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

Trane Voyager Commercial Installation, Operation And Maintenance Manual

Packaged rooftop air conditioners with reliatel controls and estage 27.5 to 50 tons - 60 hz, 22.9 to 41.7 tons 81-148 kw - 50 hz
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Installation, Operation, and Maintenance
Voyager™ ™ Commercial
Packaged Rooftop Air Conditioners with
ReliaTel™ Controls and eStage™
27.5 to 50 Tons - 60 Hz
22.9 to 41.7 Tons (81-148 kW) - 50 Hz
"B" and later design
sequence
6 6 0 0 H H z z / / 3 3 p p h h a a s s e e : TC*, TE*,
YC*330B, 360B, 420B, 480B,
600B (60 Hz/3 phase)
5 5 0 0 H H z z / / 3 3 p p h h a a s s e e : TC*, TE*,
YC*275B, 305B, 350B, 400B,
500B
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.
September 2020
S S A A F F E E T T Y Y W W A A R R N N I I N N G G
R R T T - - S S V V X X 3 3 4 4 R R - - E E N N

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  • Page 1 Installation, Operation, and Maintenance Voyager™ ™ Commercial Packaged Rooftop Air Conditioners with ReliaTel™ Controls and eStage™ 27.5 to 50 Tons - 60 Hz 22.9 to 41.7 Tons (81-148 kW) - 50 Hz “B” and later design sequence 6 6 0 0 H H z z / / 3 3 p p h h a a s s e e : TC*, TE*, YC*330B, 360B, 420B, 480B, 600B (60 Hz/3 phase) 5 5 0 0 H H z z / / 3 3 p p h h a a s s e e : TC*, TE*,...
  • Page 2 A A L L W W A A Y Y S S r r e e f f e e r r t t o o a a p p p p r r o o p p r r i i a a t t e e S S a a f f e e t t y y D D a a t t a a impact to the environment. Trane advocates the...
  • Page 3 . . This document and the information in it are the property of Trane, and may not be used or reproduced • •...

  • Page 4: Table Of Contents

    Table of Contents Model Number Description ....8 Electrical Wire Sizing and Protection Device Equations ......31 60 Hz Description .
  • Page 5 Interface (Optional)....44 Night Setback Panel or ICS - WCI - Trane Air-Fi™ Wireless Comm Unoccupied Cooling....57 Interface (Optional).
  • Page 6 T T a a b b l l e e o o f f C C o o n n t t e e n n t t s s Power Exhaust Control Final Unit Checkout ..... 106 (Tracking) .
  • Page 7 T T a a b b l l e e o o f f C C o o n n t t e e n n t t s s Modulating Heat Operation with System Status / Diagnostics Checkout SZVAV Heating ..... 113 Procedure (DC Voltmeter Unoccupied Cooling and Heating Required) .

  • Page 8: 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 A = First A = No Outside Air TE = DX Cooling, Electric Heat B = 0-25% Manual Damper YC = DX Cooling, Natural Gas Heat C = 0-100% Economizer, Dry Bulb Control...
  • Page 9 E = Field-Powered 15A GFI Convenience Outlet Digit 33 — Human Interface Digit 22 5 = Touchscreen Human Interface, 5inch F = Trane Communication Interface (TCI) Model Number Notes Digit 23 Notes: G = Ventilation Override All voltages are across the line starting only.

  • Page 10: 50 Hz Description

    M M o o d d e e l l N N u u m m b b e e r r D D e e s s c c r r i i p p t t i i o o n n 50 Hz Description Digit 1, 2 —...
  • Page 11 Digit 22 The service digit for each model number contains 33 digits; all 33 digits must be F = Trane Communication Interface (TCI) referenced. Ventilation override exhaust mode is not Digit 23 available for the exhaust fan with fresh air tracking power exhaust.

  • Page 12: General Information

    General Information About the Unit W W A A R R N N I I N N G G N N o o S S t t e e p p S S u u r r f f a a c c e e ! ! Overall unit dimensional data is illustrated in “Unit Dimensions and Weights,”...

  • Page 13: Unit Dimensions And Weights

    Trane curbs include flanges around the openings to accommodate duct attachment.

  • Page 14: Unit Dimensions

    U U n n i i t t D D i i m m e e n n s s i i o o n n s s a a n n d d W W e e i i g g h h t t s s Unit Dimensions Figure 1.
  • Page 15 U U n n i i t t D D i i m m e e n n s s i i o o n n s s a a n n d d W W e e i i g g h h t t s s Figure 3.
  • Page 16 U U n n i i t t D D i i m m e e n n s s i i o o n n s s a a n n d d W W e e i i g g h h t t s s Figure 5.
  • Page 17 U U n n i i t t D D i i m m e e n n s s i i o o n n s s a a n n d d W W e e i i g g h h t t s s Figure 7.
  • Page 18 U U n n i i t t D D i i m m e e n n s s i i o o n n s s a a n n d d W W e e i i g g h h t t s s Figure 9.

  • Page 19: Unit Rigging And Placement

    U U n n i i t t D D i i m m e e n n s s i i o o n n s s a a n n d d W W e e i i g g h h t t s s Figure 12.
  • Page 20 2189.5 Note: Weights shown represent approximate operating weights and have a ±10% accuracy. To calculate weight for a specific unit configuration, utilize TOPSS™ or contact the local Trane® sales representative. ACTUAL WEIGHTS ARE STAMPED ON THE UNIT NAMEPLATE. Table 5. Point loading average weight— lbs./kg...
  • Page 21 U U n n i i t t D D i i m m e e n n s s i i o o n n s s a a n n d d W W e e i i g g h h t t s s Table 6.

  • Page 22: Pre-Installation

    N N E E C C a a n n d d y y o o u u r r l l o o c c a a l l / / Trane. The roof curb kit must be field assembled s s t t a a t t e e / / n n a a t t i i o o n n a a l l e e l l e e c c t t r r i i c c a a l l c c o o d d e e s s .

  • Page 23: Installation General Requirements

    Installation General Requirements Condensate Drain Connection Figure 16. 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. 13 for the location of the connector. A condensate trap must be installed due to the drain connection being on the “negative pressure”...

  • Page 24: Units With Statitrac

    I I n n s s t t a a l l l l a a t t i i o o n n G G e e n n e e r r a a l l R R e e q q u u i i r r e e m m e e n n t t s s Units with Statitrac™...
  • Page 25 I I n n s s t t a a l l l l a a t t i i o o n n G G e e n n e e r r a a l l R R e e q q u u i i r r e e m m e e n n t t s s Figure 18.

  • Page 26: Installation Electrical

    Installation Electrical W W A A R R N N I I N N G G Figure 19. Disconnect switch H H a a z z a a r r d d o o u u s s V V o o l l t t a a g g e e ! ! F F a a i i l l u u r r e e t t o o d d i i s s c c o o n n n n e e c c t t p p o o w w e e r r b b e e f f o o r r e e s s e e r r v v i i c c i i n n g g c c o o u u l l d d r r e e s s u u l l t t i i n n d d e e a a t t h h o o r r s s e e r r i i o o u u s s i i n n j j u u r r y y .
  • Page 27 I I n n s s t t a a l l l l a a t t i i o o n n E E l l e e c c t t r r i i c c a a l l •...

  • Page 28: Through-The-Base Electrical

    I I n n s s t t a a l l l l a a t t i i o o n n E E l l e e c c t t r r i i c c a a l l Through-the-Base Electrical N N o o t t e e : : If the unit is set on the roof curb and temporary auxiliary heat is provided in the building, it is...
  • Page 29 I I n n s s t t a a l l l l a a t t i i o o n n E E l l e e c c t t r r i i c c a a l l Table 8.
  • Page 30 I I n n s s t t a a l l l l a a t t i i o o n n E E l l e e c c t t r r i i c c a a l l Table 11.

  • Page 31: Electrical Wire Sizing And Protection

    I I n n s s t t a a l l l l a a t t i i o o n n E E l l e e c c t t r r i i c c a a l l Table 13.

  • Page 32: Disconnect Switch Sizing (Dss)

    I I n n s s t t a a l l l l a a t t i i o o n n E E l l e e c c t t r r i i c c a a l l Control Power Transformer •...

  • Page 33: Field Installed Dc Control Wiring

    . . 20 gauge 151-240 feet 18 gauge 241-385 feet 16 gauge 386-610 feet 14 gauge 611-970 feet Units equipped with the Trane Communication Interface (TCI) option, which utilizes a serial communication link; RT-SVX34R-EN...
  • Page 34 I I n n s s t t a a l l l l a a t t i i o o n n E E l l e e c c t t r r i i c c a a l l •...
  • Page 35 I I n n s s t t a a l l l l a a t t i i o o n n E E l l e e c c t t r r i i c c a a l l Figure 22.

  • Page 36: Remote Panels And Sensors

    I I n n s s t t a a l l l l a a t t i i o o n n E E l l e e c c t t r r i i c c a a l l Zone Panel (BAYSENS108*) Figure 23.

  • Page 37: Vav Controls Available From The Factory For Field Installation

    Remote Zone Sensor (BAYSENS016*) capability and timed override with override This bullet type temperature sensor can be used for; cancellation. It is used with a Trane Integrated outside air (ambient) sensing, return air temperature Comfort™ building management system. sensing, supply air temperature sensing, remote temperature sensing (uncovered), and for VAV zone reset.
  • Page 38 I I n n s s t t a a l l l l a a t t i i o o n n E E l l e e c c t t r r i i c c a a l l Figure 30.

  • Page 39: Space Temperature Averaging

    I I n n s s t t a a l l l l a a t t i i o o n n E E l l e e c c t t r r i i c c a a l l Figure 33.

  • Page 40: Installation Piping

    Installation Piping General Requirements N N O O T T I I C C E E G G a a s s V V a a l l v v e e D D a a m m a a g g e e ! ! W W A A R R N N I I N N G G F F a a i i l l u u r r e e t t o o f f o o l l l l o o w w i i n n s s t t r r u u c c t t i i o o n n s s b b e e l l o o w w c c o o u u l l d d r r e e s s u u l l t t i i n n H H a a z z a a r r d d o o u u s s G G a a s s e e s s a a n n d d F F l l a a m m m m a a b b l l e e...
  • Page 41 I I n n s s t t a a l l l l a a t t i i o o n n P P i i p p i i n n g g Table 19. Specific gravity multiplier Table 19.

  • Page 42: Startup

    Startup Unit Control Modules RTAM - ReliaTel Air Handler Module (Standard with Traditional VAV) RTRM - ReliaTel™ ™ Refrigeration Module The RTAM receives information from the supply duct The RTRM is the main information receiving module. It static pressure transducer. Attached to the module are interprets the information received from all other unit the supply air heating potentiometer, supply air cooling modules, sensors, remote panels, customer binary...

  • Page 43: Reliatel Ventilation Module

    S S t t a a r r t t u u p p ReliaTel Ventilation Module (RTVM) and the supply air pressure control remains active to satisfy the zone settings. Figure 38. RTVM module For constant volume (CV) units with modulating gas heat using a conventional thermostat or for Single SPC PRESS DB SPC PRESS...

  • Page 44: Reliatel Dehumidification Module

    BACnet building management type control system. It allows the control and monitoring of the system through a Trane Tracer SC panel or 3rd party BACnet system. The module can be ordered from the factory or ordered as a kit to be field installed. Follow the installations instructions that ship with each kit when field installation is necessary.

  • Page 45: Microelectronic Control

    S S t t a a r r t t u u p p The supply fan is activated from the G terminal and will On Constant Volume and Single Zone VAV cycle with a call for heat or cooling if in the “Auto” applications, a 3 minute delay allows the RTRM to mode.

  • Page 46: Modulating Power Exhaust

    S S t t a a r r t t u u p p Modulating Power Exhaust Because of the spread between the heating and cooling setpoints, the control will choose to control the If the unit is equipped with the modulating power economizer at an offset temperature of 1.5°F below the exhaust option, the power exhaust actuator will follow cooling setpoint.

  • Page 47: Zone Temperature - Occupied Cooling (Cv And Szvav)

    S S t t a a r r t t u u p p Table 24. Compressor staging sequence - high For SZ VAV, the fan capacity will also be controlled in efficiency units and std eff. 40–50T CV units) order to meet the zone heating demand.

  • Page 48: Variable Air Volume Applications

    S S t t a a r r t t u u p p conditions must be met as described above for temperature between the minimum and maximum entering and leaving Tempering operation. supply air setpoints. If the Zone Temperature rises above the ZCSP during CV Units with Modulating Heat “Tempering”...

  • Page 49: Supply Fan Mode Operation

    S S t t a a r r t t u u p p Table 26. Fan output - high efficiency (continued) via the existing RTRM customer connections for a zone sensor panel and the DA Heat and Cool setpoints will Minimum Fan Output % Function be customer selectable via two onboard...

  • Page 50: Units Configured With The Outside Air Measurement (Traq) Option

    S S t t a a r r t t u u p p Table 28. DA heat setpoint (continued) Table 28. DA heat setpoint (continued) Voltage (Vdc) Setpoint (ºF) Voltage (Vdc) Setpoint (ºF) 0.31 0.35 2.01 0.42 2.03 0.46 2.05 2.06 0.53...

  • Page 51: Calibration

    S S t t a a r r t t u u p p applied linearly across the sensing range of the airflow Table 29. Design minimum OA flow setpoint (continued) sensor which may produce inaccuracies at airflow levels not close to the value at which the calibration Design Min OA Flow DCV Min OA Flow Voltage...
  • Page 52 S S t t a a r r t t u u p p Table 29. Design minimum OA flow setpoint Table 29. Design minimum OA flow setpoint (continued) (continued) Design Min OA Flow DCV Min OA Flow Voltage Design Min OA Flow DCV Min OA Flow Voltage Setpoint (R130)

  • Page 53: Ventilation Control

    S S t t a a r r t t u u p p Table 30. OA flow adjustment setpoint (continued) • Design Min Position @ Full Fan Speed Command (RTEM Design Min Position) OA Flow Voltage Adjustment • DCV Min Position @ Minimum Fan Speed Reading (R136) Command (RTVM R41)
  • Page 54 S S t t a a r r t t u u p p Figure 41. SZVAV DCV with OA CFM Figure 42. Minimum outside air CFM setpoint compensation Design @ Minimum Fan Speed (RTVM R130) Posi on Setpoints Corresponds to Design CO2 (DCV UL) Setpoint Design @ Middle Fan Speed (RTVM R136)

  • Page 55: Space Pressure Control

    S S t t a a r r t t u u p p 1 (Fan ON) or Step 2 (Economizer Open) and make Figure 44. Space pressure control graph the proper adjustment. • To set the Design Minimum Position setpoint at Position Setpoints Middle Fan Speed, set the unit to operate at Step 3...

  • Page 56: Traq Overrides And Special

    S S t t a a r r t t u u p p Table 31. RTVM space pressure setpoint (continued) set the damper closed by setting the flow setpoint to 0 CFM. Voltage (Vdc) Setpoint (IWC) If Demand Controlled Ventilation is configured then the 2.25 0.24 lower limit of the Design Min OA Flow Setpoint will be...

  • Page 57: Variable Air Volume Applications

    S S t t a a r r t t u u p p Variable Air Volume Zone Temperature Control without a Night Setback Panel or ICS - Unoccupied Applications (Traditional VAV) Cooling Supply Air Temperature Control - When a field supplied occupied/unoccupied switching Occupied Cooling and Heating device is connected between RTRM J6-11 and RTRM J6-12, both the economizer and the mechanical cooling...

  • Page 58: Supply Duct Static Pressure

    S S t t a a r r t t u u p p If an Occupied “Heating” Mode is selected, the unit will If the outdoor air temperature falls 20°F below the reset only function within the DWU perimeters until the temperature setpoint, the amount of reset applied to system is switched from the “Heat”...

  • Page 59: Cooling (Cv Or Sz Vav Only)

    S S t t a a r r t t u u p p Zone Temperature - Unoccupied Cooling Two of the three methods for determining the suitability of the outside air can be selected utilizing the (CV or SZ VAV Only) potentiometer on the Economizer Actuator, as While a building is in an unoccupied period as described below:...

  • Page 60: Electric Heat Control

    S S t t a a r r t t u u p p heating is removed, the fan will remain on for If more than one mode is requested at the same time, approximately 90 seconds. the Pressurize request will have priority followed by Purge.

  • Page 61: Control

    S S t t a a r r t t u u p p Anytime this circuit is opened for 5 continuous calculated will be used as an offset to be added to the seconds, the compressor(s) in that circuit are turned off Active Building Design OA Minimum Position target to immediately.

  • Page 62: Power Exhaust Control

    S S t t a a r r t t u u p p Figure 47. Transducer voltage output vs. pressure Table 36. Capacity steps with lead/lag enabled - std input for building pressure Efficiency (continued) Step 1 Step 2 Step 3 Unit Size LEAD...

  • Page 63: Switch (Optional)

    S S t t a a r r t t u u p p Evaporator Temperature sensor (EET). If the EET drops Automation System (BAS) will be required. Cycling unit below 35°F for 10 continuous minutes compressors will power will also clear the fault. stage off.
  • Page 64 S S t t a a r r t t u u p p Table 38. Condenser fan/compressor sequence - std efficiency (continued) Compressor Staging Sequence Condenser Fan Output O/A Temp. (°F) Unit Size (Ton) Step 1 Step2 Step 3 Output A Output B Fans “Off”...
  • Page 65 S S t t a a r r t t u u p p Table 39. Condenser fan/compressor sequence - high efficiency 27.5-35 Ton High Efficiency Compressor Stage 1 Compressor Stage 2 Ambient Ambient # Cond # Cond Fan #1 Fan #2 Fan #3 Fan #1...

  • Page 66: Preparing The Unit For Operation

    S S t t a a r r t t u u p p Preparing the Unit for Operation W W A A R R N N I I N N G G H H a a z z a a r r d d o o u u s s V V o o l l t t a a g g e e ! ! Be sure to complete all of the procedures described in this section before starting the unit for the first time.

  • Page 67: Voltage Supply And Voltage

    S S t t a a r r t t u u p p Voltage Supply and Voltage Imbalance W W A A R R N N I I N N G G L L i i v v e e E E l l e e c c t t r r i i c c a a l l C C o o m m p p o o n n e e n n t t s s ! ! Supply Voltage F F a a i i l l u u r r e e t t o o f f o o l l l l o o w w a a l l l l e e l l e e c c t t r r i i c c a a l l s s a a f f e e t t y y p p r r e e c c a a u u t t i i o o n n s s Electrical power to the unit must meet stringent...

  • Page 68: Service Test Switch Location

    S S t t a a r r t t u u p p Service Test Switch Location this method allows the technician to cycle a component “on” and have up to one hour to complete the check. A toggle service switch is offered as a standard feature to provide hassle free startup option for the service Resistance Test Mode person in the field.
  • Page 69 S S t t a a r r t t u u p p Table 41. Test mode states for traditional VAV units with modulating hot gas reheat and staged heat COOL TEST COMP PUMP- COMP COMP HEAT HEAT VAL- HEAT STEP MODE...
  • Page 70 S S t t a a r r t t u u p p Table 42. Test mode states for CV units with modulating hot gas reheat and staged heat COOL TEST COMP COMP COMP HEAT HEAT VAL- HEAT STEP MODE ECON PUMPOUT...
  • Page 71 S S t t a a r r t t u u p p Table 43. Test mode states for SZ VAV units with modulating hot gas reheat and staged heat COOL TEST COMP PUMP- COMP COMP HEAT HEAT VAL- HEAT STEP MODE...
  • Page 72 S S t t a a r r t t u u p p Table 44. Test mode states for traditional VAV units with modulating hot gas reheat and modulating heat COOL TEST COMP HEAT PUMP- COMP COMP VAL- HEAT STEP MODE COMMAND...
  • Page 73 S S t t a a r r t t u u p p Table 45. Test mode states for CV units with modulating hot gas reheat and modulating heat TEST COMP COMP COMP HEAT PUMP- COOL HEAT STEP MODE ECON OUTPUT VALVE...

  • Page 74: Verifying Proper Fan Rotation

    S S t t a a r r t t u u p p Table 46. Test mode states for SZ VAV units with modulating hot gas reheat and modulating heat TEST COMP COMP COMP HEAT PUMP- COOL HEAT STEP MODE COMMAND ECON...

  • Page 75: Verifying Proper Air Flow (Cfm) - Cv

    S S t t a a r r t t u u p p Interchange any two of the field connected power wires amperage displayed on the VFD screen and at the unit terminal block or factory mounted compare it to the motor nameplate. disconnect switch.
  • Page 76 S S t t a a r r t t u u p p Figure 51. Supply fan performance curves 40 and 50 ton — 60Hz Figure 52. Supply fan performance — 22.9-29.2 tons — 50Hz Supply Fan Performance (996) (872) (747) (623)
  • Page 77 S S t t a a r r t t u u p p Figure 53. Supply fan performance — 33.3 and 41.7 ton (IP) — 50Hz (1245) (996) (747) (498) (249) (0.0) 2000 4000 6000 8000 10000 12000 14000 16000 18000 20000...
  • Page 78 S S t t a a r r t t u u p p Table 47. TC*/YC*300–600 MBH economizer (R/A) Table 47. TC*/YC*300–600 MBH economizer (R/A) damper pressure drop – 60Hz damper pressure drop – 60Hz (continued) Unit Capacity Airflow (CFM) Pressure Drop (iwc) Unit Capacity Airflow (CFM) Pressure Drop (iwc) 8000...
  • Page 79 S S t t a a r r t t u u p p Table 48. Supply air fan drive selections — 60 Hz 7.5 HP 10 HP 15 HP 20 HP Nominal Tons Drive No. Drive No. Drive No. Drive No.
  • Page 80 S S t t a a r r t t u u p p Table 49. Component static pressure drops (in. W.G.) — 60Hz Heating System Filters Standard High MERV Efficiency Efficiency Throw- Hot Gas MERV 8 High Eff Gas Heat Electric Heat 14 High Nom.
  • Page 81 S S t t a a r r t t u u p p Table 50. Component static pressure drops in. W.G (I-P) — 50Hz (continued) Heating System Filters Standard High MERV Efficiency Efficiency Throw- Hot Gas MERV 8 High Eff Gas Heat Electric Heat 14 High...
  • Page 82 S S t t a a r r t t u u p p Table 51. Component static pressure drops Pa (SI) — 50 Hz (continued) Heating System Standard Filters Nom. Std Efficiency ID Throw- MERV 14 L/s Std Econo- MERV 8 High Eff Gas Heat Electric Heat...

  • Page 83: Exhaust Fan Operation

    S S t t a a r r t t u u p p Exhaust Fan Operation occurs, the unit will revert back to fresh air tracking control. To start the optional power exhaust fans, use the • The proportional offset between the dampers is economizer test procedures in , p.

  • Page 84: Economizer Damper Adjustment

    S S t t a a r r t t u u p p Table 55. Power exhaust fan performance — 22.9 - Figure 55. (Horizontal) Exhaust damper actuator 29.2 Ton — 50 Hz adjustment Power Exhaust Selection 50% (min) 100% (max) Damper Blade Open Distance (mm) Return...
  • Page 85 S S t t a a r r t t u u p p duct static pressures and over pressurization of the Table 57. 27.5 - 35 Ton downflow economizer (O/A) damper static pressure setup (continued) space when the unit is operating in the “economizer” mode.

  • Page 86: Models With Ultra-Low Leak

    S S t t a a r r t t u u p p Table 59. 40 - 50 Ton downflow economizer (O/A) Table 60. 40 - 50 Ton horizontal economizer (O/A) damper static pressure setup damper static pressure setup (continued) Return Air Duct Static + Return Air Damper Return Air Duct Static + Return Air Damper Static (Inches of Water)
  • Page 87 S S t t a a r r t t u u p p switch is set back to its original default position - Y Figure 62. Actuator auto-scaling feature details = 0 - same direction as spring return. (See Figure 62, p.

  • Page 88: Manual Outside Air Damper

    S S t t a a r r t t u u p p Table 62. 27.5 - 35 Ton horizontal economizer (O/A) - Table 64. 40 - 50 Ton horizontal economizer (O/A) - ultra-low-leak economizer (continued) ultra-low-leak economizer Return Air Duct Static + Return Air Damper Return Air Duct Static + Return Air Damper Static (in WC) Static (in WC)

  • Page 89: Starting The Compressor

    S S t t a a r r t t u u p p W W A A R R N N I I N N G G consecutive times for a variable air volume application, to start the Minimum Ventilation Test. L L i i v v e e E E l l e e c c t t r r i i c c a a l l C C o o m m p p o o n n e e n n t t s s ! ! 6.

  • Page 90: Starting 40 To 50 Ton Standard Efficiency Vav Units

    S S t t a a r r t t u u p p I I m m p p o o r r t t a a n n t t : : The compressors are protected from 97, p. 104 to determine the proper operating pressures.

  • Page 91: Compressor Oil

    S S t t a a r r t t u u p p Figure 65. Line weight location TE, YC, TC*330, 360, Figure 69. Line weight locations TE, YC, TC*500 and and 420 standard efficiency with service valves 600 standard efficiency VAV with service valves 0.75±0.25 0.75±0.25 0.25±0.25...
  • Page 92 S S t t a a r r t t u u p p motor burnout. If the oil is black and contains metal Refer to the refrigeration system in the maintenance flakes, a mechanical failure has occurred. This section for details on testing and replacing oil. symptom is often accompanied by a high compressor amperage draw.
  • Page 93 S S t t a a r r t t u u p p Figure 74. 35 Ton operating pressure — standard efficiency (60 Hz) Figure 75. 40 Ton dual circuit operating pressure, Cir #1 — standard efficiency VAV (60 Hz) RT-SVX34R-EN...
  • Page 94 S S t t a a r r t t u u p p Figure 76. 40 Ton dual circuit operating pressure Cir #2 — standard efficiency VAV (60 Hz) Figure 77. 40 Ton operating pressure — standard efficiency CV (60 Hz) 120F OD Ambient 115F OD Ambient 105F OD Ambient...
  • Page 95 S S t t a a r r t t u u p p Figure 78. 50 Ton dual circuit operating pressure Cir #1 — standard efficiency VAV (60 Hz) Figure 79. 50 Ton dual circuit operating pressure Cir #2 — standard efficiency VAV (60 Hz) RT-SVX34R-EN...
  • Page 96 S S t t a a r r t t u u p p Figure 80. 27.5 Ton operating pressure — high efficiency (60 Hz) Figure 81. 30 Ton operating pressure — high efficiency (60 Hz) RT-SVX34R-EN...
  • Page 97 S S t t a a r r t t u u p p Figure 82. 35 Ton operating pressure — high efficiency (60 Hz) Figure 83. 40 Ton operating pressure — high efficiency (60 Hz) RT-SVX34R-EN...
  • Page 98 S S t t a a r r t t u u p p Figure 84. 50 Ton operating pressure — high efficiency and standard efficiency CV (60 Hz) Figure 85. 22.9 Ton operating pressure — standard efficiency (50 Hz) RT-SVX34R-EN...
  • Page 99 S S t t a a r r t t u u p p Figure 86. 25.4 Ton operating pressure — standard efficiency (50 Hz) Figure 87. 29.2 Ton operating pressures — standard efficiency (50 Hz) RT-SVX34R-EN...
  • Page 100 S S t t a a r r t t u u p p Figure 88. 33.3 Ton operating pressure — standard efficiency CV (50 Hz) 120F OD Ambient 115F OD Ambient 105F OD Ambient 95F OD Ambient 85F OD Ambient 75F OD Ambient 65F OD Ambient 55F OD Ambient...
  • Page 101 S S t t a a r r t t u u p p Figure 90. 33.3 Ton dual circuit operating pressure, circuit #2 — standard efficiency VAV (50 Hz) Figure 91. 41.7 Ton dual circuit operating pressure, circuit #1 — standard efficiency VAV (50 Hz) RT-SVX34R-EN...
  • Page 102 S S t t a a r r t t u u p p Figure 92. 41.7 Ton dual circuit operating pressure, circuit #2 — standard efficiency VAV (50 Hz) Figure 93. 22.9 Ton operating pressure — high efficiency (50 Hz) RT-SVX34R-EN...
  • Page 103 S S t t a a r r t t u u p p Figure 94. 25.4 Ton operating pressure — high efficiency (50 Hz) Figure 95. 29.2 Ton operating pressure — high efficiency (50 Hz) RT-SVX34R-EN...
  • Page 104 S S t t a a r r t t u u p p Figure 96. 33.3 Ton operating pressure — high efficiency (50 Hz) Figure 97. 41.7 Ton operating pressure — high efficiency and standard efficiency CV (50 Hz) RT-SVX34R-EN...

  • Page 105: Noises

    S S t t a a r r t t u u p p Scroll Compressor Operational Noises When the temperatures are outside of these ranges, measuring the operating pressures can be Because the scroll compressor is designed to meaningless. accommodate liquids (both oil and refrigerant) and With the unit operating at “Full Circuit Capacity”, solid particles without causing compressor damage,...

  • Page 106: Electric Heat Units

    S S t t a a r r t t u u p p bank is fired at full fire and the modulating bank again heater bank to fire and both banks will operate at high adjusts to the heating load present. fire.

  • Page 107: For Single Zone Variable Air Volume

    S S t t a a r r t t u u p p – Static pressure deadband - ________ Setpoint The RTOM has input setpoint potentiometers inside the control panel that are set at the factory which will allow –...

  • Page 108: Sequence Of Operation

    Sequence of Operation Mechanical Cooling Sequence Of Economizer Operation Based on Dry Bulb Operation Standard economizer dry bulb change over has five Time delays are built into the controls to increase field selectable temperatures 55, 63, 67, 70, 73°F. Refer reliability and performance by protecting the Table 34, p.

  • Page 109: Economizer Operation Based On Reference Enthalpy

    S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n • The modulating power exhaust actuator is a slave Figure 98.

  • Page 110: Modulating Hot Gas Reheat Sequence Of

    A Voyager Commercial Rooftop unit can contain one or reheat control. two refrigerant circuits. Units with hot gas reheat will have one circuit with an outdoor condenser coil located...

  • Page 111: Constant Volume (Cv) Unit Fan

    S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n attempt two retries and then lock out if flame is not 7ºF.

  • Page 112: Variable Air Volume (Vav)

    S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n Economizer Enabled at Cooling Start second before energizing the first stage electric heat contactor (AH).

  • Page 113: Occupied Heating Operation

    S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n As the zone cooling demand continues to increase, if the calculated discharge air heating setpoint in order to additional capacity is required, the supply fan output maintain the Zone Temperature to the Zone Heating...

  • Page 114: Modulating Hot Gas Reheat

    S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n Modulating Hot Gas Reheat Operation •...

  • Page 115: Low Pressure Control (Lpc) Sequence Of Operation (Reliatel Control)

    S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n Low Pressure Control (LPC) •...

  • Page 116: Maintenance

    Maintenance Fan Belt Adjustment 1. To determine the appropriate belt deflection: a. Measure the center-to-center distance, in The supply fan belts must be inspected periodically to inches, between the fan sheave and the motor assure proper unit operation. sheave. Replacement is necessary if the belts appear frayed or b.
  • Page 117 M M a a i i n n t t e e n n a a n n c c e e Table 66. Belt tension measurements and deflection forces Deflection Force (Lbs.) Steel Cable 358 Gripnotch Belts Super Gripbelts Gripnotch Gripbelts 358 Gripbelts...

  • Page 118: Monthly Maintenance

    M M a a i i n n t t e e n n a a n n c c e e Table 67. Supply fan sheave and belt (continued) Fan Bushing Motor Bushing Fan Sheave (a) (b) (c) Motor Sheave Brown- Brown- Brown-...

  • Page 119: Cooling Season

    M M a a i i n n t t e e n n a a n n c c e e Cooling Season ☐ Use a hand grease gun to lubricate these bearings; add grease until a light bead appears all around the W W A A R R N N I I N N G G seal.

  • Page 120: Coil Cleaning

    M M a a i i n n t t e e n n a a n n c c e e Before completing the following checks, turn the unit W W A A R R N N I I N N G G O O F F F F and lock the main power disconnect switch open.

  • Page 121: Refrigerant Coils

    For microchannel condenser For evaporator and reheat coil cleaners, contact the coils, optimum clearance between the sprayer local Trane Parts Center for appropriate detergents. nozzle and the microchannel coil is 1"-3”. 1. Remove enough panels from the unit to gain safe 6.
  • Page 122 M M a a i i n n t t e e n n a a n n c c e e RT-SVX34R-EN...

  • Page 123: Fall Restraint

    M M a a i i n n t t e e n n a a n n c c e e Fall Restraint W W A A R R N N I I N N G G R R e e f f r r i i g g e e r r a a n n t t u u n n d d e e r r H H i i g g h h P P r r e e s s s s u u r r e e ! ! W W A A R R N N I I N N G G F F a a i i l l u u r r e e t t o o f f o o l l l l o o w w i i n n s s t t r r u u c c t t i i o o n n s s b b e e l l o o w w c c o o u u l l d d r r e e s s u u l l t t i i n n F F a a l l l l i i n n g g O O f f f f E E q q u u i i p p m m e e n n t t ! !

  • Page 124: Charge Storage

    M M a a i i n n t t e e n n a a n n c c e e I I m m p p o o r r t t a a n n t t : : Do Not release refrigerant to the oil sump.

  • Page 125: Vfd Programming Parameters

    5. When the desired selection has been made, press OK . Should replacing the VFD become necessary, the replacement is not configured with all of Trane's Table 71. Compressor restrictor location operating parameters. The VFD must be programmed before attempting to operate the unit.
  • Page 126 M M a a i i n n t t e e n n a a n n c c e e g. Ensure parameter 14-22 Operation Mode has 4. Follow the start-up procedures for supply fan in the reverted back to “Normal Operation”. “Variable Air Volume System”...
  • Page 127 M M a a i i n n t t e e n n a a n n c c e e Table 72. Supply fan VFD programming 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 &...
  • Page 128 M M a a i i n n t t e e n n a a n n c c e e Table 72. Supply fan VFD programming parameters (continued) Menu Name Unit Terminal 53 Low Ref./Feedb. 6-14 Value Analog In/Out Terminal 53 High Ref./Feedb.

  • Page 129: Diagnostics

    Diagnostics The RTRM has the ability to provide the service mode, you may leave the system in that mode for personnel with some unit diagnostics and system up to one hour while troubleshooting. Refer to the status information. sequence of operations for each mode to assist in verifying proper operation.
  • Page 130 D D i i a a g g n n o o s s t t i i c c s s depending on the type of meter used. Some meters N N o o t t e e : : Since CV units may use a conventional may only pulse between 20 and 30 volts DC.

  • Page 131: Diagnostics (Vav Only)

    D D i i a a g g n n o o s s t t i i c c s s Diagnostics (VAV only) HEAT + COOL + SERVICE • Static Pressure High Duct Static Trip. The static If only one diagnostic is present, refer to that pressure has exceeded 3.5"...
  • Page 132 D D i i a a g g n n o o s s t t i i c c s s Smoke Detector Switch Table 74. Resistance values (continued) The LED will flash anytime that the N.O. Smoke Zone or Set Detector input is closed and will be reset anytime that Point Nominal ZTEMP...
  • Page 133 D D i i a a g g n n o o s s t t i i c c s s directions, LED is open. If low in both directions, Table 76. Constant volume and single zone VAV default operations LED is shorted.

  • Page 134: Procedures

    D D i i a a g g n n o o s s t t i i c c s s Economizer Actuator (ECA/ Diagnostic will be reset when the Mixed Air Temperature Low Limit is inactive. RTEM) Test Procedures Verify Economizer Status by Economizer Economizer Fault Detection and Actuator (ECA/RTEM)

  • Page 135: Reliatel Air Module (Rtam) Tests

    D D i i a a g g n n o o s s t t i i c c s s Replace the sensor if it is out of range. 1 on the RTAM. The voltage should be approximately 5 Vdc. If not, check the wiring 3.

  • Page 136: Reliatel Air Module (Rtom) Tests

    D D i i a a g g n n o o s s t t i i c c s s VFD “Start Command” is properly wired from the 4. If no “Fault Conditions” exist and the fan did not Fan relay, (24 volts on the Logic Input 2 (LI2) start, verify that the Fan relay is energized and the terminal).

  • Page 137: Troubleshooting

    D D i i a a g g n n o o s s t t i i c c s s Troubleshooting Table 79. Troubleshooting SYMPTOM PROBABLE CAUSE RECOMMENDED ACTION 1. No power to the Unit. 1. Check line voltage at service disconnect. 2.
  • Page 138 D D i i a a g g n n o o s s t t i i c c s s Table 79. Troubleshooting (continued) SYMPTOM PROBABLE CAUSE RECOMMENDED ACTION 1. Perform OAS Resistance/Temperature check. 1. OAS has failed. Replace if necessary.
  • Page 139 D D i i a a g g n n o o s s t t i i c c s s Table 79. Troubleshooting (continued) SYMPTOM PROBABLE CAUSE RECOMMENDED ACTION M. Low Heat Capacity Intermittent Heat. (YC’s only) CFM runs in LO or HI Check CFM, test LO and HI speed windings.
  • Page 140 D D i i a a g g n n o o s s t t i i c c s s Table 79. Troubleshooting (continued) SYMPTOM PROBABLE CAUSE RECOMMENDED ACTION 1. Check the return air sensor (RAS) at connector P10 by disconnecting P10 from RAT on the ECA.
  • Page 141 D D i i a a g g n n o o s s t t i i c c s s Table 80. Component failure mode (continued) COMPONENT FAILURE RESPONSE NORMAL RANGE DIAGNOSTIC If a sensor is used at RTRM J6-1 and J6-2, Cannot control at ZSM, unit Cool Failure Output at RTRM J6-8 to J6-6 HSP and CSP for CV or SZ VAV...

  • Page 142: Tr-200 Vfd Programming

    OK button. Should replacing the a VFD become necessary, the Motor Based on Set only for 200/230v replacement is not configured with all of Trane's Volt- Motor 60hz & 380/415 50hz 1-22 operating parameters. The VFD must be programmed...
  • Page 143 D D i i a a g g n n o o s s t t i i c c s s W W A A R R N N I I N N G G Use [▲] and [▼] buttons to adjust the digit Press [Cancel] button to disregard change, or H H a a z z a a r r d d o o u u s s V V o o l l t t a a g g e e w w / / C C a a p p a a c c i i t t o o r r s s ! ! press [OK] to accept change and enter the new...

  • Page 144: Unit Wiring Diagram Numbers

    Unit Wiring Diagram Numbers Table 82. Wiring diagrams - TC/TE units - standard efficiency (excluding 40–50T CV units) Diagram Type of Airflow Schematic Type Voltage Description Number All Units - Standard Efficiency Power 208-575 2313-1261 All Units - Cooling Only - Standard Efficiency 208-575 2313-1279 208-230...
  • Page 145 U U n n i i t t W W i i r r i i n n g g D D i i a a g g r r a a m m N N u u m m b b e e r r s s Table 82.
  • Page 146 U U n n i i t t W W i i r r i i n n g g D D i i a a g g r r a a m m N N u u m m b b e e r r s s Table 82.
  • Page 147 U U n n i i t t W W i i r r i i n n g g D D i i a a g g r r a a m m N N u u m m b b e e r r s s Table 83.
  • Page 148 U U n n i i t t W W i i r r i i n n g g D D i i a a g g r r a a m m N N u u m m b b e e r r s s Table 83.
  • Page 149 U U n n i i t t W W i i r r i i n n g g D D i i a a g g r r a a m m N N u u m m b b e e r r s s Table 84.
  • Page 150 U U n n i i t t W W i i r r i i n n g g D D i i a a g g r r a a m m N N u u m m b b e e r r s s Table 84.
  • Page 151 U U n n i i t t W W i i r r i i n n g g D D i i a a g g r r a a m m N N u u m m b b e e r r s s Table 85.

  • Page 152: Warranty And Liability Clause

    In no event shall the PRODUCTS COVERED - This warranty* is extended by Company be liable for any incidental or consequential Trane Inc. and applies only to commercial equipment damages. rated 20 Tons and larger and related accessories.
  • Page 153 N N o o t t e e s s RT-SVX34R-EN...
  • Page 154 N N o o t t e e s s RT-SVX34R-EN...
  • Page 155 N N o o t t e e s s RT-SVX34R-EN...
  • Page 156 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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