Amana GUIA Series Service Instructions Manual page 103

SYSTEM OPERATION
Cooling Mode
The normal operational sequence in cooling mode is as
follows:
1. R and Y thermostat contacts close, initiating a call for
cool.
2. Integrated control module performs safety circuit checks.
3. Outdoor fan and compressor are energized.
4. Circulator blower is energized following a fixed five sec-
ond on delay. Electronic air cleaner terminals are ener-
gized with circulator blower.
5. Furnace circulator blower and outdoor cooling unit run
and integrated control module monitors safety circuits
continuously.
6. R and Y thermostat contacts open, completing the call
for cool.
7. Outdoor fan and compressor are de-energized. Elec-
tronic air cleaner terminals are de-energized.
8. Circulator blower is de-energized following a fixed forty
five second cool off delay period.
9. Furnace awaits next call from thermostat.
Fan Only Mode
The normal operational sequence in fan only mode is as
follows:
1 R and G thermostat contacts close, initiating a call for
fan.
2. Integrated control module performs safety circuit checks.
3. Circulator blower is energized on low heat speed. Elec-
tronic air cleaner terminals are energized.
3. Circulator blower runs, integrated control module moni-
tors safety circuits continuously.
4. R and G thermostat contacts open, completing the call
for fan.
5. Circulator blower is de-energized. Electronic air cleaner
terminals are de-energized.
6. Furnace awaits next call from thermostat.
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