Haier AU282AHBEA Service Manual page 223

(info code) description
1 Outdoor ambient
temperature
2 Frequency set port
3 Overload in
4
5 Compressor temp.
6 Iced in cooling
7 Overload in
Appendix 1:
COOL
Δt
2
ΔT
1
1 15 20
2 23 36
3 48 52
4 64 68
5 80 84
4Hz/3min
HEAT
Δt
1 2
ΔT
1 32 36
2 48 52
3 64 68
4 84 88
5 120
rising frequency process(max.):
5Hz /3s
55Hz (stop for 60s)
Failure code display (at VFD temperature section)
Indoor
Too high or too low
In debugging, run
as frequency set
Indoor coil temp.
heating
Current Too high
Compressor temp.
Indoor coil is iced
Outdoor coil temp.
cooling
3 4
24 28
40 44
56 60
72 76
88 92
3 4
40 44
56 60
72 76
92 96
1Hz/1s
85Hz (stop for 60s)
>a__WcU[S^ <[c >a`V[e[a`Wc
state
OFF
OFF
port
OFF
high
OFF
OFF
high
OFF
OFF
high
5 6 7
32 36 40
48 52 56
64 68 72
80 84 88
96 100 104
5 6 7
48 52 56
64 68 72
80 84 88
100 104 108
4Hz/3min
1Hz/1s
-223-
state state state
OFF OFF ON
OFF ON OFF
OFF ON ON
ON OFF OFF
ON OFF ON
ON ON OFF
ON ON ON
8 9
44 48
60 64
76 80
92 96
108 108
8 9
60 64
76 80
92 96
112 116
10Hz
1Hz/1s
90Hz
Permitted max.
frequency