Manual 2100-344
Page
16
CHECKING TEMPERATURE SENSOR
CHECK OUT
1. Disconnect temperature sensor from board and from
outdoor coil.
2. Use an ohmmeter and measure the resistance of the
sensor. Also use ohmmeter to check for short or open.
3. Check resistance reading to chart of resistance; use
sensor ambient temperature. (Tolerance of part is
± 10%.)
4. If sensor resistance reads very low, then sensor is
shorted and will not allow proper operation of the heat
pump control.
5. If sensor is out of tolerance, shorted, open, or reads very
low ohms then it should be replaced.
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F
R
F
R
F
R
F
R
TEMPERATURE F vs RESISTANCE R OF TEMPERATURE SENSOR
Содержание PH1224
Страница 15: ...Manual 2100 344 Page 13 FIGURE 11 HEAT PUMP CONTROL BOARD MIS 1191...
Страница 21: ...Manual 2100 344 Page 19 Wiring Diagram 4098 123 printed from CAD to get size needed...
Страница 22: ...Manual 2100 344 Page 20 Wiring Diagram 4098 124 printed from CAD to get size needed...
Страница 23: ...Manual 2100 344 Page 21 Wiring Diagram 4098 211 printed from CAD to get size needed...
