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SYSTEM - The
SYSTEM
button allows you to sequentially select three modes
of operation:
COOL
HEAT Not available on some models
FAN ONLY
COOL MODE
SET POINT
F
AUTO FAN
74
FRR103
FRR105
SET POINT
F
AUTO FAN
68
FRR104
When in the COOL or HEAT or FAN ONLY mode, you can also
select FAN MODE, FAN SPEED, TIMER SCHEDULE,
and . The
SYSTEM MODE does not change.
HEAT MODE
FAN ONLY MODE
AUTO FAN (No Cooling Demand)
When in the
AUTO FAN
mode, the fan only operates when the system has
a demand to cool or heat the room. Note: the fan is off (no fan speed icon),
indicating no command for cooling or heating.
SET POINT
F
AUTO FAN
79
FRR112
SET POINT
F
AUTO FAN
74
FRR106
System has a demand for cooling. The fan is operating at a medium speed.
CONTINUOUS
SET POINT
F
CONTINUOUS
79
FRR113
In the
CONTINUOUS
fan mode, the fan operates all the time. The system
periodically cools or heats the fan's airfl ow but the fl ow of air does not stop.
FAN SPEED - The
FAN
SPEED
button allows you to toggle between four modes of operation: LOW, MEDIUM, HIGH and AUTO.
FRR095
3 Speed
AUTO
When fan speed AUTO mode (SYSTEM mode COOL or HEAT) is selected, fan speed automatically varies depending on the difference between the unit's
set point on the control panel and the actual room temperature. Let me explain. Say for example, you’re working in your garage and you open the big door for
several minutes. The system will sense a wide difference between the set point and the actual room temperature. When this occurs, the system fan speed
increases to HIGH for a period of time. The fan speed decreases, in step, as the temperature difference decreases. When the room temperature matches the
system's set point, fan speed returns to the original setting.
FAN MODE – The
FAN
MODE
button allows you to select between
AUTO FAN
and
CONTINUOUS
modes.
AUTO FAN (Cooling Demand)
Control Panel Operation Instructions