When the outdoor speed is M or L, the speed will change according to the heat interaction
temperature. The status will be checked every minute.
Ta>28℃，high speed
26℃<Ta<28℃ ，high/ low speed
Ta<26℃： Te≧40℃，high speed
37℃≦Te<40℃，high/ medium speed
35℃≦Te ，medium speed
30℃≦Te<35℃，medium/ low speed
Te<30℃，low speed
1.4.2 the speed control under the heating mode
The outdoor speed varies according to the outdoor ambient temperature. M operates on H under
the two option mode.
Ta>24℃，low speed
24℃>Ta>20℃，low speed/ medium speed
Ta>16℃，medium speed
16℃>Ta>10℃，medium/high speed
Ta<10℃，high speed
1.5 Outdoor four direction control
Under the cooling mode, the outdoor four direction latch is not closed. Under the heating mode,
the latch can be closed. When the heating compressor stops, the four direction latch will be
closed 100 seconds later. The latch control under the defrosting operation has been discussed
in the ‘defrosting operation’.
1.7 compressor frequency control
1.7.1 fixed test frequency
To fixing test frequency operation of the outdoor system.
the indoor system can be controlled manually. (refer to the indoor system specification).
1.7.1.1 If the indoor system has the fixed frequency test operation function, then the outdoor
system will calculate the fixed frequency according to the number of the turned on systems
and operate on the calculated frequency until the indoor system quit the test operation. When
the two indoor systems are turned on at the same time, the outdoor system will enter the
operation mode if either of the indoor systems sends the fixed test frequency.
Ta =24℃
Outdoor speed：
Ta =16℃
Ta =10℃
Ta =20℃
L
M
H
M L
Air Conditioner
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