INSTALLATION MANUAL
75
MAIN BOARD
CN2
CN1
CN33
ALARM
J7
CN23
ON/OFF
CN43
CN9
X
Y
E
S2
S1
CN20
CONVERTER
CN8
HB
HA
CN2
CN40
4
4
AU-KJR-120G/TF-E
Outdoor unit
Power supply
ON/OFF
Alarm
signal
Fresh air
signal
Centralized control
connection CCM
The terminals that are between dashed
lines is optional its use
BOARD
Wiring diagram of indoor unit:
230 Vac
50 Hz
L3
L2
L1
N
N
L
2
)
(
1
( )
400 Vac
50 Hz
S1
S2
CN2
CN1
L N
S2
S1
230 Vac
50 Hz
S1
S2
L
N
L
N
2
)
(
1
( )
No use
230 Vac
50 Hz
CN2
CN1
L N
S2
S1
230 Vac
50 Hz
L N
MUCR-24/30/36/48-H8
MUCR-48/60-H8T
Wiring diagram of Twin (2x1) system:
OUTDOOR
UNIT
Outdoor unit power supply
50 Hz
230V or 400V (according your model)
Master Indoor unit
230V
50 Hz
230V
50 Hz
MASTER
INDOOR UNIT
FRESH AIR
Operation of external signals:
J7
CN33
CN23
CN43
FRESH AIR
ALARM
ON/OFF
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
No use
Use shielded cable for interconnection
Note: Interconnection terminal S1 can be called P, and S2 as Q.
Use shielded cable for interconnection
Note: Interconnection terminal S1 can be called P, and S2 as Q.
Remote
WIRE CONTROLLER
interconnection
SLAVE
INDOOR UNIT
power supply
Slave Indoor unit
power supply
MAIN BOARD
5
KJR-12B (CL94848)
(Optionals)
KJR-29B (CL92869)
10
CN10
DISPLAY
WIRE CONTROLLER
2
(Optional)
4
4
WF-60A1 (CL97157)
4
4
WIFI MODULE
(Optional)
WIRE CONTROLLER
KJR-120C (CL97291)
(Models 18 to 60)
- ON/OFF signal:
- ALARM signal:
- FRESH AIR signal:
1) With the unit running if the contact CN23 opens unit stops and remote control is locked,
CP shown in the display.
2) With the unit stoped if the contact CN23 opens unit will continue stop and remote control
is locked, CP shown in the display.
To use the signal ON / OFF you should cut away the jumper J7 in indoor unit main PCB.
The operation is as follows:
The alarm signal close the port when the unit indicates an error code.
NOTE: Only CP shown in the display if the unit has a digital display.
The wired remote control AU-KJR-120 also shows the CP code.
The 'Fresh Air' signal provides a 230Vac output (max. 200W or 1A load) when the machine
is in operation, this signal can be used to activate an auxiliary fan supplying fresh air.