Viessmann Vitodens 100 Quick guide

VIESMANN
Installation and service
instructions
for contractors
Vitodens 100
Type WB1A
Gas fired wall mounted condensing boiler
Natural gas version
For applicability, see the last page
VITODENS 100
5862 881 GB 10/2006 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 CORGI regis-
tered gas fitter.
&Electrical work must be compliant
with Part P of the building regula-
tions
&The system must be commissioned
by the system installer or a qualified
person authorised by the installer.
If you notice the smell of gas
Danger
Escaping gas can cause explo-
sions which may lead to ser-
ious injury.
&Do not smoke. Prevent
naked flames and sparks.
&Never operate light switches
or those of electrical equip-
ment.
&Open windows and doors.
&Close the gas shut-off valve.
&Remove all personnel from
the danger zone.
&Observe the safety regula-
tions of your local gas sup-
plier, found on the gas meter.
&Notify your heating contrac-
tor from outside the building.
If you smell flue gas
Danger
Flue gas may lead to life-threa-
tening poisoning.
&Heating system shutdown
&Ventilate the boiler room.
&Close all doors leading to the
living space.
&Do not operate electrical
switches.
Safety instructions
2
Safety instructions
5862 881 GB

Working on the heating system
&Isolate the system from the mains
electric power supply, e.g. by
removing a separate fuse or by
means of a mains electrical isolator,
and check that it is no longer 'live'.
&Isolate the gas supply and safe-
guard against unauthorised reopen-
ing.
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
infringe our warranty condi-
tions.
For replacements, use only ori-
ginal spare parts from
Viessmann or those which are
approved by Viessmann.
Safety instructions (cont.)
3
Safety instructions
5862 881 GB

Installation instructions
Preparing for installation
Product information .................................................................................... 5
Preparing for installation ............................................................................. 5
Installation sequence
Installing the boiler and making all connections ........................................... 31
Flue outlet .................................................................................................. 38
Electrical connections................................................................................. 40
Commissioning and testing ......................................................................... 45
Service instructions
Commissioning, inspection, maintenance............................................... 55
Service Instructions
Routine Servicing Instructions .................................................................... 55
Troubleshooting
Fault finding................................................................................................ 66
Repairs ...................................................................................................... 70
Designs
Connection and wiring diagrams –combi boiler .......................................... 78
Connection and wiring diagram - system boiler............................................ 80
Parts lists .................................................................................................. 82
Commissioning/service reports ............................................................... 88
Certificates
Declaration of conformity ............................................................................ 92
Keyword index .......................................................................................... 93
Index
4
Index
5862 881 GB

Vitodens100, WB1A
Set up for operation with natural gas.
Preparing for installation
General Information
Appliance description
The Vitodens 100 is a fully automatic,
wall hung, fan assisted balanced flue
condensing boiler for use with natural
gas (G20).
The Vitodens 100 is fully modulating
and provides central heating outputs
between 8.0 kW (27.300Btu/h) and
24.0 kW (84.300Btu/h)/30.0 kW
(93.550 Btu/h) and instantaneous hot
water at outputs between 8.0 kW
(27.300 Btu/h) and 24.0 kW
(84.300Btu/h)/30.0 kW (93.550 Btu/
h).
The appliance always gives priority to
domestic hot water supply.
The appliance is designed for use
with sealed primary water systems
(only) and incorporates a circulation
pump, diverter valve assembly, flow
switch (combi boiler only), DHW
plate-type heat exchanger (combi
boiler only), safety valve and CH
expansion vessel. A separate DHW
expansion vessel is not required.
Internal frost protection and an elec-
tronic control unit is fitted as standard
equipment and the boiler may be used
with any suitable room thermostat and
/ or time clock in addition to the
optional controls available from
Viessmann.
Asbestos, mercury or CFC´s have not
and will not be used in this product.
Certification details
The Vitodens 100 is certified to com-
ply with the requirements of prEN 483
and EN 625 for use in GB and IE
(Great Britain and Ireland) using gas
category 2H (G20 with a governed
gas supply at 20 mbar (8 in.wg) inlet
pressure).
The appliance classification is either
C13x or C33x depending upon whether
a horizontal or vertical flue terminal is
used.
Product information
5
Preparing for installation
5862 881 GB
Installation

Technical Specification
General Specifications and Performance Data
Rated output range
TV/TR50/30 °C kW 8 to 24 8 to 30
TV/TR80/60 °C kW 7.3 to 21.8 7.3 to 27.3
Rated output range kW 7.4 to 22.3 7.4 to 28.0
Maximum gas rate m
3
/h 2.36 2.96
Combi boiler:
Design domestic hot water performance
(specific rate)
l/min 8.0 10.0
Domestic hot water temperature range °C 30 - 60 30 - 60
Maximum mains water inlet pressure bar 10 10
Minimum mains water inlet pressure for
operation
bar 1 1
Total water capacity (including expansion
vessel)
l 3.5 3.5
Minimum CH system pressure (static
head) –Cold
bar 1.0 1.0
Maximum CH system pressure (static
head) –Hot
bar 3.0 3.0
Maximum CH flow temperature °C 80 80
Integral expansion vessel capacity l 8 8
Integral expansion vessel pre-charge
pressure
bar 0.75 0.75
Lift weight
- Combi boiler kg 43 43
- System boiler kg 42 42
Total weight inc. packaging
- Combi boiler kg 48 48
- System boiler kg 47 47
Electrical supply 230 V, 50Hz 230 V, 50Hz
Internal fuse A 4 4
Maximum power consumption W 145 145
Flue outlet (clearance 7): mm 60 60
Ventilation pipe (outside 7) mm 100 100
Gas Council Number
- Combi boiler 47–819–04 47–819–05
- System boiler 41–819–09 —
Product ID _-0085 BQ 0017
Preparing for installation (cont.)
6
Preparing for installation
5862 881 GB

Overall Appliance Dimensions
Combi boiler
ACondensate drain: Plastic pipe
722 mm
BHeating flow: 722 mm
CDHW: 715 mm
DGas connection: Rp ½"
ECold water: 715 mm
FHeating return: 722 mm
GSafety valve drain: 715 mm
Preparing for installation (cont.)
7
Preparing for installation
5862 881 GB
Installation

System boiler
ACondensate drain: Plastic pipe
722 mm
BHeating flow: 722 mm
CDHW cylinder flow: 722 mm
DGas connection: Rp ½"
EDHW return: 722 mm
FHeating return: 722 mm
GSafety valve drain: 715 mm
Preparing for installation (cont.)
8
Preparing for installation
5862 881 GB

Minimum installation clearances
The following minimum clearances (mm) must be maintained for installing and
servicing the appliance.
AFront (behind removable panel) BFront (for service)
Flue System Specifications
Concentric Horizontal Flue System
Standard horizontal flue kit: The appli-
ance can be supplied complete with a
standard concentric horizontal flue
terminal assembly, suitable for flue
lengths of up to 620 mm from the cen-
tre of the flue outlet, which equates to
wall thicknesses of up to 480 mm for
rear flues and 463 mm for side flues,
including minimum clearances.
Extension ducts can be used to
increase the straight flue length up to
6 m and include one 87° elbow.
Preparing for installation (cont.)
9
Preparing for installation
5862 881 GB
Installation

An extra 87° elbow can be used but
this reduces the maximum permissi-
ble length by 1 m . An extra 45° elbow
can be used but this reduces the max-
imum permissible length by 0.5 m .
ACombined length of flue outlet/
ventilation pipe max 6m.
BFlue outlet/ventilation pipe (can
be shortened as necessary)
Concentric Vertical Flue System
The vertical flue kit (optional extra)
with extensions may be used for up
to10 m applications.
An extra 87° elbow can be used but
this reduces the maximum permissi-
ble length by 1 m. An extra 45° elbow
can be used but this reduces the max-
imum permissible length by 0.5 m.
Preparing for installation (cont.)
10
Preparing for installation
5862 881 GB