Table of Contents
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Installation, Operation, and Maintenance
Packaged Rooftop Air Conditioners
Voyager™ – Cooling, Gas/Electric
12.5 to 25 Tons, 60/50Hz
Model Number:
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.
April 2020
YS*150–300
YH*150-300
SAFETY WARNING
RT-SVX26R-EN
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Table of Contents
Related Manuals for Trane Voyager YH Series
Summary of Contents for Trane Voyager YH Series
- Page 1 Installation, Operation, and Maintenance Packaged Rooftop Air Conditioners Voyager™ – Cooling, Gas/Electric 12.5 to 25 Tons, 60/50Hz Model Number: YS*150–300 YH*150-300 SAFETY WARNING 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.
- Page 2 (Global Harmonized System of Classification and compounds have the same potential impact to the Labeling of Chemicals) guidelines for information on environment. Trane advocates the responsible handling of allowable personal exposure levels, proper all refrigerants-including industry replacements for CFCs respiratory protection and handling instructions.
- Page 3 Copyright 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 revise this publication at any time, and to make changes to its content without obligation to notify any person of such revision or change.
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Page 4: Table Of Contents
Table of Contents Model Number Description Two-Speed Indoor Fan (Title 24) Control ....5 . .44 Model Number Notes Single Zone Variable Air Volume (Single Zone . -
Page 5: Model Number Description
Digit 4, 5, 6 — Nominal Gross Single Zone Variable Air Volume Standard Motor Without Communications Options Cooling Capacity (MBh) Multi-Speed Standard Motor Trane Communications Interface 150 = 12½ Tons, 60Hz Single Zone Variable Air Volume Lontalk Communications 155 = 15 Tons, 50Hz... -
Page 6: Model Number Notes
Model Number Description 4. All 22 digit model numbers for 16. For use with multi-speed and Fan Failure Switch and Discharge Air Sensing reheat coil (B) require additional SZVAV units only. Clogged Filter Switch, Fan Failure factory installed options: Frostat, 17. -
Page 7: General Information
The RTRM is mounted in the control panel and is factory wireless communication between system controls, unit wired to the respective internal components. The RTRM controls, and wireless sensors for Trane control products receives and interprets information from other unit that use BACnet protocol. The WCI replaces the need for modules, sensors, remote panels, and customer binary communications wire in all system applications. -
Page 8: System Input Devices And Functions
General Information System Input Devices and Please note that on units equipped with factory installed MERV 13 filters, a clogged filter switch with different Functions pressure settings will be installed. This switch will close when the differential pressure is approximately 0.8” w.c. The RTRM must have a zone sensor or thermostat input in and open when the differential falls to 0.7”... -
Page 9: Sensors
This electronic sensor features single setpoint capability parallel with the FOS. and timed override with override cancellation. It is used with a Trane Integrated Comfort™ building management If this circuit is closed before the compressor is started, the system. compressor will not be allowed to operate. Anytime this... - Page 10 General Information The sensor is used to detect high temperatures due to fire Maintenance Instructions provided with the literature in the air conditioning or ventilation ducts. The sensor is package for this unit. designed to mount directly to the sheet metal duct. Each kit In order for the supply air smoke detector or return air contains two sensors.
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Page 11: Unit Inspection
General Information • USB port that enables the downloading of component • Wash clothes separately from other clothing: rinse runtime information as well as trended historical washer thoroughly. sensor data • Operations such as sawing, blowing, tear-out, and • Customized reports spraying may generate fiber concentrations requiring additional respiratory protection. -
Page 12: Unit Dimensions
Unit Dimensions Figure 1. Typical installation clearance for single and multiple unit applications 5' 8" 5' 0" RT-SVX26R-EN... - Page 13 Unit Dimensions Figure 2. Unit dimensional data for 12½ tons standard efficiency units DOWNFLOW CONDENSATE DRAIN CONN 1”(25MM) NPT 7/8”(22MM) DIA. HOLE (UNIT CONTROL WIRE) 1/2 NPT GAS CONNECTION 2”(51MM) DIA. HOLE (UNIT POWER WIRE) SERVICE GAUGE PORT ACCESS Note: ½ NPT Gas Connection Figure 3.
- Page 14 Unit Dimensions Figure 4. Horizontal duct dimensional data 12½ tons standard efficiency units CLEARANCE 48” CLEARANCE 60” 1219 MM 1524 MM FILTER ACCESS DOOR HORIZONTAL UNITS CLEARANCE 72” ONLY 1829 MM SUPPLY RETURN HORIZONTAL CONDENSATE DRAIN CONNECTION 1.0 IN. NPT CLEARANCE 38”...
- Page 15 Unit Dimensions Figure 6. Unit dimensional data 15–25 tons high efficiency units Note: ½ NPT Gas Connection Figure 7. Unit dimensional data 15–25 tons standard efficiency units, 12½–25 tons high efficiency units RT-SVX26R-EN...
- Page 16 Unit Dimensions Figure 8. Horizontal duct dimensional data 15–25 tons standard efficiency units, 12½–25 tons high efficiency units RT-SVX26R-EN...
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Page 17: Unit Weights
Unit Weights Table 1. Typical unit weights and point loading data (lb) Table 2. Typical unit weights and point loading data (kg) Corner Weights (lb) Corner Weights (kg) Unit Models Weights Unit Models Weights YS*150G 1448 YS*150G YH*150G 1971 YH*150G YH*150G YH*150G 2034... -
Page 18: Rigging
Unit Weights Rigging 7. Downflow units; align the base rail of the unit with the curb rail while lowering the unit onto the curb. Make sure that the gasket on the curb is not damaged while positioning the unit. WARNING Figure 10. -
Page 19: Installation
Installation Foundation All outdoor ductwork between the unit and the structure should be weather proofed after installation is completed. Note: For sound consideration, cut only the holes in the WARNING roof deck for the ductwork penetrations. Do not cut out the entire roof deck within the curb perimeter. Risk of Roof Collapsing! If a Curb Accessory Kit is not used: Confirm with a structural engineer that the roof... - Page 20 Installation Factory Installed Economizer trap condition which could result in condensate backup due to “air lock”. • Ensure the standard economizer has been pulled out Figure 11. Condensate trap installation into the operating position. Refer to the economizer Installation Instructions for proper setup. Note: Low Leak Economizers do not pull out.
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Page 21: Main Unit Power
Installation Main Unit Power Figure 12. Through the base electrical option WARNING Proper Field Wiring and Grounding Required! All field wiring MUST be performed by qualified personnel. Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards. To avoid these hazards, you MUST follow requirements for field wiring installation and grounding as described in NEC and your local/state electrical codes. - Page 22 Installation Controls using 24 Vac Table 4. Zone sensor module wiring Distance from Unit to Before installing any connecting wiring, refer to “Unit Control Recommended Wire Size Dimensions,” p. 12 for the electrical access locations 0–150 feet (0–45.7 m) 22 gauge (0.33 mm provided on the unit and Table 3, p.
- Page 23 Installation Figure 15. ReliaTel relative humidity sensor (dehumidification option) Figure 16. ReliaTel humidistat (dehumidification option) RT-SVX26R-EN...
- Page 24 Installation Figure 17. Typical field wiring diagrams for optional controls (ReliaTel only) BAYSENS075* BAYSENS075* BAYSENS108* BAYSENS106* BAYSENS110* BAYSENS119* BAYSENS073* BAYSENS074* BAYSENS075* ASYSTAT669A OPTIONAL REMOTE SENSOR CONTROL BOX RTRM TEST 1 TEST 2 RT-SVX26R-EN...
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Page 25: Space Temperature Averaging
Installation Space Temperature Averaging Space temperature averaging is accomplished by wiring a number of remote sensors in a series/parallel circuit. Using the BAYSENS016* or BAYSENS077*, at least four sensors are required to accomplish space temperature averaging. Example #1 illustrates two series circuits with two sensors in each circuit wired in parallel. - Page 26 Installation Table 6. Space temperature averaging examples RT-SVX26R-EN...
- Page 27 Installation Figure 19. Typical unit gas train configuration Table 7. Gas heater operating data Heating Input Rate—Btu/h 135,000 205,000 Minimum Supply Gas Pressure Natural/ 3.5” w.c./ 8.0” w.c. Manifold Gas Pressure -0.2” w.c Combustion Blower Suction Pressure (1 -2.1 to -3.1” -0.8 to -1.2”...
- Page 28 Installation Each reading must fall within the utilization range stamped on the unit nameplate. If any of the readings do not fall WARNING within the proper tolerances, notify the power company to Hazardous Voltage! correct this situation before operating the unit. Disconnect all electric power, including remote Excessive three phase voltage imbalance between phases disconnects before servicing.
- Page 29 Installation Modulating Gas Heat 2.5:1 Turndown during compressor starts. Oil foaming occurs when refrigerant condenses in the compressor and mixes with (Optional) the oil. In lower ambient conditions, refrigerant migration The set-up required for equipment ordered with to the compressor could increase. modulating gas heat varies based on the control system When the compressor starts, the sudden reduction in utilized.
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Page 30: Factory-Mounted Unit Options
Factory-Mounted Unit Options Circuit Breaker (FIYUCB) and Unit power conductors to the lugs provided. Connect the ground wire to the unit ground lug. Disconnect (FIYUDC) Note: Wire size for the length of run should be determined using the circuit ampacity found on the unit nameplate and the N.E.C. -
Page 31: Powered And Unpowered Convenience
Factory-Mounted Unit Options Powered and Unpowered WARNING Convenience Proper Field Wiring and Grounding Required! WARNING All field wiring MUST be performed by qualified personnel. Improperly installed and grounded field Hazardous Voltage w/Capacitors! wiring poses FIRE and ELECTROCUTION hazards. To Disconnect all electric power, including remote avoid these hazards, you MUST follow requirements for disconnects and discharge all motor start/run field wiring installation and grounding as described in... -
Page 32: Return Air Smoke Detector
Factory-Mounted Unit Options 2. The field wiring should be routed through the hole in the base for downflow applications or front panel for WARNING horizontal applications then through holes provided in Hazardous Voltage w/Capacitors! the “J” box (bottom for EMT and top for flexible conduit). - Page 33 Factory-Mounted Unit Options Figure 24. Return air smoke detector for downflow units THREE PIECE HOOD PLASTIC ELBOW METAL INTAKE TUBE SMOKE DETECTOR COPPER TUBE (FACTORY INSTALLED) VINYL TUBES (7-3/4 INCHES LONG) VINYL TUBES (2 INCHES LONG) METAL EXHAUST TUBE (16.34 INCHES LONG) TUBES INSTALL FROM BOTTOM, TOP DOES NOT NEED TO BE REMOVED FROM SMOKE DETECTOR...
- Page 34 Factory-Mounted Unit Options unit must be between 500 and 4000 feet per minute. Most Figure 25. Smoke detector wiring scheme models of equipment covered by this instruction will develop an airflow velocity that falls within these limits over the entire airflow range specified in the evaporator fan performance tables.
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Page 35: Through The Base Gas Utility Option
Factory-Mounted Unit Options Through the Base Gas Utility WARNING Option Outlet Pressure Check Required! This section contains the instructions for making field This unit uses a negative pressure gas valve. At start- connections to the Through the Base Gas Utility Option. up, the outlet pressure should be checked and adjusted For gas piping, supply, and manifold pressure information if required to a negative -0.2 inches of water column. -
Page 36: Air-Fi™ Wireless Communication Interface (Wci)
Air-Fi™ Wireless Communication Figure 30. WCI mounting location - Y*D180-300 Interface (WCI) When installed, the Trane Air-Fi Wireless Communication Interface is located in the evaporator section, near the return air ductwork. The exact mounting location is dependent on the airflow configuration, cabinet size, and fresh air selection. -
Page 37: Pre Start
Pre Start Test Modes Verifying Proper Air Flow (Units with Belt Drive Indoor Fan) There are three methods in which the “Test” mode can be cycled at LTB-Test 1 and LTB-Test 2. Much of the systems performance and reliability is closely 1. -
Page 38: Start Up
Note: The Copeland, SSA and SPA scroll compressors for 5. To stop the SERVICE TEST, turn the main power R-410A units use Trane OIL00094. The correct oil for disconnect switch to the “Off” position or proceed to Trane CSHD is Trane OIL00079 or OIL00080. -
Page 39: Dehumidification Option
Start Up Heating Start-Up Table 14. POE Oil recharge amount (fl. oz.) Open the main disconnect switch to shut the unit off and Model 25mm/18mm 25mm/18mm to reset the RTRM. YS*150 Follow the Test Guide in Table 12, p. 37 to start the unit in YH*150 the heating mode. - Page 40 Start Up pressure of 0.3" w.c. to 2.5" w.c. respectively with a Table 15. Variable air volume mode operation deadband adjustment range from 0.2" w.c. to 1.0" w.c. The System Mode Fan “Auto” Fan “On” setpoint is adjustable on the RTAM Static Pressure DWU or Setpoint potentiometer or through ICS.
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Page 41: Final System Set Up
Start Up Figure 36. RTAM module IGV - OFF OFF VFD - ON OFF OFF ON VAV w/o IGV ON ON Static Static pressure pressure No Reset OFF OFF setpoint deadband For remote deadband cut Return Air OFF ON this jumper Zone Temp ON OFF Outdoor Air ON ON Supply Air Heating... -
Page 42: Sequence Of Operation
Sequence of Operation The ReliaTel Controls is a microelectronic control feature, maintain the zone temperature to within ±2°F of the sensor which provides operating function that is significantly setpoint at the sensed location. different than conventional electro-mechanical units. The ReliaTel Control Evaporator Fan master module is the ReliaTel Refrigeration Module Operation (RTRM). - Page 43 Sequence of Operation actuator (ECA) to open the economizer damper. The RTRM The potentiometer located on the ECA is non-functional tries to cool the zone utilizing the economizer to slightly when both the temperature and humidity sensors are below the zone temperature setpoint. If the mixed air installed.
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Page 44: Two-Speed Indoor Fan (Title 24) Control
Sequence of Operation Dehumidification Coil Purge Cycle (for units approximately 30 seconds after initiating the heating cycle to start the indoor fan motor (IDM). The automatic reset with the Dehumidification option) high limit (TCO1), located in the bottom right corner of the On multiple circuit units with Dehumidification/Reheat burner compartment, protects against abnormally high configured, a purge cycle will be active for compressor... - Page 45 Sequence of Operation Demand Controlled Ventilation Operation and remains there for a few minutes, the unit will begin to stage up compressors. If the supply fan is on when the first Demand Controlled Ventilation for units with 2-Speed stage compressor is energized, it will remain energized or Supply Fans will require an additional module (RTVM) for energize at low speed for the duration of Cool 1.
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Page 46: Single Zone Variable Air Volume (Single Zone Vav) Control
Sequence of Operation Single Zone Variable Air Volume 3-Stage Cooling Units (High Efficiency Units with Short Orifice) (Single Zone VAV) Control The minimum fan speed for units with 3 stages of DX Cooling will be 63% of the unit's full airflow capacity. At Note: Single Zone VAV is designed to be used with a zone Stages 1 and 2 of DX Cooling the Fan Speed will be at a sensor. - Page 47 Sequence of Operation By default, the Design Minimum Position schedule will be point that would make the Design Minimum Position a linear line through all user selectable Design Minimum schedule linear. Position setpoints. The user will have the ability to set the Provisions have been made in Service Test Mode to allow Design Minimum Position at Middle fan speed command for proper damper minimum position setup:...
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Page 48: Variable Air Volume Applications (Traditional Vav)
Sequence of Operation Dehumidification - Humidistat Operation As the heating load in the zone decreases the fan speed will decrease down to minimum (63%) and control the A humidistat input located on the options module will be modulating heat output as necessary to meet the supported as on non-SZ VAV. - Page 49 Sequence of Operation If the unit has modulating heat, the unit can be made to do ranges are from 50°F to 90°F. When the zone temperature discharge heating with VAV control. This is done by meets or exceeds the MWU setpoint, the unit will switch to placing a contact closure across the “Changeover Input”...
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Page 50: Constant Volume Or Variable Air Volume Applications (Szvav Or Traditional)
Sequence of Operation deadband adjustment range from 0.2" w.c. to 1.0" w.c. The being performed. When switching the “System” selector setpoint is adjustable on the RTAM Static Pressure to the “Off” mode from any other mode, any diagnostic Setpoint potentiometer or through ICS. data and diagnostic indication signal will be retained as long as the system remains in the “Off”... - Page 51 Sequence of Operation mounted in the indoor section and is connected to the (a) Exhaust mode 3 is not available with the tracking power exhaust option. RTOM. The clogged filter switch is normally open and will (b) For units configured with the Statitrac option, the Exhaust Damper automatically close when the pressure differential across will open during Ventilation Override modes that request the ex- the filters falls below the clogged filter setpoint.
- Page 52 Sequence of Operation Lead/Lag input. When it is activated, each time the designated lead compressor(s) is shut off due to the load being satisfied, the lead compressor or refrigeration circuit switches. When the RTRM is powered up, i.e. after a power failure, the control will default to the number one compressor.
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Page 53: Maintenance
Maintenance Make sure all personnel are standing clear of the unit 6. Compare the “force” scale reading (Step 5) with the before proceeding. The system components will start appropriate “force” value listed in Table 23, p. 53. If the when the power is applied. “force”... -
Page 54: Monthly Maintenance
Maintenance Monthly Maintenance • Check supply fan motor bearings; repair or replace the motor as necessary. Before completing the following checks, turn the unit OFF • Check the fan shaft bearings for wear. Replace the and lock the main power disconnect switch open. bearings as necessary. -
Page 55: Final Process
Maintenance Microchannel (MCHE) Coils Final Process For future reference, you may find it helpful to record the NOTICE unit data requested below in the blanks provided. Coil Damage! (1) Complete Unit Model Number: DO NOT use any detergents with microchannel coils. _____________________________________________________ Use pressurized water or air ONLY, with pressure no greater than 600psi. -
Page 56: Troubleshooting
Troubleshooting unit. This procedure will allow you to check all of the RTRM outputs, and all of the external controls (relays, WARNING contactors, etc.) that the RTRM outputs energize, for Hazardous Service Procedures! each respective mode. Proceed to Step The maintenance and troubleshooting procedures 6. -
Page 57: Resetting Cooling And Heating Lockouts
Troubleshooting – “Off” during normal operation. indication descriptions and the approximate voltages are listed below. – “Flashing” indicates an evaporator fan failure or a Condenser Overflow Switch (COF) failure. System Failure The following is the complete listing of indication causes: Measure the voltage between terminals J6-9 and J6-6. -
Page 58: Zone Temperature Sensor (Zts) Service Indicator
Troubleshooting Condensate Overflow Switch “Method 1,” p. 58 explains resetting the system from the space; “Method 2,” p. 58 explains resetting the system at When the condensate overflow switch is closed, a drain the unit. pan overflow condition is indicated and it will shut unit Note: Before resetting Cooling Failures and Heating operations down. -
Page 59: Programmable And Digital Zone Sensor Test
Troubleshooting Test 4 Table 27. System mode and fan selection 27.93 Heat/On Heat LED Indicator Test, (SYS ON, HEAT, COOL and Emergency Emergency SERVICE) 35.0 Auto Heat/Auto Heat Emergency Emergency Method 1 43.45 Heat/On Heat Testing the LED using a meter with diode test function. Test Out of Range Invalid (CV), INVALID/Short... - Page 60 Troubleshooting WARNING Hazardous Voltage! Disconnect all electric power, including remote disconnects before servicing. Follow proper lockout/ tagout procedures to ensure the power can not be inadvertently energized. Failure to disconnect power before servicing could result in death or serious injury. 1.
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Page 61: Wiring Diagrams
Wiring Diagrams Note: Wiring diagrams can be accessed via e-Library by entering the diagram number in the literature order number search field or by contacting technical support. Table 28. Wiring diagrams Schematic Diagram Type Voltage Number Description 1213-2099 YS/H*150-300 50/60HZ, 2 Stage Gas Heat Power 1213-2100 YS/H*150-300 50/60HZ, Modulating Gas Heat Controls... -
Page 62: Warranty
Models 20 Tons and Greater for Commercial Use* Use* This warranty is extended by Trane, to the original The Company warrants for a period of 12 months from purchaser and to any succeeding owner of the real initial start-up or 18 months from date of shipment,... - Page 63 Warranty residential application. Commercial use is any application where the end purchaser uses the product for other than personal, family or household purposes. *A 5 year limited warranty is provided for the optional Low Leak Economizer, when combined with the optional FDD (Fault Detection and Diagnostics) option.
- Page 64 For more information, please visit trane.com or americanstandardair.com. Trane and American Standard have a policy of continuous product and product data improvement and reserve the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.