User's Manual

8 9
Thermostat Installation
Mounting the thermostat to the wall
➤ Unscrew the fixing screw and remove the thermostat cover;
➤ Place the thermostat on the wall in the installation location and
mark location for drilling holes for the three (3) mounting screws;
➤ Drill three (3) holes in the wall and insert the three (3) wall anchors;
➤ Use three (3) screws to securely mount the thermostat to the wall;
➤ Insert two (2) C-cell batteries into the thermostat battery
compartment;
➤ Follow the “Thermostat Configuration” instructions to correctly
configure the thermostat.
➤ Replace the thermostat cover and screw in the fixing screw;
Thermostat Installation
BEFORE YOU BEGIN: Consult PTAC manufacturer’s documentation or use
a voltmeter to determine if the PTAC unit outputs AC or DC power (24V).
If the PTAC unit outputs AC power, make sure that the jumper on the
Wireless Control Card is in the AC position - jumper is connecting “R” and
“COM” pins (Default).
If the PTAC unit outputs DC power, make sure that the jumper on the
Wireless Control Card is in the DC position - jumper is connecting “COM”
and “C” pins.
Installing the Wireless Control Card
➤ Unplug the PTAC unit power cord from the electrical outlet;
➤ Remove the PTAC cover;
➤ Set the PTAC unit to “External Thermostat” (Class 2) mode.
Consult the PTAC unit documentation to determine how to set the
PTAC unit to “External Thermostat” mode.
➤ Connect the wires to screw terminals on the PTAC unit - refer to the
Wiring Table to determine proper connections.
➤ Mount the control card inside of the PTAC unit.
Make sure that the Wireless Control Card antenna is not
touching any metal components of the PTAC unit.
Make sure that the contol card is not and cannot fall into the
PTAC unit Condensation Pan.
➤ Replace the PTAC front cover;
➤ Plug in the PTAC unit power cord into an electrical outlet.
Wiring Table - 24V AC
Wire
Color
Terminal
Letter
Terminal
Connection
Black C Common
Red R 24V
Yellow Y Compressor
White W Heat
Orange O or B Reverse Valve
Green GH Fan High
Purple GL Fan Low
Wiring Table - 24V DC
Wire
Color
Terminal
Letter
Terminal
Connection
Black R 24V
Red C Common
Yellow Y Compressor
White W Heat
Orange O or B Reverse Valve
Green GH Fan High
Purple GL Fan Low