UNIT WIRING DIAGRAMS
43
HIGH VOL
T
A
G
E
!
DIS
C
ONNECT
AL
L
POW
E
R BEF
O
RE
SERVICI
NG OR IN
S
T
A
L
L
IN
G
T
H
IS
UNIT
.
M
U
L
T
IPL
E
PO
W
E
R SO
UR
CES M
A
Y BE P
R
ESEN
T
.
F
A
IL
URE
T
O
DO
SO
M
A
Y CAUS
E PRO
P
ERTY DAM
A
G
E
,
PERSO
NAL
I
N
J
U
R
Y
O
R
DE
A
T
H
.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
DCC300XXX6BXXX**
0140L06189-A
SEN2
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
1
2
3
SEN1
3A
1
3
4
2 (NO)
1
3
4
2 (NO)
CC1
CMC1
CC2
CMC2
1
2
3
4
1
2
1
2
3
4
1
2
AUX2-1
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
1
2
3
4
5
6
7
8
9
GRD
MAS
OD ENTH
ECON
ACT
ECON PLM
ECON MODULE
7
18
8
17
6
16
B
R
Y
Y
AUX B
AUX A
10
9
B
R
Y
Y
SENSOR 1
SENSOR 2
24V AC/DC
24V AC/DC
B
R
Y
Y
B
R
Y
Y
ECON
PLF
ECON SHRT
PLM
PLM 3
PLF 3
CCR1
CCR2
TB3
YL
BL
YL
RD
RD
PU
PU
YL
PU
BL
BL
BL
BL
YL
PU
BK
YL
PU
GR
YL
PU
PU
YL
GR
BL
RD
BL
RD
RD
GR
RD
WH
GR
YL
PU
RD
BL
BL
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.
BL
BL
SUPPLY (LINE)
VOLTAGE
24 VAC
TR1
2
2
3. TB3 LOW VOLTAGE TERMINAL BLOCK. FOUR TERMINALS FOR 24VAC PWR (RED WIRE) AND SIX TERMINALS FOR 24VAC COM (BLUE WIRE).
4. CONNECTIONS SHOWN ARE FOR 1-STAGE HEAT OPERATION. WHEN 2-STAGE OPERATION IS REQIRED REMOVE
JUMPER WIRE CONNECTING W2 TO W1 ON TB1.
CNTL DIAG
DCC300***6B
3
GR
SMOKE DETECTOR
PK
PK
BL
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
Y1
TB1
W
G
PK
RD
OR
BL
GR
WH
O
STAT
Y2
C
R
YL
Y2
RD
1
2
3
4
5
6
7
8
9
EBTDR
(NO)
(NC)
COM
G
R
XFMR-R
XFMR-C
C
SPEEDUP
M1
M2
BR
RD
5. EBTDR RELAY ENERGIZES 7 SEC AFTER 24VAC IS APPLIED TO "G". THE RELAY DE-ENERGIZES 65 SEC AFTER 24VAC IS REMOVED FROM "G".
6. EBDTR RELAY DELAYS WILL DECREASE TO APPROX 3-5 SEC WHEN "SPEEDUP" IS SHORTED TO "C"
6
5
HEAT PLF
PU
PU
BL
BC1
BL
BL
BK
CONTROLS DIAGRAM
DCC300, 1 SPD EM
HPS1
LPS1
HPS2
LPS2
YL
PU
YL
PU
YL
PU
YL
PU
YL
PU
L1
L2
L3
PM
BL
PK
PK
R
C
S1
S2
YI
Y2
G
W1
W2
BL
BR
PU
YL
GR
WH
RD
RD
BK
RD
BR
TB3
TB1
FIELD
CONTROL
WIRING
CLASS 2
4
3
PK
BL
PK
Summary of Contents for DCC090 Series
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Page 44: ...44 DCH COMMERCIAL 3 6 Ton Packaged Heat Pump Unit WIRING DIAGRAMS ...
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Page 93: ...47 DCH COMMERCIAL 7 5 12 5 Ton Packaged Heat Pump Unit WIRING DIAGRAMS ...
Page 133: ...38 DCC COMMERCIAL 15 25 Ton Packaged Air Conditioner Unit WIRING DIAGRAMS ...