M-Series SEZ-KA Engineering Manual

SEZ Ducted Heat Pump Systems (August 2014)
SEZ-19
© 2014 Mitsubishi Electric US, Inc.
Due to continuing improvement, above specication may be subject to change without notice.
3-4. ELECTRICAL WIRING DIAGRAMS
SUZ-KA18NA.TH
RT68
TR821
TB1,TB2
X63,X64,X66
21S4
T801
HEATER PROTECTOR(OPTION PARTS)
26H
DB61,DB65
C61,C62,C63
SYMBOL NAME SYMBOL NAME SYMBOL NAME
DEFROST HEATER(OPTION PARTS)
L61
IC802
IPM, HC930
H
F701,F801,F901
LED
LED
RT65 RT64 RT62 RT61
PTC64,PTC65
MF
MC
LEV
LED
11
2 2 1 2
(OPTION PARTS)
YLW
RED
BLK BLK
BLK BLK
26H
BLKBLK
2 1
H
BLK
CN722
3
1
X66
TO INDOOR UNIT CONNECTING WIRES 208/230V 1 phase 60Hz
GROUND
FROM INDOOR UNIT CONNECTING WIRE
BLU
FROM INDOOR UNIT CONNECTING WIRES DC12-24V
POWER SUPPLY 208/230V 1 phase 60Hz
1
1 1 1 1
5
2 3 2 4 1
INVERTER P.C. BOARD
CN931
5
21S4
CN724
6
CN61
LDU
LDV
LDW
ORN
YLW
BLU
BLK
WHT
RED
1
3
BLK
RED
WHT
U
W
MC
MF
LEV
MS
3~
MS
M
3~
V
1
3
IC802
V U
IPM
W
N
P
3
1
HC930
T801
F801
TR821
DB65
DB61
LD66
LD70
C63 C62 C61
L61
CN932
CN644CN642
RT68
RT64
L2
L1
TB1 TB2
S1
S2
S3
BRN
2
1
RED
BRN
BLU
CIRCUIT BREAKER
CN641
RT61
RT62
CN643
RT65
3
X63
CN721
F901
6
LD61
LD62
LD-S
PTC65
LD-E1
BLK
PTC64
X64
F701
LD63
NOTES: 1. About the indoor side electric wiring, refer to the indoor unit electric
wiring diagram for servicing.
2. Use copper conductors only. (For field wiring).
~
–
+
+
+ + +
–
~ ~
~
t° t° t° t° t°
4
REACTOR DIODE MODULE
EXPANSION VALVE COIL COMPRESSOR
SMOOTHING CAPACITOR FUSE (T3.15AL250V) INTELLIGENT POWER DEVICE INTELLIGENT POWER MODULE
FAN MOTOR
CIRCUIT PROTECTION DEFROST THERMISTOR
DISCHARGE TEMP.THERMISTOR
FIN TEMP.THERMISTOR AMBIENT TEMP.THERMISTOR
OUTDOOR HEAT EXCHANGER
TEMP. THERMISTOR. TERMINAL BLOCK
SWITCHING POWER TRANSISTOR
TRANSFORMER
RELAY
REVERSING VALVE COIL
SUZ-KA18NA WIRING DIAGRAM