Centrifugal Fans
Installation, Operation & Maintenance Manual
Gas
Door Air Heaters
IM-895
July 2021
This manual has been prepared to guide the users of gas door air heater units in the proper installation, operation and maintenance
procedures to ensure maximum equipment life with trouble-free operation. For safe installation, startup and operational life of
this equipment, it is important that all involved with the equipment be well-versed in proper door air heater safety practices and
read this manual. It is the user’s responsibility to make sure that all requirements of good safety practices and any applicable
safety codes are strictly adhered to. Additional product and engineering information is available at www.aerovent.com.
Refer to the
Safety
section(s) in this manual prior to installing or servicing the door air heater. The most current version of this installation
and maintenance manual can be found on our website at www.aerovent.com/resources/im-manuals.
SAFETY NOTICE
REVIEW AMCA BULLETIN 410 PRIOR TO INSTALLATION
Table of Contents
Safety & Hazard Warnings ......................................................... 2
Receiving, Inspection & Unpacking ...........................................3
Unit Storage ................................................................................3
Handling ......................................................................................3
General Installation .....................................................................4
Unit Installation (Gas Connections) ...........................................5
Unit Installation (Electrical Connections) ..................................6
Control Cabinet Features .........................................................7-8
Unit Features ...............................................................................8
Accessories ..................................................................................9
Check, Test & Start Procedure ............................................. 10-12
Commissioning ...........................................................................12
Sequence of Operation .............................................................13
Final Step ....................................................................................13
Maintenance ......................................................................... 14-15
Troubleshooting Guidelines .................................................15-16
Start-up Checklist and Report ...................................................17
Field Start-Up Sheet ..............................................................18-22
Model ADH