Trane IntelliPak Installation, Operation And Maintenance Manual page 6

Table of Contents
Precautionary Measures . . . . . . . . . . . . . 77
First Aid Measures . . . . . . . . . . . . . . . . . . 77
Electrical Connection . . . . . . . . . . . . . . . . . . 77
Requirements for Gas Heat . . . . . . . . . . . 78
Requirements for Hot Water Heat (SLH*) 78
Requirements for Steam Heat (SSH*) . . 78
Space Pressure Sensor and Tubing Installa-
tion (All units with Statitrac) . . . . . . . . . . 78
Condensate Drain Connections . . . . . . . . 78
Supply and Return Duct Connections . . . 79
Lifting procedures . . . . . . . . . . . . . . . . . . . . 79
Unit Rigging & Placement . . . . . . . . . . . . 79
Installation Checklist
20-130 Ton, Air-Cooled and Evaporative Con-
densing . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Unit Start Up
. . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Cooling Sequence of Operation . . . . . . . 86
Gas Heating Sequence of Operation . . . 91
Modulating Gas Sequence of Operation-Full
and Limited Modulating Gas Furnace . . 92
Electric Heat Sequence of Operation . . . 93
Wet Heat Sequence of Operation . . . . . . 93
Voltage Supply and Voltage Imbalance . 95
Verifying Proper Fan Rotation . . . . . . . . 101
Direct-Drive Supply Fan Speed Adjustment
101
System Airflow Measurements . . . . . . . 102
VAV Systems with DDP Supply Fan . . . 104
Exhaust Airflow Measurement (Optional with
all Units) . . . . . . . . . . . . . . . . . . . . . . . . . 104
Traq Sensor Airflow Measurement (Optional
with all units equipped with an economizer)
105
Return Plenum Pressure Control (Units
equipped with Return Fan) . . . . . . . . . . 105
Economizer Damper Adjustment . . . . . 125
Compressor Start-Up (All Systems) . . . 127
Compressor Operational Sounds . . . . . 129
Evaporative Condenser Startup . . . . . . 130
Pressure Curves . . . . . . . . . . . . . . . . . . . 131
Thermostatic Expansion Valves . . . . . . 147
6
. . . . . . . . . . . . . . . . . . . . 84
Charging by Subcooling . . . . . . . . . . . . .148
Low Ambient Dampers . . . . . . . . . . . . . .148
Gas Furnace Start-Up (Constant Volume &
Variable Air Volume Systems) . . . . . . . .150
Two Stage Gas Furnace . . . . . . . . . . . . . .150
Full Modulating Gas Furnace . . . . . . . . .152
Limited Modulating Gas Furnace . . . . . .153
Final Unit Checkout . . . . . . . . . . . . . . . . .154
Startup Checklists
. . . . . . . . . . . . . . . . . . . . . .155
20-75 Ton - Air-Cooled . . . . . . . . . . . . .155
24-89 Ton - Evaporative Condenser . . .157
90-130 Ton - Air Cooled . . . . . . . . . . . . .161
Maintenance
. . . . . . . . . . . . . . . . . . . . . . . . . . .165
Fan Belt Adjustment . . . . . . . . . . . . . . . .171
Scroll Compressor Replacement . . . . . .172
Scroll Compressor Replacements . . . . .173
Monthly Maintenance . . . . . . . . . . . . . . .178
Coil Cleaning . . . . . . . . . . . . . . . . . . . . . .179
Fall Restraint . . . . . . . . . . . . . . . . . . . . . . .182
Final Process . . . . . . . . . . . . . . . . . . . . . . .182
Unit Wiring Diagram Numbers
Warranty
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .187
Commercial Equipment Rated 20 Tons and
Larger and Related Accessories . . . . . . .187
Factory Warranty Information . . . . . . . . .187
Index
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .188
. . . . . . . . . . .184
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