8-9. OUTDOOR UNIT FUNCTIONS
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
SW1 setting
12345678
00000000
10000000
01000000
11000000
00100000
10100000
01100000
11100000
00010000
10010000
01010000
11010000
00110000
10110000
01110000
11110000
00001000
10001000
01001000
11001000
00101000
10101000
01101000
11101000
00011000
10011000
01011000
11011000
00111000
10111000
01111000
Relay output display
Check display
Indoor unit check
Protection input
Protection input
Protection input
Abnormality delay display 1
Abnormality delay display 2
Abnormality delay display 3
Abnormality delay history 1
Abnormality delay history 2
Abnormality delay history 3
Abnormality code history 1 (the latest)
Abnormality code history 2
Abnormality code history 3
Abnormality code history 4
Abnormality code history 5
Abnormality code history 6
Abnormality code history 7
Abnormality code history 8
Abnormality code history 9
Abnormality code history 10 (the oldest)
Cumulative time
Cumulative time
Outdoor unit operation display
Indoor unit mode
Indoor unit operation display
Capacity code (No. 1 indoor unit)
Capacity code (No. 2 indoor unit)
Capacity code (No. 3 indoor unit)
Capacity code (No. 4 indoor unit)
Capacity code (No. 5 indoor unit)
1
Compressor operation
No.1 unit check
High-pressure abnormality
TH1 abnormality
Abnormality in the number of linked units
High-pressure abnormality delay
TH1 abnormality delay
High-pressure abnormality delay
TH1 abnormality delay
2
52C
No.2 unit check
Discharge temperature abnormality
TH2 abnormality
Address double setting abnormality
Discharge temperature abnormality delay
TH2 abnormality delay
Discharge temperature abnormality delay
TH2 abnormality delay
Refrigerant overfilling delay
3
21S4
No.3 unit check
Inner thermostat abnormality
TH6 abnormality
Indoor unit capacity
Internal thermostat abnormality delay
TH6 abnormality delay
Internal thermostat abnormality delay
TH6 abnormality delay
4
SV
No.4 unit check
IPM abnormality
TH5 abnormality
Over capacity
IPM abnormality delay
TH5 abnormality
delay
IPM abnormality delay
TH5 abnormality delay
7
No.7 unit check
Power synchronization signal abnormality
Restrict power IPM abnormality
Refrigerant over charge
Power synchronization signal abnormality
Restrict power IPM abnormality
Refrigerant over charge
Power synchronization signal abnormality
Restrict power IPM abnormality
5
No.5 unit check
Radiator panel abnormality
Indoor unit address error
Radiator panel overheating delay
Radiator panel overheating delay
6
No.6 unit check
Vacuum operation abnormality
THHS abnormality
Outdoor unit address error
THHS abnormality
delay
THHS abnormality delay
8
Lighting always
No.8 unit check
63HS abnormality
Insufficient voltage abnormality
63HS sensor abnormality delay
Single-phase current (CT)
Insufficient voltage abnormality delay
63HS abnormality delay
Single-phase power delay (CT)
Insufficient voltage abnormality delay
ON: light on OFF: light off
•When abnormaility occurs, check display.
Check: light on Normal: light off
Display input microprocessor
protection (abnormality)
Display all abnoramlities
remaining in abnormality
delay
Display all abnormalities
remaining in abnormality
delay history
•Display abnormalities up to
present (including abnorma-
lity terminals)
•History record in 1 is the
latest; records become older
in sequence; history record
in 10 is the oldest.
Display of cumulative
compressor operating time
Cooling : light on Heating: light flashing Stop fan: light off
Thermo ON : light on Thermo OFF : light off
•Display of indoor unit
capacity code
•The no. 1 unit will start from
the address with the lowest
number
Notes
Alternating display of addresses
0000-9999 and abnormality code
(including abnormality delay code)
0~9999(unit::1-hour)
0~9999(unit::10-hour)
0~255
Excitation Current
No.1 unit mode
No.1 unit operation
Restart after 3 minutes
No.2 unit mode
No.2 unit operation
Compressor operation
No.3 unit mode
No.3 unit operation
Abnomality(detection)
No.4 unit mode
No.4 unit operation
No.5 unit mode
No.5 unit operation
No.6 unit mode
No.6 unit operation
No.7 unit mode
No.7 unit operation
No.8 unit mode
No.8 unit operation
0000~9999 (Alternating display of addresses and error code)
Display mode
Display on the LD1 (display data)
No.
Delay code
1202
1205
1208
1211
1214
1221
Delay code
1402
1600
1601
4165
4320
4330
4350
Abnormality delay
Discharge temperature abnormality
Discharge temperature sensor (TH1) abnormality
Intake outlet temperature sensor (TH5) abnormality
Compressor internal thermostat abnormality
Saturation temperature of suction pressuse sensor (TH2) abnormality
Radiator panel thermistor (THHS) abnormality
Outside air temperature sensor (TH6) abnormality
Abnormality delay
High-pressure abnormality
Pressure sensor (63HS) abnormality
Over charge refrigerant abnormality
Insufficient refrigerant abnormality
Power synchronization signal abnormality
Frequency converter insufficient wiring voltage abnormality
Radiator panel temperature abnormality
IPM abnormality
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