Viessmann Divicon Series User manual

Installation instructions
for contractors
VIESMANN
Divicon
Heating circuit distributor
DIVICON
5443 825 GB 9/2016

2
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 envi-
ronmental 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 fit-
ter.
■ Work on electrical equipment must
only be carried out by a qualified
electrician.
Regulations to be observed
■ National installation regulations
■ Statutory regulations for the preven-
tion of accidents
■ Statutory regulations for environmen-
tal protection
■ 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
aÖNORM, EN, ÖVGW-TR Gas,
ÖVGW-TRF and ÖVE
cSEV, SUVA, SVGW, SVTI,
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 sepa-
rate fuse or by means of a mains iso-
lator) and check that it is no longer
'live'.
■ Safeguard the system against recon-
nection.
■ Where gas is used as the fuel, close
the main gas shut-off valve and safe-
guard it against unintentional reopen-
ing.
Safety instructions
5443 825 GB

3
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
Index
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4
Removing the thermal insulation
3.
2.
4.
1.
Preparing for installation
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5
4.
3.
1.
A
B
2.
AHeating flow BHeating return
Fitting to boiler with pipe assembly (accessories)
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6
Fitting a single module (without manifold)
1.
2.
Ø 10
Wall mounting
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7
1.
2.
A
B
AHeating flow BHeating return
Wall mounting (cont.)
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8
Fitting several modules with manifold (accessories)
Ø 10
300
500
2.
1.
AManifold for 2 Divicons BManifold for 3 Divicons
Wall mounting (cont.)
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9
Manifold (H = 70 mm) for two Divicons
70
142
2.
1.
A
B
A
B
A
B
AHeating flow BHeating return
Wall mounting (cont.)
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10
Manifold (H = 100 mm) for two Divicons
2.
1.
A
B
A
B
A
B
100
167
AHeating flow BHeating return
Wall mounting (cont.)
5443 825 GB