Instruction manual

Fig. 13—Multispeed Direct-Drive Furnaces with Field-
Supplied Sail Switch
A91474
WIRENUT, FACTORY SUPPLIED
120-V FIELD WIRING
POWER SUPPLY (120V-60HZ-10)
BLK WHT
FAN SWITCH
FAN MOTOR
GRD
GRN
BLK WHT OR YEL
ELECTRONIC
AIR CLEANER
Fig. 11—Single-Speed Furnaces
A91474
WIRENUT, FACTORY SUPPLIED
120-V FIELD WIRING
POWER SUPPLY (120V-60HZ-10)
BLK WHT
FAN SWITCH
FAN MOTOR
GRD
GRN
BLK WHT OR YEL
ELECTRONIC
AIR CLEANER
Fig. 14—Furnaces with Printed-Circuit Board
A91477
EAC1 EAC2
GRNBLK YEL OR WHT
ELECTRONIC
AIR CLEANER
FURNACE
TERMINAL
BOARD
SCREW TERMINAL
WIRENUT, FACTORY SUPPLIED
120-V FIELD WIRING
GRD
Fig. 12—Multispeed Direct-Drive Furnaces with Field-
Supplied Air Cleaner Relay
A91475
WIRENUT, FACTORY SUPPLIED
120-V FIELD WIRING
24-V FIELD WIRING
ELECTRONIC
AIR CLEANER
BLK
FAN RELAY FAN SWITCH FAN MOTOR
WHT
OR
RED
YEL
OR
WHT
GRD
GRN
BLK
AIR CLEANER
RELAY (FIELD
SUPPLIED)
TO "G" ON
THERMOSTAT
TO "C" ON
THERMOSTAT
POWER SUPPLY (120V-60HZ-10)
LO
HI
C
Fig. 15—Fan Coils with Printed-Circuit Control Board
A91489
EAC1 EAC2
SCREW TERMINAL
WIRENUT, FACTORY SUPPLIED
120-V FIELD WIRING
EAC1 EAC2
TO 240-V
ELECTRONIC AIR
CLEANER (WITH
240-V CONVERSION
KIT INSTALLED)
240:120-V
30 VA
TRANSFORMER
TO 120-V
ELECTRONIC
AIR CLEANER
OR
7