Aprilaire 1750A Installation,Safety & Maintenance Manual page 10

THERMOSTAT
R
C
G
W
Y
OPTIONAL OUTDOOR
TEMPERATURE SENSOR
(Model 8052)
90-968
OPTIONAL
VENTILATION
24 VAC
DAMPER
(10 VA min)
TRANSFORMER
HVAC EQUIPMENT
R
C
WIRE NUT
G
W
Y
CYCLE PERIOD
OFF
HVAC FAN
WHL HOUSE
VENT-AUTO
DEHUMIDIFIER
CONTROL
30 MIN.
1 HOUR
2 HOUR
3 HOUR
90-783C
30
MIN.
0 60
MIN MIN. MIN.
OFF TEST
CYCLE TIME
90-783C
SYSTEM SETUP
ON
A B
HVAC FAN
CONVERTIBLE
VENT-TIMED
90-969