IU-29
DUAL, TRIPLE, POKER DC Inverter : 2. Indoor Units
Multi Liberty
DC Inverter
CN7
L
N
S
CN20
CN11
CN5
JP1
CN3
CN1
CN2
CN15
CN101
CN10
CN201
CN202
XT1
CN20
CN13
CN18
CN6
M1 M2
RT1
RT2
L N
S
HFIU (266, 356, 536) X Models
4. Wiring Diagrams of HFIU X Multi Liberty Indoor Units
Temperature compensation in Heating mode
Value
Speed
4th speed
5th speed
Function of microswitches on dedicated PCB
SW102
SW103
(MO / MU
)
(Factory default setting)
(Factory default setting)
Fan speed in in “Powerful” mode
0°C
+2°C
+4°C
+6°C
PCB of microswitches
LED PCB &
IR receiver
To Wired Controller (Optional)
(TO OUTDOOR UNIT)
CN1~CN20 Connectors on PCB
M1
Upper motor of air outlet flaps
M2
Lower motor of air outlet flaps
FAN
Indoor fan motor
RT1
Room temperature sensor
RT2
Heat exchanger’s temperature sensor
XP1~XP5
Connectors
XS1~XS5
Connectors
XT1
4-contacts’ terminal block
JP1
Jumper
Meaning of symbols
Connection of Network Module
Symbol Components
Network Module
To Centralized
Remote Control
Note: If NIM-GRH Module (Network Module) must
be connected, it is needed to cut JP1 jumper.
Control PCB
Black
White
Yellow/
Green
Yellow/
Green
Indoor Unit’s capacity setting
Capacity
SW1
ON
OFF
2
1
266
356
536
XS1
XP1
XS2
XP2
XS3
XP3
XS4
XP4
XS5
XP5
Red
Blue
Yellow
Brown
Black
Blue
Yellow/
Green
SW1
ON
OFF
2
1
ON
OFF
2
1
ON
OFF
2
1
ON
OFF
2
1
ON
OFF
2
1
ON
OFF
2
1
ON
OFF
2
1
ON
OFF
2
1
ON
OFF
2
1
CN16
FAN
ON
OFF
2
1
SW102
SW103
(MO/MU)
ON
OFF
2
1