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INSTALLATION INSTRUCTIONS
MAHM*ETA Series Air Handler
Shipping and Packing List ...........................................3
General........................................................................3
Requirements ..............................................................3
Installation Clearances ................................................4
Installation ...................................................................4
Condensate Drain........................................................6
Duct System and Filters .............................................8
Brazing Refrigerant Lines............................................9
Sealing the Unit .........................................................11
Electrical Connections...............................................11
.........................................15
...............................16
Operation Inspection .................................................16
Operation...................................................................17
Maintenance..............................................................17
Professional Maintenance .........................................17
Cabinet Insulation......................................................18
Use of Air Handler During Construction.....................18
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional HVAC installer or
equivalent, service agency, or the gas supplier.
The Clean Air Act of 1990 bans the intentional venting
of refrigerant (CFCs, HCFCs and HFCs) as of July
1, 1992. Approved methods of recovery, recycling or
may be levied for noncompliance.
sheet metal edges can result in personal injury. Take
