Heat Controller A-VMH18DC-1 - Frequency of Compressor; Running Mode; Capacity Demand

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.
14
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
17
Power supply of outdoor unit AD data (AD data*472/255=actual data)
18
Indoor unit number
The indoor unit can communicate with outdoor unit well.
19
The last error or protection code
00 means no malfunction
20
frequency value Actual data
21
Ambient temp. of 1# indoor unit
Actual data
22
Condenser pipe temp. of 1# indoor unit
Actual data
23
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
26
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
29
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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.