Viessmann Divicon User manual

Installation instructions
for contractors
VIESMANN
Divicon
Heating circuit distributor
Divicon
5836498 GB 10/2021

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
environmental pollu-
tion.
Note
Details identified by the
word "Note" contain addi-
tional information.
Target group
These instructions are
exclusively intended for
qualified contractors.
■Work on gas installations
may only be carried out
by a registered gas fitter.
■Work on electrical equip-
ment may only be car-
ried out by a qualified
electrician.
Safety instructions
5836498

3
Regulations to be observed
■National installation reg-
ulations
■Statutory regulations for
the prevention of acci-
dents
■Statutory regulations for
environmental protection
■Codes of practice of the
relevant trade associa-
tions
■Relevant country-spe-
cific safety regulations
Working on the system
■Where gas is used as
the fuel, close the main
gas shut-off valve and
safeguard it against
unintentional reopening.
■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.
■Wear suitable personal
protective equipment
when carrying out any
work.
Danger
Hot surfaces and flu-
ids can lead to burns
or scalding.
■Before maintenance
and service work,
switch off the appli-
ance and let it cool
down.
■Never touch hot
surfaces on the
boiler, burner, flue
system or pipework.
Safety instructions (cont.)
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4
!Please note
Electronic assem-
blies can be dam-
aged by electrostatic
discharge.
Prior to commencing
work, touch earthed
objects such as heat-
ing or water pipes to
discharge static
loads.
Repair work
!Please note
Repairing compo-
nents that fulfil a
safety function can
compromise the safe
operation of the sys-
tem.
Replace faulty com-
ponents only with
genuine Viessmann
spare parts.
Safety instructions (cont.)
5836498

5
Information
Disposal of packaging.......................................................................................... 6
Symbols................................................................................................................ 7
Spare parts lists.................................................................................................... 8
Preparing for installation................................................................................... 9
Installation sequence
Wall mounting....................................................................................................... 10
■ Fitting a single module (without manifold)......................................................... 10
■ Fitting several modules with manifold (accessories)......................................... 12
Filling the system.................................................................................................. 19
Fitting the thermal insulation................................................................................ 20
■ Low loss header (if supplied)............................................................................ 20
■ Manifold............................................................................................................ 21
■ Divicon with mixer............................................................................................. 22
■ Divicon without mixer........................................................................................ 23
Extension kit with mixer PCB............................................................................... 26
■ Overview of electrical connections.................................................................... 26
■ Rotary switch S1............................................................................................... 27
■ Connecting the PlusBus to the heat generator control unit.............................. 28
■ Power supply.................................................................................................... 29
■ Connecting several accessories....................................................................... 32
■ Connection and wiring diagram........................................................................ 34
■ Changing the rotational direction (if required)................................................... 35
Specification....................................................................................................... 36
Declaration of conformity for extension kit..................................................... 38
Index
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6
Please dispose of packaging waste in
line with statutory regulations.
Disposal of packaging
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7
Sym-
bol
Meaning
Reference to other document
containing further information
1.
Step in a diagram:
The numbers correspond to
the order in which the steps
are carried out.
Warning of material losses and
environmental pollution
Live electrical area
Pay particular attention.
■ Component must audibly
click into place.
or
■ Acoustic signal
■ Fit new component.
or
■ In conjunction with a tool:
Clean the surface.
Dispose of component correct-
ly.
Dispose of component at a
suitable collection point. Do
not dispose of component in
domestic waste.
Symbols
5836498

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Information about spare parts can be
found at www.viessmann.com/etapp
or in the Viessmann spare part app.
Spare parts lists
5836498

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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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12
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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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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17
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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