Cold Start Thermal Switch
Remove thermal switch from thermostat housing. Check switch calibration with 20 in. Hg applied to diaphragms. See COLD START THERMAL SWITCH CALIBRATION .
COLD START THERMAL SWITCH CALIBRATION
| Temperature °F (°C) | 1st Stage | 2nd Stage |
|---|---|---|
| Below 45 (7) | OPEN | OPEN |
| 45-68 (7-20) | OPEN | CLOSED |
| Over 20 | CLOSED | CLOSED |