40
GTV
FORCED CONVECTION AIR HEATERS
Instructions for Installation and Servicing
The appliance just prepurges
At starting cold air is flowing
The appliance switches over to safety position
The appliance heats insufficiently
The igniter has sparked and the
burner is ignited but the device
stops within short time and the red
lamp is lighting
The phase and null wire is
changed
Change the phase and null
Faulty magnetic valve
Change the magnetic valve
Faulty ionization sensor
Change the ionization
electrode
Airy gas pipe/supply
Remove air from the pipes
There is no gas
Check the gas pressure
In case of only Honeywell electronic control
The appliance switches
over to safety position dur-
ing operation
Interrupted gas
supply(continuous)
Push the „RESET” button
on t he thermostat or PCB
The safety temp� limiter
therm. is switched off
Push the „RESET” button
on the temp� limiter
At starting cold air is
flowing
Faulty adjustment on the
inside thermostat
Check the regulation of fan
controller thermostat
The PUSH MAN/PULL
AUT� button of fan therm� is
pushed in�
Pull out this button until
knocking
The appliance does not
heat sufficiently
The temp� regulator ther-
mostat is badly set up�
Controll the thermostat
Insufficient gas pressure
Check the gas pressure
Not suitable nozzles
Check the proper matching
of nozzles to the gas type�
