Product Features
 Page 86 
displayed (drain pump close delay is 1 minute), the 
unit goes back into its last mode. Otherwise, the 
entire system (including the pump) stops and the 
LED displays an alarm again after 3 minutes.
2.14  Mode Conflict
 
•
The indoor units can not work cooling mode and 
heating at same time. 
 • Heating mode has a priority.
(1) Definition 
Cooling 
mode
Heating 
Mode
Fan Off
Cooling 
mode
No Yes No No
Heating 
Mode
Yes No Yes No
Fan
No Yes No No
Off
No No No
No
No: No mode conflict;
Yes: Mode conflict
(2) Unit action
 • In case of one Indoor unit working in cooling mode 
or fan mode, and another indoor unit is set to heat-
ing mode, the indoor unit working in cooling mode 
or fan mode will change to off. The outdoor unit 
will change to heating mode after compressor stop 
3 minutes. .
 • In case of one Indoor unit working in heating mode, 
and another indoor unit is set to cooling mode or 
fan mode, the indoor unit setting to cooling mode 
or fan mode will change to stand by. The outdoor 
unit will continue working in heating mode.
 • If heating mode stops (not including the indoor unit 
in heating mode reaching the set temperature), 3 
minutes after the outdoor unit restarts and works in 
cooling mode or fan-only mode.
3.  Remote Controller Functions
3.1  Infrared Wireless Remote Controller 
3.1.1  RG51Q1/BGE(Standard for cassette)
Remote Controller Specifications
Model RG51Q1/BGE
Rated Voltage
3.0V (Dry batteries R03/
LR03×2)
Reaching Distance 8m
Environment Temperature 
Range
-5℃~60℃(23℉~140℉)
Buttons and Functions
1. TEMP UP Button: Push this button to increase the 
indoor temperature setting in 1℃increments to 30℃
2. TEMP DOWN Button : Push this button to decrease the 
indoor temperature setting in 1℃increments to 17℃.
3. MODE Button: Once pressing, running mode will be 
selected in the following sequence: 
NOTE: No heating mode for cool only type unit. 
4. SWING  Button: Used to stop or start horizontal