Carrier FA4B - Wiring Layout of Humidifier to Fan Coil with Electric Heat; Latent Capacity Control

The ability to properly perform maintenance on this equipment requires certain mechanical skills and tools. If you do not possess these, contact
your dealer for maintenance. The only consumer service recommended or required if filter replacement or cleaning on a monthly basis.
Fig. 23—Wiring Layout of Humidifier to Fan Coil
with Electric Heat
A95295
R
G
W
Y
THERMOSTAT
R
G
W
2
W
3
E
C
FAN COIL
(CONTROL)
C
Y
AIR COND.
HUMIDISTAT
FAN HUMIDIFIER
115V
RED
GRY
WHT
WHT
BLU
VIO
BRN
M
Fig. 24—Latent Capacity Control
A03012
COM
G
FAN RELAY
DEHUMIDISTAT
(OPENS ON RINSE)
SPDT
24VAC COIL
230VAC 15A
TO
HIGH
SPEED
MOTOR
TO
LOW
SPEED
MOTOR
C
—15—