GE GFDR485EF - Gas Heating System Conversion and Thermostat;Thermistor Service

45
:KHQWKHVDIHW\YDOYHRSHQVWKHPDLQFKDPEHU¿OOV
with gas, as shown below.
Safety Valve Open
:KHQWKHPDLQYDOYHRSHQVJDVÀRZVRXWRIWKH
PDLQFKDPEHUDQGRXWWKURXJKWKHRUL¿FHDVVKRZQ
below.
Electrical Operation
IGNITOR
(GLOWING RED)
DETECTOR
MAIN
SAFETY
BOOSTER
L1
N
Flame Detector Closed
When the igniter reaches ignition temperature (ap-
SUR[LPDWHO\VHFRQGVRUOHVVWKHÀDPHGHWHFWRU
opens. This causes the main coil to be in series with
the igniter, which causes the igniter to cool down.
+RZHYHUWKHÀDPHGHWHFWRULVKHOGRSHQE\UDGLDQW
KHDWIURPWKHJDVÀDPH7KHERRVWHUFRLOLVQRZLQ
series with the main coil, and is essentially inopera-
tive.
IGNITOR
(NOT GLOWING)
DETECTOR
MAIN
SAFETY
BOOSTER
L1
N
Flame Detector Open
Sh o u l d a m o m e n t a r y p o w e r f a i l u r e o c c u r, t h e v a l v e
ZLOOVKXWRȺDQGDQDWWHPSWWRUHVWDUWZLOOQRWRFFXU
XQWLOWKHÀDPHGHWHFWRUFRROVGRZQ
Gas Conversion
To c o n v e r t t h e d r y e r f r o m n a t u r a l g a s t o LP g a s ,
refer to the conversion kit (Pa r t # : WE25X10032).
To c o n v e r t t h e d r y e r f r o m LP g a s t o n a t u r a l g a s , r e f e r
to the conversion kit (Pa r t # : WE25X10033).
Gas Val ve
Operating Voltage: 120 VAC
Booster Resistanceű
Safety Resistanceű
Main Resistanceű
Th e g as va lve a nd c oi l s c om e a s a co mp l et e a ssem -
bly, coils are not available as a separate part.
Gas Va l v e Rem ov al
1. Disconnect power from the unit .
2. 6KXWRȺWKHJDVVXSSO\
See Ga s Va l v e L o c a t i o n o n p a g e 4 4 .