Viessmann Vitodens 050-W BP JD Guía rápida
Installation and service
instructions
for contractors
VIESMANN
Vitodens 050-W
Type BPJD, 6.5 to 35.0 kW
Wall mounted gas condensing boiler
For natural gas and LPG
Gas Council Number: 47 819 31, 47 819 32
For applicability, see the last page
VITODENS 050-W
5675 991 GB 2/2015 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 inten-
ded for authorised contractors.
■ Work on gas installations must only be
carried out by a registered 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 to be observed
■ National installation regulations
■ Statutory regulations for the preven-
tion of accidents
■ Statutory regulations for environmen-
tal protection
■ Codes of practice of the relevant trade
associations
■ All current safety regulations as
defined by DIN, EN, DVGW, TRGI,
TRF, VDE and all locally applicable
standards
aÖNORM, EN, ÖVGW-TR Gas,
ÖVGW-TRF and ÖVE
cSEV, SUVA, SVGW, SVTI,
SWKI, VKF and EKAS guideline
1942: LPG, part 2
Safety instructions for working on the
system
Working on the system
■ Where gas is used as the fuel, close
the main gas shut-off valve and safe-
guard it against unintentional reopen-
ing.
■ Isolate the system from the power sup-
ply, 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 recon-
nection.
Danger
Hot surfaces can cause burns.
■ Before maintenance and serv-
ice 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
Safety instructions
5675 991 GB
3
!Please note
Electronic assemblies can be
damaged by electrostatic dis-
charge.
Prior to commencing work, touch
earthed objects such as heating
or water pipes to discharge static
loads.
Repair work
!Please note
Repairing components that fulfil a
safety function can compromise
the safe operation of the sys-
tem.
Replace faulty components only
with genuine Viessmann spare
parts.
Auxiliary components, spare and
wearing parts
!Please note
Spare and wearing parts that
have not been tested together
with the system can compromise
its function. Installing non-author-
ised components and making
non-approved modifications or
conversions can compromise
safety and may invalidate our
warranty.
For replacements, use only orig-
inal spare parts supplied or
approved by Viessmann.
Safety instructions for operating the
system
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.
■ Evacuate any people from the
danger zone.
■ Notify your gas or electricity
supply utility from outside the
building.
■ Have the power supply to the
building shut off from a safe
place (outside the building).
If you smell flue gas
Danger
Flue gas can lead to life threat-
ening poisoning.
■ Shut down the heating system.
■ Ventilate the installation site.
■ Close doors to living spaces to
prevent flue gases from
spreading.
Safety instructions
Safety instructions (cont.)
5675 991 GB
4
What to do if water escapes from the
appliance
Danger
When water escapes from the
appliance there is a risk of elec-
trocution.
Switch off the heating system by
means of an external isolator (for
example fuse box, domestic
power distribution).
Flue systems and combustion air
Ensure that flue systems are clear and
cannot be sealed, for instance due to
accumulation of condensate or other
causes. Ensure an adequate supply of
combustion air.
Instruct system users that subsequent
modifications to the building characteris-
tics are not permissible (e.g. cable/pipe-
work routing, cladding or partitions).
Danger
Leaking or blocked flue systems,
or an inadequate supply of com-
bustion air can cause life threat-
ening poisoning from carbon
monoxide in the flue gas.
Ensure the flue system is in good
working order. Apertures for sup-
plying combustion air must be
non-closable.
Extractors
Operating appliances that extract air to
the outside (cooker hoods, extractors, air
conditioning units, etc.) can create neg-
ative pressure. If the boiler is operated at
the same time, this can lead to reverse
flow of the flue gas.
Danger
The simultaneous operation of
the boiler and appliances that
extract air to the outside can
result in life threatening poison-
ing due to reverse flow of the flue
gas.
Fit an interlock circuit or take suit-
able steps to ensure an adequate
supply of combustion air.
Safety instructions
Safety instructions (cont.)
5675 991 GB
5
Installation instructions
Information
Symbols................................................................................................................ 7
Intended use......................................................................................................... 8
Product information.............................................................................................. 8
Disposal of packaging.......................................................................................... 10
Preparing for installation................................................................................... 11
Installation sequence
Mounting the boiler and making the connections................................................. 15
Opening the programming unit............................................................................. 20
Electrical connections........................................................................................... 21
Service instructions
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance.......................................... 24
Further details regarding the individual steps....................................................... 25
Troubleshooting
Function sequence and possible faults................................................................ 47
Fault display......................................................................................................... 48
Repairs................................................................................................................. 53
Gas type conversion
Converting from LPG to natural gas..................................................................... 63
Control unit
Functions and operating conditions in weather-compensated mode................... 65
Designs
Connection and wiring diagrams.......................................................................... 67
Parts lists
Ordering parts...................................................................................................... 72
Overview of assemblies....................................................................................... 73
Casing assembly.................................................................................................. 74
Heat cell assembly............................................................................................... 75
Burner assembly.................................................................................................. 77
Hydraulic assembly.............................................................................................. 79
Grundfos hydraulic assembly............................................................................... 81
Control unit assembly........................................................................................... 83
Index
Index
5675 991 GB
6
Miscellaneous assembly...................................................................................... 85
Specification....................................................................................................... 86
Certificates
Declaration of conformity...................................................................................... 87
Keyword index.................................................................................................... 88
Index
Index (cont.)
5675 991 GB
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 car-
ried 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 suit-
able collection point. Do not
dispose of component in do-
mestic waste.
Information
Symbols
5675 991 GB
Installation
8
The appliance is only intended to be
installed and operated in sealed unven-
ted heating systems that comply with
EN 12828, with due attention paid to the
associated installation, service and
operating instructions. It is only designed
for the heating of water that is of potable
water quality.
Intended use presupposes that a fixed
installation in conjunction with permissi-
ble, system-specific components has
been carried out.
Commercial or industrial usage for a pur-
pose other than heating the building or
DHW shall be deemed inappropriate.
Any usage beyond this must be
approved by the manufacturer in each
individual case.
Incorrect usage or operation of the appli-
ance (e.g. the appliance being opened
by the system user) is prohibited and will
result in an exclusion of liability. Incorrect
usage also occurs if the components in
the heating system are modified from
their intended use (e.g. if the flue gas and
ventilation air paths are sealed).
Product information
Vitodens 050-W, type BP JD
Preset for operation with natural gas.
Conversion to LPG P requires a gas con-
version kit.
Gas Council No.
■ 29 kW combi: 47 819 31
■ 35 kW combi: 47 819 32
Conversion for other countries
The Vitodens 050-W must only be deliv-
ered to the countries specified on the
type plate. For deliveries to alternative
countries, an approved contractor must
arrange individual approval on his/her
own initiative and in accordance with the
law of the country in question.
Product description
The Vitodens 050-W is available as a
gas condensing combi boiler with inte-
gral plate heat exchanger for DHW heat-
ing. For the connection of heating circuits
and DHW line, see page 14 onwards.
The Vitodens 050-W is set up for opera-
tion with a constant boiler water temper-
ature.
The appliance is equipped with a sealed
unvented hydraulic system with 2 con-
nections for heating flow and return and
2 connections for DHW heating.
Information
Intended use
5675 991 GB
9
The following components are integra-
ted into the hydraulic system:
■ Circulation pump
■ 3-way diverter valve
■ Safety valve
■ Diaphragm expansion vessel
■ Plate heat exchanger for DHW heating
Connecting accessories
A time switch (accessories) can be con-
nected to the control unit with a low volt-
age supply.
Siting
Suitable siting locations include:
■ Recreational rooms and other living
spaces
■ Ancillary rooms without own ventila-
tion
■ Cupboards (open at the top)
■ Recesses without compulsory clear-
ance towards combustible materials
■ Attic rooms (pitched attics and long
panes) where the balanced flue pipe
can be routed directly through the roof
Since the flue pipe connection for room-
sealed operation is surrounded by com-
bustion air (coaxial pipe), no clearances
towards combustible materials need be
maintained. For further details, see the
technical guide on flue systems for the
Vitodens.
The installation area must be safe from
the risk of frost.
Operation of the Vitodens 050-W in wet rooms
Area 0
Area 1
Area
2
Area 2
600
2250
The Vitodens is approved for installation
in wet rooms (e.g. bathroom or shower
rooms) (protection IP X4 D, splash-
proof).
Information
Product information (cont.)
5675 991 GB
Installation
10
When installing the Vitodens in wet
areas, observe the safety zones and
minimum wall clearances according to
VDE 0100 [or local regulations] (see also
"Electrical safety zone"). The Vitodens
may be installed in safety zone 1 if
hosed water (e.g. from massage show-
ers) is prevented.
Electrical equipment in rooms containing
a bathtub or a shower must be installed
in such a way that users cannot be
exposed to dangerous body currents.
VDE 0100 specifies that cables supply-
ing permanently installed consumers in
zones 1 and 2 should only be run verti-
cally and routed into the equipment from
the back.
Disposal of packaging
Please dispose of waste packaging in
line with statutory regulations.
Information
Product information (cont.)
5675 991 GB
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