Please file in Service Binder
6176 450 - 01 03/2022
Part Number 7189873, 7189885
for use with: Vitocrossal 200 CI2
Installation Instructions
Fuel Conversion and Labelling
Removing the Front Panels to Access the Gas Valve (for CI2 399 to 1000)
Refer to the Installation and Start-up/Service
Instructions applicable to this boiler.
Ensure that main power to the equipment being serviced
is off.
Ensure that the main fuel supply valve to the boiler
is closed.
Take precautions to avoid accidental activation of power
or fuel during service work.
Do not perform service work on any component part
without ensuring safe operation of the heating system.
When replacing parts, use original Viessmann or
Viessmann approved replacement parts.
Safety and Installation Requirements
Please ensure that these instructions are read and
understood before starting any service work. Failure
to comply with these instructions may cause product/
property damage, severe personal injury and/or loss
of life.
Working on the equipment
The installation, adjustment, service and maintenance
of this product must be performed by a licensed
professional heating contractor who is qualified and
experienced in the installation, service, and maintenance
of hot water boilers. There are no user serviceable parts
on the boiler, burner or control.
for use by heating contractor
To access the BCU and control unit, panels have to be
removed.
1. Turn the power switch off and disconnect the power
supply to the boiler, close gas shutoff valve.
2. Slide the top panels towards the back, exposing the
front panel release.
3. Using a screwdriver, press down on the front panel
release.
4. Pull the top of the front panel away from the boiler,
then lift up to remove.
Tap the following buttons:
1.
2. “Service”
3. Enter password “viservice”.
4. Confirm with .
5. “Commissioning”
Changing the gas type
1. Set the gas type in the commissioning assistant.
2. Affix the supplied label for the newly set gas type.
3. Complete the supplied report for the change of gas type.
Note: Observe the information and safety instructions
in the installation and service manuals.
Preparing to change the gas type
1. Open the gas shut-off valve.
2. If the appliance has not been switched on yet:
Turn on the ON/OFF switch.
The commissioning assistant starts
automatically.
Proceed to changing the gas type.
or
If the appliance has already been switched on,
perform the following steps.
Convert Fuel Type
Technical information subject to change without notice. Printed on environmentally friendly
(recycled and recyclable) paper.
6176 450 - 01
CI2 Fuel Conversion and Labelling Installation
Labelling Instructions
Natural Gas (NG) to Liquid Propane Gas (LPG)
C 5167212 (This unit is equipped for Propane Gas)
- Remove and discard similar Natural Gas label C and
apply new Propane Gas label to the gas valve.
B 5167295 (This appliance has been field converted
to Liquid Propane Gas)
- Apply on the boiler rear panel below the CSA Rating
Plate A.
Liquid Propane Gas (LPG) to Natural Gas (NG)
C 5167211 (This unit is equipped for Natural Gas)
- Remove and discard similar Liquid Propane Gas label
C and apply new Natural Gas label to the gas valve.
B 5167296 (This appliance has been field converted
to Natural Gas)
- Apply on the boiler rear panel below the CSA Rating
Plate A.
Legend
A CSA Rating Plate
B Field Conversion Label
C Gas Type Label
CI2 1500/2000
CI2 399 to 1000
Front
RearFront
Rear
Removing the Front Panels to Access the Gas Valve (for CI2 1500/2000)
1. Turn the power switch off and disconnect the power
supply to the boiler close gas shutoff valve.
2. Flip open the panel handle located at the top of the
upper front panel.
3. Pull up the upper front panel using the
panel handle.
4. While holding the panel handle, use a screw driver to
release the panel retaining clip.
5. Pull up to finish removing the panel.
6. Using a screw driver, press down on the lower front
panel release.
7. Pull the top of the lower front panel away from the
boiler, lift up to remove.
WARNING
Failure to keep a firm grip on the panel handle may
cause the upper front panel to fall causing injury.
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