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Outdoor Cooling and Heat Pump Unit 9K-12K
Outdoor Cooling and Heat Pump Unit 18K
L1
L2
POWER
NOTE: The wiring diagrams in this guide are included as a reference. The manufacturer
has a policy of continuous product and product data improvement and reserves the right
to change design and specifications without notice. Always check the unit nameplate and
wiring diagram for the actual unit requirements.
88-M4MHW17-1B-EN
XT
WH(BU)
BU
L1
(1)
BK
BK
2
RD(BN)
BN
L2
(3)
GN(YEGN)
YEGN
TERMINAL
G
BLOCK
WH(BU)
L1
G
BK(BN)
L2
GN(YEGN)
G
POWER
XT
WH(BU)
BU
L1(1)
N
BK
BK
2
COM-INNER
RD(BN)
BN
L2(3)
AC-L
GN(YEGN)
YEGN
E
TERMINAL
G
BLOCK
G
WH(BU)
BK(BN)
GN(YEGN)
G
OPTIONAL OPTIONAL OPTIONAL
4-WAY
OUTTUBE
OUTROOM
EXHAUST
VALVE
TEMP.
TEMP.
TEMP.
SENSOR SENSOR SENSOR
4YV
20K
15K
50K
VT
(YE)
RT3
RT1
RT2
VT(YE)
T-SEN
4WAY
AP:
Main Board
N
COMU(COM-IN)
AC_L(AC-L)
CN2
LX1-2 LX1-1
E
L1
L1 L1
OG
WH
BU
YE
RD
L
U V W
REACTOR
COMP
OPTIONAL
COMP.
OPTIONAL
BOTTOM
OUTTUBE
OUTROOM
EXHAUST
BAND
TEMP.
TEMP.
TEMP.
HEATER
SENSOR SENSOR SENSOR
EH1
20K
15K
50K
RT3
RT1
RT2
T-SENSOR
(T-SEN)
HEAT-B
AP1:
PRINTED CIRCUIT BOARD
(COM-IN)
OVC-COMP
CN2
WH WH
L1
L1 L1
SAT
BU
YE RD
V W
U
COMP
OVERLOAD
PROTECTOR
OPTIONAL
COMP.
Installer's Guide
Bottom
ELECTRONIC
Band
EXPANSION
VALVE
Heater
EKV
EH1
HEAT-B
FA
OFAN
M
YEGN
G
FAN
G
MOTOR
OPTIONAL
OPTIONAL
ELECTRONIC
EXPANSION
VALVE
EKV
FA
OFAN
4WAY
VT
VT
4YV
M
4-WAY
FAN
VALVE
MOTOR
OPTIONAL
33
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