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WARNING
• A field-fabricated secondary drain pan, with a drain pipe to the outside of the
building, is required in all installations over a finished living space or in any area that
may be damaged by overflow from the main drain pan. In some localities, local codes
may require a secondary drain pan for any horizontal installation.
• This unit is not designed for nonducted (freeblow) applications. Electric heat strips and
or blower is easily accessible without duct and presents electrocution or injury hazard.
Mount Positions
The units can be installed in a vertical
(down and up) and Horizontal (right
and left) configuration.
Vertical Up Installations
Horizontal Installations
NOTICE
For horizontal installation, a secondary
drain pan (not supplied) must be installed.
Please follow these steps to perform
Vertical up installation and Horizontal
right installation:
1. Open the upper cover.
2. Open the cover of the electronic control box.
3. Connect the wire according to the wiring
diagram.
4. Connect the pipes.
5. Install the drainage pipes.
upflow
horizontal left
horizontal right
downflow
Page 11
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