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DUALAIR
®
HEATING AND COOLING UNITS INSTALLATION OPERATION AND SERVICE MANUAL
40
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.
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.
WARNING
75 90 100 115
90439811 90439807 90439811 90439807
grey brown grey brown
Pressure Switch
RG P/N
Colour Code