Daikin DBG Series Service Instructions Manual page 107

UNIT WIRING DIAGRAMS
CLASS 2
G
W1 W2 R
WH
WH
WH
WH BR GR RD
WH
WH BR GR RD
WH
WH
WH
BR
GR RD
WH
WH
GR
WH BR RD
WH
WH
BR
RD
GR
WH
24V
3A
24V COM
GV
LIMIT
SW
PRESSURE
SW
G IN
PRESSURE
SW
W IN
Y IN
COMP OUT
NOTES:
1. REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE OF
INSULATION AS ORIGINAL (USE COPPER CONDUCTORS ONLY).
2. IF OPTIONAL ECONOMIZER IS INSTALLED, REMOVE ECON SHRT
PLM AND CONNECT ECON PLM TO ECON PLF.
3. TB3 LOW VOLTAGE TERMINAL BLOCK.4 TERMINALS FOR 24VAC
PWR (RD,BK,BR WIRE) AND 6 TERMINALS FOR 24VAC COM (BL WIRE).
4. CONNECTIONS SHOWN ARE FOR 1-STAGE HEAT OPERATION.
WHEN 2-STAGE OPERATION IS REQUIRED REMOVE WH JUMPER WIRE
CONNECTING W2 TO W1 ON TB1.
5. IF OPTIONAL SMOKE DETECTOR IS INSTALLED, REMOVE RD JUMPER
WIRE CONNECTING S1 TO S2 ON TB1 AND MAKE THE FOLLOWING WIRE
CONNECTIONS: RD WIRE TO S1,BR WIRE TO TB3 (24V/PWR),BL WIRE
TO TB3 (24V/COM).
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
FIELD THERMOSTAT WIRING
CONTROL 2 STAGE COOLING
WIRING
W WH
G GR
TB1
R RD
4
Y2 YI S2
S1 C
YL
Y1
5
PK PK
Y2
RD
BL
C
OR OR
YL O
BK
PU YL RD BL
TB1
RD
CCR1
4
2
RD
5 6
YL
1 3
RD
BK
3
YL
TB3
RD RD
CCR2
YL 4
OR
5 6
PU
PU 1 3
YL
YL
RD YL
PU RD PU PU
YL
CMR
PU
4
RD
YL
5 6
RD
1 3
BR2
4 2
PU YL
YL
PU RD RD PU YL
YL
WH
5 6
YL BL
1 3
PU YL GR
1
3 2
PLM 3
BL
2 3 PLF 3
1
PU YL RD RD PU YL GR
YL GR YL
RD
RD
RD YL
WH GR RD GR YL GR BR
GR
COOL
GR
GR
HEAT
BL
L2
RD
L1
RD
RD
BL
BL
PU PU
RD RD
RD
RD
YL
YL
GR
YL YL
RD
WH
YL
YL
BR
FS
GY
D1
BL
L2
BL
DBG300XXX(3,4,7)V***AB
SMOKE DETECTOR
BL Y
10
Y
W
PK
SENSOR 1
9
R
G
RD
B
16
AUX A
R
BR Y
6
Y1
Y
SENSOR 2
17
Y2
R
8 B
AUX B
C
18
O
SMK DET
STAT 7
OPTION
HPS1
BK
YL
OR
BL
BL YL
FM1
RD
1
BL
2
BL
RD
OR
BK
3
BK
HPS2
BL BL
2
BR PU
BL
FM2
BL PU
OR
1
BL
2
OR
BR
3
BL BL
YL
PU
GY
PU
2
GY
PLF
LAM1
GY
PU
BK
1
1
BL
BL
2
BK
GY 2
3
BL
GR
BR1
GR
4 2
BK
BR
5 6
YL
BL
1 3
BL
BL
BR
GR
BK
ECON ECON SHRT ECON PLM
PLF PLM
2
2
1
YL
YL
1 1
2
PU
PU
2 2
3
PU
PU
3 3
YL 4
YL
4 4
5
BL
5 5
6
GR
6 6
7
7
7
8
WH
8 8
9
RD
9 9
OR
LAR
BL
RD
4 2
GY
YL
BK
BL GY
5 6
OR
BL
3
1
BL 6
OR
OR
BK BK
YL YL
RD
BL
PU
LS
RD
RD
YL
YL
BR
FS VMR
GY BL
GY
BL
BL
6. IF LOW AMBIENT KIT IS INSTALLED, CONNECT GY WIRE FROM LAM2-3
TO CMR-4. ALSO CONNECT BL COM WIRES FROM LAT-T6 AND LAM2 -2
TO TB3 (24V COM).
7. LAT ON/OFF TIME SETTINGS :
ON - TIME (LEFT COLUMN) : 2,8 = ON
OFF - TIME (RIGHT COLUMN) : 8 = ON
ALL - OTHER DIP SWITCHES = OFF
CONTROLS DIAGRAM
DCG300***(3,4,7) V
Y
Y
SEN1
R
B
SUPPLY (LINE) 3
Y
VOLTAGE
Y TR1
SEN2
R
B
RD BL
BL
24 VAC
GR
LPS1
CC1
YL YL BL
YL
YL
PLF PLM
RD WH
1 1
WH
RD
2 2
-t°
LPS2
CC2
PU
PU BL
PU
PU
BL
PLF PLM
OR WH
1 1
OR WH
2 2
-t°
CMC1
GY BL
BL
CMC2
BL
PU
BL
PLM
BK WH
1
BK WH
BL
2
-t°
BL
BC2
LOW SPEED
BL
BR
BL
BC1
HIGH SPEED
BK BL
BR
BK
BL
GRD
ECON MODULE
LUG
1
MAT 1
MAS
2
AUX2-I MAT 2
3
OCC
4 OAT 1
E-GND
OAT 2
EXH1
1
2 AUX1-O S-BUS 1
OD ENTH
S-BUS 2
1 Y2-I
2 Y2-O IAQ 2-10 1
3 Y1-I 2
IAQ COM
4 Y1-O IAQ 24V 3
ECON
1 C
ACT COM 1 ACT
R
2 ACT 24V 2
3
4
ECON OPTION
LAM2
PLF PLM
LOW AMB
1 WH WH WH
OPTION
1 1
2
WH WH
WH
2 2
3
-t°
LAT
BL
BK
T1 T6 6
YL
T2
LA CMC
RD BL
7
RD
BL
BL
BR
GV
2ND STG
ALS
RS BR
1ST STG COM
PU
PU
BL
PS
BL
2SPD EM
0140L04765 -A
TB3
BL
BL
BL
BL
BL
BL
BL
107