17
operation
NOTICE
• The major electrical components of this heater are protected by a
circuit breaker (fuse) mounted to the power switch. If your heater fails
to start, check this first and replace as necessary. You should also
check your power source to insure that proper voltage and frequency
are being supplied to the heater.
• When using diesel fuel in cold ambient temperatures (below 35° F)
fuel additives will be required to prevent the diesel fuel from “jelling”.
Follow the mixing instructions provided by the diesel additive supplier
for the correct additive/fuel ratio.
Heater must go through cooling cycle. The cooling cycle cools the
combustion chamber. Damage to heater can occur if combustion
chamber is not cooled. Do not restart heater until cooling cycle is
complete.
1. Push “OPERATION BUTTON”, This will cause heater flame to go out.
The motor will continue to run during The cooling cycle. This allows
the fan to cool the combustion chamber. When the cooling cycle
(approx. 2 minutes) is finished, the motor will stop. Do not unplug
heater until cooling cycle is finished.
2. Disconnect heater from power source.
3. To temporarily stop heater, set thermostat at a temperature lower than
air around heater. Heater will cycle back on if air temperature around
heater is lower than thermostat setting.
STOPPING THE HEATER
WARNING
• NEVER DISCONNECT THE SUPPLY PLUG TO STOP THE HEATER
WHILE IN OPERATION.
The cooling cycle cools the combustion chamber.
1. Wait until cooling cycle is finished after stopping heater.
2. Repeat steps under TO START HEATER.
RESTARTING THE HEATER
CAUTION
• DO NOT RESTART HEATER UNTIL COOLING CYCLE IS FINISHED.
Summary of Contents for HK400FW
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