Echelon HC1B Installation And Start-up Instructions Manual - page 8
Fig. 8—Typical Circuit Connections
A91327
A91326
W
2
C
L
G
Y
E
O
R
C
W
2
L
G
Y
E
O
R
W
3
C
W
2
L
G
Y/Y
2
E
O
R
THERMOSTAT
SUBBASE
INDOOR
SPLICE
CONNECTION
OUTDOOR
SPLICE
CONNECTION
DEFROST
BOARD
THERMOSTAT
SUBBASE
INDOOR
TERMINAL
BOARD
OUTDOOR
SPLICE
CONNECTION
DEFROST
BOARD
FACTORY WIRING
FIELD WIRING
FIELD SPLICE
USED WITH FD3, FF1, FA4, FB4, FC4, FH4 FAN COILS
USED WITH FK4B FAN COIL
SYSTEMS WITHOUT OUTDOOR THERMOSTATS
Y
1
C
G
R
W
2
C
Y
O
R
W
2
C
Y
O
R
W
2
FACTORY WIRING
FIELD WIRING
OUTDOOR THERMOSTAT
USED WITH FB4, FB5, FC4, FA4, FH4 FAN COILS
USED WITH FB4, FB5, FC4, FA4, FH4 FAN COILS
C
W
2
L
G
Y
E
O
R
THERMOSTAT
SUBBASE
INDOOR
SPLICE
CONNECTION
OUTDOOR
SPLICE
CONNECTION
DEFROST
BOARD
C
W
2
L
G
Y
E
O
R
ODT
THERMOSTAT
SUBBASE
INDOOR
SPLICE
CONNECTION
OUTDOOR
SPLICE
CONNECTION
DEFROST
BOARD
SHR
SHR
EHR
ODT
ODT
EMERGENCY HEAT RELAY
FIELD SPLICE
EHR
ODT
REMOVE WIRES FROM CRIMP NUT IN INDOOR FAN COIL WHEN INSTALLING OUTDOOR THERMOSTATS.
SYSTEMS WITH ONE OUTDOOR THERMOSTAT
SYSTEMS WITH TWO OUTDOOR THERMOSTATS
G
R
W
3
C
W
2
E
O
R
G
R
W
3
C
E
IMPORTANT: WHEN USING OUTDOOR THERMOSTATS, W
2
MUST BE ENERGIZED WHEN REQUESTING
SUPPLEMENTAL HEAT.
C
W
2
Y
W
2
O
R
C
W
2
Y
© 1994 RESCO
P.O. Box 1667, Indianapolis, IN 46206
34002r
—8—
Catalog No. 92-33HC-1B2