19
Technical Information
Service Manual
the unit will keep operating at that temperature.
2. Heating mode:
2.1 When initial set temperature is 61°F, the unit will operate at that temperature;
2.2 When initial set temperature range is 63~68°F, if turning on sleep function, temperature will decrease 1.8°F for every hour. After 1.8°F
has been decreased, the temperature will not change.
2.3 When initial set temperature range is 70~81°F, if turning on sleep function, temperature will decrease 1.8°F for every hour. After 3.6°F
has been decreased, the temperature will not change.
2.4 When initial set temperature range is 82~86°F, if turning on sleep function, temperature will decrease 1.8°F for every hour. After 5.4°F
has been decreased, the temperature will not change.
(5) Turbo Function
This function can be set in cooling or heating mode to quickly cool or heat the room.
(6) X-fan Function
①
X-fan function can be set in cooling or drying mode (X-fan function is unavailable in auto, heating or fan mode). When X-fan is ON, after
pressing ON/OFF button to turn off the unit, indoor unit will run in low fan speed for 2min(in 2min, the horizontal louver is in the minimum
angel of swinging, other loads are off). When X-fan is OFF, press ON/OFF button to turn off the complete unit.
②
During X-fan operation, after pressing X-fan button, indoor fan stops operates immediately. Horizontal louver will close and cold plasma
and electrostatic dedusting is OFF as well.
(7) Control of Indoor Fan
The fan speed of indoor fan can be set in turbo, high, medium, low by remote controller.
It can also set at auto fan speed. When indoor fan operates in auto fan speed mode, the indoor fan will operate at high speed,medium
speed, low speed or turbo according to the change of ambient temperature.
①
In auto heating mode or normal heating mode, the auto fan speed operates according to below mode:
When Tamb.<Tpreset-1.8°F, indoor fan operates at high speed;
When Tpreset-1.8°F<Tamb.<1.8°F, indoor fan operates at medium speed;
When Tamb.>1.8°F, indoor fan operates at low speed.
Control drawing of auto fan in heating mode:
②
Fan mode, cooling mode: In auto cooling mode or normal cooling mode, auto fan speed operates according to below mode:
当 T 环≥ T 设＋ T 补＋ 3.6° F 时，内风机高速运行；
当 T 设＋ T 补＜ T 环＜ T 设＋ T 补＋ 3.6° F 时，内风机中速运行；
当 T 环≤ T 设＋ T 补时，内风机低速运行；
高速与中速、中速与低速以及高速与低速之间的切换，必须保证 3 分 30 秒的最少运行时间。T 补等于 0。
③
Auto fan speed is not available in drying mode
Note: high speed, medium speed and low speed is to “notch 5”, “notch “3” and “notch 1” respectively.
As for the switchover among high speed, medium speed and low speed, the unit should operates at every speed for 3minutes and 3s at
least.
(8) Up and Down Swing Function
After turning on the unit, the louver will operate in the below angel. (if the remote controller is pressed
continuously within 2 seconds, the last signal will be executed, the previous signals will be invalid)
After energizing, the up and down swing motor will firstly rotate the louver to position 0 anticlockwise
(close in 138°) and close the air outlet.
After turning on the unit, if swing function has been set, the louver will rotate to position D clockwise in
heating mode and auto heating mode; the louver will rotate to horizontal position L1 clockwise in other
modes. The indoor fan and compressor will be energized after the
louver opens to position L1. If set the swing function while turning on the unit, the louver will swing between L1 and D.
The louver will close to position L when turning off the unit.
Tamb.
Tpreset-1.8°F
1.8°F
Fan speed
low
medium
high
Tamb.
3.6°F
Tpreset
Fan speed
high
medium
low
Tamb.
Tpreset-1.8°F
1.8°F
Fan speed
low
medium
high
Tamb.
3.6°F
Tpreset
Fan speed
high
medium
low
L
L1
L2
L3
D