OCH790 _101
SW1
setting
Contents
LED1, 2
No.
12345678
1
2
3
4
5
6
7
8
24 00011000
Indoor unit
operation mode
No.1 unit
mode
No.2 unit
mode
No.3 unit
mode
No.4 unit
mode
No.5 unit
mode
No.6 unit
mode
No.7 unit
mode
No.8 unit
mode
Cooling: light on, Heating: light blinking, Stop fan: light off
25 10011000
Indoor unit
operation display
No.1 unit
Thermo ON
No.2 unit
Thermo ON
No.3 unit
Thermo ON
No.4 unit
Thermo ON
No.5 unit
Thermo ON
No.6 unit
Thermo ON
No.7 unit
Thermo ON
No.8 unit
Thermo ON
26
01011000 Capacity code
(No. 1 indoor unit)
0–255
Notes:
•Display of indoor unit capacity code
•The No. 1 unit will start from the M-NET address with the lowest number
27
11011000 Capacity code
(No. 2 indoor unit)
28
00111000 Capacity code
(No. 3 indoor unit)
29
10111000 Capacity code
(No. 4 indoor unit)
30
01111000 Capacity code
(No. 5 indoor unit)
31 11111000 IC1 operation
mode
STOP
Fan
Cooling
thermo-ON
Cooling
thermo-OFF
Heating
thermo-ON
Heating
thermo-OFF
—
—
32
00000100
IC2 operation
mode
33
10000100
IC3 operation
mode
34 01000100 IC4 operation
mode
35 11000100 IC5 operation
mode
Note: Display of indoor unit operating mode
36
00100100
OC operation
mode
Compressor
ON/OFF
Heating/
Cooling
Abnormal/
normal
DEFROST/
NO
Refrigerant
pull back/no
Excitation
current/no
3-min delay/
no
—
Note: Light on/light off
37
10100100
External connec
-
tion status
CN3N1–3
input
CN3N1–2
input
CN3S1–2
input
CN3D1-3
input
CN3D1-2
input
—
—
—
Note: Input: light off, No input: light on
38
01100100
Communication
demand capacity
0–255 (%)
Note: Display of communication demand capacity
39
11100100 Number of
compressor ON/
OFF
0000–9999 (unit: x10)
Note: Display a count of compressor operation/stop
40 00010100
Compressor
operating current
0–999.9 (Arms)
Note: Display detected current
41 10010100
Input current of
outdoor unit
42 01010100 Thermo-ON
operating time
0000–9999 (unit: x10)
Note: Display cumulative time of thermo-ON operation
43 11010100 Total capacity of
thermo-ON
0–255
Note: Display total capacity code of indoor units in thermo-ON
44 00110100 Number of indoor
units
0–255
Note: Display number of connected indoor units
45 10110100 DC bus voltage
0–9999 (V)
Note: Display bus voltage
46 01110100
State of LEV
control
Td over heat
prevention
SHd de
-
crease
prevention
Min.Sj
correction
depends on
Td
Min.Sj
correction
depends on
Shd
LEV opening
correction
depends on
Pd
LEV opening
correction
depends on
Td
Correction of
high com
-
pression ratio
prevention
—
Note: Display active LEV control
47 11110100
State of compres
-
sor frequency
control 1
Condensing
temperature
limit control
Compressor
temperature
control
—
Discharge
temp.
(heating)
backup
control
Pd abnormali-
ty control
(heating)
Pd Back up
control
(heating)
—
Freeze
prevention
control at the
beginning of
SHd
Note: Display active compressor frequency control
48 00001100
State of compres
-
sor frequency
control 2
Heat sink
over heat
prevention
control
Secondary
current
control
Input current
control
—
Frequency
restrain of
receipt
voltage
change
Low pressure
decrease
prevention
Hz-up inhibit
control at the
beginning of
SHd
—
Note: Display active compressor frequency control
49 10001100
Protection input
63LS
abnormality
HIC abnor-
mality
—
Frozen
protection
4-way valve
disconnection
abnormality
Delay caused
by blocked
valve in
cooling mode
TH6 abnor-
mality
Power
module
abnormality
50 01001100
The second
current value
when micropro-
cessor of power
board abnormality
is detected
0–999.9[Arms]
Note: Display data at time of abnormality
51 11001100 Heatsink tem-
perature when
microprocessor of
power board
abnormality is
detected
−99.9–999.9 (°C)
Note: Display data at time of abnormality
