RD
BL
ALS
AUXILIARY LIMIT SWITCH
BC
BLOWER CONTACTOR
BM BLOWER MOTOR
CAP
CAPACITOR
CB
CIRCUIT BREAKER
CC
COMPRESSOR CONTACTOR
CCH
CRANKCASE HEATER
CCP COMPRESSOR/COIL PROTECTION
CHR
CRANKCASE HEATER RELAY
CHS
CRANKCASE HEATER SWITCH
CM CONDENSER MOTOR
COMP COMPRESSOR
CS
COMPRESSOR SOLENOID
ECON
ECONOMIZER
ES
EMERGENCY SHUTDOWN
FB FUSE BLOCK
FPS
FREEZE PROTECTION SWITCH
FS
FLAME SENSOR
GND EQUIPMENT GROUND
GV
GAS VALVE
HPS
HIGH PRESSURE SWITCH
IIC
INTEGRATED IGNITION CONTROL
LPS
LOW PRESSURE SWITCH
LR
LEAK DETECTION RELAY
LS
LIMIT SWITCH
MAT MIXED AIR TEMP. SENSOR
PLF FEMALE PLUG/CONNECTOR
PLM MALE PLUG/CONNECTOR
PS
PRESSURE SWITCH
RDS
REFRIGERANT DETECTION SYSTEM
RS ROLLOUT SWITCH
SMK
SMOKE DETECTOR
TB
TERMINAL BLOCK
TR TRANSFORMER
VM
VENT MOTOR
VMC VENT MOTOR CONTACTOR
4
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
OPTIONAL LOW VOLTAGE
CHASSIS GROUND
F
I
ELD WI
R
I
NG
FA
CTORY
WIR
I
NG
HIGH VOLTAGE
LOW VOLTAGE
EARTH GROUND
CC
A1 A2
YL BL
BC
A1 A2
PK
BL
6
ALTERNATE VENT MOTOR (3 - WIRE)
VMC - T1
VMC - T2
WH
RD
BK
IIC - UNUSED
RD
WH
BK
VM
GR
COM
230V
208V
M
1~
THERM
OST
AT F
I
ELD WIRI
NG
++
1
S
TAGE
COOLI
NG
/H
E
ATING
2
S
T
A
GE
CO
OLING/HEATING
TB1
W1
W2
G
R
Y1
Y2
C
O
WH
GR
PK
YL
BL
OR
STAT
W
G
R
Y
C
O
TB1
W1
W2
G
R
Y1
Y2
C
O
WH
GR
PK
YL
BL
OR
STAT
W1
G
R
Y1
C
O
PU Y2
W2
BR
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
LPS
BL
BL
HPS
YL/PK
BK
YL
CCP
PLF
CCP
PLM
YL/PK
BL/PK
BK
YL
BL/PK
YL
YL
FPS
BK
BK
VMC
A1 A2
GY BL
L1
VMC
L2
T2
T1
FB2
2
F2
F2
2
PS
FS
12
11
10
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
12
11
10
RD
RD
YL
YL
LS
RD
RD
YL
YL
PU
PU
RS
BK
BK
ALS
GAS
PLM
GAS
PLF
PUPU
BL
BR
TN
PU
PU
PU
BL
BR
TN
3
2
1
GV
PLM
GV
HI
C
M
2
1
2
3
4
1
2
3
4
5
2
5
2
0140L07218-A
W2
Y1
O
Y2
S2
R
W1
C
S1
G DH
T1
T2 T3
T4
T5
BA C D
CO
M
PONENT LEG
END
NOTES
SMK
PLM
SMK
PLF
ES
PLM
ES
PLF
BM
PLM3
BM
PLF3
1
2
1
2
2
5
1
2
3
4
1
2
3
4
INSTALLER/SERVICEMAN
THE STATUS LIGHT ON THE FURNACE CONTROL MAY BE USED AS A GUIDE
TO TROUBLESHOOTING THIS APPLIANCE. STATUS LIGHT CODES ARE AS
FOLLOWS:
STATUS LIGHT
EQUIPMENT STATUS
CHECK
ON NORMAL OPERATION -
OFF
NO POWER
OR
INTERNAL CONTROL FAULT
CHECK INPUT POWER
CHECK FUSE CONTROL
1 BLINK
IGNITION FAILURE
OR
OPEN ROLLOUT SWITCH
OR
OPEN AUX. LIMIT SWITCH
REPLACE CONTROL
GAS FLOW
GAS PRESSURE
GAS VALVE
FLAME SENSOR
FLAME ROLLOUT
BAD SWITCH
AUX. LIMIT OPEN
2 BLINKS PRESSURE SWITCH OPEN CHECK PRESSURE SWITCH
3 BLINKS
PRESSURE SWITCH CLOSED
WITHOUT INDUCER ON
CHECK PRESSURE SWITCH
4 BLINKS
OPEN LIMIT SWITCH
MAIN LIMIT OPEN
BAD SWITCH
5 BLINKS FALSE FLAME SENSED STICKING GAS VALVE
6 BLINKS
COMPRESSOR OUTPUT DELAY
3 MIN. COMP. ANTI CYCLE
TIMER
CHR
1 0
PK
BL
BR1
1 0
BR BL
BR2
1 0
YL BL
BR3
1 0
WH BL
GY
4 2
BR1
WH
8 7
BR2
YL
4 2
BR2
PK
PU
7 8
BR3
PU
CS
V1 V2
YL BL
ECON
PLF
12
11
10
9
8
7
6
5
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
ECON
PLM
PU
YL
2
1
BK
PU
YL
BL
GR
WH
PK
BR
GY
MAT
PLF
BK
YL
GND
PB
L1
L2
L3
LINE
VOLTAGE
208-230V/3PH/60Hz
GR
2
4
6 8
BK
RD
CCH
BK
CHR
BK
CHR
L1
CC
L2
T2
T1
L3 T3
2
COMP
L3
L1
BK
RD
OR
BK
RD
OR
BK
RD
YL
L2
GR
M
3~
2
FB1
F1
F1
F1
CAP
3
BL
RD
GY
GR
YL
PU
WH
BR
BK
L1
BC
L2
T2
T1
L3 T3
L1
L2
L3
4
3
2
1
4
3
2
1
GR
BM
BM
PLF2
BM
PLM2
RD
BK
OR
BK
RD
OR
M
3~
GR
9
8
7
6
5
4
3
2
1
BM
PLM1
RD
BK
OR
ALLOW
A
BLE SPE
ED T
APS
T1 T2 T3 T4 T5
T1' T2' T3' T4' T5'
FAN (BK)
X*
- -
-
-
X
-
-
-
-
COOLING STG1 (YL)
X* X X X X -
-
-
- -
COOLING STG2 (PU) -
X X X*
X - -
-
- -
HEATING STG1 (WH) - -
-
- -
X*
X X X X
HEATING STG2 (BR) - - - -
-
X X* X
X
X* DENOTES DEFAULT FACTORY WIRING.
FB3
F3F3
2
F3
THERMOSTAT++
RD
PK
BL
GR
PK
BL
YL
TN
YL
YL
RD
RD
PU
BRBLPK W HGR
GY
BL
10
11
12
1
2
3
4
5
6
7
8
9
IIC PCB
UNUSED
SPEED - UP
IGN
FS
HEAT FAN
COOL FAN
L1
L1
L2
L2
L2
L2
D1
1
2
3
4
5
6
7
8
9
10
11
12
PU
RD
RD
YL
YL
WH
BK
GR
PK
BL
GR
PK
BL
PK
IIC
PLM
COMP OUT
COMP IN
W
R
PS OUT
G
LMT IN
3A
PS IN
LMT OUT
GV
COM
24V
GR
TB1
RD
PK PUBR
PK WH
YLGR
TB2
BL
BR
RD
POWER AND CONTROLS WIRING DIAGRAM
DHG036-048, 3 PHASE, DIRECT DRIVE, HIGH STATIC
TR
CB
GR
CM
L1
L3
BR
BK RD
BR
BK
PU
L2
PU
BK
BK
CM
PLF
CM
PLM
BK
2
1
2
1
M
1~
RD
BK
PU
WH
GR
YL
BK OR
GR
YL
BM
PLF1
WH
5
4
3
2
1
PU
BL
OR
REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE OF
INSULATION AS ORIGINAL (AT LEAST 105° C). USE COPPER
CONDUCTORS ONLY. USE N.E.C. CLASS 2 WIRE FOR ALL LOW
VOLTAGE FIELD CONNECTIONS.
REFERENCE DAIKIN ACCESSORY WIRING DIAGRAM BOOKLET
AND/OR INSTALLATION MANUAL FOR WIRING OF OPTIONAL
EQUIPMENT.
TR PRIMARY (HIGH VOLTAGE) CONNECTIONS: ORANGE WIRE
CONNECTED TO 240V TAP AT THE FACTORY AND BLACK WIRE TO
COM TERMINAL. FOR 208V SUPPLY POWER, MOVE ORANGE WI
RE
FROM 240V TAP TO THE 208V TAP.
G (BLACK) BLOWER SPEED IS FACTORY WIRED TO T1. Y1 (YELLOW)
AND Y2 (PURPLE) BLOWER SPEEDS ARE FACTORY WIRED TO T1
AND T4 RESPECTIVELY. W1 (WHITE) AND W2 (BROWN) BLOWER
SPEEDS ARE FACTORY WIRED TO T1 AND T3 RESPECTIVELY. IF
DIFFERENT SPEEDS ARE NEEDED, SEE IO MANUAL FOR FURTHER
DETAIL ON BLOWER SPEED TAPS.
IF REFRIGERANT LEAK DETECTION PCB IS INSTALLED, REMOVE
ES-PLM PLUG (WITH PINK WIRE) AND CONNECT IT TO RDS-PLF1.
THEN, CONNECT RDS-PL
M2 TO ES-PLF. REMOVE BM-PLM3 AND
CONNECT LR-PLM TO BM-PLF3.
FOR 3-WIRE VENT MOTOR; IF SUPPLY POWER IS 208V,
DISCONNECT RED VENT MOTOR WIRE LEAD FROM RED VMC - T2
WIRE EXTENSION. CONNECT THE BLACK VENT MOTOR WIRE LEAD
TO THE RED VMC - T2 WIRE EXTENSION. CONNECT THE RED VENT
MOTOR LEAD TO THE BLACK IIC - UNUSED WIRE EXTENSION.
1.
BR
BK
YL
WH
BK
PK
GY
BK
WH
BK
RD
VM
BK
GR
230V
COMWH
M
1~
GR
BK RD
BK
RD
BR
PK
TN
RD
RD
PK
BL
WH
PK
RD
PK
BL
PK
TN
BR
TN
CHS
RD
BLRD PK
BK
RD
BK
PUPU
PU
PU
OR
YL
WH
OR
OR
GY
7
6
8
9
GY
BL
BL
WH WH
OR
YL
BL
BR
BK
2
4
2
3
BR3
WH
BK
REFRIGERANT DETECTION SYSTEM
TROUBLESHOOTING GUIDE
RED STATUS
LIGHT
EQUIPMENT
STATUS
CHECK
1 FLASH STARTUP MODE -
SLOW LED
FLASHING
NORMAL
OPERATION
-
FAST LED
FLASHING
R-32 LEAK
ALARM
LEAK DETECTED.
FIND AND REPAIR
THE SOURCE OF
THE LEAK.
LED ON
CONTINUOUSLY
DELAY MODE
MODE WILL
CLEAR AFTER 5
MINUTES.
FAST LED
FLASHING
SYSTEM
VERIFICATION
MODE
USER ACTIVATED
TEST MODE.
2 FLASHES
INTERNAL FAULT
REPLACE
CONTROL BOARD
3 FLASHES
R-32 SENSOR
COMMUNICATION
FAULT
VERIFY
REFRIGERANT
SENSOR WIRING.
REPLACE
SENSOR.
REPLACE
CONTROL
BOARD.
4 FLASHES
R-32 SENSOR
FAULT
REPLACE
SENSOR
1
C
RDS
PLM1
RDS
EEV_IN
EEV_OUT
CTM_OUT
R_OUT
C
C
R
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
5V 2
PORT
SENSOR
NOT USED
ALARM
RDS
PLF1
1
2
3
4
LR
1 3
BK BL
BL
BL
RD
RDS
PLM2
1
2
3
4
PK
PK
RD
BL
PK
PK
RD
BL
RD
TN
5 4
2
LR
BK
1
2
TN
BR
LR
PLM
BK
BLACK
PK PINK
BL
BLUE
PU PURPLE
BL/PK
BLUE WITH PINK STRIPE
RD RED
BR
BROWN
TN TAN
GR
GREEN
WH WHITE
GY GRAY
YL YELLOW
OR
ORANGE
YL/PK
YELLOW WITH PINK STRIPE
WIRE COD
E
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