HS: hallsenor
PH: photocell
TP: temp probe
SW: switch
ST: safety thermostat
WIRING DIAGRAM
The parts lists and wiring diagram show the heater as it was constructed.
Do not use a heater which is different from that shown. Heater
performance is effected by air pressure setting. If there is any uncertainty
about the air pressure setting, have it checked. A heater which is not
working right must be repaired, but only by a trained, experienced service
person.
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