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
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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.)
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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
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Removing the thermal insulation
3.
2.
4.
1.
Preparing for installation
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Fitting a single module (without manifold)
1.
2.
Ø 10
Wall mounting
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1.
2.
A
B
AHeating flow BHeating return
Wall mounting (cont.)
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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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Manifold (H = 70 mm) for 2 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 2 Divicons
2.
1.
A
B
A
B
A
B
100
167
AHeating flow BHeating return
Wall mounting (cont.)
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Manifold (H = 70 mm) for 3 Divicons
2.
1.
A
B
A
B
A
B
A
B
70
142
AHeating flow BHeating return
Wall mounting (cont.)
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Manifold (H = 100 mm) for 3 Divicons
2.
1.
A
A
B
A
B
A
B
B
100
167
AHeating flow BHeating return
Wall mounting (cont.)
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Wall mounting (cont.)
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Low loss header (if supplied)
1.
3.
4.
2.
AHeating flow BHeating return
Wall mounting (cont.)
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1.
2.
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 adjust-
ing screw.
2. For operation, position the slot of
the screw in the horizontal position.
Filling the system
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Low loss header (if supplied)
1.
3.
2.
Fitting the thermal insulation
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Manifold
1.
2.
Fitting the thermal insulation (cont.)
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Divicon with mixer
Note
With several Divicons, first fit the ther-
mal insulation on the right-hand Divi-
con. For the remaining Divicons, fit the
insulation from right to left.
1.2.3.
A
B
3. 2. 3.
2.
1.
ACut off if fitting a single module to
the wall.
BCut out the thermal insulation if
connecting with a union nut.
Fitting the thermal insulation (cont.)
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2.
3.
1.
Fitting the thermal insulation (cont.)
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Divicon without mixer
Note
With several Divicons, first fit the ther-
mal insulation on the right-hand Divi-
con. For the remaining Divicons, fit the
insulation from right to left.
B
1.2.3.
1.
2.
2.
A
ACut off if fitting a single module to
the wall.
BCut out the thermal insulation if
connecting with a union nut.
Fitting the thermal insulation (cont.)
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