Viessmann AirflowPLUS AH2A Installation, Operating and Service
5680 011 -10
18
Installation
Panels
Horizontal opening
(bottom)
Vertical opening
(left side)
There are 2 return air openings on the air handler. One
is located on the left side for vertical installations and
one is located at the bottom for horizontal installations.
For horizontal installations, remove the bottom panel and
install it to the left side panel opening.
Horizontal installation
1. Remove the bottom panel retaining screws and set
aside.
2. Remove the bottom panel and set aside.
Note:
The fan tray is preinstalled into the bottom of
the air handler.
3. Install the bottom panel to the left side of the air
handler opening and secure with the retaining screws.
4. Connect the field supplied ducting to the bottom of
the air handler.
5. Connect the field supplied ducting as required.
