26
Air Handling Unit
Installation, Operation, and Maintenance Manual
April 2021
When finished, assembled coupling will appear as
shown.
Insert wall coupling into panel from outside of unit
with appropriately sized nipple.
Slide reducing washer over nipple and attach a second
wall coupling to nipple.
Attach connector to wall coupling from inside unit
with a reducing washer between connector and wall
panel.
NOTE: Connector will vary depending on type of
conduit used.
Continued from previous page.
