Testing Conventional Heat Pump Operation; Testing Fossil Fuel Operation - Jackson Systems T-32-TS Touchscreen Thermostat Installation Manual

Comfort system touchscreen thermostat
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TESTING
Touch
MODE
until the word
Cool
appears. Touch the
DOWN
arrow and lower the
setpoint below the space temperature and the first stage cooling differential. After a
brief moment, the internal heating relay 'Y1' will energize and the cooling system
should operate. The word
Cool
will flash continuously. If the thermostat has been
configured for two stage cooling, lower the setpoint below the second stage
differential and the second stage cooling relay 'Y2' will energize. The word
Cool
will
flash twice, pause and repeat the sequence to indicate second stage has been
energized.

TESTING CONVENTIONAL HEAT PUMP OPERATION

When the T-32-TS is configured for conventional heat pump operation, testing is the
same as a heating and cooling system with the exception that the fan 'G' relay is always
energized with compressor, auxiliary and emergency heat calls.

TESTING FOSSIL FUEL OPERATION

When the T-32-TS is configured for fossil fuel operation, testing is the same as a
conventional heat pump system with the exception that the heat pump is never
allowed to run when the fossil fuel furnace is energized. Whenever the thermostat calls
for auxiliary heat, the compressor Y1 and/or Y2 relays are de-energized along with the
fan 'G' relay and the 'W1' relay will energize the fossil fuel furnace.
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