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Trane IntelliPak SAHL Series User Manual

Trane IntelliPak SAHL Series
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RT-SVX36G-EN 7
Requirements for Modulating Reheat Dehumidification . . . . . . . . . . . . . 50
Condensate Drain Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
O/A Sensor & Tubing Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Remove Evaporative Condenser Fan Shipping Brackets . . . . . . . . . . . . . 54
Evaporative Condenser Make-up Water and Drain Line Installation . . . 55
Gas Heat Units (SFH_) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Flue Assembly Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Hot Water Heat Units (SLH_) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Steam Heat Units (SSH_) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Disconnect Switch External Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Electric Heat Units (SEH_) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Main Unit Power Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Power Wire Sizing and Protection Device Equations . . . . . . . . . . . . . . . . 74
Field Installed Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Controls Using 24 VAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Controls using DC Analog Input/Outputs . . . . . . . . . . . . . . . . . . . . . . . . . 77
Constant Volume System Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Variable Air Volume and Constant Volume System Controls . . . . . . . . . 77
Installation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
20-130 Ton, Air-Cooled and Evaporative Condensing . . . . . . . . . . . . . . . 91
Unit Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Cooling Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Modulating Gas Sequence of Operation—Full and Limited Modulating Gas
Furnace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Wet Heat Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Voltage Supply and Voltage Imbalance . . . . . . . . . . . . . . . . . . . . . . . . . 106
Verifying Proper Fan Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
System Airflow Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Exhaust Airflow Measurement (Optional with all Units) . . . . . . . . . . . . 116
Traq Sensor Airflow Measurement (Optional with all units equipped with
an economizer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Return Plenum Pressure Control (Units equipped with Return Fan) . . 118
Fan Performance Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Pressure Drop Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Economizer Damper Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Compressor Start-Up (All Systems) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Compressor Operational Sounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Evaporative Condenser Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Pressure Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Thermostatic Expansion Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Charging by Subcooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Low Ambient Dampers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Gas Furnace Start-Up (Constant Volume & Variable Air Volume Systems)
156
Two Stage Gas Furnace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Full Modulating Gas Furnace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159

Table of Contents

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Trane IntelliPak SAHL Series Specifications

General IconGeneral
BrandTrane
ModelIntelliPak SAHL Series
CategoryAir Conditioner
LanguageEnglish

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