Install Filter - Whirlpool WMAHM Installation Instructions Manual

Counterflow Application
A. Coil cabinet
B. Blower cabinet
C. Airflow direction
NOTES:
Supply ductwork for counterflow applications must be
Class I.
If combustible ductwork is used, sheet metal protection is
required.
1. Place the blower and coil cabinet assembly supply outlet on
the supply duct or duct opening. Ensure there is ample
support for the unit and all attached ductwork.
2. Connect the refrigerant and condensate drain connections
according to the evaporator coil installation instructions.
Ensure refrigerant and drain lines do not interfere with service
access to the unit.
3. Attach the return ductwork.
4. Seal the connections between the unit and the ductwork as
required to reduce/eliminate air leakage.
5. Make electrical connections as specified in "Electrical
Connections."
Horizontal Installation
For horizontal installations, the coil cabinet must be upstream of
the blower cabinet.
NOTE: All panels should be in place when installing the unit.
Attic Installation
A
A. Blower cabinet
B. Airflow direction
C. Support
6
A
B
C
B
C
Hanging Installation
A
A. Rods
B. Airflow direction
C. Support
1. Set the unit near its final installation place. The unit must be
supported along the entire length of the unit.
2. Install rubber isolation pads to reduce sound and vibration
transmission.
3. Ensure there is ample support for the unit and all attached
ductwork.
4. If installed above a finished ceiling or living space, be sure to
place a secondary drain pan under the entire unit, and pipe
the drain separately from the main condensate drain.
5. Connect the refrigerant and condensate drain connections
according to the coil section installation instructions.
6. Ensure that the refrigerant and drain lines do not interfere with
service access to the unit.
7. Attach the return and supply ductwork.
8. Seal connections.
9. Make electrical connections as specified in "Electrical
Connections."

Install Filter

Filters are not supplied with these air handlers. It is the installer's
responsibility to install properly sized filters in accordance with
the Minimum Filter Requirements Chart.
The filter size is determined by the "Nominal Tons Air
Conditioning and Nominal Airflow" (see chart).
Areas and dimensions shown for cleanable filters are based
on filters rated at 600 ft per minute face velocity.
A
B
C