Thermistors Indoor; Thermistors Outdoor - GE AZ45E07EA Series Technical Service Manual

Thermistors Indoor

All 265 volt Zoneline models have two indoor
thermistors which are attached to the indoor coil,
and an outlet air thermistor attached to the air
The indoor air thermistor is mounted on the front of
the coil to sample the incoming room air.
The indoor coil thermistor is mounted on the right
side of the coil in a copper well to sample the coil
temperature.
The outlet air thermistor is mounted on the air
Indoor Thermistor Resistance (ohms)
°F AIR
10 63,260
30 34,620
32 32,860
50 19,970
70 11,950
90 7,320

Thermistors Outdoor

All Zoneline heat pump models have two outdoor
thermistors.
One outdoor thermistor is attached to the outdoor
coil, and one outdoor thermistor is set into the
base assembly, enabling it to monitor outdoor air
temperature.
Outdoor Thermistors Resistance (ohms)
°F AIR
10 28030
30 15340
32 14570
50 8850
70 5300
90 3280
– 34 –
COIL OUTLET
94,900 296,800
51,940 169,800
49,330 161,500
29,960 99,480
17,930 59,700
10,970 36,990
COIL
28030
15340
14570
8850
5300
3280