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Trane IntelliPak SAHL Series

Trane IntelliPak SAHL Series
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SAFETY WARNING
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.
IntelliPak™
Commercial Single-Zone Rooftop Air Conditioners
with CV, VAV, or SZVAV Controls
October 2011 RT-SVX36G-EN
Installation, Operation,
and Maintenance
A” and later Design Sequence
SAHL
*20, *25, *30, *40, *50, *55, *60, *70, *75
SEHL, SFHL, SLHL, SSHL, SXHL
*20, *25, *30, *40, *50, *55, *60, *70, *75,
*24, *29, *36, *48, *59, *73, *80, *89
SXHK, SEHK, SFHK, SLHK, SSHK
*90, *11, *12, *13

Table of Contents

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Trane IntelliPak SAHL Series Specifications

General IconGeneral
BrandTrane
ModelIntelliPak SAHL Series
CategoryAir Conditioner
LanguageEnglish

Summary

IntelliPak Overview

SAFETY WARNING

Important safety precautions for handling the equipment.

Warnings, Cautions, and Notices

Important Environmental Concerns!

Information about environmental impact of refrigerants and Trane's stance.

Responsible Refrigerant Practices!

Guidelines for handling refrigerants responsibly and complying with regulations.

Personal Protective Equipment (PPE) Required!

Mandates the use of appropriate PPE for installation and servicing.

Risk of Roof Collapsing!

Warns about ensuring structural support to prevent roof collapse.

Fiberglass Wool!

Warns about hazards of fiberglass wool and necessary PPE.

No Step Surface!

Warns against walking on the sheet metal drain pan due to collapse risk.

Model Number Descriptions

General Information

Commonly Used Acronyms

Lists and defines common acronyms and abbreviations used in the manual.

Compressor Modules

Explains the role of SCM and MCM modules in mechanical cooling and fan operation.

Low Ambient Control

Explains low ambient control functionality for compressor modules and its modulating output.

Freeze Avoidance

Helps prevent freezing of hydronic heat coils by opening inactive valves at low ambient temperatures.

Installation

Unit Inspection

Details steps for inspecting the unit upon arrival at the job site for damage and completeness.

Trane Roof Curb and Ductwork

Describes roof curb components and installation requirements, including leveling.

Unit Rigging & Placement

Provides detailed instructions and safety warnings for rigging and placing the unit.

Main Electrical Power Requirements

Details requirements for verifying power supply, connecting wiring, and grounding.

Field Installed Control Wiring

Outlines procedures for completing field wiring connections for control systems, referencing diagrams and codes.

Unit Start Up

Cooling Sequence of Operation

Explains the built-in time delays for reliability and compressor efficiency during cooling.

SZVAV Cooling Sequence of Operation

Describes the SZVAV cooling sequence, including VFD control and compressor staging.

Rapid Restart

Explains the Rapid Restart feature after power cycles, restoring capacity and controlling load.

Verifying Proper Fan Rotation

Details the procedure for verifying proper rotation of supply, exhaust, and condenser fans.

System Airflow Measurements

Guides on performing system airflow measurements for Constant Volume systems.

Compressor Start-Up (All Systems)

Details the procedure for starting up all compressor systems, including safety checks and gauge attachment.

Refrigerant Charging

Guides on attaching service gauges and programming system components for refrigerant charging.

Evaporative Condenser Startup

Details the initial steps for starting up evaporative and air-cooled condensers.

Gas Furnace Start-Up (Constant Volume & Variable Air Volume Systems)

Explains the importance of establishing proper air/fuel mixture for safe and efficient gas furnace operation.

Final Unit Checkout

Outlines final checks to perform after completing checkout and startup procedures.

Startup Checklists

20-75 Ton - Air-Cooled

Lists checks for starting up 20-75 ton air-cooled units.

24-89 Ton - Evaporative Condenser

Lists checks for starting up 24-89 ton evaporative condenser units.

90-130 Ton - Air Cooled

Lists checks for starting up 90-130 ton air-cooled units.

Maintenance

Fan Belt Adjustment

Explains how to inspect, replace, and adjust fan belts for proper unit operation.

Scroll Compressor Replacement

Details the procedure for replacing scroll compressors, including manifold system and filter drier installation.

Monthly Maintenance

Outlines monthly maintenance tasks, including filter inspection and cooling season checks.

Coil Cleaning

Provides instructions for cleaning evaporator, microchannel condenser, and reheat coils to enhance efficiency.

Evaporative Condenser Coil

Discusses water supply, drain, and quality management for evaporative condenser coils.

Copper Coil Cleaning

Provides instructions for cleaning copper coils, recommending specific cleaners and warning against others.

Fall Restraint

Describes the fall restraint slots on the unit top and their usage for safety during servicing.

Warranty

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