©2017 Lennox Industries Inc.
Dallas, Texas, USA
Page 1
WARNING
This product contains a chemical known to the State
of California to cause cancer, birth defects, or other
reproductive harm.
WARNING
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.
IMPORTANT
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 reclaiming
must be followed. Fines and/or incarceration may be
levied for noncompliance.
INSTALLATION
INSTRUCTIONS
MULTI-POSITION AIR HANDLERS
507674-01
3/2017
Elite
®
Series
CBA27UHE Air Handler Units
THIS MANUAL MUST BE LEFT WITH THE
HOMEOWNER FOR FUTURE REFERENCE
IMPORTANT: Special procedures are required for cleaning the all-aluminum coil in this unit. See page 15 in this instruction
for information.
IMPORTANT INFORMATION FOR INSTALLER
TOP CAP SHIPPING
BRACKET (REPLACE
SCREWS IN TOP CAP
AFTER REMOVAL)
HORIZONTAL DRAIN PAN (SEE PAGES 4
AND 6)
BLOWER HOUSING
SUPPORT PAD
REFRIGERANT LINE PLUGS
(SEE PAGE 6)
DRIP SHIELD. (USED FOR -060 UNITS HORIZONTAL
APPLICATIONS ONLY.) (SEE PAGE 5.) SHOWN
INSTALLED ON DRAIN PAN IN -060 UNIT.
D
CHECK FOR AND REMOVE THESE ITEMS BEFORE OPERATING UNIT.
D
Table of Contents
CBA27UHE Upow and Downow Unit Dimensions .....2
CBA27UHE Horizontal Left- and Right-Hand Discharge
Unit Dimensions .............................................................3
General Information .......................................................4
Shipping and Packing List .............................................4
Requirements ................................................................4
Installing the Unit ........................................................... 4
Brazing Connections .....................................................6
Installing the Condensate Drain ....................................7
Inspecting and Replacing Filters ...................................8
Sealing the Unit .............................................................8
Measuring Static Pressure ............................................9
Adjusting the Blower Speed ..........................................9
Making Electrical Connections ....................................12
Repairing or Replacing Cabinet Insulation ..................15
Homeowner Maintenance ............................................15
Check-Out Procedures ................................................ 16
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