DUALAIR® HEATING AND COOLING UNITS INSTALLATION OPERATION AND SERVICE MANUAL
16.5 Heater Pressure Switch
Pull off 3 way connector. Spring open plastic clips of mounting cradle. Replace with correct type of pressure switch for model. The pressure switches are colour coded for each pressure setting.
Carry out a commission after working on or changing a pressure switch.
See Page 21, Section 11.
WARNING
Carbon Monoxide Hazard
Use correct pressure switch specified for each model.
Use of incorrect pressure switch could cause unsafe condition.
Failure to follow these instructions can result in death or serious injury.
Pressure Switch | 75 | 90 | 100 | 115 |
RG P/N | 90439811 | 90439807 | 90439811 | 90439807 |
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Colour Code | grey | brown | grey | brown |
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