Form
483S
Rev
Jan
09
Page 52 of 53
10.1.4 Carry out checks in accordance with Section 7.3 of this manual to ensure correct supply pressure relative to the
gas type being used (G30 - Butane or G31 - Propane).
10.2
Conversion from cat 3+ (LPG) to cat 2H (Natural Gas)
10.2.1 Remove the Injector from the Injector Fitting (see Section 9.6) and replace it with the alternative Injector
supplied (fastenings pack). Check that the size reference marked on the Injector agrees with that listed in the
Technical Data table (Section 1) for the appliance model in question.
10.2.2 Remove the pressure governor cap from the integral pressure governor of the Control Valve and unscrew
the adjuster anti-clockwise 3 complete turns.
10.2.3 Affix the gas adjustment label (2H, G20, 20mbar) supplied (fastenings pack) onto the Data Label adjacent to the
headings, "Adjusted For" and "Setting Pressure" to cover the original gas adjustment label (3+, G30/G31,
29/37mbar).
10.2.4 Carry out checks in accordance with Section 7.3 of this manual to ensure correct supply pressure and
setting pressure, relative to the gas type being used (G20 - Natural Gas).
11 OPERATING INSTRUCTIONS
11.1.
Ensure that the Control Box door is closed and secured with the two toggle latches.
The heater will not operate with the door open.
11.2
Turn on the gas supply to the appliance.
11.3
Set any time switches or thermostats to demand heat.
11.4
Switch on the electricity supply to the appliance. The red neon indicator and amber neon indicator will be
illuminated.
11.5
The burner should ignite within 20 seconds. Both red and amber neon indicators will remain illuminated.
11.6
Failure to ignite will result in the ignition controller going to "lockout" condition. The red neon indicator will
remain illuminated. The amber neon indicator will be extinguished.
11.7
If lockout occurs, switch off the electricity supply to the appliance, wait for 10 seconds before switching on the
electricity supply to the appliance to repeat the ignition sequence.
11.8
If the appliance fails to ignite after a second sequence switch off the electrical supply to the appliance and call
the service engineer.
11.9
If gas failure occurs after successful ignition the appliance will attempt one re-ignition before going to
lockout
condition.
11.10
To shut down the appliance for short periods of time, switch off the electricity supply to the appliance.
11.11
To shut down the appliance for longer periods of time, switch of the electricity supply to the appliance and turn
off the gas supply at the gas isolation valve.
Summary of Contents for CBU09
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Page 55: ...Form 483S Rev Jan 09 Page 53 of 53 NOTES GB IE ES IT PT...
