Viessmann VITOCELL 100-B Istruzioni operative
Service instructions
for contractors
VIESMANN
Vitocell 100-B
Type CVBA
Dual mode DHW cylinder with Solar-Divicon
Vitocell 100-W
Type CVBA
Dual mode DHW cylinder with Solar-Divicon
For applicability, see the last page
VITOCELL 100-B
VITOCELL 100-W
5671 666 GB 9/2012 Please keep safe.
2
Please follow these safety instructions closely to prevent accidents and mate-
rial 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" con-
tain additional information.
Target group
These instructions are exclusively
designed for qualified personnel.
■ Work on gas equipment must only be
carried out by a qualified gas fitter.
■ Work on electrical equipment must
only be carried out by a qualified elec-
trician.
■ The system must be commissioned by
the system installer or a qualified per-
son authorised by the installer.
Regulations
Observe the following when working on
this system
■ all legal instructions regarding the pre-
vention of accidents,
■ all legal instructions regarding envi-
ronmental protection,
■ the Code of Practice of relevant trade
associations,
■ all current safety regulations as
defined by DIN, EN, DVGW, TRGI,
TRF, VDE and all locally applicable
standards,
■ Gas Safety (Installation & Use) Regu-
lations
– the appropriate Building Regulation
either the Building regulations, the
Building Regulation (Scotland),
Building Regulations (Northern Ire-
land),
– the Water Fittings Regulation or
Water Bylaws in Scotland,
– the current I.E.E. Wiring Regula-
tions.
If you smell gas
Danger
Escaping gas can lead to explo-
sions which may result in serious
injury.
■ Never smoke. Prevent naked
flames and sparks. Never
switch lights or electrical appli-
ances ON or OFF.
■ Close the gas shut-off valve.
■ Open windows and doors.
■ Remove all people from the
danger zone.
■ Notify your gas or electricity
supplier from outside the build-
ing.
■ Shut off the electricity supply to
the building from a safe place
(outside the building).
Safety instructions
Safety instructions
5671 666 GB
3
If you smell flue gas
Danger
Flue gas can lead to life-threat-
ening poisoning.
■ Shut down the heating system.
■ Ventilate the boiler room.
■ Close all doors leading to the
living space.
Working on the system
■ When using gas as fuel, also close the
main gas shut-off valve and safeguard
against unauthorised reopening.
■ Isolate the system from the power sup-
ply and check that it is no longer 'live',
e.g. by removing a separate fuse or by
means of a main isolator.
■ Safeguard the system against unau-
thorised reconnection.
!Please note
Electronic modules can be dam-
aged by electro-static dis-
charges.
Touch earthed objects, such as
heating or water pipes, to dis-
charge static loads.
Repair work
!Please note
Repairing components which ful-
fil a safety function can compro-
mise the safe operation of your
heating system.
Replace faulty components only
with original Viessmann spare
parts.
Ancillary components, spare and
wearing parts
!Please note
Spare and wearing parts which
have not been tested together
with the heating system can com-
promise its function. Installing
non-authorised components and
non-approved modifications/con-
version can compromise safety
and may invalidate our warranty.
For replacements, use only orig-
inal spare parts from Viessmann
or those which are approved by
Viessmann.
Safety instructions
Safety instructions (cont.)
5671 666 GB
4
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance.......................................... 5
Further details regarding the individual steps....................................................... 6
Parts lists
With solar control module, type SM1.................................................................... 12
With Vitosolic 100, type SD1................................................................................ 13
Commissioning/service reports........................................................................ 16
Specification....................................................................................................... 17
Certificates
Declaration of conformity...................................................................................... 19
Index
Index
5671 666 GB
5
For further information regarding the individual steps, see the page indicated
Commissioning steps
Inspection steps
Maintenance steps Page
••• 1. Control principles........................................................... 6
•2. Filling the DHW cylinder................................................ 6
• • 3. Inspection and maintenance......................................... 7
• • 4. Shutting down the system
• • 5. Checking the function of safety valves
• • 6. Testing the anode earth current with an anode tester 7
• • 7. Cleaning the inside of the DHW cylinder...................... 7
• • 8. Checking and replacing the magnesium anode (if
required).......................................................................... 9
• • 9. Returning the DHW cylinder into use........................... 10
• • 10. Checking connections on the water side for tightness
•11. Replacing the Vitosolic 100/solar control module....... 10
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
5671 666 GB
6
Control principles
Ball valve positions
Ball valve in the solar heating water flow
and in the solar heating water return
within Solar-Divicon:
■ In line with the pipe run:
– Open
■ Across the pipe run:
– Closed
■ 45° angle to the pipe run
– Check valve open
– The 45° angle (towards the right or
left) is only required for filling and
draining the system.
Vitosol service instructions
Venting the solar heating water flow
(HVs)
Vent at the air vent valve on the vent
pot.
Setting the flow rate on the solar side
In the case of a 3-stage circulation pump:
Adjustment via the flow meter at the
solar heating water return.
In the case of a high efficiency [HE] cir-
culation pump: Open the flow meter ball
valve fully. The flow rate is regulated
electronically.
Flushing & filling
For this, use the fill valve on the solar
heating water return.
Note
Optional connection of a manual solar fill
pump (accessories for solar thermal sys-
tems) to raise the pressure after vent-
ing.
Filling the DHW cylinder
1. Fill the DHW cylinder from the DHW
side.
Note
When the DHW cylinder is pressur-
ised, retighten the flange lid with a
torque of 25 Nm.
2. Check the fittings on the heating
water and DHW sides for tightness
and retighten if required.
3. Check the function of the safety
valves according to the manufactur-
er's instructions.
Commissioning, inspection, maintenance
Further details regarding the individual steps
5671 666 GB
7
Inspection and maintenance
DIN 1988 requires a visual inspection
and (if required) cleaning no later than
two years after the cylinder has been
commissioned and thereafter according
to requirements.
Note
We additionally recommend an annual
visual inspection of the magnesium
anode (see page 9).
Testing the anode earth current with an anode tester
B
A
DC
1. Remove cover A and flange insula-
tion B.
2. Pull earth cable C off tab D.
3. Connect tester in series across earth
cable C and tab D.
■ The anode is OK if the current
measures > 0.3 mA.
■ If the current measures < 0.3 mA or
if there is no current at all, inspect
the anode visually.
Cleaning the inside of the DHW cylinder
Danger
DHW and heating water that can
leak out unchecked can result in
scalding and structural damage.
Only open the DHW and heating
water connections after the DHW
cylinder has been depressur-
ised.
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5671 666 GB
8
A
7x
B
E
D
1x
1. Drain the DHW cylinder from the
DHW side.
!Please note
Material losses may result
from draining with a vacuum
pump when the air vent valve
is closed.
Open the air vent valve during
draining.
2. Remove cover A flange insulation
B and flange lid E.
3. Disconnect the DHW cylinder from
the pipework to prevent cleaning
agents and contaminants entering
the pipework.
4. Remove loose deposits with a high
pressure cleaner.
!Please note
Pointed or sharp cleaning
apparatus will damage the
cylinder interior.
Only use plastic tools to clean
the inside.
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5671 666 GB
9
5. Use a chemical cleaning agent to
remove hard deposits that cannot be
removed by a high pressure
cleaner.
!Please note
Cleaning agents containing
hydrochloric acid attack the
material of the DHW cylinder.
Never use such cleaning
agents.
Danger
Cleaning agent residues can
result in poisoning.
Always observe the details
provided by the manufacturer
of the cleaning agent.
6. Fully drain any cleaning agent.
7. Flush the DHW cylinder thoroughly
after cleaning.
Checking and replacing the magnesium anode (if required)
F
Check magnesium anode F.
We recommend you replace the magne-
sium anode if the diameter has been
reduced down to 7 10−15 mm.
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5671 666 GB
10
Returning the DHW cylinder into use
A
7x
B
E
G
1x
DC
1. Reconnect the DHW cylinder to the
pipework.
2. Insert new gasket G underneath
flange lid E.
3. Mount flange lid E with earth cable
C and tighten the screws with a
maximum torque of 25 Nm.
4. Push earth cable C onto tab D.
5. Fill the DHW cylinder from the DHW
side and then retighten flange lid E
with a torque of 25 Nm.
6. Mount flange insulation B and cover
hood A.
Replacing the Vitosolic 100/solar control module
1. Remove thermal insulation H
towards the front.
2. Remove Vitosolic 100 K towards
the front.
or
Remove solar control module L
towards the front.
3. Open the control unit casing and
undo cables/leads.
Vitosolic 100/solar control
module installation and serv-
ice instructions
4. Install the new control unit in reverse
order.
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5671 666 GB
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