York DHM42CMB21S Service Manual page 18

DHM36CMB21S
POWER XT1
L1
L2
XT2
N(1)
N(1)
2
2
3 3
G
XT3
N(1)
N(1)
2 2
3
3
G XT4
N(1) N(1)
2
2
3
3
G
XT5
N(1)
N(1)
2
2
3
3
G
DHM42CMB21S
POWER
L1
L2
W4
W1
W2
W5
W3 G
W4
W7 W6
W9 W8
W11 W10
M
This ground wire is
unavailable for the
G
plastic-case motor.
EH
4YV
W24 W23
TUBE-D
TUBE-C
4V1
HEAT
θ
θ
θ
RT13
RT12
W1
W2
W5
W3
W6
W7
W9 W8
C
W11 W10
M
W13 W12
L1
L
L2
EH
W24 W23
4V1
HEAT
θ θ
θ θ
G
E1
AC-L
FA
N
FB
W14
1
W15
3
FC
W16
5
COM
FD
W17
7
OVC-COMP
OFAN
HPP
W21
W
W
COMP
W20
V
V
3~ LPP
W19
U
U
AP
W22
G
H-PRESS
BN
L
L1_1
L2_1
YE
BU
L2_2
WH
L1_2
TUBE-B TUBE-A
θ
θ θ θ θ
RT11
RT10 RT9 RT8 RT7 RT6
E1
FA
FB
W14
FC
W15
W16
FD
W17
FE
W18
OVC-COMP
OFAN
HPP
W
W21
W
COMP LPP
V
W20
V
U
W19
U
W22
BN
YE
BU
WH
θ θ θ
θ θ θ
. P
OUTDOOR UNIT
SAT
OVERLOAD PROTECTOR
EKV1
RT12/13 IN/OUT PIPE TEMP. SENSOR D
RT10/11 IN/OUT PIPE TEMP. SENSOR C
EKV2
RT8/9 IN/OUT PIPE TEMP. SENSOR B
RT6/7
IN/OUT PIPE TEMP. SENSOR A
EKV3
RT3 DISCHARGE TEMP.SENSOR
RT2 ENVIRONMENT TEMP.SENSOR
EKV4
RT1 PIPE TEMP. SENSOR
WIRING BOARD 2-5
XT2-5
W25
XT1
SAT WIRING BOARD 1
W26
COMPRESSER BAND
EH
HEATER
4YV
4-WAY VALVE
HP1
P
L INDUCTANCE
COMP
COMPRESSOR
M
FAN
LP P
LP
LOW PRESSURE SWITCH
HIGH PRESSURE SWITCH
HP2
HP2 (YKB-3.7/3.1-C)
P
HIGH PRESSURE SWITCH
HP1
(YKB-4.2/3.6-C)
20K ELECTRONIC EXPANSION VALVE
EKV1-4
COIL 1-4
θ
RT1
AP
MAIN BOARD
15K
SYMBOL
NAME
θ
RT2
50K
θ RT3
COMPONENT POSITION DIAGRAM
AP
L
C
SAT
IN/OUT PIPE TEMP. SENSOR E
IN/OUT PIPE TEMP. SENSOR D
IN/OUT PIPE TEMP. SENSOR C
IN/OUT PIPE TEMP. SENSOR B
IN/OUT PIPE TEMP. SENSOR A
ENVIRONMENT TEMP.SENSOR
WIRING BOARD 2-6
W25
SAT
W26
EH
COMPRESSER BAND HEATER
4-WAY VALVE
HP
L
INDUCTANCE
COMP
COMPRESSOR
LP
M
FAN
LP
LOW PRESSURE SWITCH
HP
HIGH PRESSURE SWITCH
θ
ELECTRONIC EXPANSION VALVE
COIL 1-5
θ
θ
COMPONENT POSITION DIAGRAM
L
XT1
XT2
XT3
XT4
XT5
C
10