Operation; Beginning Programmed Operation - Robertshaw 9720 User Manual

The thermostat is now ready to run your saved programs and automatically control the temperature at your programmed
time settings. The thermostat will "flash" the word "heat" or "cool" in the main display when the system is active.
B B eginning Programmed Operation:
NOTE: DO NOT switch system to COOL if outside temperature is
below 50˚F. This can damage the compressor/condenser unit on your
system.
1. Press PROG/MAN button until the display shows that the
thermostat is in the PROGRAM mode. This will allow you to
begin programmed operation.
2. Press SYSTEM button until HEAT, COOL, or AUTO appears on
the display (depending on the season). COOL will control the
air conditioner. HEAT will control the heating system. AUTO will
automatically choose between the HEAT or COOL programs,
depending on the temperature. (See "SELECTING AUTO
CHANGEOVER" for more information.) OFF will show in the
time field when the thermostat is off and not
operating the system. Depending on whether the fan
is programmed or manually set to AUTO or ON, the
fan will automatically run (with or without a delay)
along with your program.
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OPERATION

PROG/MAN
SYSTEM
MON
F
PM
P R O G R A M
MON
F
PM
P R O G R A M
MON
F
PM
P R O G R A M
MON
COOL
F
PM
AUTO FAN P R O G R A M
OPERATION
AUTO FAN
HEAT
AUTO FAN
AUTO
AUTO FAN