Function and Control
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6.2 Description of Each Control Operation
1.Basic function of system
(1)Cooling mode
1.Under this mode, fan motor, swing will work under setting status, the temp. range is 16-30
(61-86 Fahrenheit
scale)
2.Outdoor unit malfunction or unit stop running, indoor unit will keep origina l running status, malfunction displayed.
3.When 0 (Tset-Tamb.), if indoor fan motor is high speed, that the fan motorist running in middle speed, the
middle speed or low speed will be maintained;(this condition should be executed when compressor start up);the super
high speed will not rotate; When (Tamb-Tset)
, the fan will return to the setting fan speed.
(2)Dehumidifying mode
1.Under this mode, fan motor will run at low speed, swing will work at setting status, setting temp. range is 16-30
(61-86 Fahrenheit scale)
2.Outdoor unit malfunction or protection, unit will stop,
indoor unit will keep original running status, malfunction
displayed.
(3)Fan mode
Under this mode, indoor fan motor could be setted at high speed, middle speed, low or auto speed, compressor,
outdoor unit and four-way valve will stop to run.
Under this mode, temp. range should be 16-30
(61-86 Fahrenheit scale)
(4)Heating mode
1.Under this mode, temp. range should be 16-30
(61-86 Fahrenheit scale)
2.Working condition and procedure of heating mode: When unit turn on and enter into Heating mode, indoor unit
enter into anti-cool wind mode, when unit is stop running, and indoor fan motor turns on, blowing heat will act.
3.Protection function, under heating mode, compressor will stop to run due to malfunction happened, indoor fan
motor will blow surplus heat.
4.Defrosting control: When receiving the defrosting signal from outdoor unit, displayer will display H1, 10s later,
indoor fan motor will stop to run.
5.Anti-coold wind function
6.Blow heat air function
a.If heating temp. meets the compressor stop running condi tion, compressors, outdoor fan motor will stop to run,
the upper and lower guide louver will rotate to horizontal position L, indoor fan moto
r run at setting fan speed
for 60s, then the indoor fan motor will stop to run.
b.Due to PG motor block running, the air guide board wil l keep the position when it stopping. (under each mode),
other malfunction unit will stop to run, the upper and lower air guide louver will rotate to horizontal position
L, indoor fan unit will run at setting fan speed and run for 60s, indoor fan unit will stop to run.
(5)Auto mode:
1.When Tam
26 , select the cooling mode, at this time, the setting temp. is 25
.(77 Fahrenheit scale)
2.Cooling and heating units: Tamb
22
,will runat heating mode, at this time, the setting temp. is 20
3. Cooling only unit: When Tamb
22
, it will run at Fan mode, the setting temp. is 25
(77 Fahrenheit scale)
4.When 23
Tindoor amb.
25
,firstly enter into auto mode and run at auto fan speed, other modes will
run at auto mode, will keep the previous running mode. (W hen entering into Dehumidifying mode, it will run at
auto fan speed)
(6) Auto fan speed control mode
(68Fahrenheit scale)
6.2.1 Functions of Indoor Unit
