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unit time to settle out, make sure the unit is supplying
must be thoroughly checked, so postpone the test to
If unit operates properly in the heating cycle, raise the
temperature setting until the heating second stage
temperature setting until the heating second stage
outdoor coil is cold enough to actuate the defrost
control, observe at least one defrost cycle to make
Check to see if all supply and return air grilles are
adjusted and the air distribution system is balanced
on and
sure tubes or lines are not rubbing against each
cooling and heating or automatic changeover for
–
is supplied to the unit and crankcase heater thermostat is
preventing liquid migration and subsequent compressor
– This item is activated by the contactor
– This item is activated by the contactor for
– This control is activated by the
– The Defrost control provides
time/temperature initiation and termination of the defrost
shifts the reversing valve to “cooling” mode, stops the
– These optional controls are used
to prevent full electric heater operation at varying outdoor
– This coil is activated by the
It positions the reversing valve pilot valve for cooling
– This relay is used to energize
thermostats do not energize the motor during electric
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