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
20-130 Ton, Air-Cooled and Evaporative Condensing . . . . . . . . . . . . . . . 91
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
Содержание IntelliPak SAHL Series
Страница 47: ...RT SVX36G EN 47 Installation Figure 16 Unit rigging Figure 17 Typical unit base and roof curb cross section...
Страница 65: ...RT SVX36G EN 65 Installation Figure 30 Hot Water Piping 90 130 Ton Figure 31 Steam Coil Piping 20 36 Ton...
Страница 86: ...86 RT SVX36G EN Installation Figure 38 Field connection diagram notes for 20 89 ton CV or VAV applications...
Страница 87: ...RT SVX36G EN 87 Installation Figure 39 Typical field wiring diagram for 20 89 ton VAV control option 2307 9177...
Страница 88: ...88 RT SVX36G EN Installation Figure 40 Typical field wiring diagram for 20 89 ton VAV control option...
Страница 173: ...RT SVX36G EN 173 Startup Checklists Figure 88 Dry bulb changeover map...
Страница 175: ...RT SVX36G EN 175 Maintenance Figure 89 Unit internal fuse replacement data for air handling units...