Frequency Of Compressor; Running Mode; Capacity Demand - Heat Controller A-VMH18DC-1 Service Manual

Heat Controller, Inc.
Inverter current
12
EXV open angle for 1# indoor unit
13
EXV open angle for 2# indoor unit
14
EXV open angle for 3# indoor unit
15
16 EXV open angle for 4# indoor unit
17
Power supply of outdoor unit
18 Indoor unit number
19 The last error or protection code
20 frequency value
21 Ambient temp. of 1# indoor unit
22 Condenser pipe temp. of 1# indoor unit
23 Ambient temp. of 2# indoor unit
24 Condenser pipe temp. of 2# indoor unit
25 Ambient temp. of 3# indoor unit
Condenser pipe temp. of 3# indoor unit
26
27 Ambient temp. of 4# indoor unit
28 Condenser pipe temp. of 4# indoor unit
29 ――
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:

8.4.2 Running mode:

8.4.3 Capacity demand:

Cooling mode
Capacity 2000-
2500
Corresponding 1
Code
Heating mode
Capacity 2000-25
00
Corresponding 1
Code
Note:
The capacity is just for reference.
VMH SerieS
Display Frequency of compressor (Hz)
30 30
-- Stand by
60 60
Display Corresponding mode
0 Off
1 Cooling mode
2 Heating mode
2000- 3000- 4500-
2500 3800 5000
2 3 4
2000-25 3000-38 4500-50
00 00 00
2 3 4
discharge temp. is 105 degree. If the indoor unit is not
connected, the digital display tube will show: "- - ".
AD data
Actual data, divide this number by 8 for actual angle valve is
open.
Actual data divide 8
Actual data divide 8
Actual data divide 8
AD data (AD data*472/255=actual data)
The indoor unit can communicate with outdoor unit well.
00 means no malfunction
Actual data
Actual data
Actual data
Actual data
Actual data
Actual data
Actual data
Actual data
Actual data
Check point over
5000- 5500 6100-
5500 -6100 7000
5 6 7
5500-61 6100-70 6100-70
00 00 00
5 6 7
21
Service Manual
7000- 7500- >7500
7500 8000
8 9 >=10
7000-75 7500-80 >8000
00 00
8 9-10 >=11