96
OCH670
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
Example) Request code "004"
Discharge temperature 69
:
Refrigerant address "00"
B: Refrigerant address
A: Maintenance mode display
C: Data display area
D: Request code display area
A
B
C
D
C 4
Relay output state
Operation mode
[Indoor unit – Control state] (Request code :"50 ")
Data display
Operation mode
Unit No. 4 state
Unit No. 3 state
Unit No. 2 state
Unit No. 1 state
Display
State
0
Normal
1
Preparing for heat operation
2
–
3
–
4
Heater is ON.
5
Anti-freeze protection is ON.
6
Overheat protection is ON.
7
Requesting compressor to turn OFF
F
There are no corresponding units.
[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.
Display
Operation mode
0
STOP
•
FAN
C
COOL
•
DRY
H
HEAT
d
DEFROST
Relay output state
Display
Power currently
Compressor
Four-way valve Solenoid valve
supplied to compressor
–
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
11-2-1. Detail Contents in Request Code