Wolf CGB-35, Руководство по установке

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CO2 settings
Adjusting the gas:air mixture
Gas flow adjus -
ting screw
Fig.: Gas combination valve
Flue gas test port
Fig.: Flue gas test with an open boiler
- Terminate the emissions test mode by turning the
temperature selector back into its original position.
L.h. rotating locking screws R.h. rotating locking screws
Fig.: Open the rotating locking screws
Carry out the adjustments in the following sequence: At the factory, the gas combination valve has
been adjusted for the gas type stated on the type plate. Only adjust the gas combination valve after
the system has been changed to a different gas type.
- Pivot the control unit lid down.
Unlock the casing lid with the l.h. and r.h. rotating
locking screws. Release the lower part of the casing
lid and unhook at the top.
- Remove the screw from the l.h. flue gas test port.
- Insert the test probe of the CO2 test equipment into
the flue gas test port.
- Turn the temperature selector to the emissions test
position , (illuminated status display ring flashes
yellow).
- Check the CO2 content at full load, and compare the
actual value with those in the table below.
- Pivot the control unit out and correct the CO2 content
with the gas flow adjusting screw on the gas combi -
nation valve (in accordance with the table).
A) CO
2
adjustment at the upper load
(emissions test mode)
- Turn clockwise - higher CO2 content.
- Turn anti-clockwise - lower CO2 content.
NB
Boiler open
at upper load
Natural gas H
8,6% ±0,2%
LPG P
9,9% ± 0,2%