Mitsubishi Electric SUZ-SWM30VA TH Series Service Manual page 24

9-3-2. 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
C COOL
H HEAT
Display DEFROST
[Outdoor unit – Control state] (Request code :" 51 ")
Data display
Operating state
Control state for Diesel explosion
Control state for Valve closing
Control state for Low outside air cooling
[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 Controlled
1 Level 1
2 Level 2
3 Level 3
4
Level 4
5
Level 5
6 Level 6
OCH796A
Relay output state
Power currently
Display
supplied to compressor
0 –
1
2
3
4
5
6
7
8
ON
ON
A
Relay output state
Control state for
Display
Operating state
Diesel explosion
0 Normal
1 Preparing for heating
Defrost
2
3 –
Frequency control state
2
Discharge temperature Condensation temperature
Display
overheat prevention
0
1 Controlled
2
3 Controlled
4
5 Controlled
6
7 Controlled
8
9 Controlled
A
b Controlled
C
d Controlled
E
F Controlled
24
Compressor 4-way valve
– –
ON
ON
ON
ON
ON ON
ON ON
ON
Control state for
Valve closing
Normal Normal
Control for cooling
Judging 1 Control
Control for heating
Judging 2 Control
–
–
Anti-freeze
overheat prevention protection control
Controlled
Controlled
Controlled
Controlled
Controlled Controlled
Controlled Controlled
Controlled
Controlled
Controlled
Controlled
Controlled Controlled
Controlled Controlled
Solenoid valve
–
ON
ON
ON
ON
Control state for
Low outside air cooling
Normal
Controling
–
–
Heatsink temperature
overheat prevention
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled