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© 2007 American Standard All rights reserved SXIH-SVX01B-EN
general
information
About This Manual
Literature Change History
Use this manual for Integral Air-Cooled
units, model SCIH. This is the second
issue of this manual, which includes the
addition of the accessory model number
and instructions on how to convert the
unit to a horizontal discharge with correct
belt sizes. Also, it provides specific
installation, operation, and maintenance
instructions for “AO” and later design
sequences.
Note: The procedures discussed in this
manual should only be performed by
qualified, experienced HVAC technicians.
Note: This document is customer
property and must be retained by the
unit’s owner for use by maintenance
personnel.
Overview of Manual
This booklet describes proper installation,
start-up, operation, and maintenance
procedures for the Integral Air-Cooled
unit, model SCIH. Carefully review the
information within this manual and follow
the instructions to minimize the risk of
improper operation and/or component
damage.
Note: One copy of this manual ships
inside the control panel of each unit.
It is important that you perform periodic
maintenance to help ensure trouble free
operation. Should equipment failure
occur, contact a qualified Trane service
organization for an experienced HVAC
technician to properly diagnose and
repair this equipment.
Note: Do not release refrigerant to the
atmosphere!
If adding or removing refrigerant is
required, the service technician must
comply with all federal, state, and local
laws.
_________________________________________________________
Warnings and Cautions
Warnings and cautions appear at
appropriate sections throughout this
manual. Read these carefully.
WARNING
Indicates a potentially hazardous
situation, which could result in death
or serious injury if not avoided.
CAUTION
Indicates a potentially hazardous
situation which, if not avoided, may
result in minor or moderate injury. It
may also be used to alert against
unsafe practices.
CAUTION
Indicates a situation that may result in
equipment or property-damage-only
accidents.
Sample Warnings and Cautions
WARNING
Hazardous voltage!
Disconnect all electric power,
including remote disconnects before
servicing. Follow proper lockout/
tagout procedures to ensure the
power can not be inadvertently
energized. Failure to disconnect
power before servicing could result in
death or serious injury.
CAUTION
Use copper conductors only!
Unit terminals are not designed to
accept other types of conductors.
Failure to use copper conductors may
result in equipment damage.
Common HVAC Acronyms
For convenience, a number of acronyms
and abbreviations are used throughout
this manual. These acronyms are
alphabetically listed and defined below.
cfm = cubic-feet-per-minute
CKT. = circuit
CV = constant volume
CW = clockwise
CCW = counterclockwise
E/A = exhaust air
F/A = fresh air
IOM= installation/operation/maintenance
manual
LH = left-hand
O/A = outside air
psig = pounds-per-square-inch, gauge
pressure
R/A = return air
RH = right-hand
RPM = revolutions-per-minute
S/A = supply air
SZ = sngle-zone (unit airflow)
VAV = variable air volume
Special Note on Refrigeration
Emissions
World environmental scientists have
concluded that ozone in our upper
atmosphere is being reduced due to the
release of CFC fully halogenated
compounds.Trane urges all HVAC service
personnel to make every effort to
prevent any refrigerant emissions while
installing, operating, or servicing
equipment. Always conserve refrigerant
for continued use and follow all warnings
and cautions in this manual.