Viessmann Divicon User manual

Installation instructions
for contractors
VIESMANN
Divicon
Heating circuit distributor
Divicon
5836498 GB 11/2018

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 qualified contractors.
■ Work on gas installations may only
be carried out by a registered gas fit-
ter.
■ Work on electrical equipment may
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 G K directives,
ÖVGW-TRF and ÖVE
cSEV, SUVA, SVGW, SVTI,
SWKI, VKF and EKAS guideline
1942: LPG, part 2
Safety instructions
5836498

3
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 (cont.)
5836498

4
Preparing for installation................................................................................... 5
Installation sequence
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
Extension kit with mixer PCB............................................................................... 22
■ Overview of electrical connections.................................................................... 22
■ Rotary switch S1............................................................................................... 23
■ Connecting the PlusBus to the heat generator control unit.............................. 23
■ Power supply.................................................................................................... 24
■ Connecting several accessories....................................................................... 26
■ Connection and wiring diagram........................................................................ 28
■ Changing the rotational direction (if required)................................................... 29
Specification....................................................................................................... 30
Declaration of conformity for extension kit..................................................... 31
Index
5836498

5
Removing the thermal insulation
3.
2.
4.
1.
Preparing for installation
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6
Fitting a single module (without manifold)
1.
2.
Ø 10
Wall mounting
5836498

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 2 Divicons
70
142
2.
1.
A
B
A
B
A
B
AHeating flow BHeating return
Wall mounting (cont.)
5836498

10
Manifold (H = 100 mm) for 2 Divicons
2.
1.
A
B
A
B
A
B
100
167
AHeating flow BHeating return
Wall mounting (cont.)
5836498