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3061490_0709
Checking the gas supply pressure
Checking the gas supply pressure
- Switch OFF the gas fired boiler. Open the gas shut-off
valve.
- 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.
- To pivot the control unit, push in the tab on the r.h.
side of the thermomanometer using a screwdriver.
- Pivot the control unit out.
- Release the plug at test nipple (1) and vent the gas
supply pipe.
- Connect the differential pressure meter to "+" at test
port (1). Connect "-" against atmosphere.
- Switch ON the ON/OFF switch.
- After starting the boiler, check the supply pressure at
the differential pressure gauge.
Work on gas components MUST ONLY be
preformed by a registered gas fitter. Work
which is carried out incorrectly may lead
to gas escaping, resulting in a risk of ex
-
plosion, asphyxiation or poisoning.
Tab
Fig.: Push in the tab
L.h. rotating locking screw
R.h. rotating locking screw
Fig.: Open the rotating locking screws
Fig.: Check the gas supply pressure
Summary of Contents for CGB-35
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