InstallDehumidifier—AtticInstallation
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.
NOTES:
■Install a secondary drain pan with a drain or float interrupt under the dehumidifier to prevent damage to ceiling or living space below.
■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.
3.Attach ³⁄₄" PVC pipe to the condensate drain outlet. See “Location Requirements.”
4.Run the PVC pipe to an outdoor drain. Any horizontal run of drain pipe must have an
5.If needed, install a condensate pump kit (optional).
6.Place a secondary drain pan under the dehumidifier.
7.Using a 10" duct, attach the discharge air supply on the dehumidifier to the return air supply on the existing lower level furnace or air handler.
NOTE: Install ductwork in accordance with NFPA 90B Standard for the Installation of Warm Air Heating and Air Conditioning Systems (latest edition) and any local codes.
8.Attach the return air supply on the dehumidifier to the return air supply on the existing upper level furnace or air handler near the return air grille.
NOTE: Do not draw air directly from the kitchen, bathroom, laundry room or unconditioned isolated basement.
9.If desired, install a fresh air duct. See “Install Dehumidifier— Existing Furnace or Air Handler with Fresh Air Duct.”
10.If desired, install a supply air duct to the basement or crawl space. See “Install
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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