Viessmann VITOCELL 300B Istruzioni operative
VIESMANN
Service instructions
for contractors
Vitocell 300-B
Type EVB
DHW cylinders, 300 and 500 litres
Vitocell 300-V
Type EVI
DHW cylinders, 200 to 500 litres
VITOCELL 300-B
VITOCELL 300-V
5692 709 GB 3/2007 Please keep safe.
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 pollution.
Note
Details identified by the word "Note"
contain 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 fit-
ter.
&Work on electrical equipment must
only be carried out by a qualified
electrician.
&The system must be commissioned
by the system installer or a qualified
person authorised by the installer.
Regulations
Observe the following when working
on this system
&all legal instructions regarding the
prevention of accidents,
&all legal instructions regarding
environmental protection,
&theCodeofPracticeofrelevant
trade associations,
&all current safety regulations as
defined by DIN, EN, DVGW, TRGI,
TRF, VDE and all locally applicable
standards.
If you smell gas
Danger
Escaping gas can lead to
explosions which may result in
serious injury.
&Never smoke. Prevent naked
flames and sparks. Never
switch lights or electrical
appliances 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
building.
&Shut off the electricity supply
to the building from a safe
place (outside the building).
If you smell flue gas
Danger
Flue gas can lead to life-threa-
tening poisoning.
&Shut down the heating sys-
tem.
&Ventilate the boiler room.
&Closealldoorsleadingtothe
living space.
Safety instructions
2
Safety instructions
5692 709 GB
Workingonthesystem
&When using gas as fuel, also close
the main gas shut-off valve and
safeguard against unauthorised
reopening.
&Isolate the system from the power
supply 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
unauthorised reconnection.
!Please note
Electronic modules can be
damaged 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
fulfil a safety function can com-
promise 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
compromise its function. Instal-
ling non-authorised compo-
nents and non-approved
modifications/conversion can
compromise safety and may
invalidate our warranty.
For replacements, use only ori-
ginal spare parts from
Viessmann or those which are
approved by Viessmann.
Safety instructions (cont.)
3
Safety instructions
5692 709 GB
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance................................... 5
Further details regarding the individual steps .............................................. 6
Parts lists
Parts list Vitocell 300-B (300 litres).............................................................. 9
Parts list Vitocell 300-B (500 litres).............................................................. 11
Parts list Vitocell 300-V (200 and 300 litres) ................................................ 13
Parts list Vitocell 300-V (500 litres).............................................................. 15
Commissioning/service reports............................................................... 17
Product parameters .................................................................................. 18
Accessories
Accessory specification .............................................................................. 19
Certificates
Declaration of conformity ............................................................................ 21
Index
4
Index
5692 709 GB
For further information regarding the individual steps, see the page indicated
Commissioning steps
Inspection steps
Maintenance steps Page
!!!
•1. Filling the DHW cylinder..................................................... 6
•• 2. Inspection and maintenance ............................................ 6
•• 3. Shutting down the system
•• 4. Checking the sensor wells for leaks
•• 5. Checking the function of all safety valves
•• 6. Cleaning the inside of the DHW cylinder...................... 6
•• 7. Returning the DHW cylinder into use ............................ 8
•• 8. Checking connections and sensor wells for leaks
on the heating water side
Steps - commissioning, inspection and maintenance
5
Commissioning, inspection, maintenance
5692 709 GB
Filling the DHW cylinder
1. Fill the DHW cylinder from the
DHW side.
Note
If the DHW cylinder is pressurised,
re-torque the flange lid with a tor-
queof40Nm.
The cylinder cap does not need to
be tightened.
2. Check the fittings on the heating
water and DHW side for leaks and
tighten, if required.
3. Check sensor wells for leaks and
retighten, if required.
4. Check the function of the safety
valves according to manufacturer's
instructions.
Inspection and maintenance
DIN 1988 specifies a visual inspection
and (if required) cleaning no later than
two years after the cylinder has been
taken into use and thereafter accord-
ing to requirements.
Cleaning the inside of the DHW cylinder
1. Drain the DHW cylinder from the
DHW side.
2. Remove top panel Aor hood B,
thermal insulation mats Cand
thermometer sensor D.
3. Remove flange lid Eor cylinder
cap Fwith stainless steel circular
blank Gand gaskets H.
4. Disconnect the DHW cylinder from
the pipework to prevent cleaning
agents and contaminants entering
the pipework.
5. Remove loose deposits with a high
pressure cleaner.
Further details regarding the individual steps
6
Commissioning, inspection, maintenance
5692 709 GB
!Please note
Pointed objects or those with
sharp edges will damage the
internal cylinder wall.
Only use plastic tools to
clean the inside.
6. 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 cylin-
der.
Never use such cleaning
agents.
Danger
Cleaning agent residues can
lead to poisoning.
Always observe the details
provided by the cleaning
agent manufacturer.
7. Fully drain any cleaning agent.
8. Thoroughly flush the DHW cylin-
der after cleaning.
Parts list Vitocell 300-B (300 litres)
7
Commissioning, inspection, maintenance
5692 709 GB
Returning the DHW cylinder into use
1. Reconnect the DHW cylinder to the
pipework.
2. Insert new gaskets Hunderneath
flange lid Eor cylinder cap F.
3. Refit flange lid Eor cylinder cap
Fwith stainless steel circular
blank Gand tighten with the
required torque.
&Cylinder cap: 160 Nm
&Flange lid: 40 Nm
4. Fill the DHW cylinder from the DHW
side.
5. If the DHW cylinder is pressurised,
re-tighten the screws on flange lid
Ewithatorqueof40Nm.
6. Fit thermometer sensor D, thermal
insulation mats Cand hood Bor
top panel A.
Further details regarding the individual steps (cont.)
8
Commissioning, inspection, maintenance
5692 709 GB
When ordering spare parts:
Quote the type and serial no. (see
type plate) and the item no. of the
required part (as per this parts list).
Obtain standard parts from your local
supplier.
001 Top panel
002 Upper insulation mat
003 Hood
004 Thermal insulation mat hood
005 Sensor retaining clip
006 Cylinder cap (with items 007 and
008)
007 Stainless steel circular blank
(with item 008)
008 Gasket
009 Sensor fixture
010 Sensor well (with item 009)
011 Sensor well thermal insulation
012 Reducer
013 Adjustable foot
014 Gasket
015 Dummy flange (with item 014)
016 Thermometer
018 Vitocell 300 logo
019 Cable trunking
Parts not shown
020 Installation instructions
022 Service instructions
023 Touch-up spray, Vitosilver
024 Touch-up paint stick, Vitosilver
AType plate
Parts list Vitocell 300-B (300 litres)
9
Parts lists
5692 709 GB
Parts list Vitocell 300-B (300 litres) (cont.)
10
Parts lists
5692 709 GB
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