26
www.daikincomfort.com
SS-DCG7
Wiring Diagram — DCG 7½ – 12½ Tons (230V, Three-Phase Belt Drive)
208-240/3/60 0140L02572-A
VM
208-240/3/60
SUPPLY VOLTAGE
CC1
L2
T3
COMP1
T2
F
CM1
L1
CC1
T1
C
CC1
T3
L3
T2
FC2
CC2
T3
COMP2
T2
F
CM2
CC2
T1
C
CC2
T3
T2
SEE UNIT RATING PLATE FOR TYPE AND SIZE
COMPONENT LEGEND
OF OVER CURRENT PROTECTION
ALS
BC
BR
CB
CC
CCR
CM
COMP
EM
F
FC
FS
GND
GV
HPS
IBR
IIC
IGN
LPS
LS
PLF
PS
RS
TB1
TR
VM
VMR
OPTIONAL HIGH
VOLTAGE
HIGH VOLTAGE
FIELD WIRING
OR ORANGE
YL YELLOW
PU PURPLE
GR GREEN
PK PINK
RD RED
WH WHITE
LOW VOLTAGE
BK BLACK
WIRE CODE
BR BROWN
BL BLUE
LINE VOLTAGE
FACTORY WIRING
LOW VOLTAGE
AUXILLARY LIMIT SWITCH
BLOWER CONTACTOR
BLOWER RELAY
CIRCUIT BREAKER
COMPRESSOR CONTACTOR
COMPRESSOR CONTACTOR RELAY
CONDENSER MOTOR
COMPRESSOR
EVAPORATOR MOTOR
FUSE
FAN CAPACITOR
FLAME SENSOR
EQUIPMENT GROUND
GAS VALVE
HIGH PRESSURE SWITCH
INDOOR BLOWER RELAY
INTEGRATED IGNITION CONTROL
IGNITOR
LOW PRESSURE SWITCH
LIMIT SWITCH
FEMALE PLUG/CONNECTOR
PRESSURE SWITCH
ROLLOUT SWITCH
TERMINAL BLOCK (24V SIGNAL)
TRANSFORMER
VENT MOTOR
VENT MOTOR RELAY
3. L1 AND L2 ON IIC CONTROL IS 24V INPUT.
4. USE COPPER CONDUCTORS ONLY.
++ USE NEC CLASS 2 WIRE.
5. FOR TWO STAGE OPERATION REMOVE
W1 TO W2 JUMPER WIRE
2. ACCESSORY ECONOMIZER PLUG ADJACENT
TO BLOWER HOUSING IN RETURN AIR
COMPARTMENT. REMOVE MALE PLUG AND
ATTACH FEMALE PLUG TO THE ECONOMIZER
ACCESSORY.
1. REPLACEMENT WIRE MUST BE THE SAME
SIZE AND TYPE OF INSULATION AS ORIGINAL.
(USE COPPER CONDUCTOR ONLY).
NOTES
YL /PK YELLOW WITH
PINK STRIP
BL /PK BLUE WITH
PINK STRIP
4
2
VMR
RD
W1
STAT
Y1
Y2
WH
C
G
YL
Y2
2 STAGE COOLING
R
C
G
R
W1
TB1
PK
GR
Y1
BL
W2
BR
W2
24V
TB1
VMR
FS
IGN
NOTE 3
L2
RS
GV
PLF
NOTE 2
LS
H C
D1
FS
F
5
4
L1 NOTE 3
ALS
ECON
3
6
9
IIC
7
CCR2
3
2
1
9 6
8
7 4
5
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:
FALSE FLAME SENSED
OPEN LIMIT SWITCH
WITHOUT INDUCER ON
PRESSURE SWITCH CLOSED
PRESSURE SWITCH
OPEN
NORMAL OPERATION
3 BLINKS
6 BLINKS
4 BLINKS
5 BLINKS
COMPRESSOR
OUTPUT DELAY
OFF
ON
1 BLINK
2 BLINKS
STATUS LIGHT
OPEN AUX. LIMIT
SWITCH
IGNITION FAILURE
OPEN ROLLOUT
SWITCH
NO POWER OR
INTERNAL CONTROL
EQUIPMENT STATUS
CHECK
PRESSURE SWITCH
MAIN LIMIT OPEN
BAD SWITCH
STICKING GAS VALVE
3 MIN. COMP.
ANTI-CYCLE TIMER
CHECK
PRESSURE SWITCH
GAS PRESSURE
FLAME ROLLOUT
AUX. LIMIT OPEN
FLAME SENSOR
BAD SWITCH
GAS VALVE
GAS FLOW
CHECK INPUT POWER
CHECK FUSE ON CONTROL
REPLACE CONTROL
------
CHECK
TR
1
2
6. MOVE WIRE(S) TO APPROPRIATE INPUT
VOLTAGE TERMINAL ON TRANSFORMER.
T1
FC1
LPS1
HPS1
4
2
CC1
4
2
CC2
CCR2
CCR1
EM
HC
11
CCR1
12
10
BR2
BC
BC
HPS2
LPS2
BC
SEE NOTE 6
8
PS
C
THERMOSTAT
FIELD WIRING
THERMOSTAT
FIELD WIRING
TO THERMOSTAT
BC
++
NOTE 5
R
O
G
C
Y1
W1
W2
S2
S1
R
O
G
C
Y1
W1
W2
Y2
S2
S1
Wirin
g
is
sub
ject
to
chan
ge.
Alw
ay
s
re
fer
to
the
wirin
g
diagr
am
on
th
e
unit
for
the
mos
t
up-t
o-da
te
wiring.
⚠
W
arning
High V
olt
age:
Disc
onn
ect
all
po
w
er
be
for
e
ser
vicin
g
or
in
st
allin
g
th
is
unit.
Mu
lti
ple
po
w
er
sou
rces
ma
y
be
pr
esen
t.
Failu
re
to
do
so
ma
y
cause
pr
op
erty
damag
e,
per
son
al
inju
ry
, or
dea
th
.
⚡
