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Trane IntelliPak SFHL Series

Trane IntelliPak SFHL 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 SFHL Series Specifications

General IconGeneral
BrandTrane
ModelIntelliPak SFHL Series
CategoryAir Conditioner
LanguageEnglish

Summary

Installation, Operation, and Maintenance

IntelliPak Commercial Single-Zone Rooftop Air Conditioners

Overview of IntelliPak commercial single-zone rooftop air conditioners with CV, VAV, or SZVAV controls.

SAFETY WARNING

Critical safety information regarding handling and installation of the equipment.

Warnings, Cautions and Notices

Personal Protective Equipment (PPE) Required!

Mandatory safety equipment requirements for installation and servicing.

Risk of Roof Collapsing!

Warning about ensuring adequate structural support for roof installation.

Fiberglass Wool!

Hazard warning regarding exposure to fiberglass wool insulation.

General Information

Single Zone Variable Air Volume (SZVAV) Only

Description of the SZVAV control type and its functions.

Single Zone Variable Air Volume (VAV) Units

Details on SZVAV unit operation.

Installation

Proper Field Wiring and Grounding Required!

Critical safety instructions for field wiring and grounding.

Unit Inspection

Step-by-step guide for inspecting the unit upon arrival.

Unit Rigging & Placement

Procedures for safe and proper unit rigging and placement.

General Unit Requirements

Summary checklist for general unit installation requirements.

Requirements for Electric Heat Units

Specific requirements for installing electric heat units.

Requirements for Steam Heat (SSH)

Specific requirements for installing steam heat units.

Gas Heat Units (SFH)

Specific installation requirements for gas heat units.

Connecting the Gas Supply Line to the Furnace Gas Train

Procedure for connecting the gas supply line to the furnace.

Hot Water Heat Units (SLH)

Specific installation requirements for hot water heat units.

Steam Heat Units (SSH)

Specific installation requirements for steam heat units.

Electric Heat Units (SEH)

Installation requirements for electric heat units.

Power Wire Sizing and Protection Device Equations

Equations for sizing power wires and protection devices.

Heavy Objects!

Critical safety warning regarding lifting equipment and procedures.

Requirements for Gas Heat

Specific requirements for installing gas heat units.

Hot Surface!

Safety warning regarding hot surfaces on the unit.

Main Electrical Power Requirements

Requirements for connecting the main electrical power supply.

Requirements for Hot Water Heat (SLH)

Specific requirements for installing hot water heat units.

Use Copper Conductors Only!

Important notice to use only copper conductors for unit terminals.

Main Unit Power Wiring

Procedure for connecting the main unit power wiring.

Installation Checklist

Table 33. Installation Checklist

Checklist for installing commercial rooftop units (20-130 Ton).

Table 33. Installation Checklist (continued)

Continued checklist for installing commercial rooftop units.

Unit Start Up

Cooling Sequence of Operation

Explanation of the unit's cooling sequence of operation.

Compressor Crankcase Heaters

Description of compressor crankcase heaters.

SZVAV Cooling Sequence of Operation

Description of SZVAV cooling sequence with VFD fan control.

Low Charge Protection

Protection against low refrigerant charge conditions.

Units with Evaporative Condenser Sequence of Operation

Sequence of operation for evaporative condenser units.

Procedure to set purge setpoints on the conductivity controller

Procedure for setting purge setpoints on the conductivity controller.

Gas Heating Sequence of Operation

Sequence of operation for gas heating systems.

Electric Heat Sequence of Operation

Sequence of operation for electric heat units.

Voltage Imbalance

Calculation and implications of voltage imbalance.

Verifying Proper Fan Rotation

Procedure for verifying proper fan rotation.

System Airflow Measurements

Procedure for measuring system airflow.

Traq Sensor Airflow Measurement (Optional with all units equipped with an economizer)

Procedure for measuring airflow using Traq Sensor with economizer.

Return Plenum Pressure Control (Units equipped with Return Fan)

Procedure for determining and setting return plenum pressure.

Fan Performance Tables

Tables providing fan performance data.

Pressure Drop Tables

Tables providing pressure drop data for components.

To Adjust the Fresh Air Damper Travel:

Procedure to adjust fresh air damper travel.

Rotating Components!

Critical safety warning regarding rotating components.

Compressor Start-Up (All Systems)

Procedure for starting all compressor systems.

Refrigerant Charging

Procedures for charging the refrigeration system.

Evaporative Condenser Startup

Startup procedures for evaporative condensers.

Pressure Curves

Technical data tables for pressure curves.

Measuring Superheat

Procedure for measuring superheat.

Low Ambient Dampers

Operation and installation of low ambient dampers.

Electric, Steam and Hot Water Start-Up

Start-up procedures for electric, steam, and hot water systems.

High-Fire Adjustment

Procedure for adjusting high-fire settings.

Final Unit Checkout

Final checks before leaving the unit.

Rapid Restart

Explanation of the Rapid Restart feature after power cycles.

Frostat Control

Control mechanism to prevent evaporator freezing.

Conductivity Controller

Calibration and setup steps for the conductivity controller.

Honeywell Ignition System

Operation of the Honeywell ignition system.

Flame Failure

Troubleshooting procedure for flame failure.

Wet Heat Sequence of Operation

Sequence of operation for wet heat units (steam/hot water).

Voltage Supply and Voltage Imbalance

Requirements for unit voltage supply and imbalance.

Table 37. Service test guide component operation-evaporative condenser

Guide for testing evaporative condenser components.

Hazardous Service Procedures!

Critical safety warning for servicing procedures.

Exhaust Airflow Measurement (Optional with all Units)

Procedure for measuring exhaust airflow.

Economizer Damper Adjustment

Procedure for adjusting economizer dampers.

NOTICE: Compressors Failure!

Critical notice regarding compressor failure.

NOTICE: Compressor Damage!

Critical notice to prevent compressor damage.

To Check Operating Pressures

Procedure for checking operating pressures.

Charging by Subcooling

Procedure for charging the system by subcooling.

Two Stage Gas Furnace

Details on two-stage gas furnace operation.

Combustion Air Adjustment (O2)

Procedure for adjusting combustion air (O2).

Full Modulating Gas Furnace

Information on full modulating gas furnaces.

Hazardous Gases and Flammable Vapors!

Critical safety warning regarding hazardous gases and vapors.

NOTICE: Compressor Failure!

Critical notice regarding compressor failure due to improper start-up.

Lead-Lag Operation

Explanation of the lead-lag operation for compressors.

Freeze Protection

Function of the freezestat for wet heat coil protection.

Electrical Phasing

Procedure for ensuring correct electrical phasing.

Compressor - Blink Codes

Explanation of compressor blink codes for fault indication.

Thermostatic Expansion Valves

Information on thermostatic expansion valves and adjustment.

Measuring Subcooling

Procedure for measuring subcooling.

Damper Adjustment (Factory or Field Installed)

Procedure for adjusting factory or field installed dampers.

Low-Fire Adjustment (500 MBH, 850 & 1,000 MBH only)

Procedure for adjusting low-fire settings.

Startup Checklists

20-75 Ton - Air-Cooled

Startup checklist for 20-75 ton air-cooled units.

Table 53. Startup checklist (continued)- 20-75 ton air-cooled

Continued startup checklist for 20-75 ton air-cooled units.

24-89 Ton - Evaporative Condenser

Startup checklist for 24-89 ton evaporative condenser units.

Table 55. Startup checklist - 24-89 ton evaporative cooling

Checklist for starting up 24-89 ton evaporative cooling units.

Table 55. Startup checklist (continued)- 24-89 ton evaporative cooling

Continued startup checklist for 24-89 ton evaporative cooling units.

90-130 Ton - Air Cooled

Startup checklist for 90-130 ton air-cooled units.

Table 57. IntelliPak startup checklist (continued)- 90-130 ton air cooled

Continued startup checklist for 90-130 ton air-cooled units.

Table 53. Startup checklist - 20-75 ton air-cooled

Checklist for starting up 20-75 ton air-cooled units.

Table 57. IntelliPak startup checklist - 90-130 ton air cooled

Checklist for starting up 90-130 ton air-cooled units.

Maintenance

Compressor Damage!

Critical notice regarding compressor damage prevention.

Electrical Phasing:

Procedure for correctly phasing electrical supply.

Scroll Compressor Replacement

Procedure for replacing scroll compressors.

Live Electrical Components!

Critical safety warning about working with live electrical components.

R-410 A Refrigerant under Higher Pressure than R-22!

Critical safety warning about R-410A refrigerant pressure.

Precision Suction Restrictor:

Information on precision suction restrictors for tandem compressors.

NOTICE: Coil Cleaners!

Warning about potential damage from coil cleaners.

WARNING Falling Off Equipment!

Critical safety warning regarding falling off equipment.

No Step Surface!

Critical safety warning about avoiding walking on the base sheet metal.

Hazardous Voltage!

Critical safety warning about hazardous voltage.

Refrigerant under High Pressure!

Critical safety warning about system refrigerant pressure.

Scroll Compressor Replacements

Procedure for replacing scroll compressors.

Maintenance

Fan Belt Adjustment

Procedure for inspecting and adjusting fan belts.

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