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Table 5-4 Inspection Instructions of Air-conditioning Unit for CHV Series 14Kw/16Kw/22Kw
No.
Current frequency / number of indoor units
0
0
Capacity of air-conditioning unit
1
1-
2
2-
Total capacity need of indoor unit
3
3-
Actual capacity needs revised by air-conditioning unit
4
4-
Actual running capacity of air-conditioning unit
5
5-
Fan status(fan speed)
6
6-
T2/T2B average temperature
7
7-
T3 pipe temperature
8
8-
T3B condenser temperature
9
9-
T4 air-conditioning air temperature
10
10-
T5 exhaust temperature
11
11-
Temperature of IPM
12
12-
T7 refrigerant cooling inlet pipe temperature
13
13-
Electronic expansion valve opening degree
14
14-
15
15-
Secondary current
16
16-
17
17-
Secondary voltage(DC bus)
18
18-
19
19-
Number of indoor units
Number of operating indoor units
20
20-
21
21-
Frequency limit display
26
26-
Last failure or protection code
27
27-
28
28-
EEPROM version
29
29-
30
30-
31
31-
CRC program check high 8 bits
32
32-
CRC program check low 8 bits
33
33-
34
34-
Press value of pressure sensor(MPa)
35
35-
Compressor drive command frequency(Hz)
Fan drive command speed(Actual
36
36-
value = Show value * 10)
5. Electrical Wiring
Display contents
Operation mode
Primary current
Primary voltage
Priority mode
Program version
Reserved
Reserved
Display number of online units when standby
120, 140, 160, 180, 200, 224, 260, 280, 335
0:off/fan; 2:cooling; 3:heating; 4:forced cooling
T2B average when cooling, T2 average when heating
Actual value=display value*4
Actual value=display value*2
Actual value=display value*4
0:Auto ; 1:heating priority; 2:coolingpriority; 3:only cooling
4:only heating 5:VIP+auto priority 6: First priority
0: no frequency limit; 1: T3B limit frequency ; 2: T4 limit frequency
4: T5 frequency limit;8:voltage limit frequency ;16:current limit frequency
32:Temperature of IPM frequency limit
64: silent limit frequency(will display total if there are multiple frequency limits)
No protection or fault display E-
16
R em ark s
0-8
V.1
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