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

29 PB
OPERATION
Settings- Detailed Congurations
This section is about how to set the unit operating parameter, include display temperature unit, Fahrenheit or Celsius, control master, temperature
limit, temperature calibration, display set point or room temperature.
Under OFF mode, hold [Cool] and [Low] two keys at the same time continuously for 5 seconds. This time displays ‘d0’, indicates that system has
entered the senior operation status.
[Cool] key is used to switch parameter code and parameter value;
[UP] or [DOWN] keys are used to switch parameter code or set parameter value; [Power] key is used to save
and exit settings.
Menu NO. Function "Parameter value" Explanation
do Unit of temperature F Fahrenheit (default)
C Celsius
dl Control master p By control panel or IR remote thermostat(default)
r By 24V universal remote thermostat
rE By12V smart wired controller
rF VRPXEMRT2 and VRPXEMWRT2
d2 Max temperature setting d3 to 90°F The Min value is d2 (default 90°F)
d3 Min temperature setting 60°F to d2 The Max value is d3 (default 90°F)
d4 Indoor temperature calibra-
tion
-9°C to 9°C If unit of temperature is changed, calibration should be
done again. If using the default value, it can be ignored.
(default 0°C/O°F)
-9°F to 9°F
d5 Temperature display selec-
tion
O o r 1 0-displays room temperature (default ),
1-displaysset point.
One example:
Setting target:d0(C),d1(r), d2(88),d3(58),d4(-1),d5(1).
Step1: hold [Cool] and [Low] two keys at the same time continuously for 5 seconds. Display:’d0’
Step2: short press [Cool] key. Display: ‘F’(setting d0 has finished)
Step3: short press [Cool] key. Display:’d0’
Step4: short press [UP] key. Display:’d1’
Step5: short press [Cool] key. Display: ‘P’
Step6: short press [UP] or [DOWN] key. Display: ‘r’ (setting d1 has finished)
Step7: short press [Cool] key. Display:’d1’
Step8: short press [UP] key. Display:’d2’
Step9: short press [Cool] key. Display:’90’
Step10: short press [DOWN] key twice. Display:’88’ (setting d2 has finished)
Step11: short press [Cool] key. Display:’d2’
Step12: short press [UP] key. Display:’d3’
Step13: short press [Cool] key. Display:’60’
Step14: short press [UP] key twice. Display:’58’ (setting d3 has finished)
Step15: short press [Cool] key. Display:’d3’
Step16: short press [UP] key. Display:’d4’
Step17: short press [Cool] key. Display:’0’ (setting d4 has finished)
Step18: short press [Power] key to exit.