Trane IntelliPak SCWF 72

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SCXF-SVX01Q-EN

Figure 43. Location of fan belt label on fan scroll (top) and belt tensioning with fan adjustment points (bottom)

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Default Chapter2
- Important Environmental Concerns2
- Important Responsible Refrigerant Practices2
- Table of Contents4
Overview8
- R-410A Compressors8
- Signature Series Self-Contained Unit8
- Components8
Model Number Description11
- Commercial Self-Contained Signature11
- Series11
- Commercial Self-Contained Air-Cooled13
- Condenser13
General Data14
Pre-Installation21
- Receiving21
- Unpacking22
  - Unit Protective Covers23
  - Supply Fan Isolators23
Dimensional Data24
- Steam and Hot Water Coils28
  - Steam Coils28
  - Hot Water Coils28
- Plenum29
- Filters29
- Airside Economizer30
- Service Clearances31
Weights32
Installation - Mechanical34
- Unit Handling34
- Installation Preparation35
- Unit Vibration Isolator Option35
- Procedure35
- Duct Connections36
- Installing the Plenum36
- Installing the Airside Economizer37
- Water Piping38
- Installating the Hydronic Coil39
  - Steam and Hot Water Coil39
- Refrigerant System40
  - Interconnecting Piping40
  - Charging41
Installation - Electrical43
- Unit Wiring Diagrams43
- Supply Power Wiring43
- Selection Procedures44
- Static Pressure Transducer Installation45
- (VAV Units Only)45
  - Transducer Location45
  - Installing the Transducer46
- Zone Sensor Options for Control46
- Units46
- Cvand VAV Applications47
- Option55
  - Connecting to Tracer Summit55
    - Communication Wiring55
  - Programming the Time Clock55
Operating Principles57
- Control Sequences of Operation57
- Tracer Summit System57
- Factory-Mounted Time Clock57
Unoccupied Sequence of Operation57
- Morning Warm-Up57
- Full Capacity Morning Warm-Up57
- Ics58
- Timed Override Activation-Non58
- VAV Drive Max Output58
Occupied Sequence58
- Occupied Zone Temperature58
- Cooling58
- Zone Temperature Control (Unit Model Number Digit 9 = 4 or 5)58
- Supply Air Temperature Control58
- Units with Economizer59
- Cooling/Waterside Economizer59
- Cooling/Airside Economizer59
- Mechanical Cooling59
- Air-Cooled Units Only59
- Water-Cooled Units Only59
- Auto Changeover59
- Only)59
- Occupied Zone Temperature59
- Heating59
- Supply Air Setpoint Reset60
- Only)60
- Reset Based on Outdoor60
- Airtemperature60
- Reset Based on Zone Temperature60
- Supply Airtempering60
- And Steam VAV Units Only)60
- Daytime Warm-Up60
- Changeover60
Thermostatic Expansion Valve60
- Compressor Cycling61
- Compressor Lead/Lag61
- Operation61
- Step Control61
- Compressor Safety Devices62
- Low Ambient Compressor62
- Lockout62
- Evaporator Coil Frost Protection62
- Frostat62
- Service Valve Option63
Waterside Components63
- Water Purge63
- Water Piping Options63
- Basic Water Piping63
- Intermediate Water Piping63
- Water Flow Switch Option63
- Water-Cooled Condensers63
- Waterside Economizer Option63
- Control64
- Constant Water Flow with Intermediate Piping64
- Variable Water Flow with Intermediate Piping64
Unit Airside Components65
- Supply Air Fan65
- Low Entering Air Temperature65
- Sensor65
- Thermostat65
- Dirty Filter Sensor Option65
- Low Ambient Sensor65
- Units)65
- Supply Air Static Pressure Limit65
- Variable Frequency Drive65
- VFD with Bypass66
- Airside Economizer Option66
- Comparative Enthalpy Control66
- Airside Economizers with Traq66
- Damper66
- Standard Two-Position Damper67
- Interface67
Controls68
- Points List68
- BCI-I Option68
- LCI-I Points List68
- Phase Monitor68
- Unit Control Components68
Pre-Startup79
- Units with VFD79
- Pre-Startup Checklist79
- Supply Fan79
- Ductwork79
- Water-Cooled Unit Piping79
- Air-Cooled Units Only79
- Units with Hydronic Heat80
- Units with Electric Heat80
- Electrical80
- Components80
Startup81
- Air-Cooled Only81
- Final Refrigerant Charge82
- Startup Procedure83
Maintenance85
- Service Access85
  - Variable Frequency Drive (VFD)85
- Air Filters85
- Inspecting and Cleaning the Drain86
Diagnostics101
- Troubleshooting101
  - System Checks101
- Additional Diagnostic Resources102
- Emergency Stop103
Wiring Diagrams115

Trane IntelliPak SCWF 72

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