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4. WIRING DIAGRAM
4-1. Indoor Unit
RAV-SM1403DT-A, RAV-SM1603DT-A
1. indicates the terminal board and
the number indicates the terminal number.
2. The dashed line indicates wiring at the local site.
3. indicates P.C. board.
4. When install Drain Pump. please connect
Float Switch Connector to Connector CN030.
5. When changing external static pressure,
please reconnect Fan Motor connecter (WHI)
to high static pressure connector (RED).
8
7
Noise absorber
Relay
43F3
Color Identification
RED : RED
WHI : WHITE
BLK : BLACK
YEL : YELLOW
BLU : BLUE
GRY : GRAY
ORN : ORANGE
BRW : BROWN
GRN : GREEN
Power supply
220–240V~, 50Hz
Power supply
220–240V~, 50Hz
(Only use twin setting)
3P Connector (RED)
(At the time of shipment)
3P Connector (RED)
(At the time of twin setting)
Fuse
(T5A, 250V~)
CN309
(YEL)
CN067
(BLK)
CN066
(WHI)
CN041
(BLU)
CN034 (GRY)
RY004
RY007
RY006 RY002 RY001
RY005
TA
Earth
screw
1 1
3 3
1
3
1
3
5 5
1
2
1
2
3
1
3
9
9
7
7
5 3
3
1
1
1
1
3 1 3 1 2 3
1
2
1
2
1 33
1
1
3
3
1 2 3 4 5 61 2 3 4 51 2 3 4 5
1 2 3 4 5
1 2 3 4 5
1 2
1 2
1 2
3 4 5
6
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4 5 6
1 2
Fan
CN083 (WHI)
DP
CN068
(BLU)
CS
CN030
(RED)
CN033
(GRN)
CN104
(YEL)
YEL
BLU
ORN
WHIWHIWHI
WHI
WHI
WHI
RED
RED
ORN
ORN
BLK
HMLUL
8
7
Noise absorber
Relay
43F1
1
U3 U4
1 2 3
1 2
L N
3
L N
A B
A B
Fuse (T10A, 250V~)
DP
TCJ
1
2
1
2
CN102
(RED)
TC
1
2
1
2
1
2
3
1
2
CN101
(BLK)
CN080
(GRN)
CN073
(RED)
(EXCT)
1
2
6
5
4
3
2
1
CN070
(WHI)
CN060
(WHI)
CN032
(WHI)
CN061
(YEL)
CN075
(WHI)
CN02
(YEL)
1 2 3 4 5 6
1 2 3 4 5 6
CN01
(WHI)
TR
CN51
(RED)
CN40
(BLU)
Relay terminal
Option
Wired
remote controller
P.C. board
for TCC-LINK
(MCC-1440)
Power supply
circuit
CN074
(WHI)
CN050
(WHI)
(Fan drive)
(Filter)
Option
Outside
error input
( )
P.C. board
(MCC-1520)
P.C. board
(MCC-1403)
BRW
RED
ORN
WHI
WHI
Earth
screw
Relay
43F1
REDRED
YEL
BLU
ORN
YEL
BLU
Outdoor unit
Serial
signal
GRY
WHI
BRW
RED
WHI
RED
RED WHI BLK
RED WHI
BRW
BRW BRW
RED
WHIRED
BLK
BLKBLK
BLK
65
4
3
Relay
43F2
65
43
Relay
43F3
65
43
WHI
RC
GRY
1 3 4 5 7 9
RED
YEL
BLU
ORN
BLK
GRY
WHI
(RED)
1 3 4 5 6 9
(WHI)
(Normal)
1 3 4 5 6 7 9
(WHI)
(High satatic pressure)
Closed-end
connector
FM
8
7
Noise absorber
Relay
43F2
2
BLK
WHI
GRY
RED
YEL
BLU
ORN
Overheating protection switch
49F
RC
For twin setting,
please reconnect this 3P connector
to the R-S terminal 3P connector.
Internal wiring part of fan motor
Earth
screw
Symbol
FM
RC
TR
TA
TC, TCJ
49F
RY002
RY005
RY006
RY007
43F1, 2, 3
Fuse
Fuse
CS
DP
Parts name
Fan motor
Running capacitor
Power transformer
Indoor temp. sensor
Indoor heat exchanger sensor
Overheating protection switch (OFF: 135°C)
Relay for drain pump motor
Relay for fan motor
T10A, 250V~
T5A, 250V~ (On P.C. board (MCC-1403))
Float switch
Drain pump motor
Optional parts