Specifications

STOPPING PROCEDURE
1. Turn OFF gas at source. (Turn off cylinder valve).
2. Disconnect gas supply.
3. Allow fan to run for 2 - 3 minutes with burner off, in order to allow casing to
cool down.
4. Switch OFF fan, and disconnect electrical supply.
Minimum fresh air opening requirements
Heater Model Output Minimum Minimum
Btu/hr Ventilation ft
2
Ventilation mtrs
2
Little Devil 34,000 0.25 0.023
Devil 650 60,000 0.36 0.035
Devil 850 78,500 0.75 0.07
Devil 1250 121,000 1.03 0.10
Devil 1850 170,000 1.40 0.13
Devil 3150 300,000 2.40 0.22
eg. For the Devil 1250 at max. output, a 3ft window must be open by 13" minimum
As a general rule of thumb, an opening of 1in
2
per 1000 Btu/hr is a minimum
requirement.
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