Viessmann AirflowPLUS AH2A Installation, Operating and Service
5680 011 -10
14
Suspension material
(field supplied)
Secure the suspension
material to the corners
of the air handler housing.
Cold air return
Discharge air
Installation Examples
Installation
IMPORTANT
A field fabricated auxiliary drain pan with drain pipe is
recommended in all configurations.
Horizontal installation
Note:
Field selected suspension materials must be sized
by installing contractor so as to be of sufficient
strength to support air handler weight of 150 lbs.
(68 kg) and connected accessory fittings and
materials.
Note:
Return air openings are provided in both the bottom
and side panels.
CAUTION
Return air openings shall not be installed in back panel.
For horizontal installation over a finished space
A field fabricated auxiliary drain pan with drain pipe is
required to prevent damage by overflow due to blocked
condensate drain.
Temperature sensor and low voltage lead routing
A/C
Coil installed upstream of Air Handler in return plenum.
Refer to “Remote Return Air Sensor T5” on page 26 for
information.
You cannot install the air handler on it’s back or
suspended with front cover facing down.
IMPORTANT
