Form I-RA/D 140/235 (Version A), Page 38
Troubleshooting Continued
Location of Components Referenced in
Troubleshooting Charts
Backflow Sensor Switch
on the Viewport Door (not
illustrated) - on heaters
installed in Canada
beginning 1/96; on all
units beginning 1/02
Transformer (NOTE:
To access cad cell,
open transformer.)
10 amp fuse mounted on the end of the
electric box. See wiring diagram. NOTE:
Fuse is on all units installed in Canada;
on U.S. units beginning 1/02.
Ignition Controller
Green Light: Limits are satisfied;
heater is ready to operate.
Ignition Controller Reset
Air pressure
switch is
inside the main
electrical box.
115V Terminal
Connections 1-
10 are inside the
main electrical
box.
Green Indicator
Light (”power on”)
Manual Disconnect
Switch
Oil Inlet
Connection
115V Terminal
Connections 11-18
are in the burner
junction box.
Piston-type Air
Compressor
Box contains oil
heat exchanger
(pre-heater)
with 300 watt
heating element
and temperature
controls. Remove
cover to access.
Burner
Motor Reset
Button
Burner Tee with Strainer