Trane YSC060 Installation Operation & Maintenance

Packaged gas/electric
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Installation
Operation
Maintenance
Packaged Gas/Electric
YSC060 - YSC120
50 Hz
RT-SVX31A-EN
August 2007

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Table of Contents
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Summary of Contents for Trane YSC060

  • Page 1 ® Installation Operation Maintenance Packaged Gas/Electric YSC060 - YSC120 50 Hz RT-SVX31A-EN August 2007...
  • Page 2: Introduction

    An Y_C-IOM-2 (March 2003) explanation of the alphanumeric identi- Orginal issue YSC060 - YSC120 mod- fication code is provided below. Its use els. will enable the owner/operator, install- ing contractors, and service engineers...
  • Page 3: Table Of Contents

    (optional) ........... 5 Space Temperature Averaging ..26 ReliaTel ReliaTel Control ....... 39 Temperature vs Resistance ..... 27 Trane Communication Interface System Status Checkout Procedure 39 Sizing Natural Gas Pipe (optional) ........... 5 LED 4 (Service) ....... 39 Mains & Branches ......27 ReliaTel System failure .........
  • Page 4: Unit Nomenclature

    Digit 21 - Factory Installed Options Digit 12, 13 - Service Digit Sequence -Communications 0 = Without Communications Options Digit 14 - Factory Installed Options 1 = Trane Communications Interface -Fresh Air Section 2 = LoneTalk Communications 0 = No Fresh Air Interface...
  • Page 5: General Information

    (RTRM). The acronym RTRM is used and is powered by 24 VAC. extensively throughout this document when referring to the control system Warnings are provided throughout RTCI - ReliaTel™ Trane network. this manual to indicate to installing Communication Interface contractors, operators, and service...
  • Page 6: System Input Devices

    General Information System Input Devices & Compressor Disable (CPR1/2) affected circuit is locked out. A manual re- This input incorporates the low pressure set for the affected circuit is required. Functions control (LPC) of each refrigeration circuit and can be activated by opening a field ReliaTel Control The RTRM must have a zone sensor or supplied contact installed on the LTB.
  • Page 7: Unit Inspection

    It is used proper phase sequence of L1,L2,L3 for with a Trane Integrated Comfort build- The occupied cooling set point ranges the 3 conductors of a 3 phase circuit.
  • Page 8: Unit Storage

    General Information Unit Clearances As soon as the unit arrives at the job Take precautions to prevent conden- site sate from forming inside the unit’s Figure 1 illustrates the minimum op- electrical compartments and motors if: erating and service clearances for ei- [ ] Verify that the nameplate data ther a single or multiple unit installa- matches the data on the sales order...
  • Page 9: Unit Installation Clearances

    Pre - Installation Figure 1 Typical Installation Clearances for Single & Multiple Unit Applications RT-SVX31A-EN...
  • Page 10: Unit Dimensions

    Unit Clearances Figure 2 Unit Dimensional Data YSC060AD 1775 RT-SVX31A-EN...
  • Page 11: Unit Dimensions

    Unit Dimensions Figure 2 - Continued Unit Dimensional Data YSC072AD, YSC090AD Unit Dimensional Data YS102AD, YSC120AD RT-SVX31A-EN...
  • Page 12: Unit / Accessory Weights

    Unit / Accessory Weights Table 1 Typical Unit Weights & Point Loading Data Center Center Unit Weight Corner Wt. (lbs) of Gravity (In.) Unit Weight Corner Wt. (kg) of Gravity (mm.) Model (lbs) Length Width Model (kg) Length Width YSC060AD* 179 140 119 136 YSC060AD* YSC072AD*...
  • Page 13: Foundation

    Installation Foundation Horizontal Units If the unit is installed at ground level, elevate it above the snow line. Provide concrete footings at each support location with a “full perimeter” support struc- ture or a slab foundation for support. Refer to Table 1 for the unit’s operating and point loading weights when constructing a footing foundation.
  • Page 14: Unit Supply & Return Air Openings

    Installation Figure 4-1 Figure 4-1 YSC060AD YSC060AD Downflow Unit Supply & Return Air Openings Horizontal Unit Supply & Return Air Opening YSC072AD - 120AD YSC072AD - 120AD Horizontal Unit Supply & Return Air Opening Downflow Unit Supply & Return Air Openings RT-SVX31A-EN...
  • Page 15: Ductwork

    Installation Ductwork 3. That the purposed installation loca- tion provides the required clearance Figure 4-1 illustrates the supply and re- for proper operation. turn air openings as viewed from the rear of the unit. 4. Insure that the curb is level and square.
  • Page 16: Rigging

    Installation Rigging 3. Rig the unit as shown in Figure 3. At- The checklist listed below is a summary tach adequate strength lifting slings of the steps required to successfully in- A Rigging illustration and Center-of- to all four lifting brackets in the unit stall a commercial unit.
  • Page 17: Temperature Limit Switch Usage For Gas Heat Units

    TC01 limit switch from the combustion blower motor and discard. Gas Heat Technical Data YSC072**L YSC072**H YSC102**L YSC102**H MODEL # YSC060**L YSC060**H YSC090**L YSC090**H YSC120**L YSC120**H GENERAL DATA HEATER SIZE G120 G120 G200...
  • Page 18: Horizontal Discharge Conversion

    Installation Horizontal Discharge Conversion Note: Certain unit/electric heater combinations require a YSC060 limit switch change out for horizontal airflow applications. Refer to the following instructions to determine if this process is required for the unit undergoing installation. Supplies Needed by Installer for Conversion: 3 oz. tube of High Temperature RTV sealant.
  • Page 19: Ysc072 - 120

    Installation Horizontal Discharge Conversion Note: The following units require a limit switch change YSC072 - 120 out. The additional limit switch is shipped attached to the blower housing for these models. Proceed to Step Supplies Needed by Installer for Conversion: 3 oz. tube of 5 for the following models "ONLY".
  • Page 20 Installation Through the Base Gas Installation 12. Using pipe sealant, assemble the two measured nipples, 90° elbow, and the other side of the union. To convert the unit to through the base gas, complete the following procedure. The gas supply line must extend 120 13.Using pipe sealant, attach the assembly from step 12 to mm (4-5/8 in) above the base-pan.
  • Page 21: Requirements For Gas Heat

    Installation Main Electrical Power Requirements Condensate Drain Configuration 6. Plug the original condensate drain opening with a field supplied 3/4" [ ] Verify that the power supply complies An evaporator condensate drain con- NPT plug. with the unit nameplate specifica- nection is provided on each unit.
  • Page 22: Filter Installation

    Installation Filter Installation Main Unit Power Wiring The transformer is located in the con- trol panel. The circuit breaker is lo- YSC060AD unit ships with one inch (25 1. The unit is not equipped with an op- cated on the left side of the trans- mm) filters.
  • Page 23: 24V Ac Conductors With Reliatel

    Installation Table 2A DC Conductors 24V AC Conductors with Reliatel Table 3 Distance from Unit Recommended to Control Wire Size Distance from Recommended Unit to Control Wire Size 000 - 460 feet 18 gauge Area Feet Meters 000 - 140 m .75 mm 0 - 150 0 - 46...
  • Page 24: Customer Low Voltage Routing

    Installation Reliatel Conventional Thermostat Field Wiring Reliatel Refrigeration Module Diagrams Reliatel Control Customer Low Voltage Routing- RT-SVX31A-EN...
  • Page 25: Typical Field Wiring

    Installation Figure 6 Typical Field Wiring Diagrams for Optional Controls (ReliaTel™ only) RT-SVX31A-EN...
  • Page 26: Space Temperature Averaging

    Installation Space Temperature Averaging ReliaTel™ Space temperature averaging is accomplished by wiring a number of remote sensors in a series/parallel circuit. Using the BAYSENS016* or BAYSENS017*, at least four sensors are required to accomplish space temperature averaging. Example #1 illustrates two series circuits with two sensors in each circiut wired in parallel. The square of any number of re- mote sensors required.
  • Page 27: Temperature Vs Resistance

    Installation Table 4 Table 5 Temperature versus Resistance Sizing Natural Gas Pipe Mains & Branches (temperature vs resistance) Iron Pipe Size (IPS) Inches Length of 1/2" 3/4" 1" 1 1/4" 1 1/2" Temperature Pipe (Ft.) Pipe Pipe Pipe Pipe Pipe Degrees Degrees Nominal...
  • Page 28: Voltage Imbalance

    Installation Use the checklist provided below in conjunction with the VD = Line Voltage reading that deviates the farthest from “General Unit Requirements” checklist to ensure that the the average voltage. unit is properly installed and ready for operation. Example: If the voltage readings of the supply power measured 403, 402, and 389, the average volts would be: 403 + 402 + 389 = 398 Avg.
  • Page 29 Installation HAZARDOUS VOLTAGE! HIGH VOLTAGE IS PRESENT AT THE TERMINAL BLOCK OR UNIT MOUNTED DISCONNECT SWITCH. To prevent injury or death from electrocution, it is the re- sponsibility of the technician to recognize this hazard and use extreme care when performing service procedures with the electrical power energized.
  • Page 30: Pre - Start

    Pre - Start tivated individually by temporarily short- 2. Resistance Test Mode - This ing across the “Test” terminals for two method can be used for start-up to three seconds. The Liteport LED lo- providing a decade box for variable HAZARDOUS VOLTAGE! cated on the RTRM module will blink resistance outputs is available.
  • Page 31: Verfiying Proper Airflow

    Pre - Start Verifying Proper Air Flow 3. If the required CFM is too high, (external static pressure is low causing motor HP output to be above table value), (Units with Belt Drive Indoor Fan) perform one or both of the following: Much of the systems performance and reliability is closely a.
  • Page 32: Economizer Start-Up

    “Off”. Verify that the dampers stroked to the full open position. Note: The scroll compressor uses Trane OIL- To stop the SERVICE TEST, turn the 42 without substitution. The appropriate main power disconnect switch to the oil charge for a 9 and 10 Ton scroll “Off”...
  • Page 33: Final System Setup

    Final System Setup Final System Setup After completing all of the pre-start and start-up procedures outlined in the previous sections (i.e., operating the unit in each of its Modes through all available stages of cooling & heating), perform these final checks before leav- ing the unit: [ ] Program the Night Setback (NSB) panel (if applicable) for proper un-...
  • Page 34: Fan Belt Adjustment

    Maintenace 4. Place the large end of the gauge at the center of the belt span; then de- press the gauge plunger until the ROTATING PARTS! large O-ring is even with the top of UNIT STARTS AUTOMATICALLY the next belt or even with a straight- edge placed across the fan and Make sure all personnel are standing motor sheaves.
  • Page 35: Belt Tension Gauge

    Maintenace Figure 9 Table 7 Belt Tension Measurement and Deflection Belt Tension Gauge Deflection Force (Lbs.) Belts Super Steel Cable Cross Small P.D Gripbelts Gripnotch Gripbelts (in) (in) (in) Section Range (in) Min. Max. Min. Max. Min. Max 3.0 - 3.6 4 1/2 3 7/8 5 1/2 3 1/4 3.8 - 4.8 3 1/2...
  • Page 36: Filters

    Maintenance Monthly Maintenance [ ] Check the fan shaft bearings for [ ] Inspect both the main unit control wear. Replace the bearings as nec- panel and heat section control box Before completing the following essary. for loose electrical components and checks, turn the unit OFF and lock the terminal connections, as well as main power disconnect switch open.
  • Page 37: Annual Maintenance

    Maintenance F 65.6 C maximum to improve [ ] Clean and repaint any corroded sur- its cleansing capability. face. Final Process For future reference, you may find it CONTAINS REFRIGERANT! SYSTEM helpful to record the unit data re- CONTAINS OIL AND REFRIGERANT quested below in the blanks provided.
  • Page 38: Sample Maintenance Log

    Maintenance Table 8 Sample Maintenance Log Refrigerant Circuit #1 Refrigerant Circuit #2 Current Ambient Compr. Suct. Disch. Liquid Super- Sub- Compr. Suct. Disch. Liquid Super- Sub- Temp. Press. Press. Press. heat cool. Press. Press. Press. heat cool. Date Level Psig/kPa Psig/kPa Psig/kPa Level Psig/kPa Psig/kPa Psig/kPa - ok - ok...
  • Page 39: System Status Checkout Procedure

    Trouble Shooting 5. If no failures are indicated, use one LED 2 (Heat) Before turning the main power discon- of the TEST mode procedures de- “On” when the heat cycle is operating. nect switch “Off”, follow the steps be- scribed in the “Unit Start-Up” section “Off”...
  • Page 40: Cooling Failure

    Trouble Shooting Cooling Failure Note: 1. Cooling and heating set point (slide Heat Failure Before resetting Cooling Failures and pot) on the zone sensor has failed. Measure the voltage between terminals Ignition Lockouts check the Failure Refer to the “Zone Sensor Test Pro- J6-7 &...
  • Page 41: Fan Failure Switch

    Trouble Shooting If the switch remains closed, and the Note: IDM is turned “On”, the SERVICE LED Cool SP = Terminals 2 and 3 Measurements should be made from will be turned “On” again after the 2 Range = 100 to 900 Ohms approxi- LED common (ZSM terminal 6 to (±1) minute ignore delay.
  • Page 42: Trouble Shooting

    Trouble Shooting Verify Heat Failure by Ignition Module Sensor Module is the only component Before turning the main power discon- (IGN) LED indicator: required for the “Default Mode” to oper- nect switch “Off”, follow the steps be- ate. low to check the Ignition Module (IGN). OFF: No Power or Failure Normal...
  • Page 43: Wiring Schematic Control Schematic

    Control Wiring Schematic RT-SVX31A-EN...
  • Page 44: Power Schematic

    Power Wiring Schematic RT-SVX31A-EN...
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  • Page 47 RT-SVX31A-EN...
  • Page 48 The Trane Company Worldwide Applied Systems Group 3600 Pammel Creek Road La Crosse, WI 54601-7599 www.trane.com Since The Trane Company has a policy of continuous product improvement, it reserves the right to change design An American Standard Company and specifications without notice.

This manual is also suitable for:

Ysc120Ysc060adYsc072adYsc090adYsc102adYsc120ad

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