Viessmann Divicon Series Installation Instructions Manual

Installation instructions

for contractors

Divicon

Heating circuit distributor

DIVICON

VIESMANN

5443 825 GB 9/2016

Safety instructions

Please follow these safety instructions closely to prevent accidents and
material losses.

Safety instructions explained

Danger

This symbol warns against the
risk of injury.

Please note

This symbol warns against the

!

risk of material losses and envi­ronmental pollution.

Note

Details identified by the word "Note"
contain additional information.

Target group

These instructions are exclusively
intended for authorised contractors.

■ Work on gas installations must only
be carried out by a registered gas fit­ter.

■ Work on electrical equipment must
only be carried out by a qualified
electrician.

Regulations to be observed

■ Codes of practice of the relevant
trade associations

■ All current safety regulations as
defined by DIN, EN, DVGW, TRGI,
TRF, VDE and all locally applicable
standards

ÖNORM, EN, ÖVGW-TR Gas,

a

ÖVGW-TRF and ÖVE
SEV, SUVA, SVGW, SVTI,

c

SWKI, VKF and EKAS guideline
1942: LPG, part 2

Working on the system

■ Isolate the system from the power
supply (e.g. by removing the sepa­rate fuse or by means of a mains iso­lator) and check that it is no longer
'live'.

■ Safeguard the system against recon­nection.

■ Where gas is used as the fuel, close
the main gas shut-off valve and safe­guard it against unintentional reopen­ing.

■ National installation regulations

■ Statutory regulations for the preven­tion of accidents

■ Statutory regulations for environmen­tal protection

2

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Index

Preparing for installation................................................................................... 4

Installation sequence

Fitting to boiler with pipe assembly (accessories)................................................ 5

Wall mounting....................................................................................................... 6

■ Fitting a single module (without manifold)......................................................... 6

■ Fitting several modules with manifold (accessories)......................................... 8

Filling the system.................................................................................................. 15

Fitting the thermal insulation................................................................................ 16

■ Low loss header (if supplied)............................................................................ 16

■ Manifold............................................................................................................ 17

■ Divicon with mixer............................................................................................. 18

■ Divicon without mixer........................................................................................ 20

Mixer extension kits

Extension kit with mixer PCB............................................................................... 22

■ Overview of electrical connections.................................................................... 22

■ Connecting the extension kit to the control unit................................................ 23

■ Connecting two extension kits.......................................................................... 27

■ Power supply.................................................................................................... 27

■ Connection and wiring diagram........................................................................ 30

■ Changing the rotational direction (if required)................................................... 31

■ Specification...................................................................................................... 31

Extension kit without mixer PCB.......................................................................... 33

■ Connecting the extension kit to the control unit................................................ 33

■ Changing the rotational direction (if required)................................................... 33

■ Specification...................................................................................................... 34

Declaration of Conformity................................................................................. 36

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3

3.

2.

4.

1.

Preparing for installation

Removing the thermal insulation

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4

4.

3.

1.

A

B

2.

Fitting to boiler with pipe assembly (accessories)

Heating flow

A

Heating return

B

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5

1.

2.

Ø 10

Wall mounting

Fitting a single module (without manifold)

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6

1.

2.

A

B

Wall mounting

(cont.)

A

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Heating flow

Heating return

B

7

Ø 10

300
500

2.

1.

Wall mounting

(cont.)

Fitting several modules with manifold (accessories)

Manifold for 2 Divicons

A

Manifold for 3 Divicons

B

8

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70

142

2.

1.

A

B

A

B

A

B

Wall mounting

(cont.)

Manifold (H = 70 mm) for two Divicons

A

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Heating flow

Heating return

B

9

2.

1.

A

B

A

B

A

B

100

167

Wall mounting

(cont.)

Manifold (H = 100 mm) for two Divicons

A

10

Heating flow

Heating return

B

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2.

1.

A

B

A

B

A

B

A

B

70

142

Wall mounting

(cont.)

Manifold (H = 70 mm) for three Divicons

A

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Heating flow

Heating return

B

11

2.

1.

A

A

B

A

B

A

B

B

100

167

Wall mounting

(cont.)

Manifold (H = 100 mm) for three Divicons

Heating flow

A

12

Heating return

B

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Wall mounting

(cont.)

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13

1.

3.

4.

2.

Wall mounting

(cont.)

Low loss header (if supplied)

A

14

Heating flow

Heating return

B

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1.

2.

Filling the system

1. For filling (with heating water), open

the check valve in the heating
return by positioning the slot of the
screw in the vertical position.

Note

Observe the marking on the adjust­ing screw.

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2. For operation, position the slot of
the screw in the horizontal position.

15

1.

3.

2.

Fitting the thermal insulation

Low loss header (if supplied)

16

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1.

2.

Fitting the thermal insulation

Manifold

(cont.)

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17

1.2.3.

A

B

3.

2.

3.

2.

1.

Fitting the thermal insulation

Divicon with mixer

Note

With several Divicons, first fit the ther­mal insulation on the right Divicon. For
the remaining Divicons, fit the insulation
from right to left.

(cont.)

Cut if fitting a single module to the

A

wall

18

Cut out the thermal insulation if

B

connecting with a union nut

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2.

3.

1.

Fitting the thermal insulation

(cont.)

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19

B

1.2.3.

1.

2.

2.

A

Fitting the thermal insulation

Divicon without mixer

Note

With several Divicons, first fit the ther­mal insulation on the right Divicon. For
the remaining Divicons, fit the insulation
from right to left.

(cont.)

Cut if fitting a single module to the

A

wall

20

Cut out the thermal insulation if

B

connecting with a union nut

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2.

3.

1.

4.

Fitting the thermal insulation

(cont.)

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21

52

20

40A

40

20

40A

40

2

145

145

17

S1 F1

Extension kit with mixer PCB

Note

Bundle the power cables below the
extension kit and secure with cable ties.

Overview of electrical connections

F1 Fuse, 2A (slow)
S1 Rotary selector

230 V~ plugs

Heating circuit pump

sÖ

Power supply 230 V/50 Hz

fÖ

Power supply connection of

fÖA

accessories
Mixer motor

gS

22

Low voltage connections

?
aJ

aVG

Flow temperature sensor
Return temperature sensor (in
conjunction with the Vitotronic
300, type KW3, if installed)
KM BUS cable

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A

aVG

fÖ

2

3

4

5

6

1

0

9

8

7

S1

145

40

96

145

1 2

1 2

B

156

N L

N

L

N L

1

Extension kit with mixer PCB

Please note

Electronic modules can be dam-

!

aged by electrostatic charges.
Before beginning work, touch

(cont.)

Note

Apply a strain relief to all on-site cables.
Close any unnecessary knockouts with
cable grommets (not cut open).

earthed objects, such as heating
or water pipes, to discharge
static loads.

Connecting the extension kit to the control unit

Connecting the Vitotronic 300, type
KW3

Danger

Incorrect core assignment can
result in serious injury and dam­age to the appliance.
Take care not to interchange
wires "L1" and "N".

KM-BUS to the control unit or to

aVG

the KM-BUS distributor (accesso­ries)
Power supply via control unit or

aBH

via power distributor (accesso­ries)

A
B

Extension kit
To the control unit

S1 For rotary selector position, see the

following table

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23

Extension kit with mixer PCB

(cont.)

Set rotary selector:
Heating circuit affected by

Sensors connected Rotary selector S1

the mixer

Heating circuit with mixer M2 Flow temperature sensor "2"

(delivered condi­tion)

Flow temperature sensor and

"3"

return temperature sensor

Heating circuit with mixer M3 Flow temperature sensor "4"

Flow temperature sensor and

"5"

return temperature sensor

Wall mounted and storage combi
boilers

Danger

Incorrect core assignment can
result in serious injury and dam­age to the appliance.
Take care not to interchange
wires "L1" and "N".

24

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A

X3 100 962035

B

aVG

fÖ

145

40

1 2

N L

76 54 321

N L1

S1

2

3

4

5

6

1

0

9

8

7

Extension kit with mixer PCB

Extension kit

A

Power supply

fÖ

KM-BUS

aVG

S1 For rotary selector position,

see the following table

Control unit

B

"X3" KM-BUS at terminals "7" and

"6" (disconnect plug
or
with plug

aVG

distributor (accessories)
Power supply

lH

to the KM-BUS

aVG

)

(cont.)

Set rotary selector:
Heating circuit which should be influenced
by the mixer

Heating circuit with mixer M2 "2" (delivered condition)
Heating circuit with mixer M3 "4"

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Note

If the mains power supply
has already been allocated,
see chapter "Power supply".

Rotary selector S1

25

2035100

32 15 4

X3

28

X14

A

aVG

fÖ

145

40

1 2

N L

S1

2

3

4

5

6

1

0

9

8

7

2 1

N?L1

B

96

145

Extension kit with mixer PCB

Extension kit

A

Power supply

fÖ

KM-BUS

aVG

S1 For rotary selector position,

see the following table

Control unit

B

"X14" KM-BUS at terminals "1"

and "2" (disconnect plug

)

aVG

or
with plug
BUS distributor (accesso­ries)
Power supply

lH

Note

If the mains power supply
has already been allocated,
see chapter "Power supply".

to the KM-

aVG

(cont.)

26

5443 825 GB

145

145

40A

40

145

145

40A

40

A B

D

F

C E

Extension kit with mixer PCB

Set rotary selector:
Heating circuit which should be influenced
by the mixer

Heating circuit with mixer M2 "2" (delivered condition)
Heating circuit with mixer M3 "4"

(cont.)

Rotary selector S1

Connecting two extension kits

Extension kit for a heating circuit

A

with mixer M2
Extension kit for heating circuit with

B

mixer M3
KM BUS cable (standard delivery)

C

to the control unit
KM BUS cable, 0.8 m long (cable

D

kit accessory, part no. 7424 960)

Power supply (connect the power

E

cable supplied, see the following
chapter)

F Power cable with plug fÖ and fÖA

(cable kit accessory, part no. 7424

960)

Power supply

Connect accessories with a total wat­tage above 400 W directly to the
mains power supply.

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Danger

Incorrectly executed electrical
installations can result in injuries
from electrical current and dam­age to the appliance.

Connect the power supply and
implement all safety measures
(e.g. RCD circuit) in accordance
with the following regulations:

■ IEC 60364-4-41

■ VDE regulations

27

Extension kit with mixer PCB

■ Connection requirements
specified by the local power
supply utility

■ Protect the power cable with a
fuse/MCB of up to 16 A.

Danger

The absence of component
earthing for the system can lead
to serious injury from electric
current if an electrical fault
occurs.
The appliance and pipework
must be connected to the equi­potential bonding of the building.

(cont.)

■ The mains isolator (if installed) must
simultaneously isolate all non­earthed conductors from the mains
with a minimum contact separation of
3 mm.

■ If no mains isolator is installed, all
non-earthed conductors must be iso­lated from the power supply by the
upstream circuit breaker with a mini­mum contact separation of 3 mm.

■ In addition, we recommend installing
an AC/DC-sensitive RCD (RCD class

B ) for DC (fault) currents that
can occur with energy efficient equip­ment.

28

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C

D

E

F

L1
N

B A

40 40

Extension kit with mixer PCB

Extension kit power supply

A

Control unit power supply

B

Power supply 230 V/50 Hz

C

Fuse (max. 16 A)

D

Mains isolator, 2-pole, on site (if

E

installed)
Terminal box (on site)

F

(cont.)

Make the power supply connection in
accordance with the diagram.

Danger

Incorrect core assignment can
result in serious injury and dam­age to the appliance.
Never interchange cores "L" and
"N".

Please note

Incorrect phase sequence can

!

cause damage to the appliance.
Ensure phase equality with the
control unit power supply.

Colour coding to IEC 60757
BN Brown
BU Blue
GN/YE Green/yellow

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29

Extension kit with mixer PCB

Connection and wiring diagram

(cont.)

A1 Main PCB
F1 Fuse

Plug 230 V~

Heating circuit pump

sÖ

Power supply 230 V/50 Hz

fÖ

Power supply connection of

fÖA

accessories
Mixer motor

gS

30

S1 Rotary selector

5443 825 GB

gS

BU

|

~

Extension kit with mixer PCB

(cont.)

Low voltage plugs

Flow temperature sensor

?

Return temperature sensor (in

aJ

conjunction with the Vitotronic
300, type KW3, if installed)
KM BUS cable for connection with

aVG

the control unit and an additional
extension kit

Changing the rotational direction (if required)

1. Danger

An electric shock can be life
threatening.
Before opening the boiler,
disconnect it from the mains
voltage, e.g. at the fuse or
mains isolator.

Remove the casing cover (see
chapter "Overview of electrical con­nections").

2.

Switch cores BK and BK on
plug gS.

3. Refit the casing cover.

4. Check the rotational direction.

Specification

Flow temperature sensor

Sensor type Viessmann cylinder temperature sensor (NTC)
IP rating IP 53 to EN 60 529; ensure through design/installa-

tion
Permissible ambient tem­perature

■ During operation −20 to +90 °C

■ During storage and trans-

port

5443 825 GB

–20 to +70 °C

31

0.1

1

10

100

0 20 40 60 80 100
Temperature in °C

Resistance in kΩ

25

Extension kit with mixer PCB

(cont.)

Curve

Mixer motor

Rated voltage 230 V~
Rated frequency 50 Hz
Rated current 2 A
Power consumption 5.5 W
Protection class I
IP rating IP 32 D to EN 60 529, ensure through design/instal-

lation
Permissible ambient tem­perature

■ During operation 0 to +40 °C

■ During storage and trans-

–20 to +65 °C

port
Rated relay output breaking
capacity

■ Heating circuit pump 2 (1) A 230 V~

■ Mixer motor 0.2 (0.1) A 230 V~

32

5443 825 GB

3.

2.

3

2

1

N

|

~

A

4.

Extension kit without mixer PCB

Note

Bundle the power cables below the
extension kit and secure with cable ties.

Connecting the extension kit to the control unit

Connecting the flow temperature

Connecting the mixer motor

sensor

Push cable plug gS into the corre-

Push sensor plug ? into the corre-

sponding socket of the control unit.

sponding socket of the control unit.

Installation and service instruc-

Installation and service instruc-

tions of the relevant control unit

tions of the relevant control unit

Changing the rotational direction (if required)

1. Switch OFF the power supply to the

control unit.

2. Remove the enclosure lid.

3.

Pull out 3-pin plug A in the mixer
motor.

5443 825 GB

4.

Insert 3-pin plug A in the mixer
motor rotated through 180°.

5. Check the rotational direction.

33

0 20 40 60 80 100

540

560

580

600

620

640

660

680

700

720

Resistance in Ω

740

Flow temperature in °C

Extension kit without mixer PCB

(cont.)

Specification

Flow temperature sensor

Sensor type Viessmann Ni500
IP rating IP 32 to EN 60 529; ensure through de-

sign/installation

Permissible ambient temperature

■ during operation 0 to +120 °C

■ during storage and transport –20 to +70 °C

Curve

34

5443 825 GB

Extension kit without mixer PCB

(cont.)

Mixer motor

Rated voltage 230 V~
Rated frequency 50 Hz
Rated current 2 A
Power consumption 4 W
Protection class I
IP rating IP 42 to EN 60 529; ensure through de-

sign/installation

Permissible ambient temperature

■ during operation 0 to +40 °C

■ during storage and transport –20 to +65 °C
Rated capacity of the relay outputs

■ Heating circuit pump 4 (2) A 230 V~

■ Mixer motor 0.2 (0.1) A 230 V~

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35

Declaration of Conformity

Mixer extension kit

We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, declare as sole
responsible body that the named product complies with the provisions of the follow­ing directives and regulations:

2014/30/EU EMC Directive
2014/35/EU Low Voltage Directive
2006/42/EEC Machinery Directive

Applied standards

EN 55014-1: 2006 + A1:2009 + A2:2011
EN 55014-2: 2015
EN 60335-1: 2012 / AC:2014
EN 60335-2-102: 2006 + A1:2010

In accordance with the listed directives, this product is designated with .

Allendorf, 31/08/2016 Viessmann Werke GmbH & Co. KG

Authorised signatory Manfred Sommer

Viessmann Werke GmbH & Co. KG
D-35107 Allendorf
Telephone: [phone]
Fax: [phone]
www.viessmann.com

36

Viessmann Limited
Hortonwood 30, Telford
Shropshire, TF1 7YP, GB
Telephone: [phone]
Fax: [phone]
E-mail: [e-mail]

5443 825 GB Subject to technical modifications.