07/11
506294−01
*2P0711*
*P506294-01*
Page 1
E
2011 Lennox Industries Inc.
Dallas, Texas, USA
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
WARNING
Improper installation, adjustment, alteration, service or
maintenance can cause personal injury, loss of life, or
damage to property.
Installation and service must be performed by a licensed
professional installer (or equivalent) or a service agency.
CAUTION
Physical contact with metal edges and corners while
applying excessive force or rapid motion can result in
personal injury. Be aware of, and use caution when
working near these areas during installation or while
servicing this equipment.
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
Elite
®
Series CBX27UH
Units
MULTI−POSITION AIR HANDLERS
506294−01
07/11
Supersedes 05/11
Table of Contents
CBX27UH Up−flow/Down−flow Unit Dimensions
2
. . .
CBX27UH Horizontal LH/RH 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
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Measuring Static Pressure
9
. . . . . . . . . . . . . . . . . . . . .
Adjusting the Blower Speed
9
. . . . . . . . . . . . . . . . . . . .
Making Electrical Connections
11
. . . . . . . . . . . . . . . . . .
Repairing or Replacing Cabinet Insulation
15
. . . . . . . . .
TOP CAP SHIPPING
BRACKET (REPLACE
SCREWS IN TOP CAP
AFTER REMOVAL)
HORIZONTAL DRAIN PAN (SEE
PAGES 4
AND 6)
BLOWER HOUSING
SUPPORT PAD
IMPORTANT INFORMATION TO INSTALLER
CHECK FOR AND REMOVE THE FOLLOWING ITEMS BEFORE OPERATING UNIT.
REFRIGERANT LINE PLUGS
(SEE PAGE 6)
DRIP SHIELD FOR −060 UNITS ONLY
HORIZONTAL APPLICATIONS (SEE
PAGE 5).
D
D
Litho U.S.A.
