MXZ-SM36NAMHZ Service Manual

127
OCH789
No.
SW1
setting
Display mode
Display on the LED1, 2 (display data)
Notes
12345678 1 2 3 4 5 6 7 8
26 01011000
Capacity code (No. 1 indoor unit)
0–255
•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 •Display of indoor unit operating mode
32 00000100
IC2 operation mode
33 10000100
IC3 operation mode
34 01000100
IC4 operation mode
35 11000100
IC5 operation 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 Light on/light o󰀨
37 10100100
External connection status
CN3N1–3 input CN3N1–2 input CN3S1–2 input CN3D1-3 input CN3D1-2 input
Input: light o󰀨 No input: light on
38 01100100
Communication demand capacity
0–255 (%)
Display of communication demand capacity
39 11100100
Number of compressor ON/OFF
0000–9999 (unit: x10)
Display a count of compressor operation/stop
40 00010100
Compressor operating current
0–999.9 (Arms) Display detected current
41 10010100
Input current of outdoor unit
42 01010100
Thermo-ON operating time
0000–9999 (unit: x10)
Display cumulative time of thermo-ON operation
43 11010100
Total capacity of thermo-ON
0–255
Display total capacity code of indoor units inthermo-ON
44 00110100
Number of indoor units
0–255
Display number of connected indoor units
45 10110100 DC bus voltage 0–999.9 (V) Display bus voltage 46 01110100
State of LEV control
Td over heat prevention
SHd decrease 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 compression ratio prevention
Display active LEV control
47 11110100
State of compressor
frequency control 1
Condensing temperature limit control
Compressor temperature control
Discharge temp. (heating) backup control
Pd abnormality control (heating)
Pd Back up control(heating)
Freeze prevention control at the beginning of SHd
Display active compressor frequency control
48 00001100
State of compressor
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
49 10001100 Protection input
63LS abnormality
HIC abnormality
Frozen protection
4-way valve disconnection abnormality
Delay caused by blocked valve in cooling mode
TH6 abnormality
Power module abnormality
50 01001100
The second current value when
microprocessor of POWER
BOARD abnormality is detected
0–999.9[Arms]
Display data at time of abnormality
51 11001100
Heatsink temperature
when microprocessor of POWER
BOARDabnormality is detected
−99.9–999.9 (°F)
State of compressor frequency(Hz) control Content Discharge pressure control Hz control by pressure limitation Compressor temperature control Hz control by discharge temperature limitation SV control Hz control by bypass valve Abnormal rise of Pd control Control that restrains abnormal rise of discharge pressure Heat sink over heat prevention control Heat sink over heat prevention control Secondary current control Secondary current control Input current control Input current control Hz correction of receipt voltage decrease prevention Max.Hz correction control due to voltage decrease Hz restrain of receipt voltage change Max.Hz correction control due to receipt voltage change