Viessmann VITODENS 200 Manual de usuario
Installation instructions VIESMANN
for heating engineers
Vitodens 200
Type WB2A, 8.8 to 26.0 kW
Gas fired wall mounted condensing boiler
Natural gas and LPG version
VITODENS 200
5862 559 GB 2/2004 Dispose after installation
Please follow these safety instructions closely to prevent accidents and
material losses.
Safety instructions explained
!Important information
This symbol warns against the
risk of material losses and
environmental pollution.
Safety regulations
Installation, initial start-up, inspection,
maintenance and repairs must be car-
ried out by a competent person (heat-
ing engineer/installation contractor).
Observe all current safety regulations
as defined by DIN, EN, DVGW, TRGI,
TRF, VDE or all locally applicable
standards.
See also the "safety instructions" in
the "Vitotec Technical Guide" folder.
Before working on the equipment/
heating system, isolate the mains
electrical supply (e.g. by removing a
separate mains fuse or by means of a
mains electrical isolator) and safe-
guard against unauthorised reconnec-
tion.
Close the main gas shut-off valve and
safeguard against unauthorised
reopening.
Electrical assemblies provided on site
must be type-approved.
Work on gas equipment
This must only be carried out by an
approved gas fitter.
Observe all commissioning work spe-
cified for gas installations to TRGI or
TRF and all local regulations.
Safety instructions
2
5862 559 GB
Preparing for installation
Product information .................................................................................... 4
Preparations for boiler installation............................................................... 5
Installation
Installing the boiler and making all connections ........................................... 7
Flue gas connection.................................................................................... 8
Condensate connection .............................................................................. 8
Gas connection .......................................................................................... 8
Opening the control unit housing................................................................. 10
Electrical connections................................................................................. 11
&Routing connecting cables....................................................................... 13
Closing control unit housing and inserting user interface ............................. 14
Front panel installation................................................................................ 15
Commissioning and adjustments................................................................. 15
Index
3
5862 559 GB
Vitodens 200, Type WB2A
Set up for operation with natural gas E.
The natural gas E version can be converted to natural gas LL or LPG P using a
conversion kit.
Product information
4
5862 559 GB
For on-site preparation of gas, water and electrical connections, see
installation instructions, installation template or mounting frame.
AHeating flow Rp¾"
BDHW Rp½" (gas fired combination
boiler)
DHW flow G¾" (gas fired boiler)
CGas connection
DCold water Rp½" (gas fired combi-
nation boiler)
DHW return G¾" (gas fired boiler)
EHeating return Rp¾"
FFill & drain valve
GCable arrangement area
HDimension for installation with
DHW cylinder below the boiler.
KCondensate drain
Preparations for boiler installation
5
5862 559 GB
1. Prepare the water connections.
Thoroughly flush the heating sys-
tem.
2. Prepare the gas connection
accordingtoTRGIorTRForall
local regulations.
3. Prepare the electrical connections.
&Mainscable:NYM-J3x1.5mm
2
,
fuse max. 16 A, 230 V~, 50 Hz.
&Accessory cables: NYM with the
required number of conductors
for the external connections.
&Allcablesinarea"G" should
protrude 1200 mm from the wall.
Preparations for boiler installation (cont.)
6
5862 559 GB
AHeating flow
BDHW (gas fired combination boi-
ler)
DHW flow (gas fired boiler)
CGas connection
DCold water (gas fired combination
boiler)
DHW return (gas fired boiler)
EHeating return
FFill & drain valve
Installing the boiler and making all connections
7
5862 559 GB
Connect the balanced flue pipe. Flue gas system installation
instructions.
Condensate connection
Connect the condensate drain with a
pipe air vent valve sloping to the pub-
lic sewer.
Gas connection
AGas connection
Conversion to other gas
types:
Conversion kit installation
instructions
Information regarding operation
with LPG
We recommend the installation of an
external safety solenoid valve when
installing the boiler in rooms below
ground level.
Flue gas connection
8
5862 559 GB
1. Carry out a leak test.
!Important information
Excessive test pressure
leadstodamageonboiler
and gas train.
Max. test pressure
150 mbar. If a higher pres-
sure is required for leak
tests, separate the boiler
and the gas train from the
mains gas supply (undo fit-
tings).
2. Purge the gas supply pipe.
Gas connection (cont.)
9
5862 559 GB
Opening the control unit housing
10
5862 559 GB
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