(3) SW4 - Function Setting
Switch
Position
Function
Switch Setting
ON
OFF
1
Model Code
(Not Available)
N/A
N/A
2
N/A
N/A
3
N/A
N/A
4
N/A
N/A
5
N/A
N/A
6
Not Available
N/A
N/A
7
Control Method
Selection
Discharge Air Control
Return Air Control
8
9
Not Available
N/A
N/A
10
Not Available
N/A
N/A
Factory Setting in Gray
Dip switch settings must be made while the unit is stopped. There is no need to power cycle the unit.
8.4.2. Return Air Control (Factory Setting)
Position
ON
OFF
1
Model Code
(Not Available)
N/A
N/A
2
N/A
N/A
3
N/A
N/A
4
N/A
N/A
5
N/A
N/A
6
Not Available
N/A
N/A
7
Control Method
Selection
Discharge Air Control
Return Air Control
8
9
Not Available
N/A
N/A
10
Not Available
N/A
N/A
Factory Setting in Gray
Dip switch settings must be made while the unit is stopped. There is no need to power cycle the unit.
2.
Return Air Control (Factory Setting
(1)
SW1 - Function Setting
Switch
Position
Function
Switch Setting
ON
OFF
1
Return Air Sensing
Location
Remote Controller
TH21
2
Filter clogging
detection
Available
Unavailable
3
Filter Life
2500 hours
100 hours
4
Outdoor air intake
Enabled
Disabled
5
Remote display
Thermostat ON signal
Fan output
6
Humidifier
Operation
During heating mode
During heating operation
7
Fan Speed
Low
Stop
8
Fan speed at
heating Thermo-
OFF
Preset fan speed
Follows the setting of SW1-7
9
Auto restart after
power failure
Enabled
Disabled
10
Power start/stop
Enabled
Disabled
Factory Setting in Gray
Dip switch settings must be made while the unit is stopped. There is no need to power cycle the unit.
(5) SW3 - Function Setting
Switch
Position
Function
Switch Setting
ON
OFF
1
Heat Pump or
Cooling Only
Cooling Only
Heat Pump
2
Heater output
Enable
Disable
3
Monitor discharge
air temperature
with TH24
Enable
Disable
4
Heater control in
defrost or error
Heater ON
Heater OFF
5
Not Available
N/A
N/A
6
Capacity Code Up
Capacity Code Up
Capacity Code not Up
7
Not Available
N/A
N/A
8
Heating 4-deg up
Disabled
Enabled
9
Not Available
N/A
N/A
PAC-AH001-1
Specifications are subject to change without notice.
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