Mitsubishi Electric PUZ-HWM140VHA Service Manual page 65

9-10-1. Detail Contents in Request Code
[Operation state] (Request code : "0")
Data display
C 4
Relay output state
Operation mode
Operation mode
Display Operation mode
0 STOP • FAN
C COOLING • DRY
H HEATING
d DEFROSTING
[Outdoor unit – Control state] (Request code: "51")
Data display
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.
[Fan control state] (Request code : "53 ")
Data display
0 0
Display Correction value
− (minus) −1
0 0
1 +1
2 +2
OCH748
Relay output state
Display
0
1
2
3
4
5
6
7
8
A
State
Frequency control state 2
Display
0
1
2
3
4
5
6
7
8
9
A
b
C
d
E
F
Fan step correction value by heatsink temperature overheat prevention control
Fan step correction value by cool condensation temperature overheat prevention control
Power currently
Compressor
supplied to compressor
– –
ON
ON
ON
ON
ON
ON
Discharge temperature Condensation tempera-
overheat prevention ture overheat prevention
Controlled
Controlled
Controlled Controlled
Controlled
Controlled
Controlled Controlled
Controlled
Controlled
Controlled Controlled
Controlled
Controlled
Controlled Controlled
65
4-way valve Solenoid valve
– –
ON
ON
ON ON
ON
ON
ON ON
ON
Anti-freeze Heatsink temperature
protection control overheat prevention
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled Controlled
Controlled Controlled
Controlled Controlled
Controlled Controlled