Daikin DCH072 SERIES User Manual

UNIT WIRING DIAGRAMS
HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
46
DCH072XXX6BXXX**
BC
BL
OR
BK
RD
RD
OR
RD
C
3
BL
1
24V
TR
400
BL
GR
BK
BK
RD
OR
BR
RD
RD
BL
BL
BL
PU
CMR
6
GND
/
COM
RD
R
DFT
RD
4
0
0
L3
EM
C
T3
RD
PU
5
BK
BL
O
PLF 2
NC
NO
UP
RD
S
GR
BK
2
C
M
WH
C
E
8
L2
W1
CM
K1
A
BR
6
0
YL
RD
SPEED
RD
4
RVC
/
R
BK
PU
L1
G
PU
5
7
63
K1
BK
BL
M1
T
Y1
T
XFMR-C
W2
C
EBTDR
3
XFMR-R
RCCF
YL
BR
R
G
9
M2
T2
BK
T1
3
BL
4
1
O
SEENOTE 2
GR
2
RD
BR
BL
T
1
F
RD
H
GR
BR
RD
TB1
OR
PU
YL
BL
GR
WH
Y2
PU
YL
PLF 1
WH
BL/PK
BK
BR
PU
WH
BL
OR
OR
GR
RD
BK
HPS
T1T3 T2
COMP
RD
BK
YL
LPS
YL/PK
YL/PK
CH
GR
RD
RD
RD
BL
BL
CHR
CHS
BK
BK
R
EBTDR
BC
HVDR
CMR
3
1
2
P
L
F
1
T2
400/3/60
400V
SEE UNIT RATING PLATE FOR TYPE AND SIZE
5
OF OVER CURRENT PROTECTION
4
TR
BLOWER CONTACTOR
CONTACTOR
COMPRESSOR CONTACTOR RELAY
CRANKCASE HEATER
CRANKCASE HEATER SWITCH
CRANKCASE HEATER RELAY
CONDENSER MOTOR
CONDENSER MOTOR RELAY
COMPRESSOR
DEFROST CONTROL
DEFROST THERMOSTAT
ECONOMIZER
ELECTRONIC BLOWER TIME DELAY
EVAPORATOR MOTOR RELAY
EVAPORATOR MOTOR
EQUPIMENT GROUND
HIGH PRESSURE SWITCH
HIGH VOLTAGE DEFROST RELAY
LOW PRESSURE SWITCH
LOW VOLTAGE DEFROST RELAY
FEMALE PLUG / CONNECTOR
PHASE MONITOR
REVERSING VAVLE COIL
RUN CAPACITOR FOR
CONDENSER FAN
TERMINAL BLOCK (24V SIGNAL)
TRANSFORMER
L3
T3
C
PLF2
24V
C
1
C
3
BC
C
CCR
CH
CHS
CHR
CM
CMR
COMP
DC
DFT
ECON
EBTD
EMR
EM
GND
HPS
HVDR
LPS
LVDR
PLF
PM
RVC
RCCF
TB1
TR
HVDR
6
T1
C
L1
EM
CHR
CM
CO
MP
ONENT L
EGEND
R
F
6
1
DF2
P
L
F
1
G
T2
NOTES:
1. REPLACEMENT WIRE MUST BE SAME SIZE AND
TYPE INSULATION AS ORIGINAL (AT LEAST 105C)
USE COPPER CONDUCTOR ONLY.
2. USE COPPER CONDUCTORS ONLY
++
USE N.E.C. CLASS 2 WIRE
3. ECONOMIZER PLUG LOCATED IN THE RETURN AIR
COMPARTMENT. REMOVE MALE PLUG AND ATTACH
FEMALE PLUG TO THE ECONOMIZER ACCESSORY.
4. CRANKCASE HEATER, CRANKCASE HEATER RELAY,
AND CRANKCASE HEATER SWITCH FACTORY
EQUIPPED WHEN REQUIRED.
COMP
DF1
5
T2
T3
4
L2
C
EBTDR
RCCF
SEE NOTE 3
EBTDR
HPS
3
BC
BC
LOW VOLTAGE
LINE VOLTAGE
FIELD
WIRI
NG
LOW VOLTAGE
OPTIONAL
HIGH VOLTAGE
FACTOR
Y W
IRI
NG
HIGH VOLTAGE
BL
RD
OR
Y1
YL
W
BL
G
R
OR
W
NO E
CONOMIZER
G
OR
YL
RD
Y2
Y1
PK
WH
W
R
RD
WH
GR
C
O
R
YL
O
GR
Y1
G
WH
W
ITH ECO
NOMI
ZE
R OPTION
C
GR
THERMOSTAT
FIELD WIRING
BL
C
O
2
STAGE COOLING
TB1
G
R
W
Y
C
O
TB1
TB1
Y
W
O
R
G
C
W
Y2
G
R
C
O
Y1
STAT
STAT
STAT
BL/PK BLUE WITH PINK STRIP
YL/PK YELLOW WITH PINK STRIP
GR GREEN
W
IRE CODE
BL BLUE
PU PURPLE
PK PINK
WH WHITE
BK BLACK
RD RED
BR BROWN
OR ORANGE
YL YELLOW
S
U
P
P
L
Y
V
O
L
T
A
G
E
C
H
S
E
E
N
O
T
E
4
C
H
R
C
H
S
R
D
C
D
F
T
Y
C
R
R
V
C
L
P
S
C
N
T
R
-
P
S
1
P
S
2
R
W
O
R
-
D
F
T
D
F
T
O
-
R
V
C
-
R
V
D
F
1
D
F
2
R
S
E
E
N
O
T
E
4
R
Y
L
Y
L
R
D
O
R
B
L
B
K
R
D
O
R
Y
L
B
L
1
2
3
C
T2
T3
T1
B
K
SEE NOTE 4
SEE NOTE 4
R
D
R
D
B
L
B
L
R
D
R
D
OPTIONAL
LOW VOLTAGE
B
C
T1
T3
T1
PS2
C
C R
C
Y
Y
R-PS1
R-DFT
DFT
0
CNT
CCR
HVDR
LVDR
W
C-RV
0-RV
0
DF2
DF1
R
DC
B
R
P
K
L1
L2
L3
5
4
6
3
2
1
8
7
9
9
8
7
R
O
GCY1
W1
W2
S2
S1
R
O
GCY1
W1
THERMOSTAT ++
W2
Y2
S2
S1
S
1
S
2
R
D
B
R
R
D
B
R
B
R
Y2
Y2
4
0
0
/
3
/
6
0
0
1
4
0
L
0
6
1
9
7
-
A
EQUIPMENT
GROUND
FIELD GROUND
FIELD SPLICE
SWITCH (TEMP)
IGNITER
SWITCH (PRESS.)
OVERCURRENT
PROT. DEVICE
JUNCTION
TERMINAL
INTERNAL TO
INTEGRATED
CONTROL
PLUG
CONNECTION
++
++
L1
L2
L3
PM
PM
Y
C
Y
o
u
t
C
L1 L2
L3
B
L
/
P
K
B
R
P
U
P
U
P
K
BL
PK
PK
P
K
P
K
B
K
B
K
B
L
B
L
PM
OR
BK
RD
OR
BK
RD
OR
BK
RD
OR
BK
RD

Daikin DCH072 SERIES Specifications

General

Brand	Daikin
Model	DCH072 SERIES
Category	Heat Pump
Language	English