100
OCH439M
Frequency control state
2
Display Discharge temperature Condensation temperature
Anti-freeze
Heatsink temperature
overheat prevention
overheat prevention
protection control overheat prevention
0
1
Controlled
2
Controlled
3
Controlled
Controlled
4
Controlled
5
Controlled
Controlled
6
Controlled
Controlled
7
Controlled
Controlled
Controlled
8
Controlled
9
Controlled
Controlled
A
Controlled
Controlled
b
Controlled
Controlled
Controlled
C
Controlled
Controlled
d
Controlled
Controlled
Controlled
E
Controlled
Controlled
Controlled
F
Controlled
Controlled
Controlled
Controlled
[Operation state] (Request code : "0")
Data display
C 4
Relay output state
Operation mode
Operation mode
Display
Operation mode
0
STOP • FAN
C
COOL • DRY
H
HEAT
d
DEFROST
Relay output state
Display
Power currently
Compressor
4-way valve
Solenoid valve
supplied to compressor
[Outdoor unit – Control state] (Request code: "51")
Data display
State
0
0
0
0
Normal
0
0
0
1
Preparing for heat operation
0
0
0
2
Defrost
[Compressor – Frequency control state] (Request code : "52")
Data display
0 0
Frequency control state
2
Frequency control state
1
Frequency control state
1
Display
Current limit control
0
No current limit
1
Primary current limit control is ON.
2
Secondary current limit control is ON.
–
ON
ON
0
1
2
3
4
5
6
7
8
A
–
ON
ON
ON
ON
–
ON
ON
ON
ON
ON
–
ON
ON
ON
ON
[Fan control state] (Request code : "53")
Data display
Fan step correction value by heatsink temperature overheat prevention control
Fan step correction value by cool condensation temperature overheat prevention control
0 0
Display
Correction value
− (minus)
−1
0
0
2
1
+1
+2
9-9-1. Detail Contents in Request Code