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4
WHOLE HOUSE INSTALLATION AND OPERATION
In this configuration the dehumidifier will pull air from the return duct. The air passes through the dehumidifier, where moisture is
removed, and then returned to the HVAC system downstream of the cooling coil in the supply plenum. This installation is used
when the HVAC unit conditions the area where dehumidification is needed. Connection to the HVAC unit for the primary living
space or basement HVAC unit is ideal for this installation.
1 – 6508 Normally Closed Power Open Damper
Duct Work
24 VAC Transformer (10 VA minimum)
Thermostat Wire
REQUIRED COMPONENTS OPTIONAL COMPONENTS
6506 Ventilation Damper
24 VAC Transformer (10 VA minimum) for Ventilation Damper
8052 Outdoor Temperature Sensor
Normally Closed Condensate Overflow Safety Switch
6“ MIN
RETURN
AIRFLOW
SUPPLY
AIRFLOW
6“ MIN
N.C. BACKFLOW DAMPER
3‘ MIN
OPTIONAL
OUTDOOR
AIR INTAKE
AIR CLEANERCOOLING COIL
HVAC UNIT
1700
OPTIONAL N.C.
VENT CONTROL
DAMPER
(SEE PAGES 10-11)
FIGURE 3 – DUCTING
90-945