Service Manual

ACCESSORIES WIRING DIAGRAMS
61
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.
ECONOMIZER
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
36240 ECONOMIZER
WIRE DIAGRAM
2
3
5
6 8
(Y) YELLOW
(BL) BLUE (P) PURPLE
COLOR CODES FOR PLUG 2
4
(G) GREEN
(BL)
(R)
(Y)
(P)
WIRE LENGTHS FOR PLUG 2
(O) ORANGE
PURPLE = 2 X 77"
YELLOW = 2 X 77"
BLUE = 1 X 77" GREEN = 1 X 77"
HONEYWELL
W7220
(G)
(BL)
(P)
(Y)
(O)
(O)
GROUND(G)
GROUND(G)
MAT
MAT
OAT OAT
S-BUS
S-BUS
IAQ 2-10 IAQ COM
IAQ 24V+
ACT 2-10
ACT COM
ACT 24V+
A
UX2-1
OCC
E-GND
EXH1
A
UX1-0
Y2-I
Y2-O
Y1-I
Y1-O
C
R
GROUND LUG
MOLEX 3597706**
50048926-002
MOLEX 3597706**
500-48926-002
ORANGE = 1 X 78" GROUND = 1 X 50"
COLOR CODES FOR PLUG 1
8 (O) ORANGE
GROUND (G)GREEN
WIRE LENGTHS FOR PLUG 1
9 8 7
3 2 1
G
Y2 TSTAT
Y1 (CONTACTOR)
COMMON
Y1 TSTAT
O
6 5 4
(CC1)
Y/Y2 (CONTACTOR)(CC2)
1
(P) PURPLE (Y) YELLOW
4
1 2 6 5
4
1
2 6
5
Y1
Y2
W2
R
G
C
Y1
Y2
W2
R
G
C
COOL 1
HEAT
FAN
ECON.
PLUG
PLUG
ECON
GMC
TERMINAL BLOCK
ROOM THERMOSTAT
88
OO
RV
RV - REVERSING VALVE
(ENERGIZED IN COOLING MODE)
33
COOL 2
(P)
(Y)
(P)
(Y)
99
(R)
9
(R) RED
R
(P)
(P)
(W)
(W)
MOLEX 3597706**
50048926-002
MOLEX 3597702**
50048926-001
MOLEX 3597702**
50048926-001
MS7105K2046/B
HONEYWELL ACTUATOR
1 2 3
COM
+
RED
WHITE
24VAC/DC
CONNECT TO C7250A1001
MIXED AIR SENSOR
CONNECT TO C7400S1000
ENTHALPY CONTROL
BLACK
WHITE
BLACK
RED
MOLEX 3597706**
50048926-002
2
.
.
.
1
0
V
D
C