Trane Voyager Commercial - Page 103

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RT-SVX34R-EN

103

Figure 94. 25.4 Ton operating pressure — high efficiency (50 Hz)

Figure 95. 29.2 Ton operating pressure — high efficiency (50 Hz)

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Table of Contents

Default Chapter4
- Table of Contents4
Model Number Description8
- 60 Hz Description8
- 50 Hz Description10
General Information12
- About the Unit12
- Unit Inspection12
- Storage12
Unit Dimensions and Weights13
- Recommended Clearances13
- Roof Curb and Ductwork13
  - Horizontal Ductwork13
- Unit Dimensions14
- Unit Rigging and Placement19
Pre-Installation22
- General Unit Requirements22
  - Downflow/Upflow Models22
  - All Units22
- Electrical Requirements22
  - Field Installed Control Wiring22
- Gas Heat Requirements22
Installation General Requirements23
- Condensate Drain Connection23
- Condensate Overflow Switch23
- O/A Sensor & Tubing Installation23
- Units with Statitrac24
Installation Electrical26
- Disconnect Switch External Handle26
- (Factory Mounted Option)26
- Main Power Wiring26
- Through-The-Base Electrical28
- Accessory)28
- Electrical Service Sizing Data28
- Electrical Wire Sizing and Protection31
- Device Equations31
- Low Voltage Wiring32
- Control Power Transformer32
- Field Installed AC Control Wiring32
- Field Installed DC Control Wiring33
- Remote Panels and Sensors36
Installation Piping40
- General Requirements40
- Connecting the Gas Supply Line to the Furnace Gas Train40
- Furnace Gas Train42
Startup42
- Unit Control Modules42
- Conventional Thermostat Connections44
- TCI - Trane Communication Interface44
- (Optional)44
- LCI - Lontalk® Communication44
- Interface (Optional)44
- BCI - Bacnet® Communication44
- WCI - Trane Air-Fi™ Wireless Comm Interface (Optional)44
- Display44
- Microelectronic Control45
- Features45
- Controls45
- Modulating Power Exhaust46
- Mechanical Cooling Without an Economizer (CV and SZ VAV)46
- Zone Temperature - Occupied Cooling (CV and SZVAV)47
- Zone Temperature - Occupied Heating (CV and SZVAV)47
- Supply Fan (CV and SZ VAV)47
- Supply Air Tempering47
- Vav)47
Variable Air Volume Applications48
Vav)48
- Supply Fan Output Control48
- Minimum Supply Fan Output48
- Supply Fan Mode Operation49
- Setpoint Arbitration49
- Units Configured with the Outside Air Measurement (Traq) Option50
- Calibration51
- Ventilation Control53
- Space Pressure Control55
- Traq Overrides and Special56
- Considerations56
- Supply Air Temperature Control - Heating and Cooling56
Variable Air Volume Applications57
Vav)57
- Supply Air Temperature Control - Occupied Cooling and Heating57
- Supply Air Temperature Control with57
- An Economizer57
- VHR Relay Output57
- Zone Temperature Control Without a57
- Night Setback Panel or ICS57
- Unoccupied Cooling57
- Unoccupied Heating57
Applications (Single Zone or58
- Supply Duct Static Pressure58
- Control58
- Supply Air Temperature Reset58
- VAV Supply Air Tempering58
- Heat)58
Constant Volume or Variable Air Volume58
Traditional)58
- Off Mode58
- Cooling (CV or SZ VAV Only)59
- Heating59
- Economizer59
- Gas Heat Control59
- Electric Heat Control60
- Clogged Filter Option60
- Ventilation Override60
- Emergency Stop60
- Phase Monitor60
- Low Pressure Control60
- Control61
- High Pressure Cutout and Temperature Discharge Limit61
- Power Exhaust Control61
- Statitrac61
- Power Exhaust Control62
- (Tracking)62
- Lead/Lag Control62
- Coil Frost Protection62
- Modulating Hot Gas Reheat Frost62
- Protection62
- Switch (Optional)63
- VFD Programming Parameters63
- Control63
Preparing the Unit for Operation66
- Electrical Phasing66
- Voltage Supply and Voltage67
- Imbalance67
Starting the Unit67
- Test Modes67
- Service Test Switch Location68
- Verifying Proper Fan Rotation74
- Verifying Proper Air Flow (CFM) - CV75
- Or Vfd's75
- Exhaust Fan Operation83
Economizer Damper Adjustment84
- Economizer (O/A) Dampers84
- Models with Ultra-Low Leak86
- Economizers86
- Manual Outside Air Damper88
Starting the Compressor89
- Starting 27.5 to 35 Ton Standard89
- Efficiency Units89
- Starting 40 to 50 Ton Standard Efficiency VAV Units90
- Starting 27.5-50 Tons High Efficiency90
- Units and 40-50 Tons Standard90
- Units90
- Line Weights90
- Compressor Oil91
- Noises105
- Heaters105
- Charging by Subcooling105
- Measuring Subcooling105
- Gas Heat Units105
- Electric Heat Units106
- Final Unit Checkout106
Sequence of Operation108
- Mechanical Cooling Sequence of108
- Operation108
- Modulating Hot Gas Reheat Sequence of110
- Operation110
  - Sensible Cooling or Heating Control110
  - Overrides Hot Gas Reheat110
- Gas Heat Sequence of Operation110
- Electric Heat Sequence of111
  - Constant Volume (CV)111
  - Variable Air Volume (VAV)112
- Zone VAV) Sequence of Operation112
  - Variable Air Volume Applications (Single Zone VAV) Sequence of Operation112
- Operation (Reliatel Control)115
  - Low Pressure Control (LPC) Sequence of Operation (Reliatel Control)115
  - High Pressure Control and Temperature Discharge Limit (Reliatel Control)115
- Discharge Limit (Reliatel Control)116
Maintenance116
- Fan Belt Adjustment116
- Monthly Maintenance118
- Coil Cleaning120
- Fall Restraint123
- Refrigeration System123
- Compressor Replacements124
  - Electrical Phasing124
  - Precision Suction Restrictor124
- VFD Programming Parameters125
- (Supply)125
Diagnostics129
- System Status/Diagnostics129
- Economizer Actuator (ECA/RTEM) Test134
Unit Wiring Diagram Numbers144
- And Largerand Related152
Warranty and Liability Clause152
- Commercial Equipment - 20 Tons152
- Accessories152

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