8
#14:
WIRING
DIAGRAM
MODEL
EWC-ST-3E
CONTROL
PANEL
CONTROLS INC.
Excellence
Without
Compromise
Technical
.
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.
800-446-3110
Sales
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.
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800-446-3110
Fax
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EWC Controls Inc.
•
385 Highway 33
•
Englishtown, NJ
07726 •
800-446-3110
•
FAX 732-446-5362
K9
K8
C9
C8
Z9
Z8
D19
D20
D21
D22
D26
D25
D24
D23
Z7
C6
C7
D17
D18
D12
D11
D10
D9
D3
D4
D5
D6
D13
D14
D15
D16
Z6
K3
K5
K4
K2
K1
K6
K7
C3
C2
C1
C5
C4
Z5
Z4
Z2
Z1
Z3
D8
D7
D1
D2
SW2
SW1
Y
W
R
C
ZONE-3
C
C
R
R
W
W
Y
Y
ZONE-2
ZONE-1
OPEN
OPEN
CLOSE
CLOSE
OPEN
CLOSE
M1
M2
M4
M6
ZONE3
M1
M1
M2
M2
M4
M4
M6
M6
ZONE2
ZONE1
T'STAT
T'STAT
T'STAT
MOTOR
MOTOR
MOTOR
-
+
R
O
C
G
B
O
R1
X
R
G
W
Y
B
O
1
2
24V
T'FORMER
Model
EWC-ST-3E
CONTROL SYSTEM
CONTROLS
INC.
Englishtown,
NJ
CAUTION
ADDITIONAL
ZONE
PANEL
CB1
732-446-5362
1
6
4
DAMPER MOTORS
1
6
4
1
6
4
24VAC
TRANSFORMER
C
Y
HVAC
EQUIPMENT
G
Y
W
C
R
C
RC
B
Y
W
ZONE 2 THERMOSTAT – MODEL EWT-601-2
G
RH
O
C
RC
B
Y
W
ZONE 3 THERMOSTAT – MODEL EWT-601-2
G
RH
O
C
R
B
Y
W/E
ZONE 1 THERMOSTAT – MODEL EWT-725
G
W2 O
