UNIT WIRING DIAGRAMS
99
HI
G
H V
O
LT
A
G
E!
DI
SCO
NNE
CT
AL
L
PO
W
ER BE
FO
RE
S
ERV
ICI
NG
O
R I
NS
TA
LL
IN
G
T
HI
S
U
N
IT
. M
U
LT
IPL
E PO
W
ER
SO
U
R
C
ES M
AY B
E P
R
ESEN
T.
F
A
IL
U
R
E
TO
DO
S
O
M
AY
CAUS
E P
RO
PE
RT
Y DAM
AG
E,
P
ERS
O
NAL
INJ
UR
Y O
R DE
AT
H
.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
DBC300XXX(3,4,7)V***A*
0140L04764-A
3A
1
3
4
2
CC1
CMC1
CC2
CMC2
1
2
3
4
1
2
1
2
3
4
1
2
AUX2-I
OCC
E-GND
EXH1
AUX1-O
Y2-I
Y2-O
Y1-I
C
R
Y1-O
1
2
MAT
MAT
1
2
OAT
OAT
1
2
S-BUS
S-BUS
1
2
3
1
2
3
4
IAQ 2-10
IAQ COM
IAQ 24V
ACT COM
ACT 24V
GRD
LUG
MAS
OD ENTH
ECON
ACT
ECON PLM
ECON MODULE
ECON
PLF
ECON SHRT
PLM
PLM 3
PLF 3
CCR1
TB3
PU
BL
BL
PU
YL
GR
BL
TB3
BL
SUPPLY (LINE)
VOLTAGE
24 VAC
TR1
2
2
CONTROLS DIAGRAM
DCC300***(3,4,7) V
2SPD EM
3
3
GR
EBTDR
(NO)
(NC)
COM
G
R
XFMR-R
XFMR-C
C
SPEEDUP
M1
M2
7
6
BL
HPS1
LPS1
HPS2
LPS2
PU
YL
PU
YL
PU
YL
PU
5
6
1
3
4
2
CCR2
5
6
1
2
3
FM1
1
2
1
2
1
2
3
FM2
1
2
1
2
-t°
-t°
1
2
3
1
2
1
2
-t°
1
3
4
2
LAR
5
6
LAM2
T1
T2
LAT
T6
LA CMC
1
2
3
1
2
1
2
-t°
LAM1
1
3
4
2
CMR
5
6
BK
BK
BK
BK
BL
BL
OR
BK
YL
BK
RD
BL
BL
WH
WH
WH
BL
GY
WH
WH
OR
OR
WH
WH
BL
BR
OR
OR
WH
WH
RD
RD
RD
RD
BL
BK
BL
BR
1
2
3
1
2
3
R
C
S1
S2
YI
Y2
G
W1
W2
TB1
FIELD
CONTROL
WIRING
CLASS 2
4
1
2 3
4
5
6 7 8 9
HEAT PLF
BR
WH
BL
GR
RD
PU
PU
YL
YL
BK
5
BL
RD
RD
BL
YL
BL
RD
YL
BL
BL
YL
YL
PU
PU
BL
OR
PU
BL
GR
GR
RD
RD
RD
RD
GY
YL
YL
PU
YL
PU
PU
GR
PU
PU
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).
NOTES:
BL
BL
BL BR WH
PU RD
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
YL
WH
RD
1
2
3
4
5
6
7
8
9
RD
BL
RD
GY
BL
YL
PU
RD
BR
WH
GR
RD
RD
6. EBTDR RELAY ENERGIZES 7 SEC AFTER 24VAC IS APPLIED TO "G". THE RELAY DE-ENERGIZES
65 SEC AFTER 24VAC IS REMOVED FROM "G".
7. EBDTR RELAY DELAYS WILL DECREASE TO APPROX 3-5 SEC
WHEN "SPEEDUP" IS SHORTED TO "C".
8. 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).
RD
OR
8
BL
GY
RD
BL
BL
8
BL
ECON OPTION
LOW AMB
OPTION
BL
PU
PU
BK
RD
RD
RD
GY
GY
YL
RD
RD
BL
GR
GR
GR
PU
OR
BK
YL
RD
BL
BR
GR
RD
RD
PU YL
YL
PU
BR
WH
GR
RD
RD
RD
BC2
LOW SPEED
BC1
HIGH SPEED
BL
BL
BR2
BL
YL
PU
WH
YL
GR
PU
BL
BL
1
3
4
2
5
6
BR1
1
3
4
2
5
6
BK
BK
GR
BL
BR
BR
BL
BL
YL
BR
BR
BK
GR
GR
BL
YL
YL
YL
BL
GY
BL
OR
WH
WH
WH
YL
YL
BL
YL
OR
BK
PU
BL
BL
BL
YL
BK
BL
BL
BL
BL
BL
BL
WH
WH
WH
BL
WH
WH
WH
WH
WH
BL
BK
THERMOSTAT WIRING
Y1
TB1
W
G
W
PK
RD
Y1
R
OR
BL
GR
C
2 STAGE COOLING
WH
O
O
Y2
C
G
R
YL
PK
RD
OR
BR
STAT
Y2
SEN2
SEN1
7
18
8
17
6
16
B
R
Y
Y
AUX B
AUX A
10
9
B
R
Y
Y
SENSOR 1
SENSOR 2
B
R
Y
Y
B
R
Y
Y
SMOKE DETECTOR
SMK DET
OPTION
24
V
A
C
/D
C
PK
BL
5
PLF PLM
PLF
PLM
PLF
PLM
PLF
PLM
9.
LAT ON/OFF TIME SETTINGS :
ON -TIME (LEFT COLUMN) : 2,8 = ON
OFF -TIME (RIGHT COLUMN) : 8 = ON
ALL OTHER DIP SWITCHES = OFF
9
Summary of Contents for DBG Series
Page 51: ...51 ACCESSORIES GAS ELECTRIC...
Page 52: ...ACCESSORIES 52 GAS ELECTRIC...
Page 53: ...53 ACCESSORIES...
Page 54: ...ACCESSORIES 54...
Page 95: ...95 DBC COMMERCIAL 15 25 Ton Packaged Air Conditioner Unit WIRING DIAGRAMS...
Page 100: ...100 DBG COMMERCIAL 15 25 Ton Packaged Gas Electric Unit WIRING DIAGRAMS...