Viessmann VITOCELL 300B Instrucciones de funcionamiento
Service instructions
for contractors
VIESMANN
Vitocell 300-B
Type EVB
DHW cylinder, 300 and 500 l
Vitocell 300-V
Type EVI
DHW cylinder, 200 to 500 l
For applicability, see the last page
VITOCELL 300-B
VITOCELL 300-V
5677 372 GB 3/2015 Please keep safe.
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 pollution.
Note
Details identified by the word "Note" contain additional
information.
Target group
These instructions are exclusively intended for author-
ised contractors.
■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 to be observed
■National installation regulations
■Statutory regulations for the prevention of accidents
■Statutory regulations for the protection of the envi-
ronment
■Codes of Practice of the relevant trade associations
■All relevant safety regulations as defined by DIN, EN,
DVGW, VDE and locally applicable standards
aÖNORM, EN and ÖVE
cSEV, SUVA, SVTI, SWKI and SVGW
Working on the system
■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.
!Please note
Electronic assemblies can be damaged by elec-
trostatic discharge.
Prior to commencing work, touch earthed
objects such as heating or water pipes to dis-
charge static loads.
Repair work
!Please note
Repairing components that fulfil a safety func-
tion can compromise the safe operation of your
system.
Replace faulty components with genuine
Viessmann spare parts.
Auxiliary components, spare and wearing parts
!Please note
Spare and wearing parts that have not been tes-
ted together with the system can compromise its
function. Installing non-authorised components
and making non-approved modifications or con-
versions can compromise safety and may inva-
lidate our warranty.
For replacements, use only original spare parts
supplied or approved by Viessmann.
Safety instructions
Safety instructions
5677 372 GB
3
1. Information Symbols ................................................................................................. 4
Intended use .......................................................................................... 4
Product information ................................................................................ 5
2. Commissioning, inspec-
tion, maintenance
Steps - commissioning, inspection and maintenance ............................ 6
3. Parts lists Vitocell 300-V,
200 l and 300 l
Overview of assemblies ......................................................................... 11
DHW cylinder assembly ......................................................................... 12
Flanged immersion heater assembly ..................................................... 14
4. Parts lists Vitocell 300-V,
500 l
Overview of assemblies ......................................................................... 17
Cylinder body assembly ......................................................................... 18
Thermal insulation assembly ................................................................. 20
Flanged immersion heater assembly ..................................................... 22
5. Parts lists Vitocell 300-B,
300 l
Overview of assemblies ......................................................................... 25
DHW cylinder assembly ......................................................................... 26
Flanged immersion heater assembly ..................................................... 28
6. Parts lists Vitocell 300-B,
500 l
Overview of assemblies ......................................................................... 31
Cylinder body assembly ......................................................................... 32
Thermal insulation assembly ................................................................. 34
Flanged immersion heater assembly ..................................................... 36
7. Commissioning/service
reports
.................................................................................................................. 38
8. Specification .................................................................................................................. 39
9. Appendix Final decommissioning and disposal ..................................................... 41
10. Certificates Declaration of conformity ....................................................................... 42
Index
Index
5677 372 GB
4
Symbol 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 environ-
mental 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 sur-
face.
Dispose of component correctly.
Dispose of component at a suitable collec-
tion point. Do not dispose of component in
domestic waste.
The work sequences for commissioning, inspection
and maintenance are summarised in the chapter
"Commissioning, inspection and maintenance "and are
marked as follows:
Symbol Meaning
Work sequences required during commis-
sioning
Not required during commissioning
Work sequences required during inspec-
tion
Not required during inspection
Work sequences required during mainte-
nance
Not required during maintenance
Intended use
The appliance is only intended to be installed and
operated in sealed unvented systems that comply with
EN 12828 / DIN 1988, or solar thermal systems that
comply with EN 12977, with due attention paid to the
associated installation, service and operating instruc-
tions. DHW cylinders are only designed to store and
heat water of potable water quality. Heating water buf-
fer cylinders are only designed to hold fill water of pot-
able water quality. Only operate solar collectors with
the heat transfer medium approved by the manufac-
turer.
Intended use presupposes that a fixed installation in
conjunction with permissible, system-specific compo-
nents has been carried out.
Commercial or industrial usage for a purpose other
than heating the building or DHW shall be deemed
inappropriate.
Any usage beyond this must be approved by the man-
ufacturer for the individual case.
Incorrect usage or operation of the appliance (e.g. the
appliance being opened by the system user) is prohibi-
ted and results in an exclusion of liability.
Incorrect usage also occurs if the components in the
system are modified from their intended use (e.g.
through direct DHW heating in the collector).
Adhere to statutory regulations, especially concerning
the hygiene of potable water.
Information
Symbols
5677 372 GB
Information
5
Vitocell 300-B, type EVB
Stainless steel DHW cylinder with internal indirect coil
for DHW heating in conjunction with solar thermal sys-
tems, floorstanding and wall mounted boilers and/or
heat pumps for dual mode operation.
Capacity: 300 and 500 l
Vitocell 300-V, type EVI
Stainless steel DHW cylinder with internal indirect coil
for DHW heating in conjunction with floorstanding and
wall mounted boilers.
Capacity: 200, 300 and 500 l
Vitocell 300-B and Vitocell 300-V
■An immersion heater can be used
■Suitable for systems to DIN 1988, EN 12 828 and
DIN 4753
Information
Product information
5677 372 GB
Information
6
Commissioning steps
Inspection steps
Maintenance steps Page
•1. Filling the DHW cylinder...................................................................................................... 7
• • 2. Inspection and maintenance............................................................................................... 7
• • 3. Shutting down the system
• • 4. Checking the sensor wells for leaks
• • 5. Checking the function of the safety valves
• • 6. Cleaning the inside of the DHW cylinder........................................................................... 8
• • 7. Returning the DHW cylinder to use.................................................................................... 9
• • 8. Checking connections and sensor wells for tightness on the water side
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
5677 372 GB
7
1. Fill the DHW cylinder from the DHW side.
Note
Once the DHW cylinder is pressurised, retighten
the flange cover with a torque of 40 Nm.
The cylinder cap does not need to be retightened.
2. Check the fittings on the heating water and DHW
sides for leaks and retighten if required.
3. Check sensor wells for leaks and retighten if
required.
4. Check the function of the safety valves according to
the manufacturer's instructions.
Inspection and maintenance
DIN 1988 requires a visual inspection and (if neces-
sary) cleaning no later than 2 years after the cylinder
has been commissioned, and thereafter according to
requirements.
Shutting down the system
Checking the sensor wells for leaks
Checking the function of the safety valves
Commissioning, inspection, maintenance
Filling the DHW cylinder
5677 372 GB
8
F
H
H
A
G
E
B
C
C
D
Fig.1
1. Drain the DHW cylinder from the DHW side.
2. Remove top panel A, hood B, thermal insulation
mats C and thermometer sensor D.
3. Remove flange cover E and cylinder cap F with
stainless steel circular blank G and gaskets H.
4. To prevent cleaning agents and contaminants
entering the pipework, separate the DHW cylinder
from the pipework.
5. Remove loose deposits with a high pressure
cleaner.
!Please note
Pointed or sharp cleaning tools will damage
the cylinder interior.
Only use plastic tools to clean the inside.
6. Use a chemical cleaning agent to remove hard
deposits that cannot be removed with a high pres-
sure cleaner.
!Please note
Cleaning agents containing hydrochloric acid
attack the DHW cylinder material.
Never use such cleaning agents.
Danger
Cleaning agent residues can result in poi-
soning.
Always observe the information provided by
the cleaning agent manufacturer.
7. Fully drain all cleaning agent.
8. Flush the DHW cylinder thoroughly after cleaning.
Commissioning, inspection, maintenance
Cleaning the inside of the DHW cylinder
5677 372 GB
9
F
H
H
A
G
E
B
C
C
D
Fig.2
1. Reconnect the DHW cylinder to the pipework.
2. Insert new gaskets H underneath flange cover E
and cylinder cap F.
3. Refit flange cover E and cylinder cap F with
stainless steel circular blank G and tighten with the
required torque.
■Cylinder cap: 160 Nm
■Flange cover: 40 Nm
4. Fill the DHW cylinder from the DHW side.
5. When the DHW cylinder is pressurised, retighten
the screws on flange cover E with a torque of
40 Nm.
6. Fit thermometer sensor D, thermal insulation mats
C, hood B and top panel A.
Checking connections and sensor wells for tightness on the water side
Commissioning, inspection, maintenance
Returning the DHW cylinder to use
5677 372 GB
10
Commissioning, inspection, maintenance
Checking connections and sensor wells for tightness on the water side
5677 372 GB
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