Installation Instructions
Roof Curbs for Performance Climate Changer™
Air Handlers
Model CSAA and PSCA
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing
of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and
training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or
serious injury. When working on the equipment, observe all precautions in the literature and on the tags,
stickers, and labels that are attached to the equipment.
May 2018
SAFETY WARNING
CLCH-SVN05C-EN
X-39641204010
Introduction
Read this manual thoroughly before operating or servici ng
this unit.
Warnings, Cautions, and Notices
Safety advisories appear throughout this manual as
required. Your personal safety and the proper operation of
this machine depend upon the strict observance of these
precautions.
The three types of advisories are defined as follows:
WARNING
CAUTIONs
NOTICE
Important Environmental Concerns
Scientific research has shown that certain man-made
chemicals can affect the earth’s naturally occurring
stratospheric ozone layer when released to the
atmosphere. In particular, several of the identified
chemicals that may affect the ozone layer are refrigerants
that contain Chlorine, Fluorine and Carbon (CFCs) and
those containing Hydrogen, Chlorine, Fluorine and
Carbon (HCFCs). Not all refrigerants containing these
compounds have the same potential impact to the
environment. Trane advocates the responsible handling of
all refrigerants-including industry replacements for CFCs
and HCFCs such as saturated or unsaturated HFCs and
HCFCs.
Important Responsible Refrigerant
Practices
Trane believes that responsible refrigerant practices are
important to the environment, our customers, and the air
conditioning industry. All technicians who handle
refrigerants must be certified according to local rules. For
the USA, the Federal Clean Air Act (Section 608) sets forth
the requirements for handling, reclaiming, recovering and
recycling of certain refrigerants and the equipment that is
used in these service procedures. In addition, some states
or municipalities may have additional requirements that
must also be adhered to for responsible management of
refrigerants. Know the applicable laws and follow them.
Indicates a potentially hazardous
situation which, if not avoided, could
result in death or serious injury.
Indicates a potentially hazardous
situation which, if not avoided, could
result in minor or moderate injury. It
could also be used to alert against
unsafe practices.
Indicates a situation that could result in
equipment or property-damage only
accidents.
WARNI NG
Proper Field Wiring and Grounding
Required!
Failure to follow code could result in death or serious
injury. All field wiring MUST be performed by qualified
personnel. Improperly installed and grounded field
wiring poses FIRE and ELECTROCUTION hazards. To
avoid these hazards, you MUST follow requirements for
field wiring installation and grounding as described in
NEC and your local/state electrical codes.
WARNI NG
Personal Protective Equipment (PPE)
Required!
Failure to wear proper PPE for the job being undertaken
could result in death or serious injury. Technicians, in
order to protect themselves from potential electrical,
mechanical, and chemical hazards, MUST follow
precautions in this manual and on the tags, stickers,
and labels, as well as the instructions below:
• Before installing/servicing this unit, technicians
MUST put on all PPE required for the work being
undertaken (Examples; cut resistant gloves/sleeves,
butyl gloves, safety glasses, hard hat/bump cap, fall
protection, electrical PPE and arc flash clothing).
ALWAYS refer to appropriate Material Safety Data
Sheets (MSDS)/Safety Data Sheets (SDS) and OSHA
guidelines for proper PPE.
• When working with or around hazardous chemicals,
ALWAYS refer to the appropriate MSDS/SDS and
OSHA/GHS (Global Harmonized System of
Classification and Labelling of Chemicals) guidelines
for information on allowable personal exposure
levels, proper respiratory protection and handling
instructions.
• If there is a risk of energized electrical contact, arc, or
flash, technicians MUST put on all PPE in accordance
with OSHA, NFPA 70E, or other country-specific
requirements for arc flash protection, PRIOR to
servicing the unit. NEVER PERFORM ANY
SWITCHING, DISCONNECTING, OR VOLTAGE
TESTING WITHOUT PROPER ELECTRICAL PPE AND
ARC FLASH CLOTHING. ENSURE ELECTRICAL
METERS AND EQUIPMENT ARE PROPERLY RATED
FOR INTENDED VOLTAGE.
© 2018 Ingersoll Rand CLCH-SVN05C-EN
WARNING
Follow EHS Policies!
Failure to follow instructions below could result in
death or serious injury.
• All Ingersoll Rand personnel must follow Ingersoll
Rand Environmental, Health and Safety (EHS)
policies when performing work such as hot work,
electrical, fall protection, lockout/tagout, refrigerant
handling, etc. All policies can be found on the BOS
site. Where local regulations are more stringent than
these policies, those regulations supersede these
policies.
• Non-Ingersoll Rand personnel should always follow
local regulations.
Copyright
This document and the information in it are the property of
Trane, and may not be used or reproduced in whole or in
part without written permission. Trane reserves the right
to revise this publication at any time, and to make changes
to its content without obligation to notify any person of
such revision or change.
Introduction
Trademarks
All trademarks referenced in this document are the
trademarks of their respective owners.
Revision History
Updated dimensional data.
CLCH-SVN05C-EN 3
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Overview of Manual . . . . . . . . . . . . . . . . . . . 5
Nameplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pre-Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Site Preparation . . . . . . . . . . . . . . . . . . . . . . . 6
Roof Curb Installation Checklist . . . . . . . . . . 6
Dimensions and Weights . . . . . . . . . . . . . . . . . 7
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Assembly and Installation . . . . . . . . . . . . . 10
Unit Roof Curb . . . . . . . . . . . . . . . . . . . . . 10
Pipe Cabinet Roof Curb . . . . . . . . . . . . . . 12
Specialty Roof Curbs . . . . . . . . . . . . . . . . 12
Ductwork Recommendations . . . . . . . . . . . 13
Sound Attenuation . . . . . . . . . . . . . . . . . . 13
Supply and Return Air Ductwork . . . . . . 14
Parts Information . . . . . . . . . . . . . . . . . . . . . 15
4 CLCH-SVN05C-EN
Introduction
Agency listings and/or
agency certifications
Trane order number
Unit level serial number
Service model number
Unit tagging
Section location
Functional section type
Notes and additional
section information
Overview of Manual
Performance Climate Changer™ air handlers may be
mounted on the roof with a roof curb or pier mount. This
manual includes the assembly instructions. Before
proceeding with the installation, refer to the unit submittal
drawings and unit tagging for correct placement of air
handler sections. Failure to review the submittal drawings
could result in performance or assembly problems. If there
are any discrepancies, contact your local Trane sales
engineer before proceeding. Carefully review the
procedures discussed in this manual to minimize
installation and startup difficulties.
Figure 1. Performance air handler section nameplate
Nameplate
Each air handler section includes at least one nameplate/
label, which identifies the type of section and functional
components, customer tagging information, the unit
serial number, the unit order number, the build section
position for installation, and the unit model number. Refer
to this information when ordering replacement parts or
requesting service.
Note: The unit serial number and order number is
required when ordering parts or requesting service
for a Trane air handler.
CLCH-SVN05C-EN 5
Pre-Installation
As-built submittals show the intended layout of the
various air handler sections to meet job site requirements.
Installation information (unit dimensions, clearances,
weights, curb location and roof opening dimensions and
locations) may vary with special equipment and
applications. For exact information, always refer to the
specific unit submittals, which can be obtained from your
local Trane sales office.
Roof curbs are shipped “knocked down” for assembly at
the job site.
Site Preparation
Ensure the installation site can support the total weight of
the air-handling unit, including accessories and the roof
curb. For approximate air handler section weights, refer to
Performance Climate Changer™ Air Handler IOM, CLCHSVX07*-EN. Units with special options or arrangements
will differ in dimensions, clearances, weights and roof
opening dimensions and locations. Always refer to unit
submittals before marking off the dimensions of the unit
roof curb, pipe ca binet curb (if pipe cabinet is ordered),
and roof openings. For roof curbs supplied by Trane,
approximate roof curb weights are in Tab le 1 .
Note: To calculate the total curb weight, find the unit
length, multiply by the factor supplied in Tab l e 1 for
the applicable roof curb height, and add the curb
end weight for the applicable roof curb height.
Roof Curb Installation Checklist
It is recommended that the curb be installed directly on the
support members and fastened to the supports using tack
welds or other equivalent methods. Properly supported
decking should be installed inside the air handler section
of the curb when this method is used.
Verify that the roof structure can adequately support
the combined weight of the unit and curb assembly.
Ensure that the selected installation location provides
sufficient service and operational clearances.
Remove any twist within the curb due to roof supports
and square the curb.
Level the curb.
Secure the curb to the roof support members.
Install 2-inch thick boards or rigid insulation around the
curb.
Install cant strips around the curb.
Bring field supplied roofing felt up to the top of the
curb nailing strips. Nail felt into place.
Install field supplied flashing under the lip of the curb
flanges and over the felt.
Apply sealant to the four corners.
Caulk all joints between the curb and the roof. Attach
the gasket material to the curb’s top flanges (entire
perimeter) and to the supply and return air duct open
panel flanges.
6 CLCH-SVN05C-EN
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