PTAC Owners Manual

There are ON/OFF, WARMER, COOLER, MODE, FAN SPEED and TIMER six buttons in all;
1. Press ON/OFF button under OFF mode to turn on the unit. If press WARMER or COOLER button
under OFF mode, the dual 8 nixie tube will display indoor temperature for 15s and then turn off. If press
MODE button under OFF mode, the controller will resume to the operation status before power-off.
Operation indicator is in green.
2. Under ON status, every button is in valid
(1) ON/OFF: It is used for turning OFF the system.
(2) MODE: It is used for switching between Cool, Fan, Heat and Dry (optional).
(3) WARMER or COOLER: 1. It is used for increasing temperature or timer setting.
2. It is used for decreasing temperature or timer setting.
(4) FAN：It is used for setting high, medium, low or auto fan speed. The corresponding LED will be on.
(5) TIMER：It is used for setting timer function
3. Timer function: It can be set either by buttons on control panel or by remote controller
(1) Timer ON: When the unit is off, timer ON can be set. Setting range is 0.5~24h. When timer ON
time is reached, the system will operate according to the set mode.
(2) Timer OFF: When the unit is off, timer OFF can be set. Setting range is 0.5~24h. When timer OFF
time is reached, the system will stop operation.
( 3 ) Timer setting: Press TIMER button to set timer function and Timer icon will be on. Dual 8 nixie
tube will display selected time which can be adjusted by pressing “+”or“-”buttons. The range of timer
setting is from “--” to 24h. 5s after timer setting, the timer function will be activated and TIMER LED will
be on. If “--” is displayed, the system will stop timer setting.
(4) Timer Preview: when timer function has been set, press TIMER button to preview the remaining
time of timer.
(5) If Time function has been set, turning on/off the unit or power failure will cancel timer setting.
4. Sleep function: This function can be set only by remote controller. This mode will bring a more
comfortable sleeping environment. Please contact customer service center or refer to the service
manual for more details.
5. DRY function: Without reducing the room temp. , air conditioner can dehumidify and make the room
air dry and comfortable.
6. Buzzer: optional
When controller is energized, or valid remote control signal/button signal is received, the buzzer will
give out a beep.
7. Auto fan speed
Fan speed can be automatically selected according to different modes or indoor temperature to achieve
higher comfort.
8. Emergency cooling operation: Emergency cooling, Subject to your choice – allowed or rejected)
When indoor ambient temperature ≥30℃, the unit will start cooling automatically. When indoor ambient
temperature reaches 27℃, the unit will stop operation.
9. F code remote controller: optional
ABOUT THE CONTROLS ON YOUR UNIT
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