2-19. RADIANT HEATER
2-16
1. Remove electrical power supplied to the cabinet.
To avoid electrical shock or property damage, move the
power switch to OFF and disconnect main circuit
breaker, or unplug cord at wall receptacle.
2. Remove the four screws located at the bottom of the heater
housing - two on each end.
Step 2
3. Remove the electrical wires from the heater. Check with an
ohmmeter across end terminals. The ohm reading should be as
follows:
HCW-3 (208 volts) ..................................
HCW-3 (230 volts) ..................................
HCW-5 lower (208 volts) ........................
HCW-5 lower (230 volts) ........................
HCW-5 upper (208 volts) ........................
HCW-5 upper (230 volts) ........................
Step 3
HCW-8 lower (208 volts) ........................
HCW-8 lower (230 volts) ........................
HCW-8 upper (208 volts) ........................
HCW-8 upper (230 volts) ........................
If a heater checks defective, replace it by continuing with this
procedure.
4. Slide the brackets off the defective heater and install brackets
on new heater.
5. Install the new heater in reverse order.
6. Turn on the power at the breaker box.
Model HCS-2,HCW-3/HCW-5/HCW-8
43 ohms
53 ohms
43 ohms
53 ohms
108 ohms
132 ohms
22 ohms
26 ohms
54 ohms
66 ohms
103