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Installation, Operation,
and Maintenance
Packaged Rooftop Air Conditioners
Voyager™
Gas/Electric
–
12½ – 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.
January 2014
YS*150–300
YH*150-300
SAFETY WARNING
RT-SVX26J-EN
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Summary of Contents for Ingersoll-Rand YS*150
- Page 1 Gas/Electric – 12½ – 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 Warnings, Cautions and Notices Warnings, Cautions and Notices. Note that warnings, cautions and notices appear at appropriate intervals WARNING throughout this manual. Warnings are provide to alert Personal Protective Equipment (PPE) installing contractors to potential hazards that could result Required! in personal injury or death.
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Page 3: Overview Of Manual
Warnings, Cautions and Notices Overview of Manual Note: One copy of this document ships inside the control panel of each unit and is customer property. It must be retained by the unit’s maintenance personnel. This booklet describes proper installation, operation, and maintenance procedures for air cooled systems. -
Page 4: Table Of Contents
Table of Contents Model Number Description Troubleshooting ....5 ......45 ReliaTel Control . -
Page 5: Model Number Description
Model Number Descriptions Model Number Description All products are identified by a Digit 11 — Minor Design CompleteCoat™Condenser Coil CompleteCoat™Condenser Coil multiple character model number that Sequence with Hail Guard precisely identifies a particular type of Digit 12, 13 — Service Sequence Digit 18 —... -
Page 6: Model Number Notes
Model Number Description Model Number Notes 13. This option consists of the Novar Clogged Filter Switch and Discharge Air Sensing return air sensor (Novar #WTS-10) Fan Failure Switch and Discharge 1. Some field set up required. that is wired and shipped in the Air Sensing return air section of the unit. -
Page 7: General Information
General Information Unit Description RLCI—ReliaTel™ LonTalk Communication Interface (Optional) Before shipment, each unit is leak tested, dehydrated, This module is used when the application calls for an ICS™ charged with refrigerant and compressor oil, and run building management type control system that is LonTalk. tested for proper control operation. -
Page 8: Phase Monitor
General Information proven by the differential pressure switch connected to the If four consecutive open conditions occur during the first RTOM (factory set point 0.07“ w.c.) within 40 seconds three minutes of operation, the compressor for that circuit nominally, the RTRM will shut off all mechanical will be locked out, a diagnostic communicated to the operations, lock the system out, send a diagnostic to ICS, remote panel (if installed), and a manual reset will be... -
Page 9: Sensors
General Information Evaporator Frost Control Trane Integrated Comfort™ building management system. This input incorporates the Frostat™ control (FOS) Remote Zone Sensor (BAYSENS074*) mounted in the indoor coil and can be activated by closing a field supplied contact installed in parallel with the FOS. This electronic sensor features single setpoint capability If this circuit is closed before the compressor is started, the and timed override with override cancellation. - Page 10 General Information Thermostat (BAYSTAT151) Failure to follow these instructions will prevent the smoke detector from performing its design function. This thermostat is a single-stage 1 heat/1 cool, auto- changeover digital display thermostat. It is a non- Unit Model Minimum Allowable Airflow with programmable, wall-mounted thermostat.
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Page 11: Unit Inspection
General Information Unit Inspection First Aid Measures • Eye Contact - Flush eyes with water to remove dust. If As soon as the unit arrives at the job site: symptoms persist, seek medical attention. • Verify that the nameplate data matches the data on the •... -
Page 12: Unit Dimensions
Unit Dimensions Figure 1. Typical installation clearance for single and multiple unit applications 5' 8" 5' 0" RT-SVX26J-EN... - Page 13 Unit Dimensions Figure 2. Unit dimensional data for 12½ tons standard efficiency units 1273 mm (50 1/8”) 25 mm (1”) 168 mm (6 5/8”) DOWNFLOW CONDENSATE DRAIN CONN 25 mm (1”) NPT 745 mm 651 mm (29 5/16”) (25 5/8”) 152 mm (6”) 1453 mm...
- Page 14 Unit Dimensions Figure 4. Horizontal duct dimensional data 12½ tons standard efficiency units Figure 5. Unit dimensional data 15–25 tons standard efficiency units 1372 mm (54”) 25 mm (1”) 173 mm (6 13/16”) DOWNFLOW CONDENSATE DRAIN CONN 25 mm (1”) NPT 679 mm (26 3/4”) 151 mm...
- Page 15 Unit Dimensions Figure 6. Unit dimensional data 12½ ton high efficiency units 1372 mm (54”) 25 mm (1”) DOWNFLOW CONDENSATE DRAIN CONN 25 mm (1”) NPT 679 mm (26 3/4”) 152 mm (6”) 1643 mm (64 11/16”) GAS CONNECTION (SEE NOTE 1) 843 mm (33 3/16”) 3091 mm...
- Page 16 Unit Dimensions Figure 8. Unit dimensional data 15–25 tons standard efficiency units, 12½–25 tons high efficiency units Figure 9. Horizontal duct dimensional data 15–25 tons standard efficiency units, 12½–25 tons high efficiency units RT-SVX26J-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) Weights Corner Weights (kg) (25mm/ Weights Unit Models 18mm) (25mm/ Unit Models 18mm) YS*150F 1508 YS*150F YH*150F 2126... -
Page 18: Rigging
Unit Weights Rigging Figure 11. Rigging and center of gravity data WARNING Heavy Objects! Ensure that all the lifting equipment used is properly rated for the weight of the unit being lifted. Each of the cables (chains or slings), hooks, and shackles used to lift the unit must be capable of supporting the entire weight of the unit. -
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: Factory Installed Economizer
Installation Factory Installed Economizer Figure 12. Condensate trap installation • Ensure the economizer has been pulled out into the operating position. Refer to the economizer installers guide for proper position and setup. • Install all access panels. Main Electrical Power Requirements •... -
Page 21: Main Unit Power
Installation Main Unit Power Figure 13. 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 2. Ensure that the AC control wiring between the controls Figure 14. ReliaTel™ options module and the unit’s termination point does not exceed three (3) ohms/conductor for the length of the run. Note: Resistance in excess of 3 ohms per conductor could cause component failure due to insufficient AC voltage supply.
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Page 23: Smoke Detector
Installation another power supply. Refer to the field wiring example in Figure 16. ReliaTel relative humidity sensor Figure (dehumidification option) Figure 18. Smoke detector connections (up to 5 HVAC units) Figure 17. ReliaTel humidistat (dehumidification option) Smoke Detector Customer Low Voltage Wiring When interlocking System Sensor smoke detectors together, all of the detectors must be powered from the same power supply. - Page 24 Installation Figure 19. Smoke detector connections (up to 10 HVAC units) RT-SVX26J-EN...
- Page 25 Installation Figure 20. Typical field wiring diagrams for optional controls (ReliaTel only) BAYSENS075* BAYSENS075* BAYSENS108* BAYSENS106* BAYSENS110* BAYSENS119* BAYSENS073* BAYSENS074* BAYSENS075* ASYSTAT669A OPTIONAL REMOTE SENSOR RT-SVX26J-EN...
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Page 26: 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 27 Installation Table 6. Space temperature averaging examples RT-SVX26J-EN...
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Page 28: Voltage Imbalance
Installation Figure 22. 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 29: Compressor Crankcase Heaters
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 30: Reliatel Controls
Installation Modulating Gas Heat 5:1 Turndown temperature during the “Off” cycle to reduce oil foaming during compressor starts. Oil foaming occurs when (Optional) refrigerant condenses in the compressor and mixes with the oil. In lower ambient conditions, refrigerant migration The set-up required for equipment ordered with to the compressor could increase. -
Page 31: Factory-Mounted Unit Options
Factory-Mounted Unit Options Circuit Breaker (FIYUCB) & Unit disconnect switch or circuit breaker. Connect the power conductors to the lugs provided. Connect the Disconnect (FIYUDC) ground wire to the unit ground lug. Note: Wire size for the length of run should be determined using the circuit ampacity found on WARNING the unit nameplate and the N.E.C. -
Page 32: 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 33: Return Air Smoke Detector
Factory-Mounted Unit Options Unpowered Convenience Outlet WARNING Unpowered Option (FIYCOUP) Hazardous Voltage w/Capacitors! 1. When the unpowered convenience outlet option is installed, remove the receptacle. Disconnect all electric power, including remote disconnects and discharge all motor start/run 2. The field wiring should be routed through the hole in capacitors before servicing. - Page 34 Factory-Mounted Unit Options Figure 27. Return air smoke detector for downflow units TWO 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 35 Factory-Mounted Unit Options In order for the return air smoke detector to properly sense Figure 28. Smoke detector wiring scheme smoke in the return air stream, the air velocity entering the unit must be between 500 and 4000 feet per minute. Most 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...
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Page 36: Through The Base Gas Utility Option
Model Dimension capacitors before servicing. Follow proper lockout/ YS*150-300, YH*150-300 1 3/16" tagout procedures to ensure the power cannot be inadvertently energized. Verify with an appropriate voltmeter that all capacitors have discharged. Failure to Figure 29. -
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
Table 14, p. Compressor Start-Up Table 13. Compressor types Tonnage 1. Attach a set of service gauges onto the suction and YS*150 SSA067 SSA054 discharge gauge ports for each circuit. Refer to the YH*150 SSA076 SPA044 refrigerant circuit illustration in the Service Facts. -
Page 39: Dehumidification Option
Table 14. POE Oil recharge amount (fl. oz.) started. Note: At initial start-up modulating gas heat exchangers Model 25mm/18mm 25mm/18mm can produce a resonance that will subside after the YS*150 56/105.6 62/99.2 break-in period. YH*150 Variable Air Volume Applications YH*150 Reheat YS*180/155 112/182.4... -
Page 40: Vhr Relay Output
Start Up Figure 32. Supply duct static pressure control Table 15. Variable air volume mode operation System Mode Fan “Auto” Fan “On” DWU Active Heat DWU Off VAV Heating Cool VAV Cooling VAV Cooling DWU or DWU or 1,2,3,4 DWU Active Cooling 1,2,3,4 Auto... -
Page 41: Final System Set Up
Start Up Figure 34. 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: 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 17, p. 42. If the when the power is applied. “force”... -
Page 43: 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 44: 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 _____________________________________________________ condenser coils. -
Page 45: Troubleshooting
Troubleshooting 5. If no failures are indicated, use one of the TEST mode procedures described in “Start Up, ” p. 38 to start the WARNING unit. This procedure will allow you to check all of the Hazardous Service Procedures! RTRM outputs, and all of the external controls (relays, contactors, etc.) that the RTRM outputs energize, for The maintenance and troubleshooting procedures recommended in this section of the manual could result... - Page 46 Troubleshooting Method 2 – “On” indicates a clogged filter. – “Off” during normal operation. The second method for determining system status is done – “Flashing” indicates an evaporator fan failure or a by checking voltage readings at the RTRM (J6). The system Condenser Overflow Switch (COF) failure.
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Page 47: Resetting Cooling And Heating Lockouts
Troubleshooting Resetting Cooling and Heating Fan Failure Switch Lockouts When the “Fan Failure” switch is wired to the RTOM, the LED will remain flashing the entire time the fan proving switch is closed, indicating a fan failure, and it will shut the Cooling Failures and Heating Lockouts are reset in an unit operations down. -
Page 48: Programmable & Digital Zone Sensor Test
Troubleshooting Test 3 Table 21. System mode and fan selection 4.87 Cool/Auto Cool Auto System Mode and Fan Selection 7.68 Auto/Auto Auto Auto The combined resistance of the Mode selection switch and 10.77 Off/On the Fan selection switch can be measured between 13.32 Cool/On Cool... -
Page 49: Unit Operation Without A Zone Sensor
Troubleshooting Unit Operation Without a Zone Sensor This procedure is for temporary operation only. The economizer and condenser fan cycling functions are disabled. 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. -
Page 50: Wiring Diagrams
YS*150-300, YH*150-300, 60HZ, Modulating Gas Heat, with or without Air Volume 2313-1511 Dehumidification 208-230 2313-1509 YS*150-300, YH*150-300, 60HZ, 2 Stage Gas Heat, with or without Dehumidification Control Box Connections 2313-1510 YS*150-300, YH*150-300, 60HZ, 2 Stage Gas Heat, with or without Dehumidification 460-575... - Page 51 Wiring Diagrams Table 23. Wiring diagrams for units with High Short Circuit Rating (SCCR) Type of Schematic Diagram airflow Type Voltage Number Description 208-230, 2313-1579 YS*180-300, YH*150-300, 2-Stage Gas Heat 460, 575 Power 2313-1580 YS*180-300, YH*150-300, Modulating Gas Heat (60 Hz) 2313-1584 YS*180-300, YH*150-300, 2-Stage Gas Heat 208-230, 460, 575...
- Page 52 The manufacturer optimizes the performance of homes and buildings around the world. A business of Ingersoll Rand, the leader in creating and sustaining safe, comfortable and energy efficient environments,the manufacturer offers a broad portfolio of advanced controls and HVAC systems, comprehensive building services, and parts. For more information, visit www.IRCO.com.
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