Engineering Manual

T-STAT Interface PAC-US444CN-1
1.
2.
3. Connect the PAC-US444CN-1 cable to the connector CN105 on the indoor unit
control board.
4. Connect PAC-US444CN-1 terminals using 18 AWG wire.
Device
board, SW1 and SW2. The circuit board can be accessed by unfastening the four
screws on the back of the case.
Choose a place where to install the PAC-US444CN-1. The device provides two
mounting holes that can be used to mechanically affix the case to a solid surface.
Double-sided tape may be used to affix the device. When using tape, ensure that
the tape is approved for use within the anticipated operating temperature ranges.
Install the transformer, as necessary, per building code and manufacturer’s
installation instructions.
DIP Switch
(Factory default is OFF for all switches):
Delayed Off
SW1-1/2: After reaching thermostat set point, the unit will continue to run for a set
SW1-1 and SW1-2 according to the following table:
SW1-1 SW1-2 Result
OFF OFF 5 minutes (Default)
ON OFF 10 minutes
OFF ON 30 minutes
ON ON 0 minutes
How to Install
201