Service and Parts Manual (2018, 2019, 2020, 2021, 2022)

43 PB
INSTALLATION
Install WRT2 Wireless Programmable Thermostat
Pair Transmitter and Receiver Unit
1. Insert 2xAA brand name alkaline batteries (included)
into the thermostat transmitter.
NOTE: Important: Alkaline batteries must be replaced once
every 2 years regardless of battery level. Failure to replace
batteries can lead to battery acid leakage and product failure.
2. Turn on power to PTAC unit.
3. Use a at head screw driver to separate the front and back
housing of the transmitter. (See Figure 509)
4. Take transmitter close to the reciever unit located on the
PTAC..
5. When the transmitter display says ‘YES’ (See Figure 510),press
the transmitter MODE button to start the scanning process. (See
Figure 512)
6.If the Receiver has paired correctly to the transmitter, the
transmitter diplay will illuminate the unit ID, the RSSI signal
strength located in the bottom right corner,and a solid Wi-Fi icon.
(Figure 511)
NOTE: Pairing may not be successful if the process takes more
than 10 minutes, the RSSI strength is not between 40 and -70, or
if multiple receivers have been powered up nearby.
recently. If you do not see the screen on the right, please see the
RF PAIRING section on the next page for more details.
7. Ensure that heat and cool operates correctly. Once you have
conrmed operation, cut or tape-off any unused output wires
coming from the receiver and replace the PTAC cover.
SETTINGS
SETTINGS
F
C
AM
PM
SET
MORN
DAY
EVEN
NIGHT
SAT
SUN
MON
TUE
WED
THU
FRI
SCHED UNTIL
YEAR
MONTH
DAYEXIT
RESET
SETTINGS
COOL
HEAT
OFFA UTO
WAIT
FAN
AUTO
LOW
HIGH
2
E
Opening notch
(underneath)
FAN Button
MODE
Button
Down Button
Up
Button
Transmitter
SETTINGS
SETTINGS
SETTINGS
SETTINGS
Figure 509 (Transmitter)
Figure 510
Figure 511
Figure 512 (Thermostat Transmitter)