Viessmann VITOCELL 300B Istruzioni operative
Service instructions
for contractors
VIESMANN
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 7/2009 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
5692 709 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.)
5692 709 GB
4
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)...................................................................... 10
Parts list Vitocell 300-B (500 litres)...................................................................... 12
Parts list Vitocell 300-V (200 and 300 litres)........................................................ 14
Parts list Vitocell 300-V (500 litres)...................................................................... 16
Commissioning/service reports........................................................................ 18
Product parameters........................................................................................... 19
Accessories
Accessory specification........................................................................................ 20
Certificates
Declaration of conformity...................................................................................... 22
Index
Index
5692 709 GB
5
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 safety valves
• • 6. Cleaning the inside of the DHW cylinder........................ 7
• • 7. Returning the DHW cylinder into use............................. 9
• • 8. Checking connections and sensor wells for leaks on
the heating water side
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
5692 709 GB
6
Filling the DHW cylinder
1. Fill the DHW cylinder from the DHW
side.
Note
If the DHW cylinder is pressurised,
re-torque the flange cover with a tor-
que of 40 Nm.
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 requires a visual inspection
and (if required) cleaning no later than
two years after the cylinder has been
taken into use and thereafter according
to requirements.
Commissioning, inspection, maintenance
Further details regarding the individual steps
5692 709 GB
7
Cleaning the inside of the DHW cylinder
F
H
H
A
G
C
D
E
B
C
1. Drain the DHW cylinder from the
DHW side.
2. Remove top panel A or hood B,
thermal insulation mats C and ther-
mometer sensor D.
3. Remove flange lid E or cylinder cap
F with stainless steel circular blank
G and 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.
!Please note
Pointed or sharp cleaning
objects will damage the inter-
nal cylinder wall.
Only use plastic tools to clean
the inside.
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5692 709 GB
8
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 cylinder.
Never use such cleaning
agents.
Danger
Cleaning agent residues can
cause poisoning.
Always observe the details
provided by the manufacturer
of the cleaning agent.
7. Fully drain any cleaning agent.
8. Thoroughly flush the DHW cylinder
after cleaning.
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5692 709 GB
9
Returning the DHW cylinder into use
F
H
H
A
G
C
D
E
B
C
1. Reconnect the DHW cylinder to the
pipework.
2. Insert new gaskets H underneath
flange lid E or cylinder cap F.
3. Refit flange lid E or cylinder cap
F with stainless steel circular blank
G and tighten with the required tor-
que.
■ 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
E with a torque of 40 Nm.
6. Fit thermometer sensor D, thermal
insulation mats C and hood B or
top panel A.
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5692 709 GB
10
When ordering spare parts:
Quote the type and serial no. (see type
plate) and the pos. no. of the required
part (as per this parts list).
Obtain standard parts from your local
supplier.
001 Top cover
002 Upper thermal insulation mat
003 Cover
004 Cover with thermal insulation
005 Sensor retaining clip
006 Cylinder cap (with pos. 007 and
008)
007 Stainless steel circular blank (with
pos. 008)
008 Gasket
009 Sensor retainer
010 Sensor well (with pos. 009)
011 Sensor well thermal insulation
012 Reducer
013 Adjustable foot
014 Gasket
015 Dummy flange (with pos. 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 lists
Parts list Vitocell 300-B (300 litres)
5692 709 GB
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