–13–
Wiring Diagram
• HEAT PUMP
Model No.: LT-E1860RJ/RH, LT-E2460RJ/RH
Model No.: LT-D3680RJ/RH
INDOOR WIRING DIAGRAM
3854A20126K
OUTDOOR WIRING DIAGRAM
3854A20126S
INDOOR
MOTOR
DRAIN
PUMP
PIPE
THERMISTOR
REMOTE
CONTROL
FLOAT S/W
CN - DISP
DISPLAY PCB
(
OPTION
)
AIR
CLEANER
H.V
. ASSY
DOOR S/W
TERMINAL
BLOCK
T
O
OUTDOOR UNIT
BR
YL
BK
OR
BL
BL
BR
GN/YL
RD
BK
BL
GN
/YL
COMP
4
W
A
Y
RD
BK
WH
RD
BK
3
(
L
)
4
(
N
)
5 6 7
FUSE T3.15A
STEP
MOTOR
TEMP
.
THERMIST
OR
COMP
R
S
4
2
8
6
1
0
BL
BL
WH
WH
BR
BR
BL
BL
BL
RD
BL
BL
BR
GN/YL
GN/YL
CAPACITOR
CAPACITOR
REVERSING
VALVE
RD
BR
RD
WIRING OF FIELD
BK
OR
TB1
OR
YL
BK
WH
BK
C
POWER
RELAY
FAN
MOTOR
FUSE 5A
FUSE 5A
POWER
INPUT
TO INDOOR UNIT
TERMINAL
BLOCK
1
(
L
)
2
(
N
)
3
(
L
)
4
(
N
)
5
6
7
8
1
2
3
4
5
6
7
8
9
Lo
w Ambient PCB
PIPE
TH
TNS
NO
L1
L2
L3
L4
D.P
NC NO
NC
pipe TH
TB2
REMOVE JUMP WIRE
WHEN CONNECTING
FIRE ALARM SYSTEM
INDOOR WIRING DIAGRAM
OUTDOOR WIRING DIAGRAM
INDOOR
MOTOR
DRAIN
PUMP
STEP
MOTOR
PIPE
THERMISTOR
REMOTE
CONTROL
FLOAT S/W
CN - DISP
DISPLAY PCB
AIR
CLEANER
H.V
. ASSY
DOOR S/W
TERMINAL
BLOCK
T
O
OUTDOOR UNIT
3854A20072G
BR
YL
BK
OR
BL
BL
BR
GN/YL
RD
BK
BL
GN
/YL
COMP
RD
BK
WH
RD
BK
12
3
4
5
FUSE T3.15A
4
W
A
Y
(
OPTIONAL EXTRA
)
TEMP.
THERMISTOR
3854A20126X
CM
52C
T1
2
1
4
3
6
32
A
B
31
5
T2 T3
BL
BL
BL
BL
BK
BK
WH
PIPE.
TH
BK
BK
BK
BK
GN/YL
20SV
20SV
52C
63H
Co
CH
C TH
DP
FUSE
FMo
CM
REVERSING COIL
MAGNECTICONTACTOR
HIGH PRESSURE SWITCH FOR HEATING
RUN CAPCCITOR FOR FMo
CRANK CASE HEATER FOR CM
THERMISTOR FOR PIPE TEMP.
DEICER PCB
250V, 5A
OUTDOOR FAN MOTOR
COMPRESSOR
TMo
C TH
TNS
NO
NO
NC
NC
T/B1
T/B2
D.P
BK
OR
Co
OR
OR
OR
BK
BK
R
3Ø, 50Hz
380-415V
POWER SUPPLY
To the indoor unit
WIRING OF FIELD
(CONNECTING WIRE)
S
T
N
1(L)
2(N)
3
4
5
BK
BK
BL
BK
WH
WH
WH
WH
WH
WH
RD
YL
RD
RD
1
2
3
4
LO
W AMBIENT CIRKIT
5
6
7
8
9
RD
FMo
WH
REMOVE JUMP WIRE
WHEN CONNECTING
FIRE ALARM SYSTEM