38
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
WIRING DIAGRAMS
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
PU
WH
RD
BR2
6
5
2
4
3
1
YL
BL
BL
RD
RD
YL
PU
PU
RD
BL
3
2
1
4
BL
BR
7
6
5
WH
8
PU
9
RD
WH
YL
PU
PU
RD BL
BR
PU
YL
PU
WH
BR
YL
WH
GR
GR
YL
PU
GR
RD BL
YL
PU
9
8
PU
PU
5
6
7
YL
4
1
2
3
YL
RD
9
WH
8
GR
5
6
7
BL
YL
4
PU
PU
1
2
3
YL
ECON SHRT
PLM
ECON
PLF
RD
RD
BL
BL
PU
PU
BR
YL
WH
GR
BK
BK
GR
6
5
2
4
3
1
BR
RD
BK
BR
BK
BR
BL
RD
RD
PU
RD
BL
BL
YL
PU
RD
PU
BL
RD
BL
RD
BR
BK
BL
YL
PU
PU
YL
BL
RD
BL
NC
COM
NO
GR
SPEED-UP
G
XFMR-R
XFMR-C
R
RD
PU
RD
GR
GR
GR
BL
YL
BL
BK
BL
BR
YL
BL
6
2
PU
BL
BL
PU
RD
GR
RD
RD
BK RD
S1 S2
R
4
WH
BR
GR
WH
LYUP
O
G
W1 Y2W2
Y1
3
5
BL
BK
RD
BK
GR
BL
SUPPLY (LINE)
VOLTAGE
24 VAC
GR
RD
GR
C
BL
BL
BL
BL
BL
BL
3
FIELD
CONTROL
WIRING
CLASS 2
FIELD
CONTROL
WIRING
CLASS 2
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, BR WIRE),AND
6 TERMINALS FOR (-) 24VAC-COM (BL 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.
5 IF OPTIONAL SMOKE DETECTOR(S) ARE INSTALLED,
REMOVE JUMPER WIRE CONNECTING S1 TO S2 ON TB1.
WIRE CONNECTIONS FROM ACCESSORY KIT:
CONNECT RD WIRE TO TB1-S1.
CONNECT BR WIRE TO TB1-S2.
CONNECT BL TO TB3,(24 COM).
6 EBTDR:
FAN ENERGIZED 7 SEC AFTER 24V APPLIED TO "G".
FAN DE-ENERGIZED 65 SEC AFTER 24V REMOVED
FROM "G".
IF SPEED-UP TERMINAL IS SHORTED TO GROUND
ALL DELAYS ARE REDUCED TO ~5 SEC.
C
O
N
T
R
O
L
S
D
I
A
G
R
A
M
D
C
C
0
7
2
2
S
P
E
E
D
E
M
2
S
T
A
G
E
C
O
M
P
PU
YL
WH
GR
BL BL
2
3
2
1
4
7
6
5
8
9
YL
YL
PU
PU
RD
OR
GR
BL
RD
BK
BK
ECON ACT
S-BUS
S-BUS
1
2
3
4
24V-COM
24V-PWR
GRD
BR
WH
WH
WH
ENTH
MAS
PK
PK
BL
GR
OR
RD
PU
PU
YL
YL
MAS
-t°
OAT
S-BUS
1
2
3
4
5
6
1
2
3
4
5
6
1
2
C
R
1
2
1
4
2
3
Y1-O
Y2-O
Y1-I
4
1
2
3
S-BUS
Y2-I
OAT
OPTIONAL ECONOMIZER
EXH1
E-GND
AUX2-I
OCC
AUX1-O
ECON PLM
ACT 24V
ACT COM
IAQ 24V
IAQ COM
IAQ 2-10
MAT
MAT
PLF 1
TB1
TB3
TB1
TR1
TB3
EBTDR
BR1
CC
BC1
BC2
CS
BL
7
7 PLF1 CONNECTOR FOR OPTIONAL ELECTRIC HEAT.
SEE ELECTRIC HEAT SCHEMATIC FOR WIRING CONNECTIONS.
YL
PK
AUX B
AUX A
8
18
7
Y
Y
R
B
SENSOR 2
Y
Y
R
B
SEN2
PK
OPTIONAL SMOKE DETECTOR
Y
Y
R
B
24V
AC/DC
SENSOR 1
9
10
Y
Y
R
B
16
6
17
SEN1
RD
BR
BL
5
BL
BL/PK
YL
BL/PK
HPS
LPS
YL/PK
YL/PK
YL
YL
GR
BR
WH
0140L04968-A
CONTROLS DIAGRAM FOR DCC072***V
(AIR CONDITIONER, 2 SPD EVAP FAN, 2 STAGE COMP, ALL VOLTAGES)
To Next Page
Loading...
Need help?
General