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VENTILATION
The dehumidifier can activate a normally closed damper to bring in outdoor air through a fresh air intake duct. This feature can not be used when
a Model 76 has been installed in a Remote Control application, and is not recommended for two-zone installations.
Required Components Optional Components
Aprilaire Model 6506, Normally Closed Damper 8052 Outdoor Temperature Sensor
6”InsulatedDuctforFreshAirIntakeDuct
24 VAC Transformer (10VA min.) for Ventilation Damper
Intake Hood
18-22 AWG Wire
BALANCING
DAMPERS
NORMALLY CLOSED
VENT DAMPER
AIR IS PULLED
FROM OUTSIDE
HVAC/FURNACE
6 ft
MIN
NORMALLY CLOSED
VENT DAMPER
AIR IS PULLED
FROM OUTSIDE
HVAC/FURNACE
6 ft
MIN
+-AB ODTVENTDEH
Sensor DampersRemote
FLOAT
Switch
DHDH
Gh Rf Cf Gs YW
HVAC EQUIP.
HVAC
EQUIPMENT
THERMOSTAT
24 VAC
(10 VA min)
TRANSFORMER
6" NORMALLY
CLOSED DAMPER
OPTIONAL OUTDOOR
TEMPERATURE SENSOR
(Model 8052)
Y
W
C
R
G
Y
W
G
C
R
INSTALLATION & WIRING
FIGURE 24 – Single Zone, On-Board Control
Ventilation Installation
FIGURE 25 – Single Zone, External Control
Ventilation Installation
FIGURE 26 – Ventilation Wiring
90-1897 90-1898
90-1861
19