted or

measures a temperature above range

E00.04 Return temperature sensor is either removed or

measures a temperature below range

E00.05 Return temperature sensor is either shorted or

measures a temperature above range

E00.08 Heat exchanger temperature sensor is either

removed or measures a temperature below range

E00.09 Heat exchanger temperature sensor is either shorted

or measures a temperature above range

Lock-out - FSB-WHB-HE-150-300

Flow temperature sensor open:

Bad connection: check the wiring and connectors. Incorrectly fitted sensor: check that the sensor has been correctly fitted. Faulty sensor: replace the sensor.

Flow temperature sensor short circuited:

Bad connection: check the wiring and connectors. Incorrectly fitted sensor: check that the sensor has been correctly fitted. Faulty sensor: replace the sensor.

Return temperature sensor open:

Bad connection: check the wiring and connectors Incorrectly fitted sensor: check that the sensor has been correctly fitted Faulty sensor: replace the sensor

Return temperature sensor short-circuited:

Bad connection: check the wiring and connectors Incorrectly fitted sensor: check that the sensor has been correctly fitted Faulty sensor: replace the sensor

Heat exchanger temperature sensor open:

Bad connection: check the wiring and connectors. Incorrectly fitted sensor: check that the sensor has been correctly fitted. Faulty sensor: replace the sensor.

Heat exchanger temperature sensor short-circuited:

Bad connection: check the wiring and connectors. Incorrectly fitted sensor: check that the sensor has been correctly fitted. Faulty sensor: replace the sensor.

11 Troubleshooting

78 7665063 - v.05 - 18102018

Code Description Solution

E00.20 Flue gas temperature sensor is either removed or

measures a temperature below range

Open circuit in flue gas sensor:

Bad connection: check the wiring and connectors. Incorrectly fitted sensor: check that the sensor has been correctly fitted. Faulty sensor: replace the sensor.

E00.21 Flue gas temperature sensor is either shorted or

measures a temperature above range

Flue gas sensor short-circuited:

Bad connection: check the wiring and connectors. Incorrectly fitted sensor: check that the sensor has been correctly fitted. Faulty sensor: replace the sensor.

E00.40 Water pressure sensor is either removed or

measures a temperature below range

Hydraulic pressure sensor open:

Bad connection: check the wiring and connectors. Incorrectly fitted sensor: check that the sensor has been correctly fitted. Faulty sensor: replace the sensor.

E00.41 Water pressure sensor is either shorted or measures

a temperature above range

Hydraulic pressure sensor short-circuited:

Bad connection: check the wiring and connectors. Incorrectly fitted sensor: check that the sensor has been correctly fitted. Faulty sensor: replace the sensor.

E01.04 5x Error of unintended Flame Loss occurance Flame loss occurs 5 times:

E01.12 Return tempearture has a higher temperature value

than the flow temperature

Flow and return reversed:

Bad connection: check the wiring and connectors Water circulation in wrong direction: check the cir culation (direction, pump, valves) Incorrectly fitted sensor: check that the sensor has been correctly fitted Malfunctioning sensor: check the Ohmic value of the sensor Faulty sensor: replace the sensor

E02.04 Parameter Error Configuration error:

Reset CN1 and CN2

See The data plate for the CN1 and CN2 val ues.

E02.13 Blocking Input of the Control Unit from device

external environment

Blocking input is active:

External cause: remove external cause Wrong parameter set: check the parameters

E02.15 External CSU Timeout CSU time out:

Bad connection: check the wiring and connectors Faulty CSU: Replace CSU

E02.17 Gas Valve Control unit communication has exceeded

feedback time

Communication error with the security kernel:

Restart the boiler Replace the CU-GH PCB

E02.35 Safety critical device has been disconnected Communication fault

Carry out an auto-detect

11 Troubleshooting

7665063 - v.05 - 18102018 79

Code Description Solution

E02.47 Failed Connecting Function Groups Function group not found:

Carry out an auto-detect Restart the boiler Replace the CU-GH PCB

E04.00 Safety parameters Level 5 are not correct or missing Replace the CU-GH PCB.

E04.01 Flow temperature sensor is either shorted or

measuring a temperature above range

Flow temperature sensor short circuited:

Bad connection: check the wiring and connectors Incorrectly fitted sensor: check that the sensor has been correctly fitted Faulty sensor: replace the sensor

E04.02 Flow temperature sensor is either removed or

measuring a temperature below range

Flow temperature sensor open:

Bad connection: check the wiring and connectors Faulty sensor: replace the sensor

E04.03 Measured flow temperature above savety limit No flow or insufficient flow:

Check the circulation (direction, pump, valves) Check the water pressure Check the cleanliness of the heat exchanger

E04.04 Flue temperature sensor is either shorted or

measuring a temperature above range

Flue gas temperature sensor short-circuited:

Bad connection: check the wiring and connectors Incorrectly fitted sensor: check that the sensor has been correctly fitted Faulty sensor: replace the sensor

E04.05 Flue temperature sensor is either removed or

measuring a temperature below range

Flue gas temperature sensor open:

Bad connection: check the wiring and connectors Incorrectly fitted sensor: check that the sensor has been correctly fitted Faulty sensor: replace the sensor

E04.07 Deviation in flow sensor 1 and flow sensor 2

detected

Flow temperature sensor deviation:

Bad connection: check the connection Faulty sensor: replace the sensor

E04.08 Safety input is open Air pressure differential switch activated:

Bad connection: check the wiring and connectors Pressure in flue gas duct is or was too high:

Non-return valve does not open Siphon blocked or empty Check that the air supply inlet and flue gas outlet are not blocked Check the cleanliness of the heat exchanger

E04.09 Deviation in flue sensor 1 and flue sensor 2 detected Flue gas temperature sensor deviation:

Bad connection: check the connection Faulty sensor: replace the sensor

11 Troubleshooting

80 7665063 - v.05 - 18102018

Code Description Solution

E04.10 5 Unsuccessful burners starts detected Five failed burner starts:

No ignition spark:

Check the wiring between the CU-GH PCB and the ignition transformer Check the ionisation/ignition electrode Check breakdown to earth Check the condition of the burner cover Check the earthing SU PCB faulty: replace the SU PCB

Ignition spark but no flame:

Vent the gas pipes to remove air Check that the air supply inlet and flue gas outlet are not blocked Check that the gas valve is fully opened Check the gas supply pressure Check the operation and setting of the gas valve unit Check the wiring on the gas valve unit

Replace the CU-GH PCB Flame present, but ionisation has failed or is inade quate:

Check that the gas valve is fully opened

Check the gas supply pressure

Check the ionisation/ignition electrode

Check the earthing

Check the wiring on the ionisation/ignition elec

trode.

E04.11 VPS Gas Valve proving failed Gas leakage control fault:

Bad connection: check the wiring and connectors Gas leakage control VPS faulty: Replace the GPS Gas valve unit faulty: Replace the gas valve unit

E04.12 False flame detected before burner start False flame signal:

The burner remains very hot: Set the O Ionisation current measured but no flame should

be present: check the ionisation/ignition electrode Faulty gas valve: replace the gas valve Faulty ignition transformer: replace the ignition transformer

E04.13 Fan speed has exceeded normal operating range Fan fault:

Bad connection: check the wiring and connectors. Fan operates when it should not be operating: check for excessive chimney draught Faulty fan: replace the fan

E04.15 The flue gas pipe is blocked Flue gas outlet is blocked:

Check that the flue gas outlet is not blocked Restart the boiler

E04.17 The driver for the gas valve is broken Gas valve unit fault:

Bad connection: check the wiring and connectors Faulty gas valve unit: Replace the gas valve unit

E04.23 Gas Valve Control internal locking Restart the boiler

Replace the CU-GH PCB

11.2

Error memory

The boiler control unit has an error memory. It stores the last 32 errors that have occurred.

12 Removal/recycling

7665063 - v.05 - 18102018 81

12 Removal/recycling

Important Removal and disposal of the boiler must be carried out by a qualified person in accordance with local and national regulations.

To remove the boiler, proceed as follows:

1. Switch off the boiler's electrical connection.

2. Shut off the gas supply.

3. Shut off the water supply.

4. Drain the system.

5. Remove the siphon.

6. Remove the air supply/flue gas outlet pipes.

7. Disconnect all pipes on the boiler.

8. Remove the boiler.

13 Spare parts

82 7665063 - v.05 - 18102018

13 Spare parts

13.1 General

Only replace defective or worn boiler parts with original parts or recommended parts.

Send the part to be replaced to the Remeha Quality Control department if the relevant part is covered by the guarantee (see the General Terms of Sale and Delivery).

13.2 Parts

AD-0801151-03

4016

4010

4011

4014

4027

4021

4009

4015

4034

4013

1011

1010

1008

1014

1015

2041

2018

2040

1013

4023

4022

1011 1012

1009

1012

1014

1004

2041

2001

2027

2016

4032

2026

1007

2050

2045

2048

2036

2033

2049

2010

3014

4005 4007

4030 4031

2022

4005

2020

2027

3012

3003

2012

3004

3006

3015

3005

2023

3001

3016

3004

3007

4003

3009

3011

3010

3005

3011

3005

3008

3002

3008

3013

3017

3011

1013

4035

4036

4037

4012

4024

1006

2025

4020

1002

4003

1001

2014

2003

3004

2002

4004

4001

1003

1002

2021

2001

2024

2047

1005

2053

2034

2032

2035

2017

2027

3013

3005

4002

4019

1010

1012 1012

1012

4018

4033

4028

4017

4005

2006

2013

4006

2019

2004

2010

2011

2015

2007

2009

2005

2023

2025

4029

4025

4026

2051

2050

7665063 - v.05 - 18102018 83

Fig.94 Gas 220 Ace 160

13 Spare parts

AD-0801157-03

4010

4005

4014

4026

4027

4021

4009

4015

4034

2041

2018

2040

1015

1010

1008

1011

1012

1013

4016

4023

4022

1011

1012

1009

1010

1012

1004

2041

2027

2026

2001

2016

4032

2028

1007

2045

2048

4020

2047

2036

2033

2049

2010

3014

3012

2023

4005

4006

2022

2012

3006

3001

3016

3008

3007

3011

3005

3004

3002

3005

3010

3011

3003

3008

3013

3009

3017

3011

1013

4036

4037

4012

4024

1006

2025

1002

1001

2014

2003

3004

2002

4003

2034

2032

2035

3015

4002

4001

3004

3005

3018

4004

4003

1003

2021

2001

2024

1005

2017

2027

3013

3005

4019

4018

4033

4028

2006

2023

2004

2013

2010

2011

2015

2007

2009

2005

2020

2027

2019

2020 2027 2019

4005

4007

4030

4031

4029

4025

4011

4013

4035

4017

2050

2053

2051

2050

13 Spare parts

84 7665063 - v.05 - 18102018

Fig.95 Gas 220 Ace 200 - 250 - 300

14 Appendix

7665063 - v.05 - 18102018 85

14 Appendix

14.1 ErP information

14.1.1 Product fiche

Tab.49 Product fiche

Remeha - Gas 220 Ace 160 200 250 300

Seasonal space heating energy efficiency class - - - -

Rated heat output

Seasonal space heating energy efficiency % - - - -

Annual energy consumption GJ - - - -

Sound power level LWA indoors dB - - - -

(Prated or Psup)

kW 152 194 243 291

See For specific precautions in relation to assembly, installation and maintenance: Safety, page 6

14.2 EC Declaration of Conformity

The unit complies with the standard type described in the EC declaration of conformity. It has been manufactured and commissioned in accordance with European directives.

The original declaration of conformity is available from the manufacturer.

14 Appendix

86 7665063 - v.05 - 18102018

14.3 Checklist for commissioning

Tab.50 Checklist

No. Commissioning tasks Confirmation

1 Fill the system with water and check the water pressure

2 Fill the siphon with water

3 Vent the central heating system

4 Check water-side connections for tightness

5 Check type of gas offered. Is the boiler is suitable for the type of gas supplied?

6 Check the gas supply pressure

7 Check the capacity of the gas meter

8 Enter the gas type on the data plate

9 Check the gas tightness of the connections and gas pipes

10 Vent the gas supply pipe

11 If installed: check the setting of the Gps minimum gas pressure switch.

12 If installed: check the setting of the Vps pressure switch for gas leakage control.

13 Check the electrical connections

14 Check the flue gas outlet/air supply connections

15 Check the function and operational status of the boiler

16 Check the air-gas ratio

17 Remove the measuring equipment and close the measuring points

18 Set the boiler regulator to the desired values

19 Instruct the user and hand over the necessary documents

20 Confirm the commissioning

Date . .

Company name, signature of engineer . .

dd-mm-yy

14.4 Checklist for annual maintenance

7665063 - v.05 - 18102018 87

Tab.51 Checklist for annual maintenance

No. Inspection and/or servicing work Confirmation

1 Check the water pressure

2 Check the water quality

3 Check the ionisation current

4 Check the air supply/flue gas discharge connections

5 Check the combustion (O2/CO2) at full load and low load

6 Check the PS air pressure differential switch

7 Check the VPS gas leakage control (if installed)

8 Check the GPS minimum gas pressure switch (if installed)

9 Check the burner and clean the heat exchanger.

10 Clean the condensate collector

11 Clean the siphon

12 Replace the ionisation/ignition electrode

13 Check the non-return valve

14 Install the boiler (replace all gaskets removed)

15 Put the boiler back into operation

16 Confirmation of inspection

Date . .

Company name, signature of engineer . .

dd-mm-yy dd-mm-yy dd-mm-yy

14 Appendix

88 7665063 - v.05 - 18102018

14 Appendix

7665063 - v.05 - 18102018 89

14 Appendix

90 7665063 - v.05 - 18102018

All technical and technological information contained in these technical instructions, as well as any drawings and technical descriptions supplied, remain our property and shall not be multiplied without our prior consent in writing. Subject to alterations.

Remeha Commercial UK

Innovations H ou se 3 Oaklands Bu si ne ss Centre Oaklands Pa rk RG41 2FD Wo ki ng ha m

T +44 (0)118 978 3434

F +44 (0)118 978 6977

E boilers@remeha.co.uk

7665063 - v.05 - 18102018

7665063

REMEHA Gas 220 Ace 220, Gas 220 Ace Series, Gas 220 Ace 160, Gas 220 Ace 250, Gas 220 Ace 300 Installation, User And Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Contents

1 Safety

1.1 General safety instructions

1.2 Recommendations

1.3 Specific safety instructions

1.3.1 Additional guidelines

1.4 Liabilities

Manufacturer's liability

Installer's liability

User's liability

2 About this manual

2.1 General

Additional documentation

Symbols used in the manual

3.1 Homologations

3.1.1 Certifications

3.1.2 Unit categories

3 Technical specifications

Factory test

Technical data

3.3 Dimensions and connections

3.4 Electrical diagram

4 Description of the product

Operating principle

4.1.1 Gas/air regulation

4.1.2 Combustion

4.1.3 Control system

4.1.4 Control

4.1.5 Regulating the water temperature

4.1.6 Protection against shortage of water

4.1.7 Water flow

4.1.8 Hydraulic pressure sensor

4.1.9 Air pressure differential switch

4.1.10 Circulating pump

Calorifier connection

Main components

4.3 Control panel description

4.3.1 What each key means

4.3.2 Meaning of the symbols on the display

4.3.3 Browsing in the menus

4.4 Standard delivery

4.5 Accessories and options

5 Before installation

5.1 Installation regulations

Choice of the location

5.2.1 Data plate

5.2.2 Location of the boiler

Transport

5.4 Unpacking & initial preparation

6.1 General

6 Installation

Preparation

6.2.1 Positioning the boiler

Hydraulic connections

6.3.1 Rinsing the system

6.3.2 Connecting the heating circuit

6.3.3 Connecting the condensate drain pipe

6.4 Gas connection

6.5 Air supply/flue gas outlet connections

6.5.1 Classification

6.5.2 Material

6.5.3 Dimensions of flue gas outlet pipe

6.5.4 Length of the air and flue gas pipes

Room-sealed model (C13, C33, C63, C93)

Connection in different pressure areas (C53)

Reduction table

6.5.5 Additional guidelines

Installation

Condensation

Connecting the flue gas outlet

6.5.7 Connecting the air supply

6.5.8 Specific air and flue gas applications

Electrical connections

6.6.1 Recommendations

6.6.2 Control unit

6.6.3 Assembly of the control panel