Haier Unitary smart series Service Manual page 134

frequency:
Compressor
frequency in cooling
Tao Over 28
Below 28
Compressor frequency
in heating
Tao Over 15
Below 15
7.2.2.4 Outdoor fan speed control when selecting AC motor
Selecting AC motor or DC motor depends on EEPROM.
Blowing remaining heat: compressor shuts off, fan motor will run at low speed for 30 seconds
and then stop.
Fan speed chart in 3 minutes after compressor starts up:
Ambient
temp.
Cool, dry Low speed
heat High speed
Fan speed chart in 3 minutes after compressor starts up due to the ambient temp. and running
frequency:
Compressor frequency in
cooling
Tao Over 28
Below 28
Compressor frequency in
heating
Tao Over 15
Below 15
7.2.3 Outdoor electronic expansion valve(EEV) control
7.2.3.1 Movement of EEV
Full-close: after 500 pulse close for 10 times(60 pulse close, 5 pulse open, stop at 5 at last)
Full-open: 480 pulse open
Adjustable upper limitation of open angle: 480 pulse, Adjustable lower limitation of open angle: 5
pulse
Driving speed: open direction: 30.3MS; close direction: 83.3MS
Drive wave of EEV:
F<25Hz
Class-3
Class-1
F<25Hz
Class-2
Class-3
~10
F<25Hz
Low speed
Low speed
F<25Hz
Low speed
Low speed
a__
25Hz F<45Hz
Class-5
Class-3
25Hz F<45Hz
Class-4
Class-5
10~25
High speed
High speed
25Hz F<45Hz
High speed
Low speed
25Hz F<45Hz
Low speed
High speed
-134-
^ a` a`
45 F
Class-7
Class-5
45 F
Class-5
Class-7
25~
High speed
Low speed
45 F
High speed
High speed
45Hz F
High speed
High speed