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21
Heat Controller, Inc. VMH SerieS Service Manual
discharge temp. is 105 degree. If the indoor unit is not
connected, the digital display tube will show: “- - “.
12
Inverter current
AD data
13
EXV open angle for 1# indoor unit
Actual data, divide this number by 8 for actual angle valve is
open.
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EXV open angle for 2# indoor unit Actual data divide 8
Actual data divide 8
Actual data divide 8
15
EXV open angle for 3# indoor unit
16
EXV open angle for 4# indoor unit
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Power supply of outdoor unit AD data (AD data*472/255=actual data)
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Indoor unit number
The indoor unit can communicate with outdoor unit well.
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The last error or protection code
00 means no malfunction
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frequency value Actual data
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Ambient temp. of 1# indoor unit
Actual data
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Condenser pipe temp. of 1# indoor unit
Actual data
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Ambient temp. of 2# indoor unit Actual data
24 Condenser pipe temp. of 2# indoor unit Actual data
25 Ambient temp. of 3# indoor unit Actual data
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Condenser pipe temp. of 3# indoor unit Actual data
27 Ambient temp. of 4# indoor unit Actual data
28 Condenser pipe temp. of 4# indoor unit Actual data
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Check point over
The following items from 6.4.1 to 6.4.6 are for the explanation of the point check functions.
8.4.1 Frequency of compressor:
Display Frequency of compressor (Hz)
30 30
-- Stand by
60 60
8.4.2 Running mode:
Display Corresponding mode
0 Off
1 Cooling mode
2 Heating mode
8.4.3 Capacity demand:
Cooling mode
Capacity 2000-
2500
2000-
2500
3000-
3800
4500-
5000
5000-
5500
5500
-6100
6100-
7000
7000-
7500
7500-
8000
>7500
Corresponding
Code
1 2 3 4 5 6 7 8 9 >=10
Heating mode
Capacity 2000-25
00
2000-25
00
3000-38
00
4500-50
00
5500-61
00
6100-70
00
6100-70
00
7000-75
00
7500-80
00
>8000
Corresponding
Code
1 2 3 4 5 6 7 8 9-10 >=11
Note:
The capacity is just for reference.