Horizontal Installation
A
| G |
H | E |
| |
| F |
A. Return air from house
B. Existing return air duct
C. To existing furnace or air handler
D. Dehumidifier
B
D
C
E. Power damper (optional)
F. Manual damper (required)
G. Outside air
H. Screened intake hood
Vertical Installation
A 
B
H G
E
F
D
C
A. Return air from house B. Existing return air duct
C. To existing furnace or air handler D. Dehumidifier
E. Power damper (optional) F. Manual damper (required) G. Outside air
H. Screened intake hood
To reduce the humidity that can be found under buildings and in damp basements, install a supply air duct from the dehumidifier to the basement or crawl space.
WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.
NOTE: When using the existing duct system, the dehumidifier fan and the existing system fan must be interlocked by using the low voltage interlock method provided with the dehumidifier. See the wiring diagrams in the “Electrical Connections” section.
1.Disconnect power.
WARNING
Excessive Weight Hazard
Use two or more people to move and install dehumidifier.
Failure to do so can result in back or other injury.
2.Place the dehumidifier in final location. See “Location Requirements.”
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