Samson TROVIS 5575 Mounting And Operating Instructions

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Automation System TROVIS 5500 Heating and District Heating Controller TROVIS 5575

Electronics from SAMSON

Mounting and Operating Instructions

EB 5575 EN

Firmware version 1.6x Edition January 2007

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Disclaimer of liability

We are constantly developing our products and therefore, reserve the right to change the product or the information contained in this document at any time without notice.

We do not assume any liability for the accuracy or completeness of these mounting and op erating instructions. Moreover, we do not guarantee that the buyer can use the product for an intended purpose. SAMSON rejects any liability for claims by the buyer, especially claims for compensation including lost profits or any other financial loss, except the damage was caused intentionally or by gross negligence. If an essential term of the contract is breached by negligence, SAMSON’s liability is limited to the foreseeable damage.

Safety instructions

The device may only be assembled, started up or operated by trained and

experienced personnel familiar with the product. Proper shipping and appropriate storage are assumed. The controller has been designed for use in electrical power systems. For

wiring and maintenance, you are required to observe the relevant safety regulations.

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Contents

1 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.1 Operating elements. . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.1.1 Rotary pushbutton and changeover key . . . . . . . . . . . . . . . . . 7

1.1.2 Rotary switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.2 Operating modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.3 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.4 Displaying data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.5 Setting the controller time . . . . . . . . . . . . . . . . . . . . . . . 12

1.6 Setting the times-of-use . . . . . . . . . . . . . . . . . . . . . . . . 13

1.7 Setting party mode . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.8 Activating extended operating level . . . . . . . . . . . . . . . . . . 16

1.8.1 Setting public holidays . . . . . . . . . . . . . . . . . . . . . . . . 17

1.8.2 Setting vacation periods . . . . . . . . . . . . . . . . . . . . . . . . 18

1.9 Presetting room and DHW temperature set points. . . . . . . . . . . . 20

2 Start-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.1 Setting the system code number . . . . . . . . . . . . . . . . . . . . 22

2.2 Activating and deactivating functions. . . . . . . . . . . . . . . . . . 23

2.3 Changing parameters . . . . . . . . . . . . . . . . . . . . . . . . . 25

2.4 Calibrating the sensors . . . . . . . . . . . . . . . . . . . . . . . . 26

2.5 Resetting to default values . . . . . . . . . . . . . . . . . . . . . . . 27

3 Manual operation. . . . . . . . . . . . . . . . . . . . . . . . . . . 28

4 Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

5 Functions of the heating circuit . . . . . . . . . . . . . . . . . . . . 50

5.1 Weather-compensated control . . . . . . . . . . . . . . . . . . . . . 50

5.1.1 Gradient characteristic . . . . . . . . . . . . . . . . . . . . . . . . 51

5.1.2 4-point characteristic . . . . . . . . . . . . . . . . . . . . . . . . . 52

5.2 Fixed set point control . . . . . . . . . . . . . . . . . . . . . . . . . 53

5.3 Underfloor heating/drying of jointless floors . . . . . . . . . . . . . . 54

5.4 Deactivation depending on outdoor temperature . . . . . . . . . . . . 56

5.4.1 OT deactivation value in rated operation . . . . . . . . . . . . . . . . 56

5.4.2 OT deactivation value in reduced operation . . . . . . . . . . . . . . 56

5.4.3 OT activation value in rated operation . . . . . . . . . . . . . . . . . 56

5.4.4 Summer mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

5.5 Delayed outdoor temperature adaptation. . . . . . . . . . . . . . . . 57

5.6 Remote operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

5.7 Optimization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

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Contents

5.8 Flash adaptation . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

5.8.1 Flash adaptation without outdoor sensor (room temperature dependent) . 61

5.9 Adaptation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

6 Functions of the DHW circuit. . . . . . . . . . . . . . . . . . . . . . 63

6.1 DHW heating in the storage tank system . . . . . . . . . . . . . . . . 63

6.1.1 DHW circuit additionally controlled by a globe valve . . . . . . . . . . 65

6.2 DHW heating in the storage tank charging system . . . . . . . . . . . 66

6.3 DHW heating in instantaneous heating system . . . . . . . . . . . . . 68

6.4 DHW heating with solar system . . . . . . . . . . . . . . . . . . . . 69

6.5 Intermediate heating operation . . . . . . . . . . . . . . . . . . . . 69

6.6 Parallel pump operation . . . . . . . . . . . . . . . . . . . . . . . . 70

6.7 Circulation pump operation during storage tank charging. . . . . . . . 70

6.8 Priority operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

6.8.1 Reverse control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

6.8.2 Set-back operation . . . . . . . . . . . . . . . . . . . . . . . . . . 71

6.9 Forced charging of the DHW storage tank . . . . . . . . . . . . . . . 71

6.10 Thermal disinfection of the DHW storage tank . . . . . . . . . . . . . 72

7 System-wide functions . . . . . . . . . . . . . . . . . . . . . . . . 74

7.1 Automatic summer time/winter time changeover . . . . . . . . . . . . 74

7.2 Frost protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

7.3 Forced operation of the pumps. . . . . . . . . . . . . . . . . . . . . 75

7.4 Return flow temperature limitation . . . . . . . . . . . . . . . . . . . 75

7.5 Condensate accumulation control . . . . . . . . . . . . . . . . . . . 76

7.6 Three-step control . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

7.7 On/off control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

7.8 Releasing a control circuit over the binary input. . . . . . . . . . . . . 77

7.9 Processing of external demand in Rk1 . . . . . . . . . . . . . . . . . 78

7.10 Flow rate/heat capacity limitation in Rk1. . . . . . . . . . . . . . . . 80

7.10.1 Limitation using pulse input . . . . . . . . . . . . . . . . . . . . . . 80

7.10.2 Limitation using 0/4 to 20 mA signal . . . . . . . . . . . . . . . . . 81

7.10.3 Creep feed rate limitation over binary input . . . . . . . . . . . . . . 82

7.10.4 Limitation of the calculated capacity . . . . . . . . . . . . . . . . . . 82

7.11 Device bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

7.11.1 Requesting and processing an external demand . . . . . . . . . . . . 84

7.11.2 Sending and receiving outdoor temperatures . . . . . . . . . . . . . . 85

7.11.3 Synchronizing the clock . . . . . . . . . . . . . . . . . . . . . . . . 86

7.11.4 Priority over all controllers . . . . . . . . . . . . . . . . . . . . . . . 86

7.11.5 Connecting a TROVIS 5570 Room Panel . . . . . . . . . . . . . . . . 87

7.11.6 Display error alarms issued by the device bus . . . . . . . . . . . . . 87

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Contents

7.12 Feeder pump operation . . . . . . . . . . . . . . . . . . . . . . . . 88

7.13 Locking manual level . . . . . . . . . . . . . . . . . . . . . . . . . 88

7.14 Locking the rotary switches . . . . . . . . . . . . . . . . . . . . . . 88

7.15 Setting a customized key number . . . . . . . . . . . . . . . . . . . 89

8 Operational faults . . . . . . . . . . . . . . . . . . . . . . . . . . 90

8.1 Error list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

8.2 Sensor failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

8.3 Temperature monitoring . . . . . . . . . . . . . . . . . . . . . . . . 91

9 Memory module . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

9.1 Data logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

10 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

11 Electrical connection. . . . . . . . . . . . . . . . . . . . . . . . . . 96

12 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

12.1 Function block lists . . . . . . . . . . . . . . . . . . . . . . . . . . 102

12.2 Parameter lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

12.3 Assignment of the rotary switches. . . . . . . . . . . . . . . . . . . 121

12.4 Sensor resistance tables . . . . . . . . . . . . . . . . . . . . . . . 122

12.5 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

12.6 Customer data. . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

Key number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Frequently used abbreviations . . . . . . . . . . . . . . . . . . . . 137

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Controller versions

The TROVIS 5575 Heating Controller is available in various versions. The type designation registered on the nameplate of the controller indicates the controller version:

Type designation (nameplate) Version

TROVIS 5575-000x Standard controller with illuminated display background and with

TROVIS 5575-001x

TROVIS 5575-002x Controller without illuminated display background and without

device bus Controller with illuminated display background, with device bus

and with an additional pump output

device bus

These instructions apply to all versions of the TROVIS 5575-00xx Heating Controller.

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Operation

1 Operation

The controller is ready for use with the temperatures and operating schedules preset by the manufacturer. On start-up, the current time and date need to be set at the controller (–> section 1.5).

1.1 Operating elements

The operating controls are located in the front panel of the controller and protected by a Plexiglas door.

1.1.1 Rotary pushbutton and changeover key

Rotary pushbutton

Turn q:

Display, select parameters and function blocks Press :

Confirm adjusted selection or settings

Changeover key

(use pen or any other pointed item to press) Press to switch between operating level and configuration/pa-

rameter level

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Operation

1.1.2 Rotary switches

Use the three rotary switches to adjust the desired operating mode (icons on the left) and the relevant parameters (icons on the right). The top and middle switches are assigned to the heating circuits (see page 121). The rotary switch in the middle is not used in systems without a second heating circuit. The bottom switch is assigned to the DHW circuit.

Rotary switch to adjust the operating modes of the heating circuit

Automatic/time-controlled operation with switchover between day and night modes

Day mode (rated operation) Night mode (reduced operation) Control operation deactivated, frost protection only Manual operation: correction value adjusted in percent

and activation/deactivation of the pumps

Rotary switch to adjust the parameters of the heating circuit

Day set point (rated room temperature) Night set point (reduced room temperature) Times-of-use for heating Party mode Controller time: setting current time, date and year

Rotary switch to adjust the operating modes of the DHW circuit

Automatic/time-controlled operation with switchover between times when DHW heating is permissible/impermissible

DHW heating deactivated, frost protection only Manual operation: correction value adjusted in percent

and activation/deactivation of the pumps

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Operation

Rotary switch to adjust the parameters of the DHW circuit

Set point for DHW temperature Times-of-use for DHW heating Times-of-use for DHW circulation pump Party mode

Note!

If several rotary switches are set to “Parameter“ (right side), blinks on the display. The controller cannot be operated.

1.2 Operating modes

Day mode (rated operation)

Regardless of the programmed times-of-use and summer mode, the set points relevant for rated operation are used by the controller.

Night mode (reduced operation)

Regardless of the programmed times-of-use, the set points relevant for reduced operation are used by the controller.

Automatic/time-controlled operation

During the programmed times-of-use, the controller works in rated operation. Outside these times-of-use, the controller is in reduced operation, unless control operation is deactivated depending on the outdoor temperature. The controller switches automatically between both operating modes.

Manual operation

Valves and pumps can be controlled manually (–> section 3).

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Operation

1.3 Display

During operation, the display indicates the current time as well as information about the op eration of the controller. The times-of-use are represented by black squares below the row of numbers at the top of the display. Icons indicate the operating status of the controller.

1 2 3 4 5 6

1 Automatic operation 2 Day mode

(rated operation)

3 Night mode

(reduced operation) 4 Vacation mode 5 Public holiday mode 6 Frost protection 7 Malfunction

STOP

10 11 12 13 14 15 16 17

8 Circulation pump UP1* 9 Valve Rk1: OPEN 10 Valve Rk1: CLOSED 11 Storage tank charging

pump SLP 12 Output bA9* 13 Circulation pump UP5* 14 DHW demand 15 Circulation pump UP2*

16 Valve Rk2: OPEN 17 Valve Rk2: CLOSED 18 Time-of-use 19 Control circuit assignment:

20 OT dependent control

deactivated

19 20

: Heating circuit 1 : Heating circuit 2

* UP1, UP2, SLP, UP5, bA9 indicate possible choices for pump selection in manual operating mode.

Fig. 1 · Icons

The controller status can be displayed in operating level (–> section 1.4).

TROVIS 5575-000x and TROVIS 5575-001x:

An illuminated display indicates that the controller is being operated or a fault exists.

TROVIS 5575-002x:

Version without illuminated display

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1.4 Displaying data

Operation

The time, date, public holidays and vacation periods as well as the temperatures of con nected sensors and their set points can be retrieved and displayed with the help of the rotary pushbutton.

Note! Data can also be viewed in manual operating mode . To do so, select Info, confirm and proceed as described below.

Proceed as follows:

Select value.

Depending on the configuration of the controller, the different data points are dis played:

__:__ Time

Room temperature, heating circuit 1, 2 Outdoor temperature Temperature at flow sensor VF, heating circuit 1, 2 Temperature at flow sensor VF1, primary heat exchanger circuit Temperature at flow sensor VF2, DHW circuit Temperature at solar collector sensor VF3 Temperature at return flow sensor RüF

Temperature at storage tank sensor SF1 Temperature at storage tank sensor SF2 Temperature at storage tank sensor SF2 of the solar circuit Temperature at flow sensor VF4

Compare the set point/limit value and the actual value. Press the rotary pushbutton to display the time and date.

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Operation

1.5 Setting the controller time

The current time and date need to be set immediately after start-up and after a power failure of more than 24 hours has occurred. This is the case when the time blinks on the display.

Proceed as follows:

2423222120191817161514131211109876543210

Turn the top rotary switch to position “Controller time“ (right side). Display shows: time

Edit the controller time.

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

9876543210

Confirm the adjusted time. Display shows: year

Edit the year.

242322212019181716151413121110

Confirm the adjusted year. Display shows: date (day.month)

Edit the date. Confirm the adjusted date.

Display shows: time Return the rotary switch to the desired operating mode

(left side).

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Operation

1.6 Setting the times-of-use

Three times-of-use can be set for each day of the week. If only one time-of-use is required, the start and stop times of the second time-of-use must be adjusted to identical values. In this case, the third time-of-use is not displayed. If only two times-of-use are required, the start and stop times of the third time-of-use must be adjusted to identical values.

The times-of-use for the different control circuits are adjusted at the rotary switches one after the other:

Times-of-use Rotary switch Position

Heating circuit 1* Top Heating circuit 2* Middle DHW heating* Bottom Circulation pump Bottom

* Refer to page 121 for assignment

Parameters

Time period/day 1–7 1–7, 1, 2, 3, 4, 5, 6, 7 with 1–7 = daily,

Start first time-of-use 06:00 00:00 to 24:00 h; in steps of 15 minutes Stop first time-of-use 22:00 00:00 to 24:00 h; in steps of 15 minutes Start second time-of-use 22:15 00:00 to 24:00 h; in steps of 15 minutes Stop second time-of-use 22:15 00:00 to 24:00 h; in steps of 15 minutes Start third time-of-use – 00:00 to 24:00 h; in steps of 15 minutes Stop third time-of-use – 00:00 to 24:00 h; in steps of 15 minutes * Default values (WE) valid for heating circuit 1/primary heat exchanger circuit (top rotary switch)

WE* Range of values

1 = Monday, 2 = Tuesday, …, 7 = Sunday

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Operation

Proceed as follows: Turn appropriate rotary switch to position

“Times-of-use”.

1–7

0123456789101112131415161718192021222324

Display shows: Select period/day for which the times-of-use are to be

valid: 1–7 = every day, 1 = Monday, 2 = Tuesday, ..., 7 = Sunday

0123456789101112131415161718192021222324

START

0123456789101112131415161718192021222324

STOP

Activate editing mode for period/day.

START

Display shows: Edit start time (steps of 15 minutes).

, blinks

Confirm start time. Display shows:

Edit stop time (steps of 15 minutes).

STOP

Confirm stop time. Display shows:

START

The second time-of-use is set like the first time-of-use. To set the times-of-use for each day, repeat the instructions in the fields highlighted in gray. Return the rotary switch to the desired operating mode (left side).

Note!

Do not use the 1–7 menu to check the programmed times-of-use. If this menu is opened after the times-of-use have been programmed, the schedule program med for Monday is also adopted for all other days of the week.

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Operation

1.7 Setting party mode

Using the Party mode function, the controller continues or activates rated operation of the controller during the time when the party timer is active, regardless of the adjusted times-of-use. The party timer begins when the rotary switch has been returned to operating mode “Automatic“. When the party timer has elapsed, the party function is reset to 00:00.

The party modes for the different control circuits are adjusted at the rotary switches one after the other:

Party timer Rotary switch Position Heating circuit 1* Top Heating circuit 2* Middle DHW circuit* Bottom

* Refer to page 121 for assignment

Parameter

Continue/activate rated operation 0 h 0 to 48 h

Proceed as follows:

Turn appropriate rotary switch to “Party mode“.

00:00

Display shows:

Edit desired length of the one-off time-of-use. Return the rotary switch to operating mode “Automatic“ (left side).

or the remaining time of the adjusted party timer

WE Range of values

Note!

The time elapsing on the party timer is displayed in steps of 15 minutes.

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Operation

1.8 Activating extended operating level

After the key number 1999 has been adjusted, the following information can be viewed and edited after the data points listed in section 1.4 have been displayed:

Flow rate

Heat capacity

Public holidays “ “ (editable)

Vacation periods “ “ (editable)

Valve positions

Switching states of the binary inputs

Info 2 · The following data are shown in the same sequence as shown below:

Controller ID Memory capacity of data logging module (section 9.1) 255 Operating hours of solar circuit pump (refer to section 6.4) Water flowmeter (refer to section 6.3)

Opening the extended operating level:

Switch to configuration and parameter level. Display shows:

Set key number 1999. Confirm key number.

Display shows: time

0 0 0 0

Note!

The additional information is no longer displayed when the key number 1999 is adjusted again.

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Operation

1.8.1 Setting public holidays

On public holidays, the times-of-use specified for Sunday apply. A maximum of 20 public holidays may be entered.

Parameter

Public holidays – Extended operating level / 01.01 (1 Jan) to 31.12 (31 Dec)

Proceed as follows:

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

To enter additional public holidays, re-select lighted in gray.

Exit data point “Public holidays“.

WE Level / Range of values

In extended operating mode, select “Public holidays“.

Display shows: Open data point “Public holidays“. If applicable, select

Activate editing mode for public holiday. blinks. Edit desired public holiday.

Confirm public holiday.

– – – –

and repeat the steps in the fields high-

Note! Public holidays can also be adjusted in parameter level PA5 (–> section 2.3).

Deleting a public holiday:

Under data point “Public holidays“, select the holiday you wish to delete. Confirm selection.

Select

– – – –

Delete the public holiday.

Note!

Public holidays that are not assigned to a specific date should be deleted by the end of the year so that they are not carried on into the following year.

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Operation

1.8.2 Setting vacation periods

During vacation periods, the controller constantly remains in reduced operating mode. A maximum of 10 vacation periods can be entered. Each vacation period can be assigned separately to the heating circuits Rk1 to Rk2 and/or to the DHW circuit.

Parameter

Vacation period (START, STOP) – Extended operating level / 01.01 to 31.12

Proceed as follows:

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

To enter additional vacation periods, re-select highlighted in gray.

WE Level / Range of values

In extended operating level, select “Vacation periods“.

Display shows:

Open data point “Vacation periods“.

START

Display shows:

If applicable, select

Activate editing mode for start date of vacation period.

blinks.

Edit start date of vacation period.

Confirm start date of vacation period.

Edit end of vacation period.

Display shows:

Confirm end date of the vacation period.

Black squares under 1 to 4 at the top of the display

indicate the assignment of the vacation periods to the

individual heating circuits.

Select the control circuit to which the current vacation

period should apply.

Current vacation period applies to circuit Rk1 Current vacation period applies to circuit Rk2

–

Current vacation period applies to DHW circuit The vacation period can be assigned to a single control circuit or any combination of all three control circuits (Rk1 to Rk2, DHW circuit).

– – – –

, – –.– – (day.month)

– – – –

STOP, – –.– –

and repeat the steps in the fields

(day.month)

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Operation

Exit data point “Vacation periods“.

Note! Vacation periods can also be adjusted in parameter level PA5 (–> section 2.3).

Deleting vacation periods:

Under “Vacation periods“, select the start date of the period you wish to delete.

Confirm selection. Select

– – – –

Delete vacation period.

Note!

Vacation periods should be deleted by the end of the year so that they are not carried on into the following year.

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Operation

1.9 Presetting room and DHW temperature set points

For the heating circuits, the desired room temperatures during the day ( during the night ( In the DHW circuit, the temperature you wish the DHW to be heated to can be adjusted.

The temperature set points for the different control circuits are adjusted at the rotary switches one after the other:

Desired temperature set point Switch Position Heating circuit 1*: Day set point Top Heating circuit 1*: Night set point Top Heating circuit 2*: Day set point Middle Heating circuit 2*: Night set point Middle DHW circuit*: DHW temperature set point Bottom

* Refer to page 121 for assignment

Parameter

Day set point 20 °C Top, middle / 0 to 40 °C Night set point 15 °C Top, middle / 0 to 40 °C DHW temperature set point 55 °C Bottom / Min. to max. DHW temperature

Proceed as follows:

Turn appropriate rotary switch to “Set point temperature“. Display shows: temperature value

Change temperature value.

Return the rotary switch to the desired operating mode (left side).

Night set point

) can be preset.

WE Rotary switch / Range of values

Day set point

) and

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Operating level

(refer to section 1 on

time display and

operation)

Operation

& Key number

End PA1

Configuration and

parameterization level

CO7

PA1/CO1: Heating circuit Rk1 ( ) PA2/CO2: Heating circuit Rk2 ( ) PA4/CO4: DHW heating PA5/CO5: System-wide

CO7: Device bus

Anl: System code number

Fig. 2 · Level structure of TROVIS 5575

TROVIS 5575-002x:

Version without device bus: Settings in CO7 level do not apply.

(refer to section 2 on start-up)

CO1

CO4CO5

CO1CO2

PA2Anl

PA4

PA5CO7

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Start-up

2 Start-up

The modifications of the controller configuration and parameter settings described in this sec tion can only be performed after the valid key number has been adjusted.

The valid key number for initial start-up can be found on page 134. To avoid unauthorized use of the key number, remove the page or make the key number unreadable. In addition, it is possible to adjust a new, customized key number (–> section 7.15).

2.1 Setting the system code number

21 different hydraulic schemes are available in the TROVIS 5575-000x standard version and in the TROVIS 5575-002x version. The TROVIS 5575-001x version has two additional hydraulic schemes. Each system configuration is represented by a system code number. The different schematics are dealt with in section 4. Available controller functions are described in sections 5, 6 and 7.

Changing the system code number resets previously adjusted function blocks to their default values (WE). Function block parameters and parameter level settings remain unchanged. The system code number is adjusted in configuration level.

Proceed as follows:

Switch to configuration and parameter level. Display shows:

Set valid key number. Confirm key number.

Display shows:

Select

Anl.

Activate editing mode for the system code number.

Edit system code number. Confirm system code number.

Display shows: Return to operating level.

0 0 0 0

PA1

End

22 EB 5575 EN

Page 23

Start-up

2.2 Activating and deactivating functions

A function is activated via the associated function block. The numbers 0 to 24 in the top row of the display represent the respective function block numbers. When a configuration level is opened, the activated function blocks are indicated by a black square on the right-hand side below the function block number. For more details on function blocks, refer to section 12.1.

The functions are grouped by topics:

CO1: Heating circuit Rk1 ( )

CO2: Heating circuit Rk2 ( )

CO3: Not used

CO4: DHW heating

CO5: System-wide functions

CO6: Not used

CO7: Device bus

Proceed as follows:

Switch to configuration and parameter level. Display shows:

Set valid key number. Confirm key number.

Display shows:

Select configuration level (-> Fig. 2). Open configuration level.

Select function block. Activated function blocks are marked by “- 1“. Deactivated function blocks are marked by “- 0“.

Activate editing mode for the function block.

F__

blinks.

Activate the function block. Display shows: An activated function block is indicated by a black square below (right) the function block number in the top row of the controller display.

Or:

0 0 0 0

PA1

F__ - 1

EB 5575 EN 23

Page 24

Start-up

Deactivate the function block.

Display shows:

To adjust additional function blocks, repeat the steps in the fields highlighted in gray.

Confirm settings. If the function block is not closed, further function block parameters can be adjusted. Proceed as follows: Make the desired changes and confirm. If applicable, the next function block parameter is displayed. Confirm all parameters to exit the opened function block.

Select

End

Exit configuration level. Select

End

Return to operating level.

F__ - 0

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Page 25

2.3 Changing parameters

Start-up

Depending on the adjusted system code number and the activated functions, not all parame ters listed in the parameter list in the Appendix (–> section 12.2) might be available. The parameters are grouped by topics:

PA1: Heating circuit Rk1 ( )

PA2: Heating circuit Rk2 ( )

PA3: Not used

PA4: DHW heating

PA5: System-wide functions

PA6: Not used

PA7: Not used

Proceed as follows:

Switch to configuration and parameter level. Display shows:

Set valid key number.

Confirm key number. Display shows:

Select parameter level (-> Fig. 2). Open parameter level.

Select desired parameter. Activate editing mode for the parameter.

Edit the parameter. Confirm the parameter.

To adjust additional parameters, repeat the steps in the fields highlighted in gray.

Select

End

Exit parameter level.

Select

End

Return to operating level.

0 0 0 0

PA1

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Page 26

Start-up

2.4 Calibrating the sensors

The connected sensors are calibrated in configuration level CO5. The following applies:

CO5 -> F01 - 1 and CO5 -> F02 - 0: Pt 1000 (Pt 100) sensors (default setting)

CO5 -> F01 - 0 and CO5 -> F02 - 0: PTC (Pt 100) sensors

CO5 -> F01 - 0 and CO5 -> F02 - 1: NTC (Pt 100) sensors

CO5 -> F01 - 1 and CO5 -> F02 - 1: Ni 1000 (Pt 100) sensors

The resistance values of the sensors can be found on page 122. If the temperature values displayed at the controller differ from the actual temperatures, the

measured values of all connected sensors can be changed or readjusted. To calibrate a sen sor, the currently displayed sensor value must be changed such that it corresponds with a temperature value (reference value) measured directly at the point of measurement. Sensor calibration is to be activated in CO5 via function block F20. An improper sensor calibration can be deleted by setting F20 - 0.

Proceed as follows:

Switch to configuration and parameter level. Display shows:

Set valid key number. Confirm key number. Display shows:

Select configuration level CO5. Open configuration level CO5.

Select function block F20. Activate editing mode for function block F20.

Select appropriate sensor icon:

Room sensor RF, heating circuits 1, 2

Outdoor sensor AF1

Flow sensor VF, heating circuits 1, 2

Flow sensor VF1, primary heat exchanger circuit

Flow sensor VF2, DHW circuit

Solar collector sensor VF3

26 EB 5575 EN

PA1

0 0 0 0

Page 27

Return flow sensor RüF

Storage sensor SF1

Storage sensor SF2

Storage sensor SF2 for solar circuit

Flow sensor VF4

Display measured value. Measured value blinks.

Correct measured value.

Read the actual temperature directly from the thermometer at the point of measurement and enter this value as reference temperature.

Confirm corrected measured value.

Additional sensors are calibrated similarly.

q Select

q q

End

. Exit configuration level. Select

End

Return to operating level.

Start-up

2.5 Resetting to default values

All parameters in parameter levels PA1, PA2 and PA5 adjusted with the rotary switches, ex cept for the maximum flow temperature and the return flow limiting temperature in PA1/PA2, can be reset to their default values (WE).

Proceed as follows:

Switch to configuration and parameter level.

Set key number 1991. Confirm key number.

Note! Resetting the parameters to their default values generates an “Err 2“ alarm, which is automatically reset shortly after midnight.

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Page 28

Manual operation

3 Manual operation

Switch to manual operating mode to configure all outputs (see wiring diagram in sec tion 11).

Manual operation for the different control circuits is adjusted at the rotary switches:

Manual operation Rotary switch Position Heating circuit 1* Top Heating circuit 2* Middle DHW circuit* Bottom

* Refer to page 121 for assignment

Proceed as follows:

Turn appropriate rotary switch to “Manual operation“.

Select:

POS_ : Correction value in percent UP_: Activation of the circulation pump SLP: Activation of the storage tank charging pump

Confirm selection. Display blinks.

Edit the correction value or activate/deactivate the circulation pump etc. Confirm edited settings.

The modified values remain active as long as the controller is in manual mode.

Return the rotary switch to the desired operating mode (left side).

Manual operation of the selected control circuit is deactivated by switching to any other operating mode.

Note!

Simply setting the rotary switch to “Manual operation“ does not have any affect on the outputs. You have to actually enter a correction value or activate/deactivate the pumps to configure the outputs. In manual operating mode, frost protection (–> section 7.2) is not activated.

28 EB 5575 EN

Page 29

Systems

4 Systems

21 (23 in TROVIS 5575-001x) different hydraulic schemes are available. The systems can be designed as primary or secondary systems. The fundamental hydraulic differences between a primary and a secondary system are illustrated in Fig. 3.

1. A mixing valve replaces the heat exchanger in the heating/DHW circuit

2. A storage tank charging pump replaces the primary solenoid/thermoelectric valve

The controller settings do not have to be changed.

Primary system

RüF1 VF1UP1RK1 RK1RF1 VF1UP1 RüF1 RF1

BE BA AE RK

Secondary system

BE BA AE RK

Primary system

BE BA AE RK

Secondary system

SF1SLP

BE BA AE RK

Fig. 3 · Differences between primary and secondary systems

SF1SLP

EB 5575 EN 29

Page 30

Systems

Boiler systems:

Single-stage boiler systems can be configured to include any system whose heating circuits and DHW circuit include just one heat exchanger. These systems are Anl 1.0, 1.5, 1.6, 2.x,

3.0, 4.0 and 4.1. The boiler can be controlled by an on/off output (CO1 -> F12 - 0).

Boiler

single-stage

RK1 RüF1 VF1 UP1 RF1

BE BA

AE RK

Fig. 4 · Configuration of a boiler system

RK1_2 Pkt VF1 UP1 RF1

BE BA

AE RK

30 EB 5575 EN

Page 31

System Anl 1.0 (all versions of TROVIS 5575-00xx)

Systems

VF4 SF1

BE BA

BA AE

AE RK

RK1

RüF1 VF1

UP1RK1

RüF1

UP1 VF1

RF1

Default settings

CO1 -> F01 - 0 (without RF1) CO1 -> F02 - 1 (with AF1) CO1 -> F03 - 1 (with RüF1)

SF2

AF1

ZP SLP

EB 5575 EN 31

Page 32

Systems

Systems Anl 1.1 to 1.3 (all versions of TROVIS 5575-00xx)

Unfold back cover!

DHW

heating

UP1 XX

BE BA AE RK

AF1 RK1 VF1 RüF1 RF1

System Anl 1.1 Anl 1.2 Anl 1.3

Type of DHW heating Type 1 Type 2 Type 3

XX = SLP BA9 SLP Integration of flow sensor VF4 Possible Possible – ZP integration with CO4 ->

F10 - 1 (broken line, see cover)

Note –

– Not possible –

Only secondary

system

–

Default setting

CO1 -> F01 - 0 (without RF1) - 0 (without RF1) - 0 (without RF1) CO1 -> F02 - 1 (with AF1) - 1 (with AF1) - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) - 0 (without RüF1) - 1 (with RüF1) CO4 -> F01 - 1 (with SF1) - 1 (with SF1) - 1 (with SF1) CO4 -> F02 - 0 (without SF2) - 1 (with SF2) - 0 (without SF2) CO4 -> F05 - 0 (without VF4) - 0 (without VF4) - 0 (without VF4)

32 EB 5575 EN

Page 33

System Anl 1.5 (all versions of TROVIS 5575-00xx)

Systems

SLP

BE BA AE RK

RK1

RüF1

VF1 SF1

Default setting

CO1 -> F03 - 1 (with RüF1) CO4 -> F01 - 1 (with SF1) CO4 -> F02 - 0 (without SF2)

EB 5575 EN 33

Page 34

Systems

System Anl 1.6 (all versions of TROVIS 5575-00xx)

RK1

UP1 VF1

RüF1

BE BA AE RK

System Anl 1.6

With pre-control

VF4 SF1

SF2

Anl 1.6

Without pre-control

Integration of VF4, UP1 Possible Not possible ZP integration with CO4 ->

F10 - 1 (broken line, see cover)

Possible Possible

– VF1 takes the position of VF4;

Note

RüF1 is to be installed in the heat exchanger

Default setting

CO1 -> F03 - 1 (with RüF1) CO4 -> F01 - 1 (with SF1) CO4 -> F02 - 1 (with SF2) CO4 -> F05 - 0 (without VF4)

ZP SLP

34 EB 5575 EN

Page 35

Systems

System Anl 1.9 (all versions of TROVIS 5575-00xx)

Default setting

CO4 -> F01 - 0 (without SF1) CO4 -> F03 - 0 (without RüF2) CO4 -> F04 - 0 (without water flowmeter connected to terminals 03/13)

EB 5575 EN 35

Page 36

Systems

System Anl 2.0 (all versions of TROVIS 5575-00xx)

RK1

RüF1 VF1

BE BA AE RK

UP1

BA9

RF1

Default setting

CO1 -> F01 - 0 (without RF1) CO1 -> F02 - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) CO4 -> F01 - 1 (with SF1) CO4 -> F02 - 0 (without SF2)

AF1ZP

SF1

36 EB 5575 EN

Page 37

Systems Anl 2.1 to 2.3 (all versions of TROVIS 5575-00xx)

Systems

DHW

heating

Unfold back cover!

BE BA AE RK

UP1RK1

RüF1 VF1

RF1

AF1

System Anl 2.1 Anl 2.2 Anl 2.3

Type of DHW heating Type 1 Type 2 Type 3

XX = SLP BA9 SLP Integration of flow sensor VF4 Not possible Possible – ZP integration with CO4 ->

F10 - 1 (broken line, see cover)

– Not possible –

Default setting

CO1 -> F01 - 0 (without RF1) - 0 (without RF1) - 0 (without RF1) CO1 -> F02 - 1 (with AF1) - 1 (with AF1) - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) - 1 (with RüF1) - 1 (with RüF1) CO4 -> F01 - 1 (with SF1) - 1 (with SF1) - 1 (with SF1) CO4 -> F02 - 0 (without SF2) - 1 (with SF2) CO4 -> F05 - 0 (without VF4)

EB 5575 EN 37

Page 38

Systems

System Anl 3.0 (all versions of TROVIS 5575-00xx)

RK2RK1

RüF1 VF1 UP2

BE BA AE RK

RüF2UP1 UP1

VF2

RF2

Default setting

CO1 -> F02 - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) CO2 -> F01 - 0 (without RF2) CO2 -> F03 - 0 (without RüF2)

AF1

38 EB 5575 EN

Page 39

System Anl 3.1 (TROVIS 5575-001x version only)

VF1

RK2RK1

RüF1

BE BA AE RK

UP2

Default setting

CO1 -> F02 - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) CO2 -> F01 - 0 (without RF2) CO2 -> F03 - 0 (without RüF2) CO4 -> F01 - 1 (with SF1) CO4 -> F02 - 0 (without SF2)

RüF2 SLP

VF2

RF2

Systems

SF1

AF1

EB 5575 EN 39

Page 40

Systems

System Anl 3.2 (TROVIS 5575-001x version only)

RK2RK1

VF1

RüF1

BE BA AE RK

UP2

Default setting

CO1 -> F02 - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) CO2 -> F01 - 0 (without RF2) CO2 -> F03 - 0 (without RüF2) CO4 -> F01 - 1 (with SF1) CO4 -> F02 - 1 (with SF2)

RüF2 UP1

VF2

RF2

SLP

SF2

SF1

AF1

40 EB 5575 EN

Page 41

System Anl 3.5 (all versions of TROVIS 5575-00xx)

RK1/Y1 UP1

RüF1 VF1

BE BA AE RK

Systems

Note

Control and UP1 are only active during the processing of an external demand.

Default setting

CO1 -> F03 - 1 (with RüF1)

EB 5575 EN 41

Page 42

Systems

System Anl 4.0 (all versions of TROVIS 5575-00xx)

VF1

BE BA AE RK

RüF1

RK2RK1

UP2

VF2

RüF2

RF2

UP1

RF1

Default setting

CO1 -> F01 - 0 (without RF1) CO1 -> F02 - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) CO2 -> F01 - 0 (without RF2) CO2 -> F03 - 0 (without RüF2)

AF1

42 EB 5575 EN

Page 43

System Anl 4.1 (all versions of TROVIS 5575-00xx)

VF1

BE BA AE RK

RüF1

RK2RK1

UP2

VF2

RüF2

RF2

UP1

RF1

SLP ZP* SF1

Systems

AF1

* Note

The circulation pump ZP can only be controlled with the TROVIS 5575-001x version.

Default setting

CO1 -> F01 - 0 (without RF1) CO1 -> F02 - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) CO2 -> F01 - 0 (without RF2) CO2 -> F03 - 0 (without RüF2) CO4 -> F01 - 1 (with SF1) CO4 -> F02 - 0 (without SF2)

EB 5575 EN 43

Page 44

Systems

System Anl 4.5 (all versions of TROVIS 5575-00xx)

VF1

BE BA AE RK

RüF1

RK2RK1

UP2

VF2

RüF2

RF2

UP1

RF1

AF1

SF1SLP ZP*

* Note

The circulation pump ZP can only be controlled with the TROVIS 5575-001x version.

Default setting

CO1 -> F01 - 0 (without RF1) CO1 -> F02 - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) CO2 -> F01 - 0 (without RF2) CO2 -> F03 - 0 (without RüF2) CO4 -> F01 - 1 (with SF1) CO4 -> F02 - 0 (without SF2)

44 EB 5575 EN

Page 45

System Anl 10.0 (all versions of TROVIS 5575-00xx)

Systems

BE BA AE RK

VF2

VF1

UP2RK2

UP1RK1

RF1RüF2

RF2

Default setting

CO1 -> F01 - 0 (without RF1) CO1 -> F02 - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) CO2 -> F01 - 0 (without RF2) CO2 -> F03 - 1 (with RüF2)

AF1RüF1

EB 5575 EN 45

Page 46

Systems

System Anl 11.0 (all versions of TROVIS 5575-00xx)

VF1 UP1RK1 RK2 RF1

BE BA AE RK

Default setting

CO1 -> F01 - 0 (without RF1) CO1 -> F02 - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) CO4 -> F03 - 0 (without RüF2)

AF1RüF1

SF1ZPRüF2

46 EB 5575 EN

Page 47

System Anl 11.1 (all versions of TROVIS 5575-00xx)

UP1 RK1 VF1 RüF1 RF1 AF1 ZP SLPRüF2 VF2 SF1RK2

BE BA AE RK

Default setting

CO1 -> F01 - 0 (without RF1) CO1 -> F02 - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) CO4 -> F01 - 1 (with SF1) CO4 -> F02 - 0 (without SF2) CO4 -> F03 - 0 (without RüF2)

Systems

EB 5575 EN 47

Page 48

Systems

System Anl 11.2 (all versions of TROVIS 5575-00xx)

RK2 RF1

RK1

BE BA AE RK

UP1 SF1

RüF2

VF2

Default setting

CO1 -> F01 - 0 (without RF1) CO1 -> F02 - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) CO4 -> F01 - 1 (with SF1) CO4 -> F02 - 1 (with SF2) CO4 -> F03 - 0 (without RüF2)

SF2

AF1

ZP SLPRüF1 VF1

48 EB 5575 EN

Page 49

Systems

System Anl 11.9 (all versions of TROVIS 5575-00xx)

Default setting

CO1 -> F01 - 0 (without RF1) CO1 -> F02 - 1 (with AF1) CO1 -> F03 - 1 (with RüF1) CO4 -> F01 - 0 (without SF1) CO4 -> F03 - 0 (without RüF2) CO4 -> F04 - 0 (without water flowmeter connected to terminals 03/13)

EB 5575 EN 49

Page 50

Functions of the heating circuit

5 Functions of the heating circuit

Which controller functions are available depends on the selected system code number (Anl).

5.1 Weather-compensated control

When weather-compensated control is used, the flow temperature is adjusted depending on the outdoor temperature. The heating characteristic in the controller defines the flow temper ature set point as a function of the outdoor temperature (–> Fig. 5). The outdoor temperature required for weather-compensated control can either be measured at an outdoor sensor or transmitted from a connected device bus.

[˚C]

130

120

110

100

60 50

Fig. 5 · Gradient characteristics

2.62.93.2

2.4

2.2

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

-20 [

-16-12-8-4048121620

Flow temperature Outdoor temperature

Functions

WE Configuration Outdoor sensor AF1 1 CO1 -> F02 - 1 Receive value from AF2 0 CO7 -> F09 - 1; register no.

50 EB 5575 EN

Page 51

Functions of the heating circuit

TROVIS 5575-000x and TROVIS 5575-001x:

The outdoor temperature is alternatively received over the device bus when the following configurations are made: CO7 -> F01- 1 and CO7 -> F07 - 1 An outdoor temperature input independent from AF1 can be sent over the device bus for a second heating circuit following configurations are made: CO2 -> F02 - 1 and CO7 -> F09 -> 1 A second outdoor sensor cannot be connected.

TROVIS 5575-002x:

Version without device bus: The outdoor temperature can be only be measured directly over the outdoor sensor AF.

5.1.1 Gradient characteristic

Basically, the following rule applies: a decrease in the outdoor temperature causes the flow temperature to increase. By varying the parameters characteristic to your individual requirements. Increasing temperature, decreasing forms a parallel transport of the heating characteristic in upward or downward direction. Outside the times-of-use, reduced set points are used for control: The reduced flow set point is calculated as the difference between the adjusted values for

Day set point

The parameters limits of the flow temperature. A separate gradient characteristic can be selected for the limi tation of the return flow temperature.

Examples for adjusting the characteristic:

Old building, radiator design 90/70: Gradient approx. 1.8

New building, radiator design 70/55: Gradient approx. 1.4

New building, radiator design 55/45: Gradient approx. 1.0

Underfloor heating depending on arrangement: Gradient smaller 0.5

(rated room temperature) and

Max. flow temperature

Gradient

in a lower flow temperature. The parameter

and

Gradient

Night set point (reduced room temperature).

Min. flow temperature

and

Gradient

Level

, you can adapt the

results in a higher flow

Level

per-

mark the upper and lower

Note!

Particularly for control operation without room sensor, the adjusted room temperatures for day (Day set point) and night (Night set point) only become effective satisfactorily when the heating characteristic has been adapted to the building/heating surface layout.

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Page 52

Functions of the heating circuit

Functions

WE Configuration 4-point characteristic 0 CO1, 2 -> F11 - 0

Parameters

WE Rotary switch / Range of values Day set point 20 °C Top, middle / 0 to 40 °C Night set point 15 °C Top, middle / 0 to 40 °C

Parameters

WE Parameter level / Range of values Gradient, flow 1,8* PA1, 2 / 0.2 to 3.2 Level, flow 0 °C PA1, 2 / –30 to 30 °C Min. flow temperature 20 °C PA1, 2 / 5 to 130 °C Max. flow temperature 90 °C* PA1, 2 / 5 to 130 °C * With CO1, 2 -> F05 - 1, the following applies: Gradient, flow / 0.2 to 1.0 (1.0)

Max. flow temperature / 5 to 50 °C (50 °C)

5.1.2 4-point characteristic

The 4-point characteristic allows you to define your own heating characteristic. It is defined by 4 points each for the

and the

flow temperature Min. flow temperature

[˚C]

100

VLmax

90 80 70 60 50 40 30

VLmin

20 10

Fig. 6 · 4-point characteristic

Return flow temperature

mark the upper and lower limits of the flow temperature.

Outdoor temperature

. The parameters

, the

Flow temperature,

Max. flow temperature

P1 to P4 Points 1 to 4 t

... min Min. t ...max Max. t

Flow temperature Outdoor temperature

4-point characteristic Reduced 4-point characteristic

[˚C]20 15 10 5 0 –5 –10 –15 –20

the

Reduced

and

52 EB 5575 EN

Page 53

Functions of the heating circuit

Note!

The parameters

Day set point

and

Night set point

s are no longer available when the 4-point

characteristic has been selected, provided no additional functions (e.g. Optimization, Flash

adaptation) have been selected.

Functions

4-point characteristic 0 CO1, 2 -> F11 - 1

Parameters

Outdoor temperature

Flow temperature Point 1

Reduced flow temperature

Return flow temperature

Min. flow temperature 20 °C PA1, 2 / 5 to 130 °C Max. flow temperature 90 °C* PA1, 2 / 5 to 130 °C * *With CO1, 2 -> F05 - 1, the following applies: Max. flow temperature / 5 to 50 °C (50 °C)

Point 1 Point 2 Point 3 Point 4

Point 2 Point 3 Point 4

Point 1 Point 2 Point 3 Point 4

Point 1 to 4 65 °C PA1, 2 / 5 to 90 °C

WE Configuration

WE Parameter level / Range of values –15 °C

–5 °C

5°C

15 °C 70 °C

55 °C 40 °C 25 °C

60 °C 40 °C 20 °C 20 °C

PA1, 2 / –40 to 50 °C

PA1, 2 / 5 to 130 °C

Note!

The 4-point characteristic function can only be activated when the Adaptation function is not active (CO1, 2 -> F08 - 0).

5.2 Fixed set point control

During the times-of-use, the flow temperature can be controlled according to a fixed set point. Outside the times of use, the controller adjusts the reduced flow temperature. Set the desired rated flow temperature as

Night set point

Day set point

, and the reduced flow temperature

EB 5575 EN 53

Page 54

Functions of the heating circuit

Functions

Outdoor sensor AF1 1 CO1 -> F02 - 0

Parameter

Day set point 50 °C Top, middle / Min. to max. flow temperature Night set point 30 °C Top, middle / Min. to max. flow temperature

Parameters

Min. flow temperature 20 °C PA1, 2 / 5 to 130 °C Max. flow temperature 90 °C PA1, 2 / 5 to 130 °C

WE Configuration

WE Rotary switch / Range of values

WE Parameter level / Range of values

Note!

A fixed set point control in heating circuit 2 with CO2 -> F02 - 0 can only be configured if CO1 -> F02 - 0 is set as well, because the heating circuit 2 with CO2 -> F02 - 0 only uses the measured outdoor temperature provided by heating circuit 1.

5.3 Underfloor heating/drying of jointless floors

Using function block setting CO1, 2 -> F05 - 1, the respective heating circuit is configured as an underfloor heating circuit. In doing so, the controller at first only limits the range of values of the heating characteristic gradient and the maximum flow temperature in parameter levels PA1, 2:

Range of values of the gradient: 0.2 to1.0

Range of values of the maximum flow temperature: 5 to 50 °C

In addition, it is possible to activate the Drying of jointless floors function. In connection with this, the function block parameters are listed which appear after activating this function block. They determine the drying process: the first heating up phase always starts with a flow temperature of 25 °C. In the course of 24 hours, this temperature is raised by the value en tered in within the first 24 hours. If the number of days entered in

duction

to 0, the temperature maintaining phase moves directly to automatic mode.

Temperature rise

determines the temperature reduction downwards. If the

, i.e. the default setting causes the temperature to rise to 30 °C

Maximum temperature

Maintaining time for maximum temperature

is reached, it is kept constant for the

. The

Temperature re

Temperature reduction

is set

54 EB 5575 EN

Page 55

Functions of the heating circuit

The drying function is activated by changing the setting

. The course of the drying process can be monitored in the information level over the

duction

STOPtoSTART

after

Temperature re

icon of flow temperature display ( ) of the associated heating circuit:

Temperature build-up phase

Temperature maintaining phase

Temperature reducing phase

The drying process has been successfully completed when the additional icon in the flow temperature display goes out after the last phase without the operating fault appearing.

STOP

on the display indicates that there has been a deviation of flow temperature of more than 5 °C for longer than 30 minutes. The function is canceled by the controller in such cases. While

appears on the display, the controller keeps the flow temperature con

STOP

stant at 25 °C. A power failure while the drying function is active or when

STOP

appears on the display automatically leads to the drying function restarting. In systems in which the drying function had to be interrupted due to DHW heating (e.g. Anl 2.1, 4.1), storage tank charging does not occur while the drying function is active, provided it is not used for frost protection of the storage tank.

Note!

The function block parameter can only be accessed when the function has started by deactivating the function block and activating it again.

Functions WE Configuration Underfloor heating

Drying of jointless floors

0 5 °C/24 h

45 °C 4 0 °C/24 h STOP

CO1, 2 -> F05 - 1 Temperature rise / 1 to 10 °C/24 h

Maximum temperature / 25 to 60 °C Maintaining time for max. temperature / 1 to 10 days Temperature reduction / 0 to 10 °C/24 h START

EB 5575 EN 55

Page 56

Functions of the heating circuit

5.4 Deactivation depending on outdoor temperature

5.4.1 OT deactivation value in rated operation

If the outdoor temperature exceeds the limit entered in

, the heating circuit concerned is put out of service immediately. The valve is closed and the

tion

OT deactivation value in rated opera

pump is switched off after t = 2 x valve transit time. Heating operation is restarted immediately when the outdoor temperature falls below this value (less 0.5 °C hysteresis). With the default settings, this means that, during the warm season, the system is switched off at an outdoor temperature of 22 °C.

Parameter

OT deactivation value in rated operation

WE Parameter level / Range of values 22 °C PA1, 2 / 0 to 50 °C

5.4.2 OT deactivation value in reduced operation

If the outdoor temperature exceeds the limit value the heating circuit concerned is put out of service immediately. The valve is closed and the pump is switched off after t = 2 x valve transit time. Heating operation is restarted immediately when the outdoor temperature falls below this value (less 0.5 °C hysteresis). With the default settings, this means that, at night, the system is switched off at an outdoor temperature of 15 °C to save energy. Nevertheless, remember that the system requires some time in the morning to heat up the building.

Parameter

OT deactivation value in reduced operation

WE Parameter level / Range of values 15 °C PA1, 2 / –20 to 50 °C

OT deactivation value in reduced operation

5.4.3 OT activation value in rated operation

If a heating circuit is in reduced operation (automatic operating mode), the circuit is auto matically transferred to rated operation when the outdoor temperature falls below the limit

OT activation value in rated operation

value

. When the limit value is exceeded (plus 0.5 °C hysteresis), reduced operation is restarted. This function is activated at very low temperatures to avoid that the building cools down ex cessively outside the times-of-use when low outdoor temperatures occur.

Parameter

OT activation value in rated operation

WE Parameter level / Range of values –15 °C PA1, 2 / –20 to 5 °C

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Functions of the heating circuit

5.4.4 Summer mode

Summer mode is activated depending on the mean daytime temperature (measured between

7.00h and 22.00h) during the desired period. If the mean daytime temperature exceeds the

OT limit value in summer mode

on n successive days, summer mode is activated on the following day. This means that the valves in all heat ing circuits are closed and the circulation pumps are switched off after t = 2 x valve transit time. If the mean daytime temperature remains below the

OT limit value in summer mode

m successive days, summer mode is deactivated on the following day.

Functions

Summer mode 0

WE Configuration

CO5 -> F04 - 1

01.06 2

30.09 1 18 °C

Start summer mode/ 01.01 (1 Jan) to 31.12 (31 Dec) No. of days until activation / 1 to 3 Stop summer mode / 01.01 to 31.12 No. of days until deactivation / 1 to 3 OT limit value in summer mode /0 to 30 °C

Note!

Summer mode only becomes effective when the controller is in automatic mode ( ).

5.5 Delayed outdoor temperature adaptation

The calculated outdoor temperature is used to determine the flow temperature set point. The heat response is delayed when the outdoor temperature either decreases, increases or increases and decreases. If the outdoor temperature varies by, for example, 12 °C within a very short period of time, the calculated outdoor temperature is adapted to the actual out

Delay

door temperature in small steps. Assuming a

°°12

of 3 °C/h, the adaptation would take

Note!

The delayed outdoor temperature adaptation helps avoid unnecessary overloads of central heating stations in combination with either overheated buildings occurring, for example, due to warm winds, or temporarily insufficient heating due to the outdoor sensor being exposed to direct sunshine. In operating level, the outdoor temperature blinks on the display while delayed outdoor tem

perature adaptation is active. The calculated outdoor temperature is displayed.

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Functions of the heating circuit

Functions

Delayed OT adaptation when OT decreases 0 CO5 -> F05 - 1 Delayed OT adaptation when OT increases 0 CO5 -> F06 - 1

WE Configuration

3 °C/h Delay / 1 to 6 °C/h

5.6 Remote operation

Apart from measuring the room temperature, the Type 5244 Room Panel (PTC room sensor) and Type 5257-5 Room Panel (Pt 1000 sensor) provide the following opportunities of influ encing the control process:

Selection of the operating mode: – Automatic mode

Set point correction: during rated operation, the room temperature set point can be in

creased or reduced by up to 5 °C using a continuously adjustable rotary knob.

When the room sensor is activated and the remote operation (room panel) is connected and activated, the measured room temperature is displayed. Nevertheless, it is not used for control unless the Optimization, Adaptation or Flash adaptation functions have been activated.

Type 5244/5257-5

– Day mode – Night mode

Type 5244/5257-5

Terminal 1 Terminal 5 Terminal 3 Terminal 2 Terminal 12 Terminal 12 Terminal 3 Terminal 9 Terminal 10

TROVIS 5575

Rk1 Rk2

Fig. 7 · Wiring plan for Type 5244/5257-5 Room Panels to TROVIS 5575 for Rk1 or Rk2

Function

Rooms sensors RF1/2 0 CO1, 2 -> F01 - 1

WE Configuration

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Functions of the heating circuit

TROVIS 5575-000x and TROVIS 5575-001x:

Alternatively, the TROVIS 5570 Room Panel can be connected when the following configu rations are made: CO7 -> F01 -1 and CO7 -> F03 - 1 and CO7 -> F04 - 1 (see section 7.11.5)

Day set point

The formed at the room panel. Only the calculated flow temperature set point or the room tem perature set point (for flash adaptation and adaptation) are changed accordingly. The evaluation of a room temperature sensor connected to the terminals RF is not possible for this control circuit when a TROVIS 5570 Room Panel is configured.

TROVIS 5575-002x:

Version without device bus: The TROVIS 5570 Room Panel cannot be connected.

set by the rotary switch remains unaffected by set point corrections per

5.7 Optimization

This function requires the use of a room sensor. Depending on the building characteristics, the controller determines and adapts the required preheating time (maximum 8 hours) to ensure that the desired ence room when the time-of-use starts. During the preheating period, the controller heats with the max. flow temperature. This temperature is built up in steps of 10 °C. As soon as the

Day set point

Depending on the room sensors, the controller switches off the heating system up to one hour before the time-of-use ends. The controller chooses the deactivation time such that the room temperature does not drop significantly below the desired value until the time-of-use ends. During the preheating period and the premature deactivation of the heating system, the icons or blink on the display. Outside the times-of-use, the controller monitors the

Night set point

point, the controller heats with the max. flow temperature until the measured room tempera ture exceeds the adjusted value by 1 °C.

Day set point

has been reached, weather-compensated control is activated.

(reduced room temperature). When the temperature falls below the night set

(rated room temperature) has been reached in the refer-

Note!

Direct sunshine can cause the room temperature to increase and thus result in the premature deactivation of the heating system. When the room temperature decreases while the heating system is temporarily outside its times-of-use, this can prematurely cause the controller to heat up to the adjusted

point.

Day set

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Functions of the heating circuit

Functions

Room sensors RF1/2 0 CO1, 2 -> F01 - 1 Outdoor sensors AF1 1 CO1 -> F02 - 1 Optimization 0 CO1, 2 -> F07 - 1

Parameters

Day set point 20 °C Top, middle/0to40°C Night set point 15 °C Top, middle/0to40°C

WE Configuration

WE Rotary switch / Range of values

5.8 Flash adaptation

To achieve that the controller reacts immediately to room temperature deviations during rated or reduced operation, adjust the function block setting CO1, 2 -> F09 - 1.

and

Day set

Gain K

The heating is then always switched off as soon as the room temperature exceeds the

point

Night set point

by 2 °C. Heating first starts again when the room has cooled off and the room temperature is 1 °C above the

Set point

are set to a value other than 0. The perature set point is corrected by 1 °C. A

. The flow temperature set point is corrected if the

Cycle time

determines the intervals at which the flow tem-

Gain K

set to a value other than 0 causes a direct

Cycle time

increase/decrease in flow temperature set point when a sudden deviation in room temperature arises. A

Gain K

setting of 10.0 is recommended.

Note!

Cooling loads, such as drafts or open windows, affect the control process! Rooms may be temporarily overheated when the cooling load has been eliminated!

Functions

Room sensors RF1/2 0 CO1, 2 -> F01 - 1 Flash adaptation 0

Parameters

Day set point 20 °C Top, middle/0to40°C Night set point 15 °C Top, middle/0to40°C

WE Configuration

CO1, 2 -> F09 - 1

20 min 0

WE Rotary switch / Range of values

Cycle time / 1 to 100 min K

(gain) / 0 to 25

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Functions of the heating circuit

5.8.1 Flash adaptation without outdoor sensor (room temperature dependent)

The flow temperature control starts with

night set point

without an outdoor sensor. The

in reduced operation as no set points calculated using characteristics exist

Cycle time

Flow day set point

in rated operation or with

determines the intervals at which the flow temper

Flow

ature set point is corrected by 1 °C. The heating is then always switched off as soon as the room temperature exceeds the

Day set pointorNight set point

again when the room has cooled off and the room temperature is 1 °C above the

Gain K

set to a value other than 0 causes a direct increase/decrease in flow temperature

set point when a sudden deviation in room temperature arises. A

by 2 °C. Heating first starts

Set point

Gain K

setting of 10.0 is

recommended.

Functions

Room sensors RF1/2 0 CO1, 2 -> F01 - 1 Outdoor sensor AF1/2 1 CO1, 2 -> F02 - 0 Flash adaptation 0

Parameters

Day set point 20 °C Top, middle, bottom/0to40°C Night set point 15 °C Top, middle, bottom/0to40°C

Parameters

Flow day set point 50 °C PA1, 2 / 5 to 130 °C Flow night set point 30 °C PA1,2/5to130°C

WE Configuration

CO1, 2 -> F09 - 1

20 min 0

WE Rotary switch / Range of values

WE Parameter level / Range of values

Cycle time / 1 to 100 min K

(gain) / 0 to 25

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Functions of the heating circuit

5.9 Adaptation

The controller is capable of automatically adapting the heating characteristic to the building characteristics, provided a gradient characteristic has been set (CO1, 2 -> F11 - 0). The ref erence room, where the room sensor is located, represents the entire building and is moni tored to ensure that the room set point (

Day set point)

is maintained. When to mean mea sured room temperature in rated operation deviates from the adjusted set point, the heating characteristic is modified accordingly for the following time-of-use. The corrected value is displayed in parameter levels PA1, 2 under

Functions

Room sensors RF1/2 0 CO1, 2 -> F01 - 1 Outdoor sensors AF1/2 1 CO1, 2 -> F02 - 1 Adaptation 0 CO1, 2 -> F08 - 1 4-point characteristic 0 CO1, 2 -> F11 - 0

Parameters

Day set point 20 °C Top, middle/0to40°C Night set point 15 °C Top, middle / 0 to 40 °C

WE Configuration

WE Rotary switch / Range of values

Gradient, flow

Note!

If the Flash adaptation function is already configured with a small cycle time, the Adaptation function should not be configured as well.

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Functions of the DHW circuit

6 Functions of the DHW circuit

6.1 DHW heating in the storage tank system

Start storage tank charging

SLP

Fig. 8 · Schematics of a storage tank system

SF1

The controller begins charging the storage tank when the water temperature measured at sensor SF1 falls below the

DHW temperature set point

the system exceeds the desired charging temperature, the controller tries to reduce the flow temperature in the heating circuit for up to 3 minutes before the storage tank charging pump is activated. When there is no heating operation or when the flow temperature in the system is lower, the storage tank charging pump is switched on immediately. If the function CO4 -> F15 - 1 (SLP ON depending on return flow temperature) is activated, the primary valve is opened without simultaneously operating the storage tank charging pump. The storage tank charging pump is not switched on before the primary return flow temperature has reached the temperature currently measured at storage sensor SF1. This function enables storage tank charging when the heating system is switched off, e.g. in summer mode, without cooling down the storage tank first by filling it with cold flow water. The storage tank charging pump does not start operation before a sufficiently high tempera ture has been reached at the heat exchanger.

SLP Storage tank charging

pump SF1 Storage sensor 1 ZP Circulation pump WW Hot water KW Cold water

by 0.1 °C. If the flow temperature in

Note!

Instead of the parameter

DHW temperature

, the

Charging temperature

solute value at the rotary switch if a storage tank thermostat is used.

can be set as the ab

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Functions of the DHW circuit

Time-controlled switchover of storage tank sensors

By configuring a second storage tank sensor SF2 over the function block CO4 -> F19 -1, it is possible to determine that the storage tank sensor SF1 is used for day mode in the DHW cir cuit and that the storage tank sensor SF2 is used for night mode. As a result, different stor

age tank volumes can be kept at a constant temperature according to a time schedule, and also at different temperatures if the

DHW set point

and

Sustained DHW temperature

differ

from one another.

Stop storage tank charging

The controller stops charging the storage tank when the water temperature measured at sen sor SF1 has reached the temperature T =

DHW temperature+hysteresis

heating operation or when the flow temperature demand in the system is lower, the corre

. When there is no

sponding valve is closed. The storage tank charging pump is switched off after t =

pump

valve transit time

lag time of storage tank charging

With the default settings, the temperature in the storage tank is increased by 5 °C to reach 50 °C when the storage tank temperature falls below 45 °C. The charging temperature is calculated from the DHW temperature (45 °C) plus the charging temperature boost (10 °C), which equals 55 °C. When the storage tank has been charged, the heating valve is closed and the charging pump continues operation for the time t (lag). Outside the times-of-use, the storage tank is only charged when the temperature falls below 40 °C (

perature

). In this case, the tank is charged with a charging temperature of 50 °C until 45 °C

Sustained DHW tem-

is reached in the tank.

Functions

Storage sensor SF1 1 CO4 -> F01 - 1 Storage sensor SF2 CO4 -> F02 (- 1 when CO4 -> F19 - 1) SLP ON depending on return flow temperature 0 CO4 -> F15 Time-controlled switchover of storage sensors 0 CO4 -> F19 (- 1 only when CO4 -> F02 - 1)

Parameter

DHW temperature set point or charging temperature set point with CO4 -> F01 - 0

Parameters

Min. DHW temperature* 40 °C PA4 / 5 to 90 °C Max. DHW temperature* 60 °C PA4 / 5 to 90 °C Hysteresis** 5 °C PA4 / 0 to 30 °C Charging temperature boost*** 10 °C PA4 / 0 to 50 °C

WE Configuration

WE Rotary switch / Range of values 55 °C Bottom / Min. to max. DHW temperature

WE Parameter level / Range of values

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Functions of the DHW circuit

Parameters

Lag of storage tank charging pump 0.5 PA4 / 0 to 10.0 Sustained DHW temperature 40 °C PA4 / 20 to 90 °C

* Parameters serve as limitation of the adjustment range for the DHW temperature to be set

at the rotary switch ** Deactivation value T = *** Charging temperature T =

DHW temperature+hysteresis

DHW temperature+charging temperature boost

WE Parameter level / Range of values

6.1.1 DHW circuit additionally controlled by a globe valve

In system Anl 11.1, the following version with globe valve can be configured instead of the three-way valve control in the DHW circuit:

Rk2/Y2 Control circuit/valve 2 SLP Storage tank charging

SF1 Storage sensor 1 VF2 Flow sensor 2 ZP Circulation pump WW Hot water KW Cold water

Fig. 9 · Schematics of a storage tank system with a globe valve for return flow temperature limitation

Globe valve and temperature sensor VF2 are used exclusively for return flow temperature limitation in the schematics shown above. The pre-control circuit provides at least the same flow temperature as in the standard schematic version which is calculated from

perature set point

Charging temperature boost+Primary exchanger control boost set

point.

The functions and parameters of the DHW heating in the storage tank system are upgraded by the following settings:

Function WE Configuration DHW circuit additionally controlled by a

globe valve Parameter WE Parameter level / Range of values

Maximum return flow temperature 65 °C PA4 / 20 to 90 °C

0 CO4 -> F20 - 1

pump

DHW tem

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Functions of the DHW circuit

6.2 DHW heating in the storage tank charging system

Start storage tank charging

TLP Exchanger charging pump

SLP

TLP

Fig. 10 · Schematics of a storage tank charging system

SF1

SF2

The controller begins charging the storage tank when the water temperature measured at sensor SF1 falls below the

DHW temperature set point

the system exceeds the desired charging temperature, the controller tries to reduce the flow temperature in the heating circuit for up to 3 minutes before the exchanger charging pump is activated together with the storage tank charging pump. When there is no heating operation or when the flow temperature in the system is lower, the exchanger charging pump is switched on immediately. If the temperature currently measured at sensor SF1 is reached at sensor VF, the storage tank charging pump is switched on. If a storage tank thermostat is used, the storage tank charging pump is switched on when the temperature T =

charging temperature

– 5 °C is reached at sensor VF.

VF Flow sensor SLP Storage tank charging pump SF1 Storage sensor 1 SF2 Storage sensor 2 ZP Circulation pump WW Hot water KW Cold water

by 0.1 °C. If the flow temperature in

Note!

Instead of the

DHW temperature

parameter, the

Charging temperature

can be adjusted as

absolute value at the rotary switch if a storage tank thermostat is used.

When the flow sensor VF4 is activated, the set point in the heat exchanger circuit is influ

enced by the system deviation in the storage tank charging circuit upon activation of the stor age tank charging pump: if the temperature measured at flow sensor VF4 is lower than the desired charging temperature, the set point in the heat exchanger circuit is increased in steps of 1 °C. When the set point in the heat exchanger charging circuit reaches the

perature

value, the set point is no longer increased. “Err 4“ alarm is generated.

Max. charging tem

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Functions of the DHW circuit

Note!

The set point in the heat exchanger circuit which is valid at the end of the charging cycle will be used again at the beginning of the next cycle.

If times-of-times have been set for DHW heating, the the rotary switch is applied during these times-of-use. Outside the times-of-use, the

DHW temperature

is used. This does not apply when a storage tank thermostat is used.

Set point DHW temperature

adjusted at

Sustained

Time-controlled switchover of storage tank sensors

age tank volumes can be kept at a constant temperature according to a time schedule, and also to different temperatures if the

DHW set point

and

Sustained DHW temperature

differ

from one another.

Stop storage tank charging

The controller stops charging the storage tank when the water temperature measured at sensor SF2 has reached the temperature T =

DHW temperature+hysteresis

. To do so, the exchanger charging pump is switched off first. When there is no heating operation or when the flow temperature demand in the system is lower, the corresponding valve is closed. The storage tank charging pump is switched off af-

lag of storage tank charging pumpxvalve transit time

ter t =

Functions

Storage tank sensor SF1 1 CO4 -> F01 - 1 Storage tank sensor SF2 1 CO4 -> F02 - 1 Flow sensor VF4 0 CO4 -> F05 Time-controlled switchover of storage

sensors

Parameter

DHW temperature set point or charging tem perature set point with CO4 -> F01 - 0

Parameters

Min. DHW temperature* 40 °C PA4 / 5 to 90 °C Max. DHW temperature* 60 °C PA4 / 5 to 90 °C

WE Configuration

0 CO4 -> F19

WE Rotary switch / Range of values

55 °C Bottom /Min. to max. DHW

WE Parameter level / Range of values

temperature

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System-wide functions

Parameters

Hysteresis** 5 °C PA4 / 0 to 30 °C Charging temperature boost*** 10 °C PA4 / 0 to 50 °C Max. charging temperature 80 °C PA4 / 20 to 130 °C (only with VF4) Lag of storage tank charging pump 0.5 PA4 / 0 to 10.0 Sustained DHW temperature 40 °C PA4 / 20 to 90 °C

* Parameters serve as limitation of the adjustment range for the DHW temperature to be set

at the rotary switch ** Deactivation value T = *** Charging temperature T =

DHW temperature+hysteresis

DHW temperature+charging temperature boost

WE Parameter level / Range of values

6.3 DHW heating in instantaneous heating system

VF Flow sensor ZP Circulation pump WW Hot water KW Cold water

Water flowmeter

Fig. 11 · Schematics of an instantaneous heating system with water flowmeter

(CO4 -> F04 - 1, select: AnA)

Without a flowmeter or flow switch, the required

DHW temperature

at sensor VF is only reg ulated during the times-of-use of the circulation pump ZP. The flowmeter or flow switch allow the controller to recognize exactly when DHW is being tapped. By deleting all the time-of-uses for the circulation pump, it is possible to regulate the required DHW tempera

ture just while the DHW is being tapping.

Functions WE Configuration Water flowmeter 0

Parameters WE Rotary switch / Range of values DHW temperature set point 55 °C Bottom /Min. to max. DHW temperature Sustained DHW temperature 40 °C Bottom /Min. to max. DHW temperature

CO4 -> F04 - 1

AnA

AnA (water flowmeter), bin (flow switch)

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Appendix

Parameters WE Parameter level / Range of values Min. DHW temperature 40 °C PA4 / 5 to 90 °C Max. DHW temperature 60 °C PA4 / 5 to 90 °C

6.4 DHW heating with solar system

The systems Anl 1.3 and 2.3 include a solar system for DHW heating. In these systems, the difference between the temperatures measured at storage sensor SF2 and the sensor at the solar collector VF3 is determined. The

Solar pump ON

temperature difference between sensors VF3 and SF2 required to activate the solar pump. If the temperature difference falls below the value of switched off. Basically, the solar pump is also switched off when the water temperature mea sured at sensor SF2 has reached the

Max. storage tank temperature

Note!

The times-of-use of the DHW circuit do not affect the operation of the solar system.

After the key number 1999 has been entered, the operating hours of the solar pump are displayed in extended operating level.

Parameters

Solar pump ON 10 °C PA4 / 1 to 30 °C Solar pump OFF 3 °C PA4 / 0 to 30 °C Max. storage tank temperature 80 °C PA4 / 20 to 90 °C

WE Parameter level/Range of values

parameter determines the minimum

Solar pump OFF,

the solar pump is

6.5 Intermediate heating operation

This function is only available in systems Anl 2.x, 4.1 and 4.5. With the setting CO4 -> F07 - 1, heating operation of the UP1 heating circuit is reactivated for a period of 10 minutes after 20 minutes of priority (heating deactivated during DHW heating). By setting CO4 -> F07 - 0, storage tank charging is given unlimited priority over the heating operation in the UP1 heating circuit.

Function

Intermediate heating 1 CO4 -> F07 - 1

WE Configuration

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Appendix

6.6 Parallel pump operation

This function is only available in systems Anl 2.1 to 2.3, 4.1 and 4.5. With the setting CO4 -> F06 - 1, the circulation pump UP1 remains switched on during DHW heating unless certain operating situations occur. These situations include, for example, those when the cur rent flow temperature demand of the pump circuit is lower than the adjusted

perature for parallel pump operation

. In this case, the controller applies priority operation, if necessary with intermediate heating. Once a parallel pump operation cycle has been acti vated and the time for

Stop parallel operation in case of deviation

has elapsed, system devi

Flow limit tem

ations greater than 5 °C cause the controller to suspend parallel operation for 10 minutes and to apply priority operation. Setting the

Stop parallel operation in case of deviation

to 0

minutes leads to a parallel operation once initiated remaining regardless of a deviation.

Function

Parallel pump operation 0

WE Configuration

CO4 -> F06 - 1

10 min 40 °C

Stop parallel operation in case of deviation / 0 to 10 min Flow limit temperature for parallel pump operation / 20 to 90 °C

6.7 Circulation pump operation during storage tank charging

With the setting CO4 -> F11 - 1, the circulation pump continues operation according to the set schedule even during storage tank charging. With the setting CO4 -> F11 - 0, the circulation pump is switched off as soon as the storage tank charging pump is activated. The circulation pump returns to operate according to schedule when the storage tank charging pump has been switched off again.

Function

Circulation pump operation during storage tank charging

WE Configuration 0 CO4 -> F11

6.8 Priority operation

In many district heating systems with primary DHW heating, the allotted amount of water is only intended to supply the heating system. As a result, the capacity required for DHW heat ing needs to be taken from the heating system when great heating loads occur; and this, until DHW heating has been concluded. Nevertheless, heating operation is not to be interrupted simply. Only the amount of energy required for DHW heating is to be deducted. This can be achieved by using the priority func tions Reverse control and Set-back operation.

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Appendix

6.8.1 Reverse control

In all systems with DHW heating and at least one heating circuit with control valve, DHW heating can be given priority by applying reverse control. With the setting CO4 -> F08 - 1, the temperature at the sensor VFx in the DHW circuit can be monitored. In systems without the sensor VFx in the DHW circuit (e.g. Anl 4.5, 11.0), the temperature directly at the storage sensor SF1 is monitored. If system deviations occur after the time for

Activate priority in case of deviation

has elapsed, the set point of the heating circuit with control valve is gradually reduced each minute until the flow temperature set point has reached 5 °C at the minimum. How strongly the controller responds is determined by the

Correction factor

Functions

Priority through reverse control 0

Priority through set-back operation

WE Configuration

CO4 -> F08 - 1

2 min

1.0 0 CO4 -> F09 - 0

Activate priority in case of deviation / 2 to 10 min Correction factor / 0.1 to 10.0

6.8.2 Set-back operation

In all systems with DHW heating and at least one heating circuit with control valve, DHW heating can be given priority by applying set-back operation. With the setting CO4 -> F09 - 1, the temperature at the sensor VFx in the DHW circuit can be monitored. In systems without the sensor VFx in the DHW circuit (e.g. Anl 4.5, 11.0), the temperature directly at the storage sensor SF1 is monitored. If system deviations occur after the time for

Activate priority in case of deviation

point of the heating circuit with control valve.

Functions

Priority through reverse control 0 CO4 -> F08 - 0 Priority through set-back

operation

has elapsed, reduced operation is activated for the set

WE Configuration

0 2 min

CO4 -> F09 - 1 Activate priority in case of deviation / 2 to 10 min

6.9 Forced charging of the DHW storage tank

To provide the full room heating performance when the time-of-use of the heating circuits be gins, existing storage tanks are charged one hour before the time-of-use of the heating cir cuits starts. For the individual controller, this means that storage tank charging is activated when the water temperature in the storage tank falls below the adjusted deactivation value of

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Appendix

T =

DHW temperature+hysteresis

place when the DHW circuit is not used at the beginning of the time-of-use set for the heating circuit(s).

Note!

This function is not available when a storage tank thermostat is used.

. The forced charging of the storage tank does not take

6.10 Thermal disinfection of the DHW storage tank

In all systems with DHW heating, the DHW storage tank is thermally disinfected on a se

Day of the week

lected

In systems with DHW storage tank, it is heated up, taking into account the

perature boost Disinfection temperature

ends at the specified In systems with DHW heating in instantaneous heating system, the function remains active

taking into account the SF1, has reached the adjusted been terminated because the

Start time

If the ing to the programmed time schedule depending on the switching state of a binary input (terminal 03/12, only possible without SF2/RF2). A break contact (bE = 0) or optionally also a make contact (bE = 1) of the binary input starts the thermal disinfection. It stops at the latest when the switching state of the binary input next changes.

When the fection cycle, “Err 3“ alarm is generated. The alarm is automatically reset when the

tion temperature

Thermal disinfection for preventing legionella infection causes

4 4

Disinfection temperature

excessively high return flow temperatures during the disinfection cycle (return flow tempe rature limitation suspended), excessively high DHW temperatures after thermal disinfection has been concluded, lime scale (possibly), which can have a negative effect on heat exchanger performance.

or every day.

Charging tem

parameter (or

Stop time

and

Stop time

is properly reached during the following thermal disinfection cycle.

Set point boost

. Disinfection begins at the adjusted

Set point boost

Disinfection temperature,

Stop time

are set to the identical time, the process is controlled accord-

has not been reached before the end of the thermal disin

, depending on the system) to the adjusted

Start time

parameter until the circulation pipe, measured at

provided disinfection has not

has been reached.

and, at the latest,

Disinfec

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Appendix

Note!

This function is not available when a storage tank thermostat is used. Controllers that are linked over a device bus are subjected to return flow temperature limita

tion in the primary control circuit even during the thermal disinfection in a secondary control ler.

Functions

Storage sensor SF1 1 CO4 -> F01 - 1 Thermal disinfection 0

WE Configuration

CO4 -> F14 - 1

0:00 4:00 70 °C 10 °C

1 bE = 1, 0 (start of disinfection with BE (term. 03/12 =

Day of the week / 1–7, 1, 2, ..., 7 with 1–7 = every day, 1 = Monday, ..., 7 = Sunday Start time / 0:00h to 23:45h; in steps of 15 minutes Stop time / 0:00h to 23:45h; in steps of 15 minutes Disinfection temperature / 60 to 90 °C Set point boost / 0 to 50 °C

ON, OFF; only applies when Start time = Stop time)

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System-wide functions

7 System-wide functions

7.1 Automatic summer time/winter time changeover

The clock is automatically adjusted on the last Sunday in March at 2.00h and on the last Sunday in October at 3.00h.

Function

Summer time/winter time changeover 1 CO5 -> F08 - 1

WE Configuration

7.2 Frost protection

Frost protection measures become effective whenever the outdoor temperature falls below the

Frost protection limit.

Frost protection program I (restricted frost protection): frost protection measures are taken

only when all heating circuits in the system are in stand-by mode. The circulation pumps are forcedly switched on and their flow temperature set points are adjusted to 10 °C. The circulation pump in the DHW circuit is switched on automatically only when stand-by mode has been adjusted at the mode selector switch in all heating circuits. Nevertheless, the storage tank is always recharged to 10 °C if the storage tank temperature falls below 5 °C. Frost protection program II: the heating circuit circulation pumps are always switched on

forcedly. The flow temperature set points of all heating circuits currently in stand-by mode are set to +10 °C. In the DHW circuit, the circulation pump is always activated. If the storage tank temperature falls below +5 °C, the storage tank is recharged to +10 °C.

Functions

Frost protection program I CO5 -> F09 - 0

Frost protection program II CO5 -> F09 - 1

The hysteresis to cancel the frost protection measures is always 1 °C.

WE Configuration

3 °C Frost protection limit / –15 to 3 °C

Note!

Frost protection operation of a pump, a heating circuit or the DHW circuit is active only when the frost protection icon is indicated on the display. Fixed set point control without outdoor temperature sensor does not include frost protection in stand-by mode.

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7.3 Forced operation of the pumps

When the heating circuit pumps have not been activated for 24 hours, forced operation of the pumps is started between 12.02h and 12.03h. This is done to avoid that the pumps get stuck when they are not operated for a longer period of time. In the DHW circuit, the circula tion pump is operated between 12.04h and 12.05h, the other pumps between 12.05h and

12.06h.

7.4 Return flow temperature limitation

The temperature difference between the flow and return flow indicates how well the energy is used: the greater the difference, the higher the efficiency. A return flow sensor is sufficient to evaluate the temperature difference when the network flow temperatures are determined. The return flow temperature can be limited either to a value depending on the outdoor tempera ture (variable) or to a fixed value. When the temperature measured at return flow sensor RüF exceeds the limit value, the set point of the flow temperature (flow temperature of the heating, charging temperature) is reduced. As a result, the primary flow rate is reduced and the return flow temperature falls. In systems Anl 2.x and 4.1, the parameter (PA4 level) is used for limitation in the primary circuit during DHW heating if it is greater than the parameter valid for the primary circuit. The strongly the controller responds when the limit values are exceeded in either direction (PI algorithm).

If just P-action is to be implemented, set CO5 -> F16 - 1. This allows the I-action in the return flow temperature limitation algorithm of all control circuits of the controller to be deactivated. The set point reading (flow temperature of the heating, charging temperature) blinks to indicate that a return flow limitation is active in the control circuit concerned.

Max. return flow temperature

Limiting factor

determines how

Note!

Using weather-compensated control with gradient characteristic, the return flow temperature is limited to a fixed value by equating the parameters

return flow temperature

(PA1, 2).

Return flow temperature foot

and

Max.

Note!

If CO5 -> F00 - 1 is indicated, access to the return flow, flow rate and heat capacity settings are locked.

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Function

Return flow sensors RüF1/2 1

Return flow temperature limitation with P algorithm

Parameters

Gradient, return flow 1,2 PA1, 2 / 0.2 to 3.2 Level, return flow 0.0 °C PA1, 2 / –30 to 30 °C Return flow temperature foot 65 °C PA1, 2 / 5 to 90 °C Max. return flow temperature 65 °C PA1, 2, 4 / 5 to 90 °C

WE Configuration

CO1, 2, 4 -> F03 - 1

1.0 0 CO5 -> F16

WE Parameter level/Range of values

Limiting factor/ 0.1 to 10.0

Parameter

Return flow temp. points 1 to 4 65 °C PA1, 2 / 5 to 90 °C

WE Parameter level/Range of values

Note!

To ensure that the preset return flow temperature limiting value can be met, make sure that – the heating characteristic is not adjusted to ascent too steeply, – the circulation pumps are not adjusted to run too rapidly, – the heating systems have been calibrated.

7.5 Condensate accumulation control

Activate the Limit deviation for OPEN signal function to start up condensate accumulation plants, in particular to avoid problematic excess temperatures. The controller response to set point deviations which cause the primary valve to open is attenuated. The controller response to set point deviations which cause the control valve to close remains unaffected.

Function

Limit deviation for OPEN signal 0

WE Configuration

CO1, 2, 4 -> F13 - 1

2 °C

Max. system deviation / 2 to 10 °C

Note!

The condensate accumulation control function can only be activated when no on/off control has been configured, i.e. when CO1, 2, 4 -> F12 - 1 applies.

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7.6 Three-step control

The flow temperature can be controlled using a PI algorithm. The valve reacts to pulses that the controller emits upon an existing system deviation. The length of the first pulse, in particu lar, depends on the extent of the system deviation and the selected pulse length increases as K

increases). The pulse and pause lengths change continuously un

Proportional gain K

(the

til the system deviation has been eliminated. The pause length between the single pulses is greatly influenced by the

Valve transit time T

The

Reset time T

specifies the time required by the valve to travel through the range

(the pause length increases as TNincreases).

of 0 to 100 %.

Functions

Control type three-step

WE Configuration 1

2.0 120 s 45 s

CO1, 2, 4 -> F12 - 1, Rk_

(proportional gain) / 0.1 to 50.0

(reset time) / 1 to 999 sec

(valve transit time) / 5, 10,15, …, 240 sec

7.7 On/off control

The flow temperature can be controlled, for example, by activating and deactivating a boiler. The controller switches on the boiler when the flow temperature falls below the set point by T = 0.5 x

hysteresis

boiler is switched off again. The greater the value you choose for be the activation/deactivation frequency. By setting the boiler remains switched on during this period regardless of the flow temperature fluctuations. Similarly, a deactivated boiler will remain switched off regardless of the flow temperature fluctuations if the

Functions

Control type on/off

Min. OFF time

. When the set point is exceeded by T = 0.5 x

Hysteresis

Minimum ON time

has been specified.

WE Configuration 1

5 °C 2 min 2 min

CO1, 2, 4 -> F12 - 0 Hysteresis / 1 to 30 °C

Min. ON time / 0 to 10 min Min. OFF time / 0 to 10 min

hysteresis

, the

, the lower will

, an activated

7.8 Releasing a control circuit over the binary input

The release of a control circuit using the binary output only becomes effective when the re spective control circuit is in automatic operating mode (icon ). The released control circuit always works in automatic mode; the deactivated control circuit behaves as if it were trans ferred to stand-by mode.

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System-wide functions

It remains active, however, in any case for processing of external demand. The control circuit can be released via the binary input when the binary input is either open (bE = 0) or closed (bE = 1).

Note!

In systems with supplementary heating circuit without a valve (Anl 2.x, 4.x), BE1 only influen ces the operation of this heating circuit. In system Anl 3.0, BE1 influences the operation of the entire controller (except for processing of an external demand).

Functions

Release Rk 1 at BE1 0

Release Rk 2 at BE2 0

WE Configuration

CO1 -> F14 - 1

bE = 1, 0 CO2 -> F14 - 1

bE = 1, 0

7.9 Processing of external demand in Rk1

The controller can process binary or analog requests for an externally required signal by a more complex secondary system, provided the following requirements are met: the system is configured without storage tank sensor SF2 or room sensor RF2 and an analog request can be matched to “0 to 10 V corresponds with 0 to 120 °C flow temperature“. In other words: flow temperature demand 12 °C/V. Analog requests below 10 °C (< 0.8 V input signal) are not processed; overvoltage generates a maximum flow set point of 130 °C. An additional processing of requests for an externally required signal over the device bus can be config ured.

Note!

Overheating may occur in the heating circuits of the primary controller without control valve.

Excessive charging temperatures in DHW circuits without control valve controlled by the pri mary controller are excluded when the default settings of the controller are used: while stor age tank charging is active, no flow temperature higher than the charging temperature is ad justed by the primary controller. Nevertheless, if the Priority for external demand function is activated, the external demand is also processed during storage tank charging.

Function

Priority for external demand 0 CO4 -> F16 - 1

WE Configuration

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System-wide functions

Processing of external demand, binary

Regardless of the operating mode set for control circuit Rk1 – except manual mode –, the flow temperature specified as

Set point for binary demand processing

is adjusted in control circuit Rk1 when the binary input (terminals 03/12) is either open (bE = 0) or closed (bE = 1).

Functions

Processing of external demand in Rk1 0 CO1 -> F15 - 1 Processing of external demand, 0 to 10 V 0 CO1 -> F16 - 0 Processing of external demand, binary 0

Parameter

Set point for binary demand processing 40 °C PA1 / 5 to 130 °C

WE Configuration

CO1 -> F17 - 1

1 WE Parameter level/Range of values

bE= 1, 0

Processing of external demand, 0 to 10 V

Regardless of the operating mode set for control circuit Rk1– except manual mode –, the controller regulates at least the flow temperature corresponding with the 0 to 10 V signal at terminals 03/13.

Functions

Processing of external demand in Rk1 0 CO1 -> F15 - 1 Processing of external demand, 0 to 10 V 0 CO1 -> F16 - 1 Processing of external demand, binary 0 CO1 -> F17 - 0

Parameter

Set point boost of primary exchanger control 5 °C PA1 / 5 to 130 °C

WE Configuration

WE Parameter level/Range of values

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System-wide functions

7.10 Flow rate/heat capacity limitation in Rk1

Flow rate/heat capacity limitation can be implemented based on a pulse or standardized signal of 0/4 to 20 mA provided by the heat meter. This only applies in plants without SF2, RF2 and without processing of an external demand 0 to 10 V. Particularly when a standard ized signal is applied, a heat meter (flow meter) with high measuring accuracy is required. Make sure that the controller is supplied with updated measured values in intervals of max. 5 seconds. In both cases (pulse or standardized signal), there are three different operating situations:

A system with simultaneous room heating and DHW heating requires maximum energy.

A system with a fully charged storage tank which performs only room heating requires

less energy. A system which suspends room heating during DHW heating requires less energy.

4 4

As a result, three different maximum limit values can be specified:

Max. limit value

Max. limit value heating

Max. limit value DHW

In all systems without DHW heating or without heating circuit, only the the flow rate or capacity can be set.

Note!

The limiting function is not available in systems Anl 10.

to determine the absolute upper limit

for exclusive operation of the room heating

for exclusive operation of the DHW heating

Max. limit value

for

7.10.1 Limitation using pulse input

Depending on the operating situation, a heat meter with pulse output connected to input WMZ/Bed (terminals 03/13) can be used to limit either the flow rate or the capacity in the system. All limit values are given in the unit “pulses per hour“ [pulse/h]. As a result, the con troller does not distinguish between a flow rate pulse signal or a capacity pulse signal. As the displayed current pulse rate P [pulse/h] (–> Extended operating level, key number 1999) is calculated depending on the interval between the received pulses, it is natural that the con troller cannot react immediately to all rapid flow rate or capacity changes which occur in the system. When the pulse rate reaches the current circuit Rk1 is reduced. How strongly the controller responds is determined by the

factor

80 EB 5575 EN

Max. limit value

, the flow set point of control

Limiting

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System-wide functions

Example to determine the limit value:

If a capacity of 30 kW is to be limited, the following limit value must be set for a heat meter with an output of one pulse per kilowatt-hour:

30 kW

1kWh/pulse

30 pulse / h

Note!

If CO5 -> F00 - 1 is indicated, access to the return flow, flow rate and heat capacity settings are locked.

Functions

Flow rate limitation (capacity limi tation) in Rk1 with pulses at input WMZ

Flow rate limitation in Rk1 with

WE Configuration 0

15 15

1.0

CO5 -> F10 - 1

pulse

Max. limit value/ 3 to 500

pulse

Max. limit value heating* / 3 to 500

pulse

Max. limit value DHW* / 3 to 500

Limiting factor / 0.1 to 10.0

0 CO5 -> F11 - 0

pulse

0/4 to 20 mA at input WMZ

* Not in Anl 1.0, 1.5, 1.6, 3.0, 3.5, 4.0 and 11.x

7.10.2 Limitation using 0/4 to 20 mA signal

Depending on the operating situation, a heat meter at input WMZ/Bed (terminals 03/13) with a 0/4 to 20 mA output (connected in parallel to input WMZ/Bed using 50 Ω) can be used to limit the flow rate in the system. All limit values are given in the unit “cubic meters per hour“ [m

per measuring range value

is displayed in the extended operating level (–> key number 1999). When the flow rate reaches the current Rk1 is reduced. How strongly the controller responds is determined by the

Note!

If CO5 -> F00 - 1 is indicated, access to the return flow, flow rate and heat capacity settings are locked.

/h]. As a result, both a

must be adjusted in unit [m3/h]. The current flow rate in [m3/h]

Lower measuring range value

Max. limit value

, the flow set point of control circuit

0 or 4 mA and an

Limiting factor

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Functions

Flow rate limitation (capacity limi

WE Configuration 0 CO5 -> F10 - 0

tation) in Rk1 with pulses at input WMZ

Flow rate limitation in Rk1 using 0/4 to 20 mA at input WMZ

0 0

1.5

1.0

CO5 -> F11 - 1 Lower measuring range value / 0, 4 mA

Upper meas. range value 20 mA / 0.01 to 650

Max. limit value / 0.01 to 650

Max. limit value heating* / 0.01 to 650

Max. limit value DHW* / 0.01 to 650

Limiting factor / 0.1 to 10.0

* Not in Anl 1.0, 1.5, 1.6, 3.0, 3.5, 4.0 and 11.x

7.10.3 Creep feed rate limitation over binary input

It is possible to report to the controller when the creep feed rate has fallen below a certain level by using a limit switch of the primary valve connected to the terminals 04/12. Either the break contact (bE = 0) of the binary input or the make contact (bE=1) of the binary input can be assigned to inform about the creep feed rate status. Shortly after the alert, the controller closes the valve Rk1. As soon as the flow temperature falls below the set point by more than 5 °C after the valve has been closed, control operation is started again.

Function

Creep feed rate limitation 0

WE Parameter level/Range of values

CO5 -> F12 - 1

bE = 0, 1

7.10.4 Limitation of the calculated capacity

The controller is able to calculate the heat capacity used in the system and to limit it depend ing on the operational circumstances. To achieve this, it uses a connected 0/4 to 20 mA sig nal for the flow rate, a primary return flow sensor and a primary flow sensor. All limits are given in the unit kilowatt [kW]. The primary flow sensor is connected at input FG2. The measured temperature of the primary flow sensor [°C] and the current capacity [kW] are displayed in the extended operating level (-> key number 1999).

The flow set point of control circuit Rk1 is reduced if the capacity reaches the current

mum limit

. How strongly the controller responds is determined by the

Limiting factor

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Maxi

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System-wide functions

Note!

If CO5 -> F00 - 1 is indicated, access to the return flow, flow rate and heat capacity settings are locked.

Functions WE Configuration Return flow sensor RüF1 1

Flow rate limitation in Rk1 using 0/4 to 20 mA at input WMZ

Capacity limitation based on a connected flow rate signal in Rk1

1.0 0

0 mA

1.5

1.0 0

1.5 kW

1.0

CO1 -> F03 - 1 Limiting factor / 0.1 to 10.0

CO5 -> F11 - 1 Lower measuring range value / 0, 4 mA

Upper meas. range value 20 mA / 0.01 to 650

Max. limit value heating*/ 0.01 to 650

Max. limit value DHW*/ 0.01 to 650

Limiting factor / 0.1 to 10.0 CO5 -> F13 - 1

Maximum limit / 0.1 to 6500 kW Max. limit value heating*/ 0.1 to 6500 kW Max. limit value DHW*/ 0.1 to 6500 kW Limiting factor / 0.1 to 10.0

* Not in Anl 1.0, 1.5, 1.6, 3.0, 3.5, 4.0 and 11.x

7.11 Device bus

TROVIS 5575-002x:

Version without device bus: The description of the device bus (section 7.11) and its func tions (section 7.11.1 to 7.11.6) are not relevant for this version.

Using the device bus, it is possible to connect up to 32 device (from Series 55xx). For con nection, the TROVIS 5575 Controller is, above all, equipped with the terminals 14/15. No attention must be paid to the polarity of the device bus wiring.

Activate the device bus and specify the device bus address for each device. Note that the de vice bus address 1 is to be set for just one controller in the system, and that all device bus addresses must be unique. The controller with device bus address 1 implements the required bus bias voltage for the system.

Once the controllers have been connected and preset, additional functions can be config ured. These partly application-specific functions include:

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System-wide functions

Requesting and processing an external demand (–> page 84)

Sending and receiving outdoor temperatures (–> page 85)

Synchronizing the clock (–> page 86)

Priority over all controllers (–> page 86)

Connecting a TROVIS 5570 Room Panel (–> page 87)

Display error alarms issued by the device bus (–> page 87)

7.11.1 Requesting and processing an external demand

In general, the controller which controls the primary valve or boiler (= primary controller) in a system of coupled controllers will process the demand of all subsequent controllers (= sec ondary controllers). As a result, the primary controller must be configured to receive this de mand. Usually, the secondary controllers are configured such that they send their maximum flow set point to the primary controller. In special cases, however, it might happen that only the set point of a control circuit is to be sent. The appropriate function blocks to do so are also available. After the desired function blocks have been activated, you must specify a register number.

The following applies: in a system of coupled controllers which are hydraulically supplied by a primary controller all controllers (primary and secondary controllers) must be adjusted to the same a demand in register no. 5 will not process a demand sent to register no. 6. The primary controller compares the received requested demands and its own requested demands and supplies the system with the required flow temperature – if necessary increased by the value of the parameter

for the “demand registers“. A controller which is configured to receive

Set point boost for primary exchanger control

Note!

Overheating may occur in the heating circuits of the primary controller without control valve.

Primary controller:

Functions

Device bus 0

Receive external demand 0

Parameter

Set point boost for primary exchanger control 5 °C PA1 / 0 to 50 °C

84 EB 5575 EN

WE Configuration

CO7 -> F01 - 1

5 WE Parameter level/Range of values

Device bus address CO7 -> F15 - 1

Page 85

Secondary controller:

System-wide functions

Functions

Device bus 0

Send flow set point Rk1 0 CO7 -> F10 - 1* Send flow set point Rk2 0 CO7 -> F11 - 1* Send flow set point DHW 0 CO7 -> F13 - 1* Send max. flow set point 0 CO7 -> F14 - 1*

WE Configuration

CO7 -> F01 - 1

5 *Register no. / 5 to 64

Device bus address

Note!

The register number specifies the location where the flow set points are saved in the primary controller. As a result, the register no. set in the secondary controller for CO7 -> F10 to F14 must be the same as the register no. adjusted under CO7 -> F15 in the primary controller.

Excessive charging temperatures in DHW circuits without control valve controlled by the primary controller are excluded when the default settings of the controller are used: while storage tank charging is active, no flow temperature higher than the charging temperature is adjusted by the primary controller. Nevertheless, if the Priority for external demand function is activated, the external demand is also processed during storage tank charging.

Function

Priority for external demand 0 CO4 -> F16 - 1

WE Configuration

7.11.2 Sending and receiving outdoor temperatures

Controllers equipped with an outdoor sensor can be configured to supply other controllers with the measured outdoor temperature via the device bus. This enables weather-compen sated control even in systems which do not have their own outdoor sensor.

Functions

Device bus 0

Send value AF1 0

WE Configuration

CO7 -> F01 - 1

Device bus address CO7 -> F06 - 1

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System-wide functions

Functions

Receive value AF1 0

Receive value AF2 (receive an outdoor temp. independent of Rk1)

WE Configuration

CO7 -> F07 - 1

1 0

Note!

The register no. for the outdoor temperature AF1 or AF2 must be the same for the sending and the receiving controller.

7.11.3 Synchronizing the clock

One controller in a system of coupled controllers should perform the Clock synchronization

function. This controller sends its system time once every 24 hours to all other controllers via the device bus. Regardless of this function, the system time of all controllers is adapted immediately when the time setting of one controller is changed.

Functions

Device bus 0

Clock synchronization 0 CO7 -> F02 - 1

WE Configuration

CO7 -> F01 - 1

Device bus address

7.11.4 Priority over all controllers

It is possible to put the heating circuits of other controllers out of operation while the DHW heating is active when the controllers are linked to one another over a device bus. Control lers which should operate a DHW heating with priority need to issue

DHW heating active

alert. Controllers that have heating circuits which should be deactivated during this active DHW heating need to have the configuration Receive release of Rk_ for the heating circuits concerned. If the circuit is just a DHW circuit which should influence one or more heating cir cuits, they need to be assigned with the identical register number. In the case that there are several DHW circuits in the system, selected heating circuits can only react to one or other active DHW circuits by assigning different register numbers.

If a secondary heating circuit with a valve should be put out of operation, the heating circuit valve concerned is closed; the heating circuit circulation pump remains in operation.

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System-wide functions

If a secondary heating circuit without a valve should be put out of operation, for example, in system Anl 2.x, just its heating circuit circulation pump and not the primary circuit Rk1 is put out of operation by using the configuration Receive release of Rk1.

Functions

Device bus 0 CO7 -> F01 - 1; Device bus address Send “DHW heating active“ 0 CO7 -> F20 - 1* Receive release of Rk1 0 CO7 -> F21 - 1* Receive release of Rk2 0 CO7 -> F22 - 1*

WE Configuration

32 *Register no. / 5 to 64

7.11.5 Connecting a TROVIS 5570 Room Panel

A TROVIS 5570 Room Panel (accessory) can be connected to the TROVIS 5575 Controller to measure the room temperature and for remote operation of a heating circuit. The room panel enables direct access to the operating mode and controller time settings as well as to all relevant parameters of a heating circuit. Additionally, the room temperature, the outdoor temperature and, if applicable, other data points can be viewed. The terminals 5 and 6 of the room panel are connected to terminals 14 and 15 of the controller. The room panel is supplied with operating voltage (terminals 1 and 2 of the room panel (12 to 26.5 V AC/15 to 36 V DC) at the point of installation.

Functions

Device bus 0 CO7 -> F01 - 1; Device bus address TROVIS 5570 Room Panel in Rk1 0 CO7 -> F03 - 1; Device bus address TROVIS 5570 Room Panel in Rk2 0 CO7 -> F04 - 1; Device bus address

WE Configuration

7.11.6 Display error alarms issued by the device bus

Error alarms over device bus do cause controllers with an active modem function already in the default setting to dial the control station. However, the error alarms issued by the device bus are not displayed by controllers configured in this way. The setting CO7 -> F16 - 1 causes these controllers to react to the error alarms from the device bus by generating the Err 5 alarm as long as the faults of the other device bus participants exist. The black squares under the corresponding numbers at the top of the display indicate which device bus address is defective for the first 23 device bus participants.

Function

Display error alarms issued by the device bus 0 CO7 -> F16 - 1

WE Configuration

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System-wide functions

7.12 Feeder pump operation

In system Anl 3.0, the feeder pump UP1 only starts to operate in the default setting when a flow temperature demand of a secondary controller exists. If CO7 -> F14 - 1 is configured in the primary controller in addition to CO7 -> F15 - 1, the function is also active when the controller’s own secondary circuit requires heat.

Function

Send maximum flow set point 0 CO7 -> F14 - 1

WE Configuration

5 Register no. / 5 to 64

7.13 Locking manual level

To protect the heating system, this function can be used to lock manual level. When this func tion has been activated, automatic mode is started when the rotary switch is set to .

Function

Locking manual levels 0 CO5 -> F21 - 1

WE Configuration

7.14 Locking the rotary switches

When this function has been activated, the controller remains in automatic mode regardless of the rotary switch positions. The rotary switches can no longer be used to adjust the controller settings.

Function

Locking the rotary switches 0 CO5 -> F22 - 1

WE Configuration

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System-wide functions

7.15 Setting a customized key number

To avoid that unauthorized personnel modify functions and parameters of the controller, the default key number can be replaced with an individual key number. Choose your custom key number between 0100 and 1900.

Proceed as follows:

Switch to configuration and parameter level. Display shows: Set key number 1995.

Confirm key number. Set valid key number.

Confirm key number. Key number blinks. Set desired custom key number.

Confirm custom key number. This new key number is now valid.

0 0 0 0

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Operational faults

8 Operational faults

Malfunctions or faults are indicated by the blinking icon on the display. The “Error“ alarm is displayed immediately. Press the rotary pushbutton to open the error level. It may be possi ble to view several error alarms by turning the rotary pushbutton. As long as an error is present, error level is displayed, even though it has not been opened by pressing the rotary pushbutton. In addition, the display is illuminated for 1 second in intervals of 10 seconds when a fault persists.

TROVIS 5575-000x and TROVIS 5575-001x:

The display is illuminated approximately every 10 seconds for one second when opera tional faults occur.

TROVIS 5575-002x:

Version without illuminated display.

In the error level, the error is displayed as specified in the list below.

Note!

After the system code number has been changed, any error alarms are suppressed for approx. 3 minutes.

8.1 Error list

Err 1 = Sensor failure (–> section 8.2)

Err 2 = Reset to default setting (–> section 2.5)

Err 3 = Disinfection temperature not reached (–> section 6.9)

Err 4 = Max. charging temperature reached (–> section 6.2)

Err 5 = Error alarms issued by the device bus displayed (–> section 7.11.6)

Err 6 = Temperature monitoring alarm (–> section 8.3)

8.2 Sensor failure

According to the error list, sensor failures are indicated by displaying “Err 1“ in error level. For detailed information, exit error level and view the different temperature values in operat ing level: each sensor icon displayed together with 3 horizontal lines instead of the measured value indicates a defective sensor. The following list explains how the controller responds to the failure of the different sensors.

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Operational faults

Outdoor sensors AF1: When the outdoor sensor fails, the controller adjusts a flow tem

perature set point of 50 °C or the

(adjusted under PA1, 2) is smaller than 50 °C.

ture

Flow sensor(s) heating circuit(s): When the flow sensors in the heating circuits are defec

tive, the associated valve moves to 30 % travel. DHW heating using such a sensor to measure the charging temperature is suspended. Flow sensors in the DHW circuit with control valve: When the flow sensor VF4 fails, the

controller behaves as if VF4 had not been configured. As soon as the control of the charging temperature becomes impossible (VF2 defective), the associated valve is closed. Return flow sensors RüF1/2: When the return flow sensor fails, the controller continues

operation without return flow temperature limitation. Room sensors RF1/2: When the room sensor fails, the controller uses the settings for op

eration without room sensor. The controller, for example, switches from optimizing mode to reduced operation; adaptation mode is canceled. The last determined heating charac teristic remains unchanged. Storage sensors SF1/2: When one of the two sensors fails, the storage tank is no longer

charged (exception: solar system). Solar sensors SF 3, VF 3: When one of the two sensors fails, the storage tank in the solar

circuit is no longer charged.

Max. flow temperature

when the

Max. flow tempera

8.3 Temperature monitoring

When a system deviation greater than 10 °C persists in a control circuit for 30 minutes, an error alarm “Err 6“ (temperature monitoring alarm) is generated.

Function

Temperature monitoring 0 CO5 -> F19 - 1

WE Configuration

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Memory module

9 Memory module

The use of a memory module (accessory no. 1400-7142) is particularly useful to transfer all data from one TROVIS 5575 Controller to several other TROVIS 5575 Controllers. The mem ory module is plugged into the RJ45 connector integrated into the front panel. Once the module has been connected, “75 SP“ is displayed. If the memory module already contains data from a different TROVIS 5575 Controller, turn the rotary pushbutton until “SP 75" is displayed

Pressing the rotary pushbutton to confirm “75 SP“ causes the controller settings to be

transferred to the memory module. Pressing the rotary pushbutton to confirm “SP 75“ causes the saved controller settings to

be transferred from the memory module to the controller.

During the data transfer, the bars on the display indicate the progress. When the transfer was successful, “I.O.“ is displayed. After that, the connection between controller and mem ory module can be separated.

Using TROVIS-VIEW software (order no. 6661-1011), all of the controller settings can be configured and archived on a computer.

9.1 Data logging

A data logging module (order no. 1400-9378) saves the following controller data every two minutes:

Temperatures measured by the sensors

Control signals [%]

Switching states of the pump outputs

Access to the controller settings

The data logging module is connected to the RJ-45 jack at the front of the controller. Thanks to the compact design of the data logging module, the front cover of the controller can be kept closed even when the module is connected.

The controller starts to write over the oldest data as soon the memory of the data logging module is full after approximately eight days. The current memory capacity of the data log

Info 2

ging module can be read in the extended operating level under (range of values: 0 to 6035). Directly after inserting the data logging module, data can be first read after the first scanning cycle has been performed.

The data logging viewer software allows the data to be viewed in graph format. The USB-Converter 3 (order no. 1400-9377) is required to connect the data logging module to a computer. The data logging viewer software is supplied with the USB-Converter 3.

as a second value

92 EB 5575 EN

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10 Installation

Dimensions in mm (W x H x D) TROVIS 5575-000x and TROVIS 5575-001x

Controller with standard housing base: 144 x 98 x 60

TROVIS 5575-002x

The controller can be fitted with a standard housing base or a high base. Controller with standard housing base: 144 x 98 x 60 Controller with high base: 144 x 98 x 81

Installation

The controller consists of the housing with the electronics and the housing base with the ter minals. It is suitable for panel, wall and top hat rail mounting (Fig. 12).

Panel mounting

1. Remove both screws (1).

2. Pull apart the controller housing and the base.

3. Make a cut-out of 138 x 92 mm (W x H) in the control panel.

4. Insert the controller housing through the panel cut-out.

5. Insert one mounting clamp (2) each at the top and bottom or at the side. Screw the threaded rod towards the panel with a screwdriver so that the housing is clamped against the control panel.

6. Install the electrical connections at the back of the base as described in section 11.

7. Fit the controller housing.

8. Fasten both screws (1).

Wall mounting

1. Remove both screws (1).

2. Pull apart the controller housing and the base.

3. If necessary, bore holes with the specified dimensions in the appropriate places. Fasten the base with four screws.

4. Install the electrical connections at the base as described in section 11.

5. Remount the controller housing.

6. Fasten both screws (1).

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Installation

Top hat rail mounting

1. Fasten the spring-loaded hook (4) at the bottom of the top hat rail (3).

2. Slightly push the controller upwards and pull the upper hook (5) over the top hat rail.

3. Remove both screws (1).

4. Pull apart the controller housing and the base.

5. Install the electrical connections at the base as described in section 11.

6. Remount the controller housing.

7. Fasten both screws (1).

94 EB 5575 EN

Page 95

Installation

Panel mounting

Wall mounting

Housing base

Controller housing

Top hat rail mounting

Fig. 12 · Installation

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Page 96

Electrical connection

11 Electrical connection

Caution!

For electrical installation, you are required to observe the relevant electrotechnical regula tions of the country of use as well as the regulations of the local power suppliers. Make sure all electrical connections are installed by trained and experienced personnel!

Notes on installing the electrical connections

Install the 230 V power supply lines and the signal lines separately! To increase noise im

munity, observe a minimum distance of 10 cm between the lines. Make sure the minimum distance is also observed when the lines are installed in a cabinet. The lines for digital signals (bus lines) and analog signals (sensor lines, analog outputs)

must also be installed separately! In plants with a high electromagnetic noise level, we recommend to use shielded cables

for the analog signal lines. Ground the shield at one side, either at the control cabinet inlet or outlet, using the largest possible cross-section. Connect the central grounding point and the PE grounding conductor with a cable≥10 mm² using the shortest route. Inductances in the control cabinet, e.g. contactor coils, are to be equipped with suitable

interference suppressors (RC elements). Control cabinet elements with high field strength, e.g. transformers or frequency convert-

ers, should be shielded with separators providing a good ground connection.

Overvoltage protection

If signal lines are installed outside buildings or over large distances, make sure appropri-

ate surge or overvoltage protection measures are taken. Such measures are indispens able for bus lines! The shield of signal lines installed outside buildings must have current conducting capac

ity and must be grounded on both sides. Surge diverters must be installed at the control cabinet inlet.

Connecting the controller

The controller is connected as illustrated in the diagram on the page 101. Open the housing to connect the cables. To connect the feeding cables, make holes in the

marked locations at the top, bottom or back of the rear part of the housing and fit suitable grommets or cable glands.

Connecting the sensors

Cables with a minimum cross-section of 2 x 0.5 mm² can be connected to the terminals at the back panel of the housing.

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Electrical connection

Connecting the water flowmeter (order no. 1400-9246) A power supply unit and a 4.7 kΩresistor are required for the water flowmeter to function.

TROVIS 5575Water Flowmeter Power supply unit

brown/

greenwhite

black

4.7 kΩ

4.5 ... 24 V DC _

Connecting the actuators

Three-step or on/off outputs:

Connect cables with at least 1.5 mm² suitable for damp locations to the terminals of the controller output. The direction of travel needs to be checked at start-up.

Note!

Electric actuators are not automatically supplied with a voltage by the controller. They can be connected to an external voltage source over the terminals 25 or 28. If this is not required, place a jumper from terminal 18 to terminal 25 and 28.

Connecting the pumps

Connect all cables with at least 1.5 mm

to the terminals of the controller as illustrated in the

wiring diagram.

Legend for wiring diagrams:

AF Outdoor sensor BE Binary input FG Potentiometer BA Binary output RF Room sensor Rk Control circuit RüF Return flow sensor UP Circulation pump SF Storage stank sensor SLP Storage tank charging pump VF Flow sensor WMZ Heat meter

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Electrical connection

18L1

19N

UP1

SLP

ZP/UP2

Rk1_3-Pkt

Rk2_3-Pkt

AF1

SF1

RüF2

SF2/RF2

RF1

RüF1

VF1

VF2/3/4

BE1/FG1

Rk1_2-Pkt

BE2/FG2

Rk2_2-Pkt/BA9

+ WMZ/Bed

Gerätebus

Fühler COM

- (20mA/10V)*

Gerätebus

resistor is required between terminals 03 and 13!

Caution!

Never connect terminal 12 (grounding of sensor) and terminal 13 (grounding of 0 to 10 V/0 to 20 mA)!

* To apply a 20 mA signal, a 50

Fig. 13 · Wiring diagram of standard TROVIS 5575-000x Controller

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Electrical connection

18L1

19N

UP1

UP2

SLP

AF1

SF1

RüF2

SF2/RF2

RF1

RüF1

VF1

Rk1_3-Pkt

VF2/3/4

BE1/FG1

Rk1_2-Pkt

BE2/FG2

Rk2_3-Pkt

Rk2_2-Pkt/BA9

+ WMZ/Bed

Gerätebus

Fühler COM

- (20mA/10V)*

Gerätebus

resistor is required between terminals 03 and 13!

Caution!

Never connect terminal 12 (grounding of sensor) and terminal 13 (grounding of 0 to 10 V/0 to 20 mA)!

* To apply a 20 mA signal, a 50

Fig. 14 · Wiring diagram of TROVIS 5575-001x Controller

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Page 100

Electrical connection

18L1

19N

UP1

SLP

ZP/UP2

Rk1_3-Pkt

Rk2_3-Pkt

SF1

AF1

100 EB 5575 EN

RüF2

SF2/RF2

RF1

RüF1

VF1

VF2/3/4

BE1/FG1

Rk1_2-Pkt

BE2/FG2

Rk2_2-Pkt/BA9

+ WMZ/Bed

Fühler COM

- (20mA/10V)*

resistor is required between terminals 03 and 13!

Caution!

Never connect terminal 12 (grounding of sensor) and terminal 13 (grounding of 0 to 10 V/0 to 20 mA)!

* To apply a 20 mA signal, a 50

Fig. 15 · Wiring diagram of TROVIS 5575-002x Controller with standard housing base

Samson TROVIS 5575 Mounting And Operating Instructions

Specifications and Main Features

Frequently Asked Questions

User Manual

Table of contents