Trane Voyager 3 Installation, Operation And Maintenance Manual
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Trane Voyager 3 Installation, Operation And Maintenance Manual

Trane Voyager 3 Installation, Operation And Maintenance Manual

Packaged rooftop air conditioners with symbio 700 controls 27.5 to 50 tons - 60 hz, 22.9 to 41.7 tons (82-142 kw) - 50 hz
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Installation, Operation, and Maintenance
Voyager™ 3
Packaged Rooftop Air Conditioners with Symbio™
700 Controls
27.5 to 50 Tons - 60 Hz
22.9 to 41.7 Tons (82-142 kW) - 50 Hz
"C" and later design
sequence
60Hz/3 phase: TC*,
TE*, YC*, 330C, 360C,
420C, 480C, 600C
50 Hz/3 phase: TC*,
TE*, YC*, 275C, 305C,
350C, 400C, 500C
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment
can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or
serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are attached to the equipment.
March 2025
SAFETY WARNING
RT-SVX089C-EN

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  • Page 1 Installation, Operation, and Maintenance Voyager™ 3 Packaged Rooftop Air Conditioners with Symbio™ 700 Controls 27.5 to 50 Tons - 60 Hz 22.9 to 41.7 Tons (82-142 kW) - 50 Hz “C” and later design sequence 60Hz/3 phase: TC*, TE*, YC*, 330C, 360C, 420C, 480C, 600C 50 Hz/3 phase: TC*, TE*, YC*, 275C, 305C,...

  • Page 2: Warnings, Cautions, And Notices

    (HCFCs). Not all refrigerants containing these compounds bump cap, fall protection, electrical PPE and arc have the same potential impact to the environment. Trane flash clothing). ALWAYS refer to appropriate advocates the responsible handling of all refrigerants.

  • Page 3: Overview Of Manual

    Non-Trane personnel should always follow local regulations. This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in part without written permission. Trane reserves the right to WARNING...

  • Page 4: Table Of Contents

    Table of Contents Model Number Description ....7 Electrical Requirements ....28 Field Installed Control Wiring .
  • Page 5 Table of Contents Duct Mounted Relative Humidity Exhaust Fan Operation ....56 Sensor (BAYSENS037*) ....38 Economizer Damper Adjustment.
  • Page 6 Table of Contents Unit Wiring Diagram Numbers ....99 Precision Suction Restrictor ... . 90 VFD Programming Parameters Warranty and Liability Clause.

  • Page 7: Model Number Description

    Model Number Description 60 Hz Description Digit 1, 2 — Unit Function Digit 10 — Design Sequence Digit 15 — Outside Air Selection TC = DX Cooling, No Heat * = Current A = No Outside Air TE = DX Cooling, Electric Heat B = 0-25% Manual Damper Note: Sequence may be any letter A through Z, or YC = DX Cooling, Natural Gas Heat...
  • Page 8 Model Number Description Digit 27 Miscellaneous Options Elec. Heater Tons 0 = 5kA SCCR Digit 17 Rated D = High Fault 65kA SCCR Disconnect Volt. E = High Fault 65kA SCCR Disconnect w/Powered 0 = No Service Valves Convenience Outlet A = Service Valves Digit 28 27.5...

  • Page 9: 50 Hz Description

    Model Number Description 50 Hz Description Digit 1, 2 — Unit Function Digit 11 — Exhaust Digit 15 — Outside Air Selection TC = DX Cooling, No Heat 0 = None A = No Outside Air TE = DX Cooling, Electric Heat 1 = Barometric Relief (Available w/ Economizer B = 0-25% Manual Damper only)
  • Page 10 Model Number Description Miscellaneous Options Digit 29 — Efficiency/ Condenser Coil Options 0 = Standard Efficiency (eStage) Unit Digit 17 J = Standard Efficiency (eStage) Unit with Corrosion Protected Condenser Coil 0 = No Service Valves K = High Efficiency Unit (eStage) A = Service Valves L = High Efficiency Unit (eStage) with Corrosion Discharge service valves are standard and...

  • Page 11: General Information

    General Information About the Unit WARNING No Step Surface! Overall unit dimensional data is illustrated in “Unit Dimensions and Weights,” p. 12. Each package rooftop Failure to follow instruction below could result in unit ships fully assembled and charged with the proper death or serious injury.

  • Page 12: Unit Dimensions And Weights

    S/A and R/A opening dimensions. “A”, “B”, and “C” cabinets ship with each Trane accessory All outdoor ductwork between the unit and the structure roof curb kit. (See the latest edition of the curb installation should be weather proofed after installation is completed.

  • Page 13: Unit Dimensions

    Unit Dimensions and Weights Unit Dimensions Figure 1. 60 Hz 27.5-35, 50 Hz 23-29 Tons (TCD, TED, YCD low heat) Figure 2. Rear view showing duct openings for horizontal supply and return, 60 Hz 27.5-35, 50Hz 23-29 Tons (TCH, TEH, YCH low heat) 1 1/4 3 1/4 (32)
  • Page 14 Unit Dimensions and Weights Figure 3. 60 Hz 27.5-35, 50 Hz 23-29 tons (TC, TE, YC low heat) NOTES: 1. SEE DETAIL HOOD DRAWING FOR HORIZONTAL / DOWNFLOW UNITS FOR ADDITIONAL DIMENSION AND LOCATION. 90 3/8" 2295.5mm 180 5/16" 4579.9mm SEE NOTE 2 3.25 [82.55mm] TO TOP OF FAN GRILLE 70 7/16"...
  • Page 15 Unit Dimensions and Weights Figure 5. 60 Hz 27.5-35 tons (YCD high heat) 4991 Figure 6. Rear view showing duct openings for horizontal supply and return, 60 Hz 27.5-35 Tons (YCH high heat) 1 1/4 3 1/4 (32) (81) Notes: •...
  • Page 16 Unit Dimensions and Weights Figure 7. 60 Hz 27.5-35 tons (YC high heat) 90 5/8" NOTES: 2301.8mm 1. SEE ROOFCURB DRAWING FOR DETAILS ON FIELD DUCT FITUP AND CONNECTIONS 2. SEE DETAIL HOOD DRAWING FOR HORIZONTAL / DOWNFLOW UNITS FOR ADDITIONAL DIMENSION 208 1/16"...
  • Page 17 Unit Dimensions and Weights Figure 9. 60 Hz 40-50, 50 Hz 33-42 tons (TCD, TED, YCD low and high heat) Figure 10. Rear view showing duct openings for horizontal supply and return, 60 Hz 40-50, 50Hz 33-42 Tons (TCH, TEH, YCH low and high heat) 1 1/4 3 1/4 (32)
  • Page 18 Unit Dimensions and Weights Figure 11. 60 Hz 40-50, 50 Hz 33-42 tons (TC, TE, YC low and high heat) NOTES: 90 5/8" 1. SEE ROOFCURB DRAWING FOR DETAILS 2301.8mm ON FIELD DUCT FITUP AND CONNECTIONS 2. SEE DETAIL HOOD DRAWING FOR HORIZONTAL / DOWNFLOW UNITS FOR ADDITIONAL DIMENSION AND LOCATION.

  • Page 19: Unit Rigging And Placement

    Unit Dimensions and Weights Figure 13. Side view showing fresh air and power Figure 15. Location of “Ship With” items for TC*, TE*, exhaust hoods for downflow return and YC* units VFD ACCESS Fresh Air Hood CONTROL PANEL Pow er COMPRESSOR ACCESS Exhaust End of...
  • Page 20 Unit Dimensions and Weights Table 1. Minimum operating clearances installation (horizontal, downflow, and mixed airflow configurations) Var. Freq. Drives Non- Factory (VFD’s) 0-25% Thru-the Roof Curb Unit Model Baro. Power Serv. Fused GFI with HGRH Econ. base With (60Hz/50Hz) Relief Exhaust Valves Discon.
  • Page 21 Point Loads shown are based on the weights of YC high gas heat units. Point Loads shown are approximate and have a ±10% accuracy. To calculate point loads for a specific unit configuration, utilize Trane Select Assist™ or contact your local Trane®...
  • Page 22 Weights shown are subject to change based on the specific unit configuration. Weights shown represent approximate operating weights and have a ±10% accuracy. To calculate weight for a specific unit configuration, utilize Trane Select Assist™ or contact your local Trane® sales representative.

  • Page 23: A2L Information And Installation

    Installation, repair, removal, or disposal should be performed by trained service personnel. A2L Work Procedures At all times, Trane’s maintenance and service guidelines shall be followed. If in doubt, contact Trane technical WARNING support for assistance. Risk of Fire — Flammable Refrigerant!

  • Page 24: Leak Detection

    (Detection equipment shall be calibrated in a accelerate defrosting of components. Use only defrost and refrigerant-free area.) Ensure that the detector is not a cleaning procedures recommended by Trane. Do not potential source of ignition and is suitable for the refrigerant pierce or burn.

  • Page 25: Refrigerant Charging

    A2L Information and Installation Requirements Decommissioning In addition, a set of calibrated weighing scales shall be available and in good working order. Before carrying out the decommissioning procedure, it is The refrigerant shall be recovered into the correct recovery essential that the trained service personnel is completely cylinders if venting is not allowed by local and national familiar with the equipment and all its details.

  • Page 26: Ignition Sources In Ductwork

    A2L Information and Installation Requirements refrigerants. This standard limits the refrigerant • The first threshold defines when equipment serving a concentration in a space in the event of a refrigerant leak. single room is required to provide circulation airflow, To meet the requirements, the UL standard defines either continuous or activated by a leak detection minimum room area, refrigerant charge limit, minimum system.

  • Page 27: Leak Detection System

    A2L Information and Installation Requirements In addition, A can be adjusted if the unit is installed in a Adjacent rooms on the same floor of the building and room at a height that is higher than the minimum height connected by permanent openings in the walls and/or shown on the unit.

  • Page 28: Pre-Installation

    Pre-Installation The checklist listed below is a summary of the steps WARNING required to successfully install a Voyager 3 rooftop unit. Electrical Shock Hazard! This checklist is intended to acquaint the installing Failure to follow instructions below could result in personnel with what is required in the installation process.

  • Page 29: Installation General Requirements

    Installation General Requirements Condensate Drain Connection Figure 19. Condensate overflow switch location Each commercial rooftop unit is equipped with one (1) 1-1/ 4 inch Female NPT (threaded) drain connection. Refer to “Unit Dimensions and Weights,” p. 12 for the location of the connector. A condensate trap must be installed due to the drain connection being on the “negative pressure”...

  • Page 30: Units With Statitrac

    Installation General Requirements Units with Statitrac™ space pressurization control to the fitting indicated in the illustration. 1. Open the filter access door, and locate the Statitrac 2. Route the opposite end of the tubing to a suitable Transducer Assembly illustrated in Figure 22, p.
  • Page 31 Installation General Requirements Figure 22. Transducer assembly Static reference tubing connects here (O/A sensor) Space pressure sensing tubing connects here Space pressure calibration solenoid Statitrac Tube from low side of velocity flow ring Tube from high side of velocity flow ring Traq Solenoid Transducer...

  • Page 32: Installation Electrical

    Installation Electrical WARNING An overall layout of the field required power wiring is illustrated in . To insure that the unit supply power wiring is Hazardous Voltage! properly sized and installed, follow the guidelines outlined Failure to disconnect power before servicing could below.
  • Page 33 Installation Electrical latest edition). Refer to DSS calculations “Electrical Note: When the factory installed through-the-base Wire Sizing and Protection Device Equations,” p. 34 option is not used, the installing contractor is determining correct size. required to seal any holes made in the base of the unit to prevent water from leaking into the Location for the electrical service entrance is shown building.

  • Page 34: Set 1. Cooling Only Rooftop Units And Cooling With Gas Heat Rooftop

    Installation Electrical Through-the-Base Electrical Select a fuse rating equal to the RDE value. If the RDE value does not equal a standard fuse size as listed in NEC (Optional Accessory) 240-6, select the next higher standard fuse rating. Liquid-tight conduit couplings are secured to the base of Note: If the selected RDE is greater than the selected MOP the unit for both power and control wiring.

  • Page 35: Low Voltage Wiring

    Installation Electrical Note: Keep in mind when determining LOADS that the WARNING compressors and condenser fans don’t run while the Proper Field Wiring and Grounding unit is in the heating mode. Required! The selection DSS value will be the larger of the cooling Failure to follow code could result in death or serious mode DSS or the heating mode DSS calculated above.

  • Page 36: Field Installed Dc Control Wiring

    Installation Electrical Table 11. AC conductors size • Do not run the electrical wires transporting DC signals in or around conduit housing high voltage wires. Distance from unit to control Recommended wire size Table 12. DC conductors 18 gauge 000-460 feet Distance from unit to control Recommended wire size 16 gauge...

  • Page 37: Supply Fan Failure

    Installation Electrical Supply Fan Failure circuit is opened for one continuous second during compressor operation, the compressor for that circuit is Supply Fan Failure is determined through the Danfoss VFD immediately turned OFF. The compressor will not be Broken-belt Detection parameter (parameter 22-60). When allowed to restart for a minimum of three minutes should this condition occurs, the Danfoss VFD will communicate the contacts close.

  • Page 38: Evaporator Frost Control

    Evaporator Frost Control High Temperature Sensor (FIAHTST001*) Frostat is standard on all Voyager 3 27.5 to 50 ton units. This sensor connects to the Symbio™ 700 Emergency Discharge Line Temp Switch Stop Input and provides high limit “shutdown” of the unit.

  • Page 39: Phase Monitor

    Installation Electrical dome temp) in case of indoor fan failure (cooling) or • The red light indicates that unit operation has been outdoor fan failure (heating). prevented. There are two conditions that will prevent unit operation: Phase Monitor – The power supply circuit is not balanced with the proper phase sequence of L1, L2, L3 for the three This sensor monitors the voltage between the three conductors of a three phase circuit.

  • Page 40: Installation Piping

    Installation Piping General Requirements 5. Install a pressure regulator at the unit that is adequate to maintain 7" w.c. for natural gas and 11" w.c. for LP WARNING gas while the unit is operating in the "High Heat" mode. Hazardous Gases and Flammable 6.
  • Page 41 Installation Piping Table 14. Sizing natural gas pipe mains and branches Gas Input (Cubic Feet/Hour) Gas Supply Pipe Run (ft) 1-1/4” Pipe 1-1/2” Pipe 2" Pipe 2-1/2” Pipe 3"Pipe 4"Pipe 1050 1600 3050 4800 8500 17500 1100 2100 3300 5900 12000 1650 2700...
  • Page 42 Installation Piping Figure 28. 600MBh 2-stage gas train Figure 30. 400MBh 2-stage gas train Figure 29. 600MBh Mod gas train Figure 31. 400MBh Mod gas train Figure 32. 800MBh 2-stage gas train RT-SVX089C-EN...
  • Page 43 Installation Piping Figure 33. 800MBh Mod gas train RT-SVX089C-EN...
  • Page 44 The Symbio™ Service and Installation mobile app is accessible through mobile devices (phones and tablets) via Bluetooth connectivity or via Trane Connect. The intuitive mobile app feels natural to technicians and operators. They will quickly be able to view equipment status and alarms, perform startup tasks, change configurations, test the equipment’s performance in specific modes, and much...

  • Page 45: Hot Gas Reheat

    Startup Hot Gas Reheat WARNING Safety Alert! WARNING Failure to follow instructions below could result in Live Electrical Components! death or serious injury. Failure to follow all electrical safety precautions when In addition to the following tasks, you MUST: exposed to live electrical components could result in death or serious injury.

  • Page 46: Starting The Unit

    Startup Electrical Phasing • Observe the ABC and CBA phase indicator lights on the face of the sequencer. The ABC indicator light will Unlike traditional reciprocating compressors, scroll glow if the phase is ABC. If the CBA indicator light compressors are phase sensitive. Proper phasing of the glows, open the disconnect switch or circuit protection electrical supply to the unit is critical for proper operation switch and reverse any two power wires.
  • Page 47 Startup WARNING Upon powering the unit, the Symbio™ 700 performs self diagnostic checks to ensure all internal controls are Live Electrical Components! functional. When the user interface is ready or the mobile Failure to follow all electrical safety precautions when app is connected to the Symbio 700 controls, use the exposed to live electrical components could result in following test procedure to start the unit at the control...
  • Page 48 Startup RT-SVX089C-EN...
  • Page 49 Startup RT-SVX089C-EN...
  • Page 50 Startup Verifying Proper Fan Rotation Confirm that brown, orange, and yellow wire are on L1, L2, L3 for the supply fan power harnesses. Make necessary WARNING interchange if they are not. Rotating Components! Note: Interchanging “Load” side power wires at the supply fan contactor will only affect the Fan Rotation.
  • Page 51 Catalog curves represent fan data corrected to the following standard conditions: 70°F dry bulb temperature, 1022.94 10.00 0.65 0.67 barometric pressure of 14.696 psia, and an air density of 0.075 lb/ft3. Utilize Trane Select Assist™ to generate fan 0.94 1.22 25.0 25.0 25.0...
  • Page 52 Catalog curves represent fan data corrected to the following standard conditions: 70°F dry bulb temperature, 0.74 0.69 1.12 1.30 barometric pressure of 14.696 psia, and an air density of 0.075 lb/ft3. Utilize Trane Select Assist™ to generate fan 1362.19 10.00 curves for unit-specific operating temperatures and elevations. 0.74 0.69...
  • Page 53 Startup Table 17. Supply air fan drive selections — 60 Hz 7.5 HP 10 HP 15 HP 20 HP 25 HP Nominal Tons Drive No. Drive No. Drive No. Drive No. Drive No. 27.5 RT-SVX089C-EN...
  • Page 54 Startup Table 18. Component static pressure drops (in. W.G.) — 60Hz Heating System Filters Standard High Efficiency ID Efficiency ID Throw- MERV 14 Hot Gas MERV 8 High Eff Gas Heat Electric Heat Nom. CFM Std Coil Coil Econo- away High Eff Reheat Tons...
  • Page 55 Startup Table 19. Component static pressure drops in. W.G (I-P) — 50Hz (continued) Heating System Filters Standard High Efficiency ID Efficiency ID Throw- MERV 14 Hot Gas MERV 8 High Eff Gas Heat Electric Heat Nom. CFM Std Coil Coil Econo- away High Eff...

  • Page 56: Exhaust Fan Operation

    Startup Table 20. Supply air fan drive selections—50 Hz (continued) 7.5 HP (5.6 kW) 10 HP (7.5 kW) 15 HP (10 kW) 20 HP (15 kW) Nominal Tons (kW) Drive No. Drive No. Drive No. Drive No. 33 (108) 42 (146) Exhaust Fan Operation damper blades.
  • Page 57 Startup Table 21. Power exhaust fan performance—27.5-35 ton—60 Hz Power Exhaust Selection 100% Damper Open Position Return Duct Static (in. 3812 6866 7624 13742 3497 5296 6995 10591 3190 4458 6325 9000 2884 3812 5768 7635 2621 3359 5241 6719 2342 2885 4683...
  • Page 58 Startup Table 23. Power exhaust fan performance—22.9-29.2 tons—50 Hz (continued) Power Exhaust Selection 100% Damper Open Position Return Duct Static (Pa) 99.6 1031 1321 2061 2643 124.5 1135 1842 2270 Table 24. Power exhaust fan performance—33.3-41.7 tons—50 Hz Power Exhaust Selection 100% Damper Open Position Return Duct Static (Pa)

  • Page 59: Economizer Damper Adjustment

    Startup Figure 41. (Upflow) Exhaust maximum damper pressures and over pressurization of the space when the position unit is operating in the “economizer” mode. The purpose of adjusting the amount of O/A damper travel is to maintain a balance or equal pressure between the O/A dampers and the pressure drop of the return air More Exhaust system.
  • Page 60 Startup Table 25. 27.5 - 35 Ton downflow economizer (O/A) damper static pressure setup (continued) Return Air Duct Static + Return Air Damper Static (Inches of Water) System Design CFM Drive Rod Position 12000 12500 13000 13500 14000 14500 15000 Table 26.
  • Page 61 Startup Table 27. 40 - 50 Ton downflow economizer (O/A) damper static pressure setup (continued) Return Air Duct Static + Return Air Damper Static (Inches of Water) System Design CFM Drive Rod Position 15000 15500 16000 16500 17000 17500 18000 18500 19000 19500...
  • Page 62 Startup Table 28. 40 - 50 Ton horizontal economizer (O/A) damper static pressure setup (continued) Return Air Duct Static + Return Air Damper Static (Inches of Water) System Design CFM Drive Rod Position 21000 21500 22000 Models with Ultra-Low Leak Economizers Figure 44.
  • Page 63 Startup Figure 46. Actuator for OA damper - horizontal Figure 47. Actuator auto-scaling feature details Control Reversing Switch Must Be Set to Match Spring Return Direction Table 29. 27.5 - 35 Ton downflow economizer (O/A) - ultra-low leak economizer Return Air Duct Static + Return Air Damper Static (Inches of Water) System Design CFM Stroke limit setting % on OA damper actuator...
  • Page 64 Startup Table 30. 27.5 - 35 Ton horizontal economizer (O/A) - ultra-low-leak economizer (continued) Return Air Duct Static + Return Air Damper Static (Inches of Water) System Design CFM Stroke limit setting % on OA damper actuator 9500 10000 11000 11500 12000 12500...
  • Page 65 Startup Table 32. 40 - 50 Ton horizontal economizer (O/A) - ultra-low-leak economizer Return Air Duct Static + Return Air Damper Static (Inches of Water) System Design CFM Stroke limit setting % on OA damper actuator 12000 12500 13000 13500 14000 14500 15000...

  • Page 66: Starting The Compressor

    Startup Manual Outside Air Damper HTB1 OR UNIT DISCONNECT SWITCH. 3. Remove the mist eliminator retainer bracket and the Units ordered with the 25% manual outside air option have mist eliminators from the fresh air hood. two slidable dampers. By adjusting one or both, the desired amount of fresh air entering the system can be obtained.

  • Page 67: Compressor Oil

    Startup Starting 27.5-50 Tons Standard and High Figure 49. Line weight location TE, YC, TC*480 Efficiency Units Install a set of service gauges onto the suction and discharge service ports of the circuit. On the Symbio™ 700 user interface, enter service test mode in the desired cooling steps, cool 1 to cool 5.
  • Page 68 Startup Figure 50. 22.9 Ton operating pressure — standard efficiency (50Hz) COOLING CYCLE PRESSURE CURVE 115 ºF OD Ambient 105 ºF OD Ambient 95 ºF OD Ambient 85 ºF OD Ambient 75 ºF OD Ambient 55 ºF OD Ambient 65 ºF OD Ambient Suction Pressure (Psig) RT-SVX089C-EN...
  • Page 69 Startup Figure 51. 24.5 Ton operating pressure — standard efficiency (50 Hz) COOLING CYCLE PRESSURE CURVE 115 ºF OD Ambient 105 ºF OD Ambient 95 ºF OD Ambient 85 ºF OD Ambient 75 ºF OD Ambient 55 ºF OD Ambient 65 ºF OD Ambient Suction Pressure (Psig) RT-SVX089C-EN...
  • Page 70 Startup Figure 52. 22.9 Ton operating pressure — high efficiency (50 Hz) COOLING CYCLE PRESSURE CURVE 115 ºF OD Ambient 105 ºF OD Ambient 95 ºF OD Ambient 85 ºF OD Ambient 75 ºF OD Ambient 65 ºF OD Ambient 55 ºF OD Ambient Suction Pressure (Psig) RT-SVX089C-EN...
  • Page 71 Startup Figure 53. 24.5 Ton operating pressure — high efficiency (50 Hz) COOLING CYCLE PRESSURE CURVE 115 ºF OD Ambient 105 ºF OD Ambient 95 ºF OD Ambient 85 ºF OD Ambient 75 ºF OD Ambient 65 ºF OD Ambient 55 ºF OD Ambient Suction Pressure (Psig) Figure 54.
  • Page 72 Startup Figure 55. 29.2 Ton operating pressure —high efficiency (50Hz) COOLING CYCLE PRESSURE CURVE 115 ºF OD Ambient 105 ºF OD Ambient 95 ºF OD Ambient 85 ºF OD Ambient 75 ºF OD Ambient 65 ºF OD Ambient 55 ºF OD Ambient Suction Pressure (Psig) Figure 56.
  • Page 73 Startup Figure 57. 41.7 Ton operating pressure —standard and high efficiency (50Hz) COOLING CYCLE PRESSURE CURVE 115 F OD Ambient 105 F OD Ambient 95 F OD Ambient 85 F OD Ambient 55 F OD Ambient 75 F OD Ambient 65 F OD Ambient Suction Pressure (Psig) Figure 58.
  • Page 74 Startup Figure 59. 27.5 Ton operating pressure — high efficiency (60 Hz) COOLING CYCLE PRESSURE CURVE 115 ºF OD Ambient 105 ºF OD Ambient 95 ºF OD Ambient 85 ºF OD Ambient 75 ºF OD Ambient 65 ºF OD Ambient 55 ºF OD Ambient Suction Pressure (Psig) RT-SVX089C-EN...
  • Page 75 Startup Figure 60. 30 Ton operating pressure — standard efficiency (60 Hz) COOLING CYCLE PRESSURE CURVE 115 ºF OD Ambient 105 ºF OD Ambient 95 ºF OD Ambient 85 ºF OD Ambient 75 ºF OD Ambient 55 ºF OD Ambient 65 ºF OD Ambient Suction Pressure (Psig) Figure 61.
  • Page 76 Startup Figure 62. 35 Ton operating pressure — standard efficiency (60 Hz) COOLING CYCLE PRESSURE CURVE 115 ºF OD Ambient 105 ºF OD Ambient 95 ºF OD Ambient 85 ºF OD Ambient 75 ºF OD Ambient 55 ºF OD Ambient 65 ºF OD Ambient Suction Pressure (Psig) Figure 63.
  • Page 77 Startup Figure 64. 40 Ton operating pressure — standard and high efficiency (60 Hz) COOLING CYCLE PRESSURE CURVE 115 F OD Ambient 105 F OD Ambient 95 F OD Ambient 65 F OD Ambient 85 F OD Ambient 55 F OD Ambient 75 F OD Ambient Suction Pressure (Psig) Figure 65.

  • Page 78: Gas Heat Units

    Follow the Service Test instructions in the Symbio 700 If present during a compressor start, liquid refrigerant could Controller with Voyager 3 Packaged Rooftop Air damage compressor bearings due to reduced lubrication Conditioners literature (BAS-SVU054*-EN) to put the unit and eventually could cause compressor mechanical into active gas heat step.

  • Page 79: Hot Surface

    Startup Once the ignition system and ignitors have been checked, Note: When firing a modulating unit for the first time, a open the main power disconnect switch to reset the “humming”, or resonance sound may be heard. This Symbio™ 700 controls. is an operational sound made by the burner screen as it burns in.
  • Page 80 Startup The Symbio™ 700 controls have input setpoint inside the – DA Cool - Fan SPD - _____Setpoint controller that are set at the factory which will allow the unit – EXH Fan - _____Setpoint to operate and maintain system control. For specific job •...

  • Page 81: Sequence Of Operation

    Sequence of Operation See Symbio™ 700 Controller with Voyager 3 Packaged Rooftop Air-Conditioners Application Guide (BAS- APG048*-EN). RT-SVX089C-EN...

  • Page 82: Maintenance

    For variable frequency drives or other energy storing components provided by Trane or others, refer to the appropriate manufacturer’s literature for allowable waiting periods for discharge of capacitors. Verify with a CAT III or IV voltmeter rated per NFPA 70E that all capacitors have discharged.
  • Page 83 Maintenance Table 35. Belt tension measurements and deflection forces Deflection Force (Lbs.) Belts Small P.D 358 Gripnotch Cross Super Gripbelts Gripnotch Steel Cable Gripbelts 358 Gripbelts Range Belts Section Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. 3.0 -3.6 4 1/2 3 7/8 5 1/2...
  • Page 84 Maintenance Table 36. Supply fan sheave and belt (continued) Fan Bushing Motor Bushing Fan Sheave (a) (b) (c) Motor Sheave Tons Motor Belt Brown- Brown- Browning Browning BX95 2B5V124 2B124SK B 1 11/16 SK 1 11/16 2BK36H 2BK36H H 1-3/8 H-1-3/8 Notched BX95...

  • Page 85: Monthly Maintenance

    Have a qualified or licensed service Trane or others, refer to the appropriate individual who has been properly trained in manufacturer’s literature for allowable waiting periods handling exposed rotating components, perform for discharge of capacitors.

  • Page 86: Heating Season

    Maintenance ☐ Make sure that all retaining screws are reinstalled in the ☐ After greasing the bearings, check the setscrews to unit access panels once these checks are complete. ensure that the shaft is held securely. Make sure that all bearing braces are tight.
  • Page 87 Maintenance • Fan brake horsepower condenser coil applications, seek pressure coil wand extension through the local Trane Parts Center. • Static pressure losses 3. When cleaning fin and tube evaporator or reheat coils, At least once each year—or more often if the unit is located mix the detergent with water according to the in a “dirty”...

  • Page 88: Fall Restraint

    Maintenance Table 39. Sample maintenance log (continued) Refrigerant Circuit #1 Current Date Ambient Temp Suct. Press. Disch. Press Liquid Press Compr. Oil Super- heat F/ Sub-cool F/C Psig/kPa Psig/kPa Psig/kPa Level - ok - low - ok - low - ok - low - ok - low...

  • Page 89: Refrigeration System

    Maintenance Refrigeration System Important: Do Not release refrigerant to the atmosphere! If adding or removing refrigerant is required, the WARNING service technician must comply with all federal, state, and local laws. Risk of Fire — Flammable Refrigerant! • To prevent cross contamination of Failure to follow instructions below could result in refrigerants and oils, use only dedicated R- death or serious injury, and equipment damage.

  • Page 90: Compressor Replacements

    Maintenance Note: Refrigerant oil is detrimental to some roofing Figure 68. Precision suction restrictor materials. Care must be taken to protect the roof from oil leaks or spills. Charge the new oil into the Schrader valve on the shell of the compressor.
  • Page 91 Notes: Should replacing the VFD become necessary, the • Item 3 resets the drive to the default replacement is not configured with all of Trane's operating factory settings. The program parameters. The VFD must be programmed before parameters listed in Table 41, p.
  • Page 92 Maintenance Table 41. Relief/return fan VFD parameters Menu Name Unit Language English US 0-01 Regional Settings 0-03 North America Set to applicable unit power supply 200-240V/60Hz for 200 & 230V/60Hz units; 440-480V/60Hz for 460V/60Hz units; 525-600V/60Hz for 575V/60Hz units; 380-440V/50Hz for 380 & 0-06 (TR150 only) Grid Type 415V/50Hz supply.For IT Grid (no...
  • Page 93 Maintenance Table 41. Relief/return fan VFD parameters (continued) Menu Name Unit Terminal 53 Low Ref./Feedb. 6-14 Value Analog In/Out Terminal 53 High Ref./Feedb. 6-15 Value 8.0 kHz (drive dependant, set to Switching Frequency 14-01 5kHz if 8kHz not available) 391V for 460V 60Hz unit, leave at 14-11 (TR200 only) Mains Voltage at Mains Fault default otherwise...

  • Page 94: Diagnostics

    Diagnostics For diagnostic information, see Symbio™ 700 Controller Application Guide (BAS-APG048*-EN). with Voyager 3 Packaged Rooftop Air-Conditioners RT-SVX089C-EN...

  • Page 95: Troubleshooting

    Recommended Action 1. No power to the Unit. 1. Check line voltage at service disconnect. 2. See Symbio™ 700 Controller with Voyager 3 Packaged 2. No power to the Symbio™ 700. Rooftop Air Conditioners (BAS-APG048*-EN) for Symbio 700 troubleshooting details.
  • Page 96 3. ODF 20 or 34 relay has failed. and 34 have a 24 VAC holding Coil. If voltage is present, replace relay. 4. See Symbio™ 700 Controller with Voyager 3 Packaged 4. Symbio™ 700 or Adapter Board is defective. Rooftop Air Conditioners (BAS-APG048*-EN) for Symbio 700 troubleshooting details.
  • Page 97 4. Check element and circuit integrity. Repair or replace as 4. Heater Element(s) has failed. necessary. Replace open elements. See Symbio™ 700 Controller with Voyager 3 Packaged 5. Symbio™ 700 control system is defective. Rooftop Air Conditioners (BAS-APG048*-EN) for Symbio 700 troubleshooting details.
  • Page 98 S. Power Exhaust will not operate. necessary 3. Perform the ECA Test Procedures discussed previously. 3. ECA has failed. 1. See Symbio™ 700 Controller with Voyager 3 Packaged 1. Symbio™ 700 has Failed Rooftop Air Conditioners (BAS-APG048*-EN) for Symbio T. VFD will not operate properly 700 troubleshooting details.

  • Page 99: Unit Wiring Diagram Numbers

    Unit Wiring Diagram Numbers Schematic Type Voltage Diagram Number Description POWER - THREE COMPRESSORS (eSTAGE), 3/4 Sheet 1; Power 12134517 CONDENSER FANS POWER - SUPPLY/EXHAUST | W/O SUPPLY FAN BYPASS 12134896 Sheet 2; Power POWER, SUPPLY/EXHAUST | W/ SUPPLY FAN BYPASS 12134897 Sheet 3;...

  • Page 100: Warranty And Liability Clause

    In no event shall the Company be liable for PRODUCTS COVERED - This warranty* is extended by any incidental or consequential damages. Trane Inc. and applies only to commercial equipment rated THE WARRANTY AND LIABILITY SET FORTH HEREIN 20 Tons and larger and related accessories.
  • Page 101 Notes RT-SVX089C-EN...
  • Page 102 Notes RT-SVX089C-EN...
  • Page 103 Notes RT-SVX089C-EN...
  • Page 104 For more information, please visit trane.com or tranetechnologies.com. Trane has a policy of continuous product and product data improvements and reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.

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