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Trane Voyager 12.5 to 25 Tons Installation and Maintenance Manual

1. i SWING RADIUS E HORIZONTAL FILTER ACCESS PANEL SWING RADIUS A ID SECTION ACCESS PANEL THROUGH THE BASE ELECTRICAL ACCESS PANEL Table2 Swing clearances Unit Model A B WSD150 180 42 3 8 48 3 8 31 N A N A WSD240 29 1 2 56 38 1 2 18 1 2 N A WSH150 180 42 3 8 N A 31 N A 12 WSH240 29 1 2 N A 38 1 2 18 1 2 14 Note All dimensions are in inches 16 RT SVX33E EN Unit Weights Table3 Typical unit weights and point loading data Corner Weights Center of Ibs Gravity in Unit Net Description Weight A B D Length Width WS 150 1978 633 514 376 455 56 36 WS 155 1982 634 515 377 456 56 36 WS 180 1982 634 515 377 456 56 36 WS 200 2107 674 485 400 590 57 35 WS 240 2107 674 485 400 590 57 35 Note Corner weights are given for information only Unit is to be supported continuously by a curb or equivalent frame support Rigging Refer to Figure 14 and Table 3 for typical unit operating weights rigging before proceeding A 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 Lifting cables chains or slings may not be of the same length Adjust as necessary for even unit lift Other lifting arrangements could ca
2. Verify that the electric heat system operates properly Coil Cleaning Regular coil maintenance including annual cleaning enhances the unit s operating efficiency by minimizing compressor head pressure and amperage draw evaporator water carryover fan brake horsepower due to increase static pressure losses airflow reduction Atleastonce each year or more often if the unitis located in a dirty environment clean the evaporator and condenser coils using the instructions outlined below Be sure to follow these instructions as closely as possible to avoid damaging the coils To clean refrigerant coils use a soft brush and a sprayer either a garden pump up typeora high pressuresprayer A high quality detergent is also required suggested brands include SPREX OAKITE 161 OAKITE 166 and If the detergent selected is strongly alkaline ph value exceeds 8 5 add an inhibitor 1 Removeenough panels from the unitto gain access to thecoil Removetheaccess panel fromthe roof located next to the rear condenser fan 2 Protect all electrical devices such as motors and controllers from any over spray 3 Straighten any bent coil fins with a fin comb 4 Mixthe detergent with water according to the manufacturer s instructions If desired heat the solution to 150 F maximum to improve its cleansing capability RT SVX33E EN AWARNING Hazardous Pressures If a heat source is required to raise t
3. GR 4 4 6 WIRE 407A BR TO HARNESS IF WIRED FOR 230V OPERATION TAPE WIRE 405B BL TO HARNESS IF WIRED FOR 208V OPERATION 410A WH AT A BK RT SVX33E EN 27 Factory Mounted Unit Options Unpowered Convenience Outlet Unpowered Option FIYCOUP 1 When the unpowered convenience outlet option is installed remove the receptacle 2 The field wiring should be routed through the hole in the base for downflow applications or front panel for horizontal applications then through holes provided in the J box bottom for EMT and top for flexible conduit 3 Connectthe three 3 wires to terminals inside outlet box Figure 22 Power options B Powered Retum Air Smoke Detector Pre Requisite Note The following field installation instructions apply to downflow only Horizontal return air smoke detectors require no field installation When a unit is ordered with a downflow economizer and areturn airsmoke detector as factory installed options the return air smoke detector cannot be completely installed because the economizer when it is in the shipping position is occupying the space where the return air smoke detector is to be installed The partial assembly and set up required for each factory installed economizer must be completed up to the point where the barometric relief hood is to be installed into the unit Prior to this operation go to Step 5 of this instru
4. Figure 14 Rigging and center of gravity data ATTACH CHAIN OR CABLE TQ CLEVIS 17 Installation Foundation NOTICE Water Damage Non factory penetrations through the base of this unit are not allowed Any penetration in the base of the unit may affect the water tight integrity of the unit and lead to water leaks into the conditioned space Failure to follow instructions could result in equipment and property damage Notes For units with optional Condensate Overflow Switch COF the switch will not work properly if unit is not level or slightly sloped toward switch Toassure proper condensate flow during operation the unit and the curb must be level 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 structure or a slab foundation for support Refer to Table 3 17 for the unit s operating and point loading weights when constructing a footing foundation If anchoring is required anchor the unit to the slab using hold down bolts or isolators Isolators should be installed to minimize the transmission of vibrations into the building For rooftop applications ensure the roof is strong enough to support the combined unit and support structural weight A WARNING Risk of Roof Collapsing Confirm with a structural engineer that the roof structure is strong enough to support the combi
5. If this circuit is closed before the compressor is started the compressor will not be allowed to operate Anytime this circuit is closed for 1 continuous second during compressor operation the compressor for that circuit is immediately turned Off The compressor will not be allowed to restart for a minimum of 3 minutes should the FOS open Smoke Detector Sensor Optional This sensor is only applicable on units equipped with a RTOM It provides high limit shutdown of the unit and requires a manual reset The sensor is used to detect smoke due to fire in the air conditioning or ventilation ducts The supply and return air smoke detectors are designed to shut off the unit if smoke is sensed in the supply air stream or return air stream This function is performed by sampling the airflow entering the unit at the return air opening Follow the instructions provided below to assure that the airflow through the unit is sufficient for adequate sampling Failure to follow these instructions will prevent the smoke detectors from performing it s design function Important Airflow through the unit is affected by the amount of dirt and debris accumulated on the indoor coil and filters To insure that airflow through the unit is adequate for proper sampling by the return air smoke detector complete adherence to the maintenance procedures including recommended intervals between filter changes and coil cleaning is required Periodic c
6. Installation Operation and Maintenance Packaged Rooftop Air Conditioners Voyager Heat Pump 12 20 Ton 60 50 Hz Model Numbers WS 150 240 A 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 When working on the equipment observe all precautions in the literature and on the tags stickers and labels that are attached to the equipment May 2014 RT SVX33E EN FD ingersou Wamings Cautions and Notices Wamings Cautions and Notices warnings cautions and notices appear at appropriate intervals throughout this manual Warnings are provide to alert installing contractors to potential hazards thatcould result in personal injury or death Cautions are designed to alert personnel to hazardous situations that could result in personal injury while notices indicate a situation that may result in equipment or property damage only accidents Your personal safety and the proper operation of this machine depend upon the strict observance of these precautions ATTENTION Warnings Cautions and Notices appear at appropriate sections throughout this literature Read these carefully Indicate
7. SE LEME FOR UNIT WITH BOTH RETURN AIR AND SUPPLY AIR SMOKE Notes e Airflow through the unit is affected by the amount of dirt and debris accumulated on the indoor coil and 3n A a J7 41 J7 10 J7 9 filters To insure that airflow through the unit is Q adequate for proper sampling by the return air smoke m detector complete adherence to the maintenance procedures including recommended intervals Nm ED S between filter changes and coil cleaning is required Periodic checks and maintenance procedures must be t performed on the smoke detector to insure that it will nae 52 ve apy function properly For detailed instructions concerning SOM MeL Meee these checks and procedures refer to the appropriate 9 9 epr22 Bo ades section s of the smoke detector Installation and Maintenance Instructions provided with the literature 1 7 S Jesus 12 3 pew23 package for this unit aha ne w54 w514 Important Refer to the service literature provided for Go D Gu testing and other information about the RD Ro smoke detector or if problems are OO encountered 9 fo 6 17 5 io 6 17 501 502 WIRING INSTRUCTIONS 1 CONNECT PLUGS TOGETHER AS SHOWN NOTES 1 REFER TO THIS DRAWING F
8. _ 2T Oe A 2 4 5 6 E 91t ey re 841 7 8 9 ro O4 0 9 971 1 2 1 2 1 2 3 ZSM REMOTE SENSORS 1 2 Q I 5 I z O 2 RT SVX33E EN TERMINAL 1 Installation any number of remote sensors is required Example 2 illustrates three sensors squared in aseries parallel circuit Using BAYSENSO75 two sensors are required to accomplish space temperature averaging Example 8 illustrates the circuit required for this senor Table 6 p 24 lists the temperature versus resistance coefficient for all sensing Remote Sensor 1 Remote Sensor 2 AV V VV AVVVV Remote Sensor 3 Remote Sensor 4 2VVVV 7VVVVY 3 ZSM ZEM TERMINAL 1 TERMINAL 2 Remote Sensor 1 Remote Sensor 2 Remote Sensor 3 9 V VV V v 3 VVVVv VV VV v Remote Sensor 4 Remote Sensor 5 Remote Sensor 6 93 V V V V e 3 V V VN Y 3 VV V V J Remote Sensor 7 Remote Sensor 8 Remote Sensor 9 E 3 V V V V 3 VV VN so ZSM ZSM TERMINAL 4 2 Remote Sensor 1 Remote Sensor 2 IVVVVe y VV VV Yv 3 VV V Vv VVVVe ZSM ZSM TERMINAL 1 TERMINAL 2 23 Installation Table 6 Temperature vs resistance Example If the voltage readings of the supply power measured 221 230 and 227 the average volts wou
9. component start up or until the desired start up component Test is started Verify that the heater stage is operating properly Clamp an amp meter around one of 279 stage heater power wires at the heater contactor if applicable Using the Service Test Guide in Table 7 p 31 continue the SERVICE TEST start up procedure for each compressor circuit Momentarily jump across the Test 1 amp Test 2 terminals on LTB one additional time if continuing from previous component start up or until the desired start up component Test is started Verify that the heater stage is operating properly To stop the SERVICE TEST turn the main power disconnect switch to the Off position or proceed to the next component start up procedure 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 amp heating perform these final checks before leaving the unit 34 Program the Night Setback NSB panel if applicable for proper unoccupied operation Refer to the programming instructions for the specific panel Verify that the Remote panel System selection switch Fan selection switch and Zone Temperature settings for automatic operation are correct Inspect the unit for misplaced tools hardware and debris Verify that all exterior panels including the control panel doors and condenser
10. phased correctly the suction pressure should drop and the discharge pressure should rise when the compressor starts and runs If a scroll compressor is rotating backwards it will not pump the suction and discharge pressure will not rise and a loud rattling sound can be observed RT SVX33E EN b If the electrical phasing is incorrect before condemning a compressor interchange any two leads at the compressor Terminal block to check the internal phasing Refer to the following illustration for the compressor terminal phase identification If the compressor runs backward for an extended period not to exceed 5 seconds the compressor will be damaged the motor winding can overheat and cause the motor winding thermostat to open and the oil can turn dark gray Checkthecompressor oil levels The oil level in each compressor sight glass should be visible in the compressor sightglass This only applies to CSHD compressors SSA and SPA compressors don t have sight glasses Note The Copeland SSA and SPA scroll compressors for R 410A units use Trane 00094 The correct Oil for Trane CSHD is Trane OILO0079 OILOOO80 Compressor types are listed in the table below The appropriate oil charge is also listed below 2 After the compressor and condenser fan have started and operated for approximately 30 minutes observe the operating pressures Compare the operating pressures to the operating pressure curve in the Service Facts
11. 5 1 2 5 67 8 41 4 51 4 3 4 4 2 4 5 1 2 5 3 4 8 41 2 51 2 4 4 5 6 51 8 71 8 61 2 91 8 53 4 71 4 5 8 8 8 63 8 83 4 73 8 101 8 7 8 3 4 7 Recheck the belt tension at least twice during the first 2to 3 days of operation Belt tension may decrease until the new belts are run Figure 27 Belt tension gauge Deflection Belt Span in 64 Deflection Belt Span mm 152 Force Scale Small O Ring Belt Span _ tarre Span Scale O Ring Monthly Maintenance 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 Before completing the following checks turn the unit OFF and lockthe main power disconnect switch open Failure to disconnect power before servicing can cause severe personal injury or death 35 Maintenance Filters Inspect the return air filters Clean or replace them if necessary Refer to the unit Service Facts for filter information Condensate Overflow Switch During maintenance the switch float black ring must be checked to ensure free movement up and down Retum Air Smoke Detector Maintenance Airflow through the unit is affected by the amount of dirt and debris accumulated on the indoo
12. Digital Zone Sensor Test 41 Wiring Diagrams 43 Warranty wir bu aa 44 Heat PUMP a bette BAe PLE 44 RT SVX33E EN Model Number Description w s D 1 5 0 E 3 R G B 1 2 3 4 5 6 7 8 9 10 11 12 13 Digit 1 Unit Type Digit 15 Supply Fan Drive Digit 21 Communications W Packaged Cooling Electric Heat Type Motor Options iqi ici 0 Standard Motor 0 Without Communications Digit Efficiency 1 Oversized Motor Options S Standard Efficiency 3 High Efficiency Motor 1 Trane Communications Digit 3 Airflow Configuration 6 Single Zone Variable Air Volume Interface D Downflow Standard Motor 2 Lontalk Communications H Horizontal 7 Multi Speed Standard Motor Interface 8 Single Zone Variable Air Volume 6 Building Automation Control Digit 4 5 6 Nominal Gross Oversized Motor Network Communications Cooling Capacity MBh 9 Multi Speed Oversized Motor Interface 150 12 60Hz u Digit 22 Refrigeration System 155 15 Tons 50Hz Option 180 15 Tons 60Hz P 200 20 50Hz B Multi Speed Standard Motor w 0 Standard refrigeration system 240 201 60H Shaft Ground Ring Diait 23 Refri ti Oris C Single Zone Variable Air Volume 191 etrigeration Digit 7 Major Design Oversized Motor w Shaft Ground Controls Sequence Ring 0 Without Refrigeration Controls D Multi Speed Oversized Mot
13. EE 1 01 FL op ob f f I 1 a sls BAYSENSO75 ERE Fg E pn ASYSTAT669 LL t Minten ii Fotentemeter E OPTION REMOTE SENSOR 00000 0000 OWS J E H 287 T82 Red i 1 4 BAYSENS107 Wie E TEE ATS Q e ZONE SENSOR BAYSTATO23 RUN CUT WIRE JUMPER DJACENT TO TERMINAL 1 ON ZONE SENSOR WHEN OPTIONAL REMOTE SENSOR IS USED BAYSENS119 ASYSTAT666 ZONE SENSOR SIS ASSI REMOTE SENSOR RTRM 1834 5 6 7 B 900 PEH 123456789 I te 38 900 pio OO BAYFRSTOO A C E ID a L pe ee FI Pf L CQ ML o n uos E l mE Z E p IME T DET BAYSENSO75 fi RENOVE FACTORY OO ASYSTAT669 oa ET SUPPLIED JUMPER PtP BAYSENSO73 OPTION REMOTE SENSOR 00009 0000 Supply Duct 27 NC Return Duct ZONE SENSOR 2 TB1 TB2 High L mit Control High Limit Control 5 e BAYSENS109 X1310004001 X1310004002 ICS WITH OVERRIDE AND Q lea ZONE SENSOR CUT WIRE JUMPER DJACENT TO TERMINAL 1 ON ZONE SENSOR WHEN OPTIONAL REMOTE SENSOR IS USED 23456789 q900000000090 i Lg 000 BAYSENS074 ZONE SENSOR ICS WITH SETPOINT OVERRIDE AND CANCELLATION BUTTON RTRM 123456789 10 H 12 w O0000000 0000 TT 1111 ka tiji l BAYSENS075 ETT iai A
14. If concealed damage is discovered notify the carrier s terminal of damage immediately by phone and by mail Concealed damage must be reported within 15 days Request an immediate joint inspection of the damage by the carrier and the consignee Do not remove damaged material from the receiving location Take photos of the damage if possible The owner must provide reasonable evidence that the damage did not occur after delivery Notify the appropriate sales representative before installing or repairing a damaged unit Fiberglass Wool Product contains fiberglass wool Disturbing the insulation in this product during installation maintenance or repair will expose you to airbome particles of glass wool fibers and ceramic fibers known to the state of Califomia to cause cancer through inhalation You MUST wear all necessary Personal Protective Equipment PPE including gloves eye protection mask long sleeves and pants when working with products containing fiberglass wool Exposition to glass wool fibers without all necessary PPE equipment could result in cancer respiratory skin or eye irritation which could result in death or serious injury Precautionary Measures Avoid breathing fiberglass dust Usea NIOSH approved dust mist respirator Avoid contact with the skin or eyes Wear long sleeved loose fitting clothing gloves and eye protection Wash clothes separately from other clothing
15. In addition some states or municipalities may have additional requirements that must also be adhered to for responsible management of refrigerants Know the applicable laws and follow them 2014 Trane All rights reserved A WARNING Personal Protective Equipment PPE Required Installing servicing this unit could result in exposure to electrical mechanical and chemical hazards Before installing servicing this unit technicians MUST put on all PPE required for the work being undertaken Examples cut resistant gloves sleeves butyl gloves safety glasses hard hat bump cap fall protection electrical PPE and arc flash clothing ALWAYS refer to appropriate Material Safety Data Sheets MSDS Safety Data Sheets SDS and OSHA guidelines for proper PPE When working with or around hazardous chemicals ALWAYS refer to the appropriate MSDS SDS and OSHA GHS Global Harmonized System of Classification and Labelling of Chemicals guidelines for information on allowable personal exposure levels proper respiratory protection and handling instructions If there is a risk of energized electrical contact arc or flash technicians MUST put on all PPE in accordance with OSHA NFPA 70 or other country specific requirements for arc flash protection PRIOR to servicing the unit NEVER PERFORM ANY SWITCHING DISCONNECTING OR VOLTAGE TESTING WITHOUT PROPER ELECTRICAL PPE AND ARC FLASH CLOTHING ENSURE ELECTRICAL METERS A
16. Vdc amp 0 75 Vdc Service Failure Measure the voltage between terminals J 6 10 amp J 6 6 Clogged Filter Approximately 32 Normal Less than 1 Vdc approximately 0 75 Vdc Fan Failure voltage alternates between 32 Vdc amp 0 75 Vdc Note If the Condensate Overflow Switch is closed the unit will not operate Check to make sure the float position is in a tripped condition and verify an open between wires connecting to RTOM J 6 1 J 6 2 To use LED s for quick status information at the unit purchase a BAYSENS110 ZSM and connect wires with alligator clamps to terminals 6 through 10 Connect each respective terminal wire 6 through 10 from the Zone Sensor to the unit J 6 terminals 6 through 10 Note If the system is equipped with a programmable zone sensor BAYSENS 119 the LED indicators will not function while the BAYSENS 110 is connected Resetting Cooling and Heating Lockouts Cooling Failures and Heating Lockouts are reset in an identical manner Method 1 explains resetting the system from the space Method 2 explains resetting the system at the unit Note Before resetting Cooling Failures and Heating Lockouts check the Failure Status Diagnostics by the methods previously explained Diagnostics will belost when the power to the unit is disconnected Method 1 To reset the system from the space turn the Mode selection switch at the zone sensor to the Off position After approximately 30
17. amp Fault Detection Diagnostics FDD Options Updated Model Number Description Section Added back Warranty Section RT SVX33E EN 3 Table of Contents Model Number Description 5 General Information 7 Unit Inspection 7 SlOrage xui ea Meee ae es 7 Unit Clearances 7 Unit Description 7 ReliaTel Control 8 System Input Devices amp Functions 8 Zone Sensors 10 Unit Dimensions 11 niEWelgbhbs vor sx aces cee te 17 Installation 2x is ee dara EX Rud 18 Factory Mounted Unit Options 26 Circuit Breaker FIYUCB amp Unit Disconnect FIY UDG cmt vend wA dar edd 26 Powered Unpowered Convenience Outlet 27 Return Air Smoke Detector 28 PresStart za z wu maa ike 31 StartUp 33 Maintenance 35 Troubleshooting 38 ReliaTel Controls 38 System Status Checkout Procedure 38 Resetting Cooling and Heating Lockouts 39 Zone Temperature Sensor ZTS Service Indi e a wayapas as ale Sos Qa a ROS 40 Clogged Filter Switch 40 Fan Failure Switch 40 Condensate Overflow Switch 40 Zone Temperature Sensor ZTS Tests 40 Programmable amp
18. drain pan and the ReliaTel Options Module RTOM When the condensate level reaches the trip point for 6 continuous seconds the RTOM will shut down all unit function until the overflow condition has cleared The unit will return to normal operation after 6 continuous seconds with the COF in a non tripped condition If the condensate level causes the unit to shutdown morethan 2times in a 3 day period theunit will be locked out of operation A manual reset of the diagnostic system through the Zone Sensor or Building Automation System BAS will be required Cycling unit power will also clear the fault Clogged Filter Switch Optional The unit mounted clogged filter switch monitors the pressure differential across the return air filters It is mounted in the filter section and is connected to the RTOM A diagnostic SERVICE signal is sent to the remote panel if the pressure differential across the filters is atleast 0 5 w c The contacts will automatically open when the pressure differential across the filters decreases to approximately 0 4 w c The clogged filter output is energized when the supply fan is operating and the clogged filter switch has been closed foratleast2 minutes RT SVX33E EN The system will continue to operate regardless of the status of the filter switch Please note that on units equipped with factory installed MERV 13 filters a clogged filter switch with different pressure settings will be installed This switc
19. grilles are secured in place Close the main disconnect switch or circuit protector switch that provides the supply power to the unit s terminal block or the unit mounted disconnect switch RT SVX33E EN Maintenance Make sure all personnel are standing clear of the unit before proceeding The system components will start when the power is applied Fan Belt Adjustment Belt Drive Units AWARNING Rotating Components The following procedure involves working with rotating components 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 rotating components cutting and slashing technician which could result in death or serious injury The fan belts must be inspected periodically to assure proper unit operation Replacement is necessary if the belts appear frayed or worn Units with dual belts require a matched set of belts to ensure equal belt length When removing or installing the new belts do not stretch them over the sheaves Loosen the belts using the belt tension adjustment bolts on the motor mounting base Once the new belts are installed using a Browning or Gates tension gauge or equivalent illustrated in Figure 27 p 35 adjust the belt tension as follows 1 determine the appropriate belt deflection a Measure the c
20. section To insure that the unit s supply power wiring is properly sized and installed follow the guidelines outlined below Note All field installed wiring must conform to NEC guidelines as well as State and Local codes Verify that the power supply available is compatible with the unit s nameplate ratings The available supply power must be within 1096 of the rated voltage stamped on the nameplate Use only copper conductors to connect the power supply to the unit Use Copper Conductors Only Unit terminals are not designed to accept other types of conductors Failure to use copper conductors could result in equipment damage 19 Installation Note If theunitis not equipped with an optional factory installed nonfused disconnect switch or circuit breaker a field supplied disconnectswitch must be installed at or near the unit in accordance with the National Electrical Code NEC latest edition Main Unit Power AWARNING 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 state electrical codes Failure to follow code could result in death or serious injury Standard Wiring The electrical service must be protected from over current and s
21. 3 Check system superheat Follow the instruction listed on the superheat charging curve in the Service Facts Superheat should be within 5 F of the superheat chart value Repeat steps 1 through 4 for each refrigerant circuit 5 To stop the SERVICE TEST turn the main power disconnect switch to the Off position or proceed to the next component start up procedure 6 The Copeland SSA and SPA scroll compressors for R 410A units use Trane 00094 The correct Oil for Trane CSHD is Trane 00079 01100080 Compressor types are listed in the following table The appropriate oil charge is also listed below Figure 26 Compressor terminal box Compressor Terminal Block 1 Phase A T2 Phase B T3 Phase C Winding Thermostat Compressor Terminal Box 33 Start Up Table8 Oil charge Model Circuit 1 Circuit 2 WS 150 56 oz 56 oz WS 155 WS 180 56 oz 56 oz WS 200 WS 240 Table 9 112 oz 112 oz Compressor types Tonnage C1 c2 WS 150 554067 554067 WS 155 WS 180 554083 554083 WS 200 WS 240 CSHD125 CSHD125 Heating Start Up 1 Clamp an amp meter around one of 1st stage heater power wires atthe heater contactor Using the Service Test Guide in Table 7 p 31 continue the SERVICE TEST start up procedure for each compressor circuit Momentarily jump across the Test 1 amp Test 2 terminals on LTB one additional timeif continuing from previous
22. Air Sensing and Condensate Drain Pan Overflow Switch Digit 26 System Monitoring Controls 0 NoMonitoring Controls Demand Control Ventilation 02 10 FDD Fault Detection and Diagnostics FDD Fault Detection Diagnostics amp Demand Control Ventilation CO2 10 Digit 27 Unit Hardware Enhancements 0 NoEnhancements 1 Stainless Steel Drain Pan Digit 28 Short Circuit Current Rating 0 Standard SCCR A 65 SCCR Option 12 Digit 31 Advanced Unit Controls 0 Standard Unit Controls 1 Human Interface14 Note Most Factory Installed Options available for Downflow Air Discharge units only Please verify with ordering system for availability Model Number Notes Some field set up required 2 Available factory installed on downflow AND horizontal units Verify with ordering system 3 Through the base electrical option or Horizontal Side Access must be ordered with either unit mounted disconnect or circuit breaker 4 Unit mounted disconnect and circuit breakers are mutually exclusive of each other 5 Mustbe ordered with Through the Base Electrical option or Horizontal Side Access and either Unit Mounted Disconnect or Circuit Breaker 6 ReliaTel Options Module is required when ordering the following accessories Clogged Filter Switch Fan Fail Switch 10 12 13 14 Condensate Overflow Switch Discharge Air Sensing Kit Frostat Ventilation Override Smoke De
23. B FLANGE LONG SIDES 11 2 38 CURB FLANGE SHORT SIDES Duct flanges mount 7 7 16 down inside the curb on the 1 177 curb flanges Roofcurb is intended for downflow use only dimensions are in inches millimeters RT SVX33E EN Unit Dimensions Figure IL Heat pump models 20 tons CLEARANCE 36 914MM CLEARANCE 68 1727 MM A CLEARANCE FROM TOP OF UNIT 72 MM 1829 ROOF t OPENING CLEARANCE 48 1219 f CLEARANCE 60 1524 MM All dimensions are in inches millimeters 15 Unit Dimensions Figure 12 Downflow amp horizontal condensate locations m Downflow d uw Condensate Location M k K N eN 1 R Horizontal E Condensate 5 T Location U U P H R o E N L Y L Y Ey k B H C I lt D Table 1 Unit dimensions Condensate Drain Location Downflow Only Condensate Downflow Horizontal Tons A B G H Drain Size E J E K 12 15 20 26 7 16 28 3 4 19 15 16 41 4 4 1 4 76 5 16 68 11 16 1 26 3 4 5 3 8 Figure 13 Through the base utility locations and access panel swing clearances TOP VIEW SHOWING THROUGH THE BASE ELECTRICAL UTILITY LOCATIONS AND ACCESS PANEL SWING CLEARANCES SWING RADIUS C OD SECTION ACCESS PANEL
24. 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 itwill shutthe unit operations down Condensate Overflow Switch When the condensate overflow switch is closed a drain pan overflow condition is indicated and it will shut unit operations down Zone Temperature Sensor ZTS Tests Note These procedures are not for programmable or digital models and are conducted with the Zone Sensor Module electrically removed from the system Test 1 Zone Temperature Thermistor ZTEMP This component is tested by measuring the resistance between terminals 1 and 2 on the Zone Temperature Sensor Below are sometypical indoor temperatures and corresponding resistive values 40 Nominal ZTEMP Nominal CSP or Zone Temperature Resistance HSP Resistance 50 F 10 0 C 19 9 K Ohms 889 Ohms 55 F 12 8 C 17 47 K Ohms 812 Ohms 60 F 15 6 C 15 3 K Ohms 695 Ohms 65 F 18 3 C 13 49 K Ohms 597 Ohms 70 F 21 1 C 11 9 K Ohms 500 Ohms 75 F 23 9 C 10 50 K Ohms 403 Ohms 80 F 26 7 C 9 3 K Ohms 305 Ohms 85 F 29 4 C 8 25 K Ohms 208 Ohms 90 F 32 2 C 7 3 K Ohms 110 Ohms Test 2 Cooling Set Point CSP and Heating Set Point HSP The resistance of these potentiometers are measured between the following ZSM terminals Refer to the chart above for approximate resistances at the given setpoints Cool SP T
25. ND EQUIPMENT ARE PROPERLY RATED FOR INTENDED VOLTAGE Failure to follow instructions could result in death or serious injury A 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 Failure to follow code could result in death or serious injury RT SVX33E EN Wamings Cautions and Notices Overview of Manual Note One copy ofthis documentships insidethe control panel of each unitand 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 By carefully reviewing the information within this manual and following the instructions the risk of improper operation and or component damage will be minimized Itis importantthat periodic maintenance be performed to help assure trouble free operation A maintenance schedule is provided at the end of this manual Should equipment failure occur contact a qualified service organization with qualified experienced HVAC technicians to properly diagnose and repair this equipment Revision Summary RT SVX33E EN 27 May 2014 New Low Leak Economizer
26. OR SMOKE DETECTOR INTERFACE TO UNIT SEE UNIT DIAGRAMS FOR BALANCE OF WIRING LEGEND PPF22 PPM22 RETURN AIR SMOKE DETECTOR PLUG PPF23 PPM23 SUPPLY AIR SMOKE DETECTOR PLUG RETURN AIR SMOKE DETECTOR SUPPLY AIR SMOKE DETECTOR RELIATEL OPTIONS MODULE SMOKE DETECTOR TO RTOM BOARD FORM NO 2309 3193 01 A 30 RT SVX33E EN Pre Start Test Modes There are three methods in which the Test mode can be at LTB Test 1 and LTB Test 2 resistance value is placed across the two test terminals Theunit will remain in the specifictest mode for approximately one hour even though the resistance is left on the test terminals 1 Step Test Mode This method initiates the different Auto Test Mode This method is not recommended for components of the unit one at a time by temporarily start up due to the short timing between individual shorting across the two test terminals for two to three component steps This method initiates the different seconds components of the unit one ata time when a jumper For the initial start up of the unit this method allows is installed across the test terminals The unit will start the technician to cycle a component On and have up the first test step and change to the next step every 30 to one hour to complete the check seconds Atthe end of thetest mode control oftheunit 2 Resistance Test Mode This method can be used for will automatical
27. SYSTAT669 Perea SL L OPTION SENSOR 00000 O 66 G9 L2 71781 TB2 Olu BAYSENS109 ZONE SENSOR e CUT WIRE JUMPER ADJACENT TO TERMINAL 1 ON ZONE SENSOR WHEN OPTIONAL REMOTE SENSOR IS USED EMERGENCY STOP FIELD SUPPLIED EMERGENCY STOP DEVICE NC REMOVE FACTORY SUPPLIED JUMPER CONIROL 8 OX O pess ssssg ess seg TILTI P oo RIR jE E 24 oed 8 9 10 11 12 14 QUO O 22 LTB 15 Be 3N 54 55 56 RT SVX33E EN Space Temperature Averaging Spacetemperature averaging is accomplished by wiring a number of remote sensors in a series parallel circuit Using the 5016 or BAYSENSO75 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 The square of Figure 19 Space temperature averaging examples EXAMPLE 1 ZSM REMOTE SENSORS 1 2 3 4 91 ga ey re 97115 2119 9 j 2 EXAMPLE 2 ZSM REMOTE SENSORS 1 2 3 On 1 T
28. UNIT POWER WIRE All dimensions are in inches millimeters Figure3 Heat pump models 127 15 tons CLEARANCE 48 1219 MM CLEARANCE 60 1524 MM ILTER ACCESS DOOR ORIZONTAL UNITS ONLY HORIZONTAL 26127 we CONDENSATE DRAIN 673 CONNECTION 4 CLEARANCE 18 457 MM Q 1 0 IN NPT 27 9 16 700 3 15 16 CLEARANCE 38 965 MM gt e MM 24 1 16 611 MM 51 dimensions inches millimeters 12 RT SVX33E EN Figure 4 Heat pump models 127 15 tons CLEARANCE 36 14 MM UNIT OUTLINE cU 1727 MM lt ES CLEARANCE FROM TOP OF UNIT 72 MM 1829 MM ROOF 4 OPENING N a CLEARANCE 48 T 1219 2057 gt lt 4 Z CLEARANCE 60 1524 MM All dimensions are in inches millimeters Figure 6 Heat pump models 127 15 tons 1 13 16 1 1 2 38 MM PERIMETER CURB FLANGE 80 5 8 2048 MM 14 1 16 357 MM 117 3 16 2977 MM dimensions are in inches millimeters RT SVX33E EN 116 7 8 Unit Dimensions Figure 5 Heat pump models 127 15 tons 1 25 MM 19 5 16 491 gt lt 73 7 16 ZA 1865 MM 254MM CURB FLANGE LONG SIDES 112 38 MM CURB FLANGE SHORT SIDES Duct flanges mount 7 7 16 down inside the curb on the 1 177 curb f
29. WS 180 300 60HZ Heat Pump with or without Electric Heat onnections Note Downflow and horizontal airflow RT SVX33E EN 43 Warranty Heat Pump WSD WSH Parts Only Models Less Than or Equal to 20 Tons for Commercial Use This warranty is extended by Trane to the original purchaser and to any succeeding owner of the real property to which the Heat Pump is originally affixed and applies to products purchased and retained for use within the U S A and Canada There is no warranty against corrosion erosion or deterioration If any part of your Heat Pump fails because of a manufacturing defect within one year from initial start up or 18 months from date of shipment whichever is lesser Warrantor will furnish without charge the required replacement part In addition if the sealed motor compressor fails because of a manufacturing defect within the second through fifth year from the date of original purchase Warrantor will furnish without charge the required replacement compressor Warrantor s obligations and liabilities under this warranty are limited to furnishing EO B Warrantor factory or warehouse replacement parts for Warrantor s products covered under this warranty Warrantor shall not be obligated to pay for the cost of lost refrigerant No liability shall attach to Warrantor until products have been paid for and then liability shall be limited solely to the purchase price of the equipment under warranty shown to b
30. YPE FLQ 5 0 AMP ELECTRIC HEAT SEE DIAGRAM LEGEND DETAILS DEVICE LINE DESIGNATION DESCRIPTION NUMBER w w w 1 HI VOLTAGE TERMINAL BLOCK 16 RD BL BK RT RECEPTACLE TERMINAL BLOCK 8 SR SERVICE RECEPTACLE GFC1 16 SRD SERVICE RECEPTACLE DISCONNECT 4 9 2 TNS4 SERVICE RECEPTACLE XFMR 12 1 UCB UNIT CIRCUIT BREAKER 8 UDC UNIT DISCONNECT 8 PPF PPM25 SERVIVE RECEPTACLE PLUG 14 INSET B UNITS W OPTIONAL UNPOWERED Grci NOTES 1 UNLESS OTHERWISE NOTED ALL SWITCHES ARE SHOWN AT 2520 777F AT ATMOSPHERIC PRESSURE ES AT 50 RELATIVE HUMIDITY WITH ALL UTILITIES SR TURNED OFF AND AFTER NORMAL SHUTDOWN HAS OCCURED Doa 2 DASHED LINES INDICATE RECOMMENDED FIELD WIRING BY OTHERS DASHED LINE ENCLOSURES AND OR DASHED 15 AMP ide PREIS INDICATE COMPONENTS PROVIDED BY ANTOM LINE ENCLOSURES INDICATE 120V 77 ALTERNATE CIRCUITRY OR AVAILABLE SALES OPTIONS 3 NUMBERS ALONG THE RIGHT SIDE OF THE SCHEMATIC DESIGNATE THE LOCATION OF CONTACTS BY LINE NUMBER INSET C AN UNDERLINED NUMBER INDICATES NORMALLY CLOSED 404B RD 405B BL 4 CONNECTIONS SHOWN ARE FOR 230V 60HZ 3PH asov C WHEN WHEN 208V 60HZ 3PH_UNIT PERATION RD BL IS REQUIRED REMOVE WIRE 405B BL FROM TERMINAL B ON TERMINAL BLOCK AND CONNECT WIRE 407A BR TO TERMINAL B AR lt 5 CONNECTIONS SHOWN ARE FOR 230V 60HZ 3PH MEUS 158v WHEN 460V 60HZ 3PH UNIT OPERAT ON TNS4 BK 15 REQUIRED SEE INSET
31. acity and peak operating efficiency Providing less than the recommended clearances may result in condenser coil starvation short circuiting of exhaust and economizer airflows or recirculation of hot condenser air Unit Description Before shipment each unit is leak tested dehydrated charged with refrigerant and compressor oil and run tested for proper control operation The condenser coils are aluminum fin mechanically bonded to copper tubing Direct drive vertical discharge condenser fans are provided with built in thermal overload protection The ReliaTel Control M odule is a microelectronic control system that is referred to as Refrigeration Module RTRM The acronym RTRM is used extensively throughout this document when referring to the control system network This module through Proportional Integral control algorithms perform specific unit functions that governs unitoperation in response to zone temperature supply air 7 General Information temperature and or humidity conditions depending on the application The stages of capacity control for these units are achieved by starting and stopping the compressors The RTRM is mounted in the control panel and is factory wired to the respective internal components The RTRM receives and interprets information from other unit modules sensors remote panels and customer binary contacts to satisfy the applicable request for cooling ReliaTel Contro
32. an on the ZSM is defective Table 12 System mode and fan selection chart Resistance Zone Sensor Local Unit Local Fan Valves Ohms Unit Fan Mode Mode Mode 2 32K Off Auto Off Auto 4 87K Cool Auto Cool Auto 7 68K Auto Auto Auto Auto 10 77K Off On Off On 13 32K Cool On Cool On 16 13K Auto On Auto On 19 48K Heat Auto Heat Auto 27 93K Heat On Heat On 35 0K Emergency Heat Emergency Auto Auto Heat RT SVX33E EN Troubleshooting Table 12 System mode and fan selection chart Resistance Zone Sensor Local Unit Local Fan Valves Ohms Unit Fan Mode Mode Mode 43 45K Se Heat Emergency On n Heat Out of Range Invalid CV Short INVALID Short Auto VAV Invalid Out of Range Invalid CV Off Open INVALI D Open VAV Invalid ReliaTel Refrigeration Module RTRM Default Chart If the RTCI loses input from the building management system the RTRM will control in the default mode after approximately 15 minutes If the RTRM loses the Heating and Cooling setpoint input the RTRM will control in the default mode instantaneously The temperature sensing thermistor in the Zone Sensor Module is the only component required for the Default M ode to operate Unit Operation without a Zone Sensor This procedure is for temporary operation only The economizer and condenser fan cycling functions are disabled Hazardous Voltage Disconnect all electric power in
33. ble may start at random and the supply fan will start when the SERVICE TEST is initiated The Exhaust Fan will start anytime the economizer damper position is equal to or greater than the exhaust fan setpoint Verify that the dampers stroked to the minimum position Momentarily jump across the Test 1 amp Test 2 terminals on LTB one additional time if continuing from previous component start up or until the desired start up component Test is started Verify that the dampers stroked to the full open position To stop the SERVICE TEST turn the main power disconnect switch to the Off position or proceed to the next component start up procedure Remove electro mechanical test mode connections if applicable Compressor Start Up 1 Attach set of service gauges onto the suction and discharge gauge ports for each circuit Refer to the refrigerant circuit illustration in the Service Facts Using the Service Test Guide in Table 7 p 31 continue the SERVICE TEST start up procedure for each compressor circuit Momentarily jump across the Test 1 amp Test 2 terminals on LTB1 one additional time if continuing from previous component start up or until the desired start up component Test is started Scroll Compressors a Once each compressor has started verify that the rotation is correct To check rotation use a set of refrigeration gauges hooked up to the suction and discharge pressure port If the compressor is
34. cluding 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 Open and Lock the unit disconnect switch 2 Remove the Outside Air Sensor OAS from the condenser section of unit 3 Usetwo 2 wire nuts to individually cap the wires 4 Locate the RTRM J 6 Connect two 2 wires to terminals J 6 1 and 2 5 Connectthe sensor OAS using two wire nuts to the two 2 field supplied wires that were connected to terminals 1 and 2 on J 6 41 Troubleshooting Unit Economizer Control ECA Troubleshooting Table 13 Verify economizer status by economizer actuator ECA LED indicator OFF No Power or Failure ON Normal OK to Economize Slow Flash Normal Not OK to Economize 1 2 Second On 2 Seconds Off Fast Flash Error Code Communications Failure Pulse Flash 2 Second On 1 2 Second Off Error Code 1 Flash Actuator Fault 2 Flashes CO2 Sensor 3 Flashes RA Humidity Sensor 4 Flashes RA Temp Sensor 5 Flashes OA Quality Sensor 6 Flashes OA Humidity Sensor 7 Flashes OA Temp Sensor 8 Flashes MA Temp Sensor 9 Flashes RAM Fault 10 Flashes ROM Fault 11 Flashes EEPROM Fault 42 RT SVX33E EN Wiring Diagrams Note Wiring diagrams can be accessed via e Library by entering the diagram numbe
35. ct the copper exhaust elbow to the smoke detector exhaust tube 8 Connect the leg of the plastic elbow without the vinyl tubing attached that was installed in Step 5 to the smoke detector inlet tube pushing it onto the piece of vinyl tubing attached to the inlet tube 9 Referto Figure 25 p 30 for wire connections of return air smoke detector to the unit wiring harness 10 This completes the installation of the return air smoke detector Ifthe unit s airfilter s and or barometric relief filter were removed to ease installation of the smoke detector they need to be replaced at this time Airflow amp Sampling Refer to the instructions provided below regarding unit airflow to assure that the return air smoke detector will function properly Important Thereturn air smoke detector is designed to shut off the unit if smoke is sensed in the return air stream This function is performed by sampling the airflow entering the unitatthe return air opening Follow the instructions provided below to assure that the airflow through the unit is sufficient for adequate sampling Failure to follow these instructions will preventthe smoke detector from performing its design function 29 Factory Mounted Unit Options In orderforthe return air smoke detectorto properly sense smokein the return air stream the air velocity entering the Figure 25 Smoke detector wiring scheme unit must be between 500 and 4000 feet per minute MIRING
36. ction and perform the operations described there After this is completed the economizer installation is to be completed in its entirety as outlined in the installation guide Smoke Detector Installation Important The shipping screw that holds the barometric relief damper must be removed before proceeding with the smoke detector installation After completion of the economizer installation as outlined above proceed with the installation of the return air smoke detector as follows 28 A WARNING Hazardous Voltage w Capacitors Disconnect all electric power including remote disconnects and discharge all motor start run capacitors before servicing Follow proper lockout tagout procedures to ensure the power cannot be inadvertently energized Verify with an appropriate voltmeter that all capacitors have discharged Failure to disconnect power and discharge capacitors before servicing could result in death or serious injury For additional information regarding the safe discharge of capacitors see PROD SVBO6A EN A 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 Failure to follow code could result in death or seriou
37. ctrical option Main power entrance for units with factory mounted disconnect or circuit breaker amp GFCI convenience outlet Main power entrance for units with resistance heat Main power entrance for all units without resistance heat Connect conduit at the control panel Field Installed Control Wiring An overall layout of the various control options available with the required number of conductors for each control device is illustrated in Figure 18 p 22 Note All field wiring must conform to NEC guidelines as well as state and local codes Control Power Transformer The 24 volt control power transformers are to be used only with the accessories called out in this manual Transformers rated greater than 50 Vac are equipped with internal circuit breakers If a circuit breaker trips turn Off all power to the unit before attempting to reset it 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 The transformer is located in the control panel The circuit breaker is located on the left side of the transformer and can be reset by pressing in on the black reset button Controls Using 24 VAC Before installing any connecting wiring refer to Unit Dimensions p 11 f
38. d heater nameplate Inspect the heater junction box and control panel tighten any loose connections e Check electric heat circuits for continuity Condensate Drain Configuration An evaporator condensate drain connection is provided on each unit Refer to Unit Dimensions p 11 for the appropriate drain location A condensate trap must be installed atthe unit due to the drain connection being on the negative pressure side of thefan Install the P Trap using the guidelines in Figure 15 p 19 A condensate drain line must be connected to the P Trap Pitch the drain lines at least 1 2 inch for every 10 feet of horizontal run to assure proper condensate flow Do not allow the horizontal run to sag causing a possible double trap condition which could result in condensate backup due to air lock Figure 15 Condensate trap installation Panel Enclosure Ineh Female Connection A Static Pressure Drain Pan 1 5 Inches Cox 1 5 Inches J Cleanow J Plug Filter Installation Each unitships with 2 inch filters installed The quantity of filters is determined by unit size Access to the filters is obtained by removing the indoor fan access panel If included filters are removed by pulling the filter removal tool Refer to the unit Service Facts shipped with each unit for filter requirements Note Do no
39. dition could damage compressor bearings due to reduced lubrication and could cause compressor mechanical failures Before starting the unit in the Cooling mode set the system switch to the Off position and turn the main power disconnect to the On position and allow the crankcase heater to operate a minimum of 8 hours Before closing the main power disconnect switch insure thatthe System selection switch is in the Off position and the Fan selection switch is in the Auto position Close the main power disconnect switch and the unit mounted disconnect switch if applicable ReliaTel Controls Upon power initialization the RTRM performs self diagnostic checks to insure that all internal controls are functional It also checks the configuration parameters against the components connected to the system The Liteport LED located on the RTRM module is turned On within one second of power up if internal operation is okay Useoneofthefollowing Test procedure to bypass some time delays and to start the unit at the control panel Each step of unit operation can be activated individually by temporarily shorting across the Test terminals for two to three seconds The Liteport LED located on the RTRM module will blink when the test mode has been initiated The unit can be left in any Test step for up to one hour before it will automatically terminate or it can be terminated by opening the main power disconnect swi
40. e monitors the supply fan proving clogged filter supply air temperature exhaust fan setpoint supply air tempering Frostat and smoke detector Refer to system input devices and functions for operation System Input Devices amp Functions The must have a zone sensor or thermostat order to operate the unit The flexibility of having several mode capabilities depends upon thetypeofzonesensoror thermostat selected to interface with the RTRM The descriptions of the following basic Input Devices used within the RTRM networkare to acquaintthe operator with their function as they interface with the various modules Refer to the unit s electrical schematics for the specific module connections The following Controls are Available from the Factory for Field Installation Supply Fan Failure Input Optional The Fan Failure Switch can be connected to sense indoor fan operation FFS Fan Failure Switch If air flow through the unit is not proven by the differential pressure switch connected to the RTOM factory set point 0 07 w c within 40 seconds nominally the RTRM will shut off all mechanical operations lock the system out send a diagnostic to ICS and the SERVICE output will flash The system will remain locked out until a reset is initiated either manually or through ICS Drain Pan Condensate Overflow Switch Optional This input incorporates the Condensate Overflow Switch COF mounted on the
41. e defective THE WARRANTY AND LIABILITY SET FORTH HEREIN ARE IN LIEU OF ALL OTHER WARRANTIES AND LIABILITIES WHETHER IN CONTRACT OR IN NEGLIGENCE EXPRESS OR IMPLIED IN LAW OR IN FACT INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR USE AND IN NO EVENT SHALL WARRANTOR BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state Trane 2701 Wilma Rudolph Blvd Clarksville TN 37040 1008 Attention Manager Product Service GW 604 4800 This warranty is for commercial usage of said equipment and not applicable when the equipment is used for a 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 providedforthe optional Low Leak Economizer when combined with the optional FDD Fault Detection amp Diagnostics option 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 portfoli
42. eaker or disconnect panel The holeis sized for 1 1 2 conduit Horizontal units will usethe front plate located directly under the circuit breaker panel Pr 2 If the conduit required for your application is larger remove the termination plate and connect the larger hole using field supplied reducing washers 3 Route the power wires and ground conductor through conduit and into the bottom of the factory installed disconnect switch or circuit breaker Connect the power conductors to the lugs provided Connect the ground wire to the unit ground lug Note Wire size for the length of run should be determined using the circuitampacity found on the unit nameplate and the N E C 4 Route low voltage class II control wiring through hole in base of unit but not through high voltage conduit Feed control wiring through bushing provided on side panel and into the flexible conduit provided in the heat section of the unit Figure 20 Route wires through loose wire ties provided in unit as Figure 20 5 Tighten the wire ties Secure the excess wire bundle under the wire ties in the outdoor section Do not leave excess wire in the electrical enclosure Use the unit wiring diagram to make the low voltage connections Figure 20 Main power entrance for units with factory mounted disconnect or circuit breaker Main power entrance for units with factory mounted disconnect or circuit breaker RT SVX33E EN Factory Moun
43. eave counterclockwise Ifthe required CFM is too high external static pressure is low causing motor HP output to be above table value change indoor fan speed and repeat steps land 2 To stop the SERVICE TEST turn the main power disconnect switch to the Off position or proceed to the next component start up procedure Remove electro mechanical test mode connections if applicable 32 Retum Air Smoke Detector The return air smoke detector is designed to shut off the unit if smoke is sensed in the return air stream Sampling the airflow entering the unit at the return air opening performs this function In order for the smoke detector to properly sense smokein the return air stream the air velocity entering the unit must be between 500 and 4000 feet per minute Equipment covered in this manual will develop an airflow velocity that falls within these limits over the entire airflow range specified in the evaporator fan performance tables RT SVX33E EN Start Up Economizer Start Up Using theServiceTestGuide in Table 7 p 31 momentarily jump across the Test 1 amp Test 2 terminals on LTB1 onetime to start the Minimum Ventilation Test 1 Set the minimum position setpoint for the economizer to the required percentage of minimum ventilation using the setpoint potentiometer located on the Economizer Control Actuator ECA The economizer will drive to its minimum position setpoint exhaust fans if applica
44. enter to center shaft distance in inches between the fan and motor sheaves b Dividethe distance measured in Step 1a by 64 the resulting value represents the amount of belt deflection that corresponds to the proper belt tension 2 Setthe large O ring on the belt tension gauge at the deflection value determined in Step 1b 3 Setthe small O ring at zero on the force scale of the gauge plunger 4 Placethelarge end ofthe gauge atthe center of the belt span then depress the gauge plunger until the large O ring is even with the top of the next belt or even with a straightedge placed across the fan and motor sheaves Refer to Figure 27 p 35 5 Remove the belt tension gauge The small O ring now indicates a number other than zero on the plunger s force scale This number represents the force in pounds required to give the needed deflection 6 Compare the force scale reading Step 5 with the appropriate force valuelisted in Table 10 p 35 Ifthe force reading is outside the range readjustthe belt tension RT SVX33E EN Note Actual belt deflection force must not exceed the maximum force value shown in Table 10 p 35 Table 10 Belt tension measurement and deflection ranges Deflection Force Lbs Super Steel Cable sisi psy Gripbelts Gripnotch Gripbelts Section Range Min Min Min 3 0 3 6 3 41 2 37 8 51 2 31 4 4 3 8 4 8 31 2 5 41 2 61 4133 4 43 4 5 0 7 0 4
45. erminals 2 and 3 Range 100 to 900 Ohms approximate Heat SP Terminals 2 and 5 Range 100 to 900 Ohms approximate Test 3 System Mode and Fan Selection Thecombined resistance ofthe Mode selection switch and the Fan selection switch can be measured between terminals 2and 4onthe Zone Sensor The possible switch combinations are listed on the following page with their corresponding resistance values Test 4 LED Indicator Test SYS ON HEAT COOL amp SERVICE Method 1 Testing the LED using ameter with diodetestfunction Test both forward and reverse bias Forward bias should measure a voltage drop of 15 to 2 5 volts depending on your meter Reverse bias will show an over Load or open circuit indication if LED is functional Method 2 Testing the LED with an analog Ohmmeter Connect Ohmmeter across LED in one direction then reverse the leads for the opposite direction The LED should have at least 100 times more resistance in reverse direction as compared with the forward direction If high resistance in both directions LED is open If low in both directions LED is shorted Method 3 To test LED s with ZSM connected to unit test voltages at LED terminals on 25 measurement of 32 VDC across an unlit LED means the LED has failed RT SVX33E EN Note Measurements should LED common ZSM terminal 6to respective LED terminal Refer to the Zone Sensor Module ZSM Terminal Identification table at t
46. evaporator coil Theindoorfan speed is changed by opening or closing the adjustable motor sheave Before starting the SERVICE TEST set the minimum position setpointforthe economizerto 0 percent using the setpoint potentiometer located on the Economizer Control ECA if applicable ReliaTel Control Using the Service Test Guide in Table 7 p 31 momentarily jump across the Test 1 amp Test 2 terminals on LTB1 onetime to start the Minimum Ventilation Test Once the supply fan has started check for proper rotation The direction of rotation is indicated by an arrow on the fan housing With the fan operating properly determine the total system airflow CFM by 1 Measuring the actual RPM 2 Measure the amperage atthe supply fan contactor and compare it with the full load amp FLA rating stamped on the motor nameplate a Calculate the theoretical BHP Actual Motor Amps X Motor HP Motor Nameplate Amps b Using thefan performance tables in the unit Service Facts plotthe actual RPM step 1 and the BHP step 2a to obtain the operating CFM 3 If the required CFM is too low external static pressure is high causing motor HP output to be below table value a Relieve supply and or return duct static b Change indoor fan speed and repeat steps 1 and 2 Tolncrease Fan RPM Loosen the pulley adjustmentset screw and turn sheave clockwise To Decrease Fan RPM Loosen the pulley adjustment set screw and turn sh
47. failure is indicated recheck Steps 1 and 2 If the LED is not lit in Step 1 and 24 VAC is present in Step 2 the RTRM has failed Replace the RTRM 5 If no failures are indicated use one of the TEST mode procedures described in the UnitStart U p section to 38 start the unit This procedure will allow you to check all of the RTRM outputs and all of the external controls relays contactors etc that the RTRM outputs energize for each respective mode Proceed to Step 6 6 Step the system through all of the available modes and verify operation of all outputs controls and modes If a problem in operation is noted in any mode you may leave the system in that mode for up to one hour while troubleshooting Refer to the sequence of operations for each mode to assist verifying proper operation Make the necessary repairs and proceed to Steps 7 and 8 7 Ifno abnormal operating conditions appear in the test mode exitthe test mode by turning the power Off at the main power disconnect switch 8 Refer to the individual component test procedures if other microelectronic components are suspect System Status Checkout Procedure System Status is checked by using one ofthe following two methods Method 1 If the Zone Sensor Module ZSM is equipped with a remote panel with LED status indication you can checkthe unit within the space If the ZSM does have LED s use Method 2 BAYSENS110 and BAYSENS 119 all ha
48. h will close when the differential pressure is approximately 0 8 w c and open when the differential falls to 0 7 w c Compressor Disable 2 This input incorporates the low pressure control LPC of each refrigeration circuit and can be activated by opening a field supplied contact installed on the LTB If this circuit is open before the compressor is started the compressor will not be allowed to operate Anytime this circuit is opened for 1 continuous second during compressor operation the compressor for that circuit is immediately turned Off The compressor will not be allowed to restart for a minimum of 3 minutes should the contacts close If four consecutive open conditions occur during the first three minutes of operation the compressor for that circuit will be locked out a diagnostic communicated to the remote panel if installed and a manual reset will be required to restart the compressor Low Pressure Control ReliaTel Control When the LPC is opened for 1 continuous second the compressor for that circuit is turned off immediately The compressor will not be allowed to restart for a minimum of 3 minutes If four consecutive open conditions occur during the first three minutes of operation the compressor will be locked out a diagnostic communicated to ICS if applicable and a manual reset will be required to restart the compressor High Pressure Control Optional ReliaTel Control The high p
49. he beginning of this section Programmable amp Digital Zone Sensor Test Testing Serial Communication Voltage Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury 1 Verify 24 Vac is present between terminals J 6 14 amp J 6 1L 2 Disconnect wires from J 6 11 and J 6 12 Measure the voltage between J 6 11 and J 6 12 itshould be about 32 Vdc 3 Reconnectwiresto terminals 6 11 6 12 Measure voltage again between J 6 11 6 12 voltage should flash high and low every 0 5 seconds The voltage on the low end will measure about 19 while the voltage on the high end will measure from approximately 24 to 38 Vdc 4 Verify all modes of operation by running the unit through all of the steps in the Test Modes section discussed in Unit Start Up 5 After verifying proper unit operation exit the test mode Turn the fan on continuously at the ZSM by pressing the button with the fan symbol If the fan comes on and runs continuously the ZSM is good If you are not able to turn the f
50. he tank pressure during removal of refrigerant from cylinders use only warm water or heat blankets to raise the tank temperature Do not exceed a temperature of 150 Do not under any circumstances apply direct flame to any portion of the cylinder Failure to follow these safety precautions could result in a sudden rise of pressure possibly resulting in a violent explosion which could result in death or serious injury Do not heat the detergent and water solution above 150 F Hot liquids sprayed on the exterior of the coil will raise the coil s internal pressure and may cause it to burst Failure to follow proper procedures can result in personal illness or injury or severe equipment damage 5 Pour the cleaning solution into the sprayer If a high pressure sprayer is used a do not allow sprayer pressure to exceed 600 psi b the minimum nozzle spray angle is 15 degrees c maintain a minimum clearance of 6 between the sprayer nozzle and the coil d spray the solution perpendicular at 90 degrees to the coil face 6 Spray the leaving airflow side of the coil first then spray the opposite side of the coil Allow the cleaning solution to stand on the coil for five minutes 7 Rinse both sides of the coil with cool clean water Table IL Sample maintenance log Maintenance 8 Inspect both sides of the coil if it still appears to be dirty repeat Steps 6 and 7 9 Reinstall all ofthe components and panels removed
51. hecks and maintenance procedures must be performed on the smoke detector to insure that it will function properly For detailed instructions concerning these checks and procedures refer to the appropriate section s of the smoke detector Installation and Maintenance Instructions provided with the literature package for this unit In order for the supply air smoke detector or return air smoke detector to properly sense smoke in the supply air General Information stream or return air stream the air velocity entering the smoke detector unit must be between 500 and 4000 feet per minute Equipment covered in this manual will develop an airflow velocity that falls within these limits over the entire airflow range specified in the evaporator fan performance tables Zone Sensors Note Zone sensor required for units configured for Single Zone VAV indoor fan system control to enable Single Zone VAV functionality Zone Sensor Module ZSM BAYSENS107 This electronic sensor features three system switch settings Heat Cool and Off and two fan settings On and Auto Itis a manual changeover control with single setpoint Cooling Setpoint Only Zone Sensor BAYSENS 109 This electronicsensor features four system switch settings Heat Cool Auto and Off and two fan settings On and Auto with four system status LED s Itis a manual or auto changeover control with dual setpoint capability It can be used with a remote zone temperatu
52. hort circuit conditions in accordance with NEC requirements Protection devices must be sized according to the electrical data on the nameplate L If the unit is not equipped with an optional factory installed nonfused disconnect switch or circuit breaker a field supplied disconnect switch must be installed at or near the unit in accordance with the National Electrical Code NEC latest edition 2 Location of the applicable electrical service entrance is illustrated in the Unit Dimensions section Complete the unit s power wiring connections onto either the main terminal block HTB1insidethe unitcontrol panel the factory mounted nonfused disconnect switch UCD or circuit breaker UCB or the electric heat terminal block Refer to the customer connection diagram that shipped with the unit for specific termination points 3 Provide proper grounding for the unit in accordance with local and national codes Optional TBUE Wiring Through the Base Electrical Option 1 Location of the applicable electrical service is illustrated in the following illustration Refer to the customer connection diagram thatis shipped with the unit for specific termination points The termination points depending on the customer option selected would be a factory mounted nonfused disconnect switch UDC or circuit breaker UCB 2 Provide proper grounding for the unit in accordance with local and national codes 20 Figure 16 Through the base ele
53. ied licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety wamings provided could result in death or serious injury ReliaTel Controls The RTRM has the ability to provide the service personnel with someunitdiagnostics and system status information Before turning the main power disconnect switch Off follow the steps below to check the ReliaTel Refrigeration Module RTRM diagnostics amp system status information stored in the RTRM will belostwhen the main power is turned Off To prevent injury or death from electrocution it is the responsibility of the technician to recognize this hazard and use extreme care when performing service procedures with the electrical power energized 1 Verify that the Liteport LED on the RTRM is burning continuously If the LED is lit go to Step 3 2 Ifthe LED is not lit verify that 24 VAC is presence between J 1 1 and J 1 2 If 24 is present proceed to Step 3 If 24 Vac is not present check the unit main power supply check transformer TNS1 Proceed to Step 3 if necessary 3 Utilizing Method 1 or Method 2 in the System Status Checkout Procedure section check the following System status Heating status Cooling status If a System failure is indicated proceed to Step 4 If no failures are indicated proceed to Step 5 4 If a System
54. in Step 1 and any protective covers installed in step 2 10 Restore the unit to it s operational status and check system operation Final Process For future reference you may find it helpful to record the unit data requested below in the blanks provided 1 Complete Unit Model Number 2 Unit Serial Number 3 Wiring Diagram Numbers from unit control panel schematic s connection s Refrigerant Circuit 1 Refrigerant Circuit 2 Current Compr Oil Suction Disehcharge Super heat Sub cool Oil Suction Dischcharge Super heat Sub cool Date Ambient Level Pressure Pressure F C Level Pressure F C F C temp F C Psig kPa Psig kpa Psig kPa Psig kpa RT SVX33E EN 37 Troubleshooting Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards Always refer to the safety wamings provided throughout this manual conceming these procedures Unless specified otherwise disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualif
55. ith the elbow attached approximately 1 onto the end of the copper sampling tube installed in the unit s return air opening Position the leg of elbow without the vinyl tubing such that it points toward the front side of the unit directly out of the unit toward the filter access panel 6 Mount the smoke detector assembly into the unit Align the smoke detector exhaust tube down with the holes in the outer panel of the barometric relief hood and position the smoke detector flush on the panel Note On all units there is a hole with a plastic snap bushing located on the inner vertical side of the barometric relief hood that the long exhaust tube must pass through Be sure that the exhaust tube 15 aligned with this hole before positioning the smoke detector flush on the outer panel of the barometric relief hood 7 Secure the smoke detector to the hood with two 10 16 x 3 4 sheet metal screws provided Note In order to perform the last part of this operation it will be necessary to remove the barometric relief RT SVX33E EN 2 INCHES LONG Factory Mounted Unit Options TWO PIECE HOOD METAL INTAKE TUBE RE lt IG SMOKE DETECTOR i 4 l METAL EXHAUST TUBE 16 34 INCHES LONG TUBES INSTALL FROM BOTTOM TOP DOES NOT NEED TO B REMOVED FROM SMOKE DETECTOR filter open the barometric relief damper and reach inside through the barometric relief outlet to access and conne
56. l Economizer Control Actuator The ECA monitors the mixed air temperature return air temperature minimum position setpoint local or remote power exhaust setpoint CO2 setpoint CO2 and ambient dry bulb enthalpy sensor or comparative humidity return air humidity against ambient humidity sensors if selected to control dampers to an accuracy of 5 of stroke The actuator is spring returned to the closed position any time that power is lost to the unit It is capable of delivering up to 25 inch pounds of torque and is powered by 24 Vac RTCI ReliaTel Trane Communication Interface Optional This moduleis used when the application calls ICS building management type control system It allows the control and monitoring of the system through an ICS panel The module can be ordered from the factory or ordered as a kit to be field installed Follow the installation instruction that ships with each kit when field installation is necessary RLCI ReliaTel LonTalk Communication Interface Optional This moduleis used when the application calls foran ICS building managementtype control system that is LonTalk Itallows the control and monitoring of the system through an ICS panel The module can be ordered from the factory or ordered as a kitto be field installed Follow the installation instruction that ships with each kit when field installation is necessary RTOM ReliaTel Options Module Optional Th
57. langes Roofcurb is intended for downflow use only dimensions are in inches millimeters 13 Unit Dimensions 85 5 16 P 122 5 16 3107MM Figure 7 Heat pump models 20 tons 2167MM FILTER ACCESS DOOR HORIZONTAL DOWNFLOW CONDENSATE DRAIN CONN 1 25 4MM SINGLE POINT POWER ENTRY 121 11 16 3091MM dimensions are in inches millimeters Figure 8 CLEARANCE 48 1219 MM 726 1 2 673 MM gt CLEARANCE 18 457 a 24 1 16 611 MM All dimensions are in inches millimeters 14 8 15 16 227MM 21116 68 26 Heat pump models 20 tons 64 1 8 1629MM 7 8 22 23MM DIA HOLE UNIT CONTROL WIRE GAUGE 84 3 16 2154MM PORT ACCESS 3 76MM DIA HOLE UNIT POWER WIRE CLEARANCE 60 1524 MM P 46 7 16 1180 MM 727 9 16 700 3 15 16 100 FILTER ACCESS DOOR HORIZONTAL UNITS ONLY HORIZONTAL CONDENSATE DRAIN CONNECTION 1 0 IN NPT CLEARANCE 38 965 MM RT SVX33E EN Figure 9 Heat pump models 20 tons 113 16 46 MM 1 1 2 38 MM PERIMETER CURB FLANGE 80 5 8 2048 MM 14 1 16 357 MM 117 3 16 2977 MM dimensions are in inches millimeters Figure 10 Heat pump models 20 tons 73 7 16 1865 MM 1 25 4MM CUR
58. ld be 221 229 227 _ 2 2percent VD reading farthest from average 221 The percentage of Imbalance equals 226 221 100 226221 2 2percent The 2 296 imbalance in this example exceeds the maximum allowable imbalance of 2 096 This much imbalance between phases can equal as much as a 2096 current imbalance with a resulting increase in motor winding temperatures that will decrease motor life If the voltage imbalance is over 296 notify the proper agencies to correct the voltage problem before operating this equipment Electrical Phasing Three Phase Motors The compressor motor s and the supply fan motor are internally connected for the proper rotation when the incoming power supply is phased as A B C Proper electrical supply phasing can be quickly determined and corrected before starting the unitby using an instrument such as an Associated Research Model 45 Phase Sequence Indicator and following the steps below Temperature Degrees F Degrees C Nominal Resistance 20 28 9 170 1 Ohms 15 26 1 143 5 K Ohms 10 23 3 121 4 K Ohms 5 20 6 103 0 K Ohms 0 17 8 87 56 K Ohms 5 15 0 74 65 K Ohms 10 12 2 63 80 K Ohms 15 9 4 54 66 K Ohms 20 6 7 46 94 K Ohms 25 3 8 40 40 K Ohms 30 1 1 34 85 K Ohms 35 1 7 30 18 K Ohms 40 4 4 26 22 K Ohms 45 7 2 22 85 K Ohms 50 10 0 19 96 K Ohms 55 12 8 17 47 K Oh
59. ly revert to the applied System start up providing a decade box for variable resistance control method outputs is available This method initiates the different For unit test steps test modes and step resistance values components of the unit one at a time when a specific to cycle the various components refer to Table 7 p 31 Table 7 Service test guide for component operation TEST STEP MODE Fan Econ Comp 1 Comp 2 Heat 1 Heat 2 Ohms a Off Off Off 2 2 Minimum Ventilation On Selectable Off Off Off Off 2 Economizer Test Open On Open Off Off Off Off 3 3K Cool Stage 1 On Minimum Position Onl Off Off Off 4 7K 43 Cool Stage 2 On Minimum Position Onl Onl Off Off 6 8K 53 Reheat On Minimum On On Off Off 33K 63 Heat Stage 1 On Minimum Off Off On Off 10K 73 Heat Stage 2 On Minimum Off Off On On 15K Notes 1 The condenser fans will operate any time a compressor is On providing the outdoor air temperatures are within the operating values 2 The exhaust fan will turn on anytime the economizer damper position is equal to or greater than the exhaust fan setpoint 3 Steps for optional accessories and non applicable modes in unit will be skipped RT SVX33E EN 31 Pre Start Verifying Proper Air Flow Units with Belt Drive Indoor Fan Much ofthe systems performance and reliability is closely associated with and dependent upon having the proper airflow supplied both to the space that is being conditioned and across the
60. measures The human interface includes several features including Data trending capabilities by means of time series graphs Historical alarm messages Real time sensor measurements On board system setpoints USB portthat enables the downloading of component runtime information as well as trended historical sensor data Customized reports RT SVX33E EN Unit Dimensions Figure L Typical instal SIDE BY SIDE NDTE 2 T TO MINIMIZE DUCT EXTENS 2 WHEN EQUIPPED WITH ECONOMIZER DR BAROMETRIC RELIEF DAMPER CLEARANCE DISTANCE IS TO BE MEASURED FROM PROTRUD NSTEAD OF BASE 3 CLEARANCE IS THE SAME UNIT IS ROTATED 180 OR HORIZONTAL DISCHARGE UNIT HIS MEASUREMENT IS REDUCED TO 1 6 lation clearances for single amp multiple unit applications WITHOUT ECONOMIZER DNS N 3 0 5 8 WITH ECONOMIZER amp NG HOOD F ANY 4 ADDITION CLEARANCE REQU WHEN BAROMETRIC DAMPER ECONOMIZER IS INSTALLED RT SVX33E EN IRED UR Unit Dimensions Figure2 Heat pump models 1275 15 tons 2167 pu FILTER ACCESS DOOR HORIZONTAL _ 54 1372MM DOWNFLOW CONDENSATE DRAIN CONN 1 25 4MM 1231 90MM 56 1422MM TI8 22 23MM DIA HOLE UNIT CONTROL WIRE SINGLE POINT POWER ENTRY 121 11 16 3091MM SERVICE GAUGE PORT ACCESS 68 26MM 227 3 76MM DIA HOLE
61. minimum on time during 4 consecutive compressor starts check LPC1 or LPC2 by testing voltage between the J 1 8 amp J 3 2terminals on the RTRM and ground If 24 VAC is present the LPC s has not tripped If no voltage is present LPC s has tripped Service Failure 1 Ifthe supply fan proving switch has closed the unit will notoperate when connected to RTOM checkthe fan motor belts and proving switch 2 Clogged filter switch has closed check the filters Simultaneous Heat and Cool Failure 1 Emergency Stop is activated Method 2 Thesecond method for determining system status is done by checking voltage readings the RTRM J 6 The system indication descriptions and the approximate voltages are listed below System Failure Measure the voltage between terminals J 6 9 amp J 6 6 Normal Operation approximately 32 System Failure less than 1 approximately 0 75 Test Mode voltage alternates between 32 amp 0 75 Heat Failure Measure the voltage between terminals J 6 7 amp J 6 6 Heat Operating approximately 32 Vdc Heat Off less than 1 VDC approximately 0 75 Vdc Heating Failure voltage alternates between 32 amp 0 75 Vdc RT SVX33E EN Troubleshooting Cool Failure Measure the voltage between terminals J 6 8 amp J 6 6 Cool Operating approximately 32 Cool Off less than 1 Vdc approximately 0 75 Vdc Cooling Failure voltage alternates between 32
62. mp with or without Dehumidification Note Downflow and horizontal airflow Table 15 Wiring diagrams for units with High Short Circuit Rating SCCR Type of Schematic Diagram airflow Type Voltage Number Description Power 208 575 2313 1578 WS 180 300 60HZ Heat Pump with or without Electric Heat i 208 575 2313 1583 WS 180 300 60HZ Heat Pump with or without Electric Heat ontro 208 575 2313 1590 5 180 300 60HZ Heat Pump with or without Electric Heat Options Modules Constant Raceway 208 575 2313 2020 WS 180 300 60HZ Heat Pump with or without Electric Heat Volume Connection Control BOX 08 575 2313 2003 WS 180 300 60HZ Heat Pump with or without Electric Heat Connections Module ixl r 208 575 2313 2049 WS 180 300 60HZ Heat Pump with or without Electric Heat Connections Power 208 575 2313 1578 WS 180 300 60HZ Heat Pump with or without Electric Heat 208 575 2313 1587 5 180 300 60HZ Heat Pump with or without Electric Heat ontro istis d 208 575 2313 1590 WS 180 300 60HZ Heat Pump with or without Electric Heat Options Modules ulti spee Fans Single Raceway 208 575 2313 2024 WS 180 300 60HZ Heat Pump with or without Electric Heat ZoneVariable Connection Air Volume Control Box 208 575 2313 2007 WS 180 300 60HZ Heat Pump with or without Electric Heat Connections Module T Fri r C 208 575 2313 2053
63. ms 60 15 6 15 33 K Ohms 65 18 3 13 49 K Ohms 70 21 1 11 89 5 75 23 9 10 50 5 80 26 7 9 297 K Ohms 85 29 4 8 247 K Ohms 90 32 2 7 330 K Ohms 95 35 0 6 528 K Ohms s 100 37 8 5 824 K Ohms Voltage Imbalance Three phase electrical power to the unit must meet stringent requirements for the unit to operate properly Measure each leg phase to phase of the power supply z Each reading mustfall within the utilization range stamped on the unit nameplate If any of the readings do not fall within the proper tolerances notify the power company to correct this situation before operating the unit Excessive three phase voltage imbalance between phases will cause motors to overheat and eventually fail The maximum allowable voltage imbalance is 296 Measure and record the voltage between phases 1 2 and 3 and calculate the amount of imbalance as follows 96 Voltage Imbalance AV VD 100 AV where Average Voltage AV Volt1 Volt2 Volt3 3 V1 V2 V3 Line Voltage Readings VD Line Voltage reading that deviates the farthest from the average voltage av 24 Turn the field supplied disconnect switch that provides power to the main power terminal block or to the Line sideoftheoptionalfactory mounted disconnect switch to the Off position Connect the phase sequence indicator leads to the terminal block or to the Line side of the optional factory m
64. ned weight of the roofcurb and the unit Refer to Table 3 p 17 for typical unit and curb weights Failure to ensure proper structural roof support could cause the roof to collapse which could result in death or serious injury and property damage If anchoring is required anchor the unit to the roof with hold down bolts or isolators Check with a roofing contractor for proper waterproofing procedures Ductwork Elbows with turning vanes or splitters are recommended to minimize air noise dueto turbulence and to reduce static pressure When attaching the ductwork to the unit provide a water tight flexible connector at the unit to prevent operating sounds from transmitting through the ductwork 18 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 roof deckfor the ductwork penetrations Do not cut out the entire roof deck within the curb perimeter If a Curb Accessory Kit is Not Used 1 The ductwork can be attached directly to the factory provided flanges around the unit s supply and return air openings Be sure to use flexible duct connections atthe unit 2 For built up curbs supplied by others gaskets must be installed around the curb perimeter flange and the supply and return air opening flanges General Unit Requirements The checklist listed below is a summary of the steps requi
65. o ensure the power cannot be inadvertently energized Verify with an appropriate voltmeter that all capacitors have discharged Failure to disconnect power and discharge capacitors before servicing could result in death or serious injury For additional information regarding the safe discharge of capacitors see PROD SVBO6A EN A 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 hazarus To avoid these hazards you MUST follow requirements for field wiring installation and grounding as described in NEC and your local state electrical codes Failure to follow code could result in death or serious injury Important All phases of this installation must comply with NATIONAL STATE and LOCAL CODES In addition to local codes the installation must comply with National Electric Code ANSI NFPA NO 70 LATEST REVISION Field connections are made by first removing all access panels on the front of the unit Unscrew the assembly around the outside of the disconnect switch or circuit breaker This assembly is located between the evaporator and heat section of the unit Figure 20 p 26 For downflow configurations the hole in the base section is for both high and low voltage power wiring on down flow units Horizontal units will route through thefront plate located directly underthe circuitbr
66. o of advanced controls and HVAC systems comprehensive building services and parts For more information visit www IRCO com The manufacturer has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice 2014 All rights reserved RT SVX33E EN 27 May 2014 1 Supersedes RT SVX33D EN 17 2014 Ingersoll Rand We are committed to using environmentally conscious print practices that reduce waste
67. or the electrical access locations provided on the unit and Table 4 p 21 for AC conductor sizing guidelines and RT SVX33E EN Use copper conductors unless otherwise specified 2 Ensurethatthe AC control wiring between the controls diagram and the unit s termination point does not exceed three 3 ohms conductor for the length of the run Component Failure Resistance in excess of 3 ohms per conductor could result in component failure due to insufficient AC voltage supply 3 Be sure to check all loads and conductors for grounds shorts and mis wiring 4 Do notrun the AC low voltage wiring in the same conduit with the high voltage power wiring 5 Routelow voltage wiring per illustrations on Figure 17 p 21 Table4 Electromechanical thermostat 24 Vac conductors with ReliaTel Distance from Unit to Control Recommended Wire Size 000 460 feet 000 140 m 18 gauge 0 75 mm 461 732 feet 141 223 m 16 gauge 1 3 mm 733 1000 feet 224 305 m 14 gauge 2 0 mm Controls Using DC Analog Input Outputs Standard Low Voltage Multiconductor Wire Before installing any connecting wiring between the unit and components utilizing DC analog input output signal refer to Unit Dimensions p 11 for the electrical access locations provided on the unit 1 Table 5 p 21lists the conductor sizing guidelines that must be followed when interconnecting the DC binary output devices and the sys
68. or w 1 Frostat E R 10A Refrigerant Digit 8 Voltage Selection 3 208 230 60 3 4 460 60 3 W 575 60 3 T 200 501 D 380 415 50 3 Digit 9 Unit Controls R Reliatel Digit 10 Heating Capacity Note Applicable to Digit 1 W models only No Heat 18 kW Electric Heat 36 kW Electric Heat 54 KW Electric Heat 72 KW Electric Heat Digit 11 Minor Design Sequence Digit 12 13 Service Sequence Digit 14 Fresh Air Selection 0 No Fresh Air D Econ Dry Bulb w Barometric Reliefi Econ Reference Enthaply w Barometric Relief Econ Comparative Enthaply w Barometric Relief Low Leak Econ w Barometric Relief1 Low Leak Econ Reference Enthalpy w Barometric Relief Low Leak Econ Comparative Enthalpy w Barometric Relief Won H H H II RT SVX33E EN Shaft Ground Ring Digit 16 Hinged Service Access Filters Standard Panels Standard Filters13 Hinged Access Standard Filters13 Standard Panels 2 MERV 8 Filters2 Hinged Access 2 MERV 8 Filters2 Standard Panels MERV 13 Filters E Hinged Access MERV 13 Filters Digit 17 Condenser Coil Protection gt l Il 0 Standard Coil 1 Standard Coil With Hail Guard 2 Black Epoxy Pre Coated Coil 3 BlackEpoxy Pre Coated Coil with Hail Guard Digit 18 Through The Base Provisions 0 No Through The Base Provisions A Through The Base Electric D Through The Base Utili
69. ounted disconnect switch as follows Black phase A to L1 Red phase B to L2 Yellow phase C to L3 Closethefield supplied main power disconnect switch or circuit protector switch that provides the supply power to the unit Observethe ABC and CBA phase indicator lights on the face of the sequencer The ABC indicator light will glow if the phase is ABC If the CBA indicator light glows open the disconnect switch or circuit protection switch and reverse any two power wires Restore the main electrical power and recheck the phasing If the phasing is correct open the disconnect switch or circuit protection switch and remove the phase sequence indicator RT SVX33E EN Compressor Crankcase Heaters Compressors Failure Unit must be powered and crankcase heaters energized at least 8 hours BEFORE compressors are started This will protect the compressors from premature failure Each compressor is equipped with crankcase heater The proper operation of the crankcase heater is important to maintain an elevated compressor oil temperature during the Off cycle to reduce oil foaming during compressor starts Oil foaming occurs when refrigerant condenses in the compressor and mixes with the oil In lower ambient conditions refrigerant migration to the compressor could increase When the compressor starts the sudden reduction in crankcase pressure causes the liquid refrigerant to boil rapidly causing the oil to foam This con
70. position The powered outlet comes completely wired from the factory except for 208 volt applications 1 For208voltapplications disconnect and tape the blue 230 volt wire 2 Then connect the brown 208 volt wire OPTIONAL POWERED GFCI SEE INSET B FOR UNITS W OPTIONAL UNPOWERED GFCI LINE VOLTAGE Lt L2 1 M A401A BL 400A RD 5 SRD ios x mk 402A RD 403A BL rural FU13 404A 405A RD BL T 400A 401A RD BL 9 B r8 Bu TO a Em 2 db 3 407A BR lt 6 id 4048 4058 RD BL COM 2 2307 2 W3 RD BR BL RD BL OCS 12 TNS4 r lt SEE INSET 15 A FOR UNITS we TNS4 tee WITH GR ELECTRIC HEAT 14 wt W2 W3 A1OA WH 411A Bk R n Rb BL BK 25 25 25 25 16 412 413A HTB1 WH BK 17 GR 15 AMP oe 9 120v 77 INSET SEE MAIN CONTROL BOX FOR QUCB UDC THE REST OF THE CIRCUITS FUSE REPLACEMENT TABLE 351A 352A 355A FU12 FU13 208 230V TYPE FLQ 10 0 AMP RD BL FU12 FU13 460v T
71. r coil and filters To insure that airflow through the unitis adequate for proper sampling by the return air smoke detector complete adherence to the maintenance procedures including recommended intervals between filter changes and coil cleaning is required Periodic checks and maintenance procedures must be performed on the smoke detector to insure that it will function properly For detailed instructions concerning these checks and procedures refer to the appropriate section s of the smoke detector Installation and Maintenance Instructions provided with the literature package for this unit Cooling Season e Check the unit s drain pans and condensate piping to ensure that there are no blockages Inspect the evaporator and condenser coils for dirt bent fins etc If the coils appear dirty clean them according to the instructions described in Coil Cleaning later in this section Manually rotate the condenser fan s to ensure free movement and check motor bearings for wear Verify that all of the fan mounting hardware is tight Inspect the F A R A damper hinges and pins to ensure that all moving parts are securely mounted Keep the blades clean as necessary Verify that all damper linkages move freely lubricate with white grease if necessary Checksupply fan motor bearings repair or replace the motor as necessary e Check the fan shaft bearings for wear Replace the bearings as necessary e Checkthe
72. re sensor BAYSENSO75 Programmable Zone Sensor BAYSENS 119 Programmable NightSetback Auto or manual changeover with seven day programming Keyboard selection of Heat Cool Fan Auto or On programmable sensors have System On Heat Cool Service LED indicators as standard Night Setback Sensors have one 1 Occupied one 1 Un occupied and one 1 Override program per day Remote Zone Sensor BAYSENSO73 This electronic sensor features remote zone sensing and timed override with override cancellation It is used with a Trane Integrated Comfort building management system Remote Zone Sensor BAYSENSO74 This electronic sensor features single setpoint capability and timed override with override cancellation It is used with a Trane Integrated Comfort building management system Remote Zone Sensor 5016 This bullet type temperature sensor can be used for outside air ambient sensing return air temperature sensing supply air temperature sensing remote temperature sensing uncovered Wiring procedures vary according to the particular application and equipment 10 involved Refer to the unit s wiring diagrams for proper connections Remote Zone Sensor BAYSENSO75 This electronic sensor can be used with BAYSENS 106 108 110 109 Remote Panels When this sensor is wired to a BAYSENS 109 Remote Panel wiring must be 18 AWG Shielded Twisted Pair Belden 8760 or equivalent Refer
73. red to successfully install a commercial unit This checklist is intended to acquaint the installing personnel with whatis required inthe installation process It does not replace the detailed instructions called out in the applicable sections of this manual Check the unit for shipping damage and material shortage file a freight claim and notify appropriate sales representative Verify correct model options and voltage from nameplate Verify that the installation location of the unit will provide the required clearance for proper operation e Assemble and install the roof curb if applicable Refer to the latest edition of the curb installers guide that ships with each curb kit Fabricate and install ductwork secure ductwork to curb Rigging the unit Set the unit onto the curb check for levelness Ensureunit to curb seal istight and without buckles or cracks Install and connect a condensate drain line to the evaporator drain connection Factory Installed Economizer Ensurethe standard economizer has been pulled out into the operating position Refer to the economizer Installation Instructions for proper setup Note Low LeakEconomizers do not pull out Refer to Low Leak Economizers Installation Instructions for proper setup Install all access panels RT SVX33E EN Electric Heat Requirements Verify thatthe power supply complies with the electric heater specifications on theunitan
74. ressure controls are wired in series between the compressor outputs on the RTRM and the compressor contactor coils If the high pressure control switch opens the senses a lack of current while calling for cooling and locks the compressor out On dual circuit units if the high pressure control opens the compressor on the affected circuit is locked out A manual reset for the affected circuit is required Power Exhaust Control Optional The power exhaustfan is started whenever the position of the economizer dampers meets or exceed the power exhaust setpoint when the indoor fan is on The setpoint panel is located in the return air section and is factory set at 25 RT SVX33E EN General Information Lead Lag Control Dual Circuit Only Lead Lag is a selectable input located on the RTRM The RTRM is configured from the factory with the Lead Lag control disabled To activatethe Lead Lag function simply cut the wire connected to J 3 8 at the RTRM When it is activated each time the designated lead compressor 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 circuit compressor Evaporator Frost Control This input incorporates the Frostat control FOS mounted in the indoor coil and can be activated by closing a field supplied contact installed in parallel with the FOS
75. rin the literature order number search field or by contacting technical support Table 14 Wiring diagrams Type of Schematic Diagram Airflow Type Voltage Number Description Power 200 575 2313 1479 WS 150 240 50 60HZ Heat Pump with or without Electric Heat WS 150 240 50 60HZ Heat Pump with or without Electric Heat with or without 2313 1488 ue es Control 200 575 Dehumidification Constant 2313 1495 WS 150 240 50 60HZ with or without Dehumidification Option Modules Volume Raceway i Paes 200 575 2313 1515 WS 150 240 50 60HZ Heat Pump with or without Dehumidification Connections Control Box 200 230 2313 1499 WS 150 240 50 60HZ Heat Pump with or without Dehumidification Connections 380 575 2313 1500 WS 150 240 50 60HZ Heat Pump with or without Dehumidification Power 208 575 2313 1483 WS 150 240 60HZ Heat Pump with or without Electric Heat 2313 1492 WS 150 240 60HZ Heat Pump with or without Electric Heat with or without IE Air Control 208 575 Dehumidification Volume Multi speed 2313 1495 WS 150 240 60HZ with or without Dehumidification Option Modules Fans Single Raceway n Zone Variable Connections 208 575 2313 1519 WS 150 240 60HZ Heat Pump with or without Dehumidification Air Volume Control Box 208 230 2313 1507 WS 150 240 60HZ Heat Pump with or without Dehumidification Connections 460 575 2313 1508 WS 150 240 60HZ Heat Pu
76. rinse washer thoroughly Operations such as sawing blowing tear out and spraying may generate fiber concentrations requiring additional respiratory protection Use the appropriate NIOSH approved respiration in these situations RT SVX33E EN First Aid Measures Eye Contact Flush eyes with water to remove dust If symptoms persist seek medical attention Skin Contact Wash affected areas gently with soap and warm water after handling Storage Take precautions to prevent condensate from forming inside the unit s electrical compartments and motors if 15 The unit is stored before it is installed or 16 The unit is set on the roof curb and temporary heat is provided in the building Isolate all side panel service entrances and base pan openings e g conduit holes S A and R A openings and flue openings from the ambient air until the unit is ready for start up Note Do not use the unit s heater for temporary heat without first completing the start up procedure detailed under Start Up p 33 The manufacturer will not assume any responsibility for equipment damage resulting from condensate accumulation on the unit s electrical and or mechanical components Unit Clearances Figure 1 p 11 illustrates the minimum operating and service clearances for either a single or multiple unit installation These clearances are the minimum distances necessary to assure adequate serviceability cataloged unit cap
77. s a potentially hazardous A WARNING situation which if not avoided could result in death or serious injury Indicates a potentially hazardous LCAUTION situation which if not avoided could result in minor or moderate injury It could also be used to alert against unsafe practices or Indicates a situation that could resultin NOTICE equipment or property damage only Important Environmental Concems Scientific research has shown that certain man made chemicals can affect the earth s naturally occurring stratospheric ozone layer when released to the atmosphere In particular several of the identified chemicals that may affect the ozone layer are refrigerants that contain Chlorine Fluorine and Carbon CFCs and those containing Hydrogen Chlorine Fluorine and Carbon 5 Not all refrigerants containing these compounds have the same potential impact to the environment Trane advocates the responsible handling of all refrigerants including industry replacements for CFCs such as HCFCs and HFCs Responsible Refrigerant Practices Trane believes that responsible refrigerant practices are important to the environment our customers and the air conditioning industry All technicians who handle refrigerants must be certified The Federal Clean Air Act Section 608 sets forth the requirements for handling reclaiming recovering and recycling of certain refrigerants and the equipment that is used in these service procedures
78. s injury 1 Remove the smoke detector assembly from its shipping position in the indoor fan compartment This assembly is attached with three screws to the indoor fan board near the top of the unit 2 Remove and discard the shipping bracket from the smoke detector assembly This is the angled piece of sheet metal that secured the smoke detector assembly to the interior parts of the unit during shipment 3 Placethe end of the smoke detector 16 inch metal exhausttube provided into the bottom hole in the back of the smoke detector Line up the tab in the exhaust tube with one ofthe slots in the detector and insertthe tube until the tube can be rotated Rotate the tube 45 degrees to lock it in place Figure 23 Brackets Smoke Detector Mounting Bracket Shipping Bracket RT SVX33E EN Figure 24 Retum air smoke detector for downflow units PLASTIC ELBOW _ COPPER TUBE FACTORY INSTALLED HES LONG VINYL TUBES 7 3 INC UVINYL TUBES 4 Slide one 2 piece of the vinyl tubing provided onto the short smoke detector inlet tube which protrudes out of the back side of the smoke detector Push this piece of vinyl tubing onto the inlet tube until it contacts the end of the plastic extension on the backside of the smoke detector 5 Slide the long piece of vinyl tubing provided onto one leg of the plastic barbed elbow provided Slide the other end of this piece of vinyl tubing w
79. seconds turn the Mode selection switch to the desired mode i e Heat Cool or Auto Method 2 To reset the system at the unit cycle the unit power by turning the disconnect switch Off and then On Lockouts can be cleared through the building management system Refer to the building management system instructions for more information 39 Troubleshooting Zone Temperature Sensor ZTS Service Indicator The ZSM SERVICE LED is a generic indicator that will signal the closing of a Normally Open switch at any time providing the Indoor Motor IDM is operating This indicator is usually used to indicate a clogged filter or an air side fan failure The RTRM will ignore the closing of this Normally Open switch for 2 1 minutes This helps prevent nuisance SERVICE LED indications The exception is the LED will flash 40 seconds after the fan is turned On if the Fan Proving Switch is not made Clogged Filter Switch This LED will remain lit the entire time that the Normally Open switch is closed The LED will be turned off immediately after resetting the switch to the Normally Open position or any time that the IDM is turned Off If the switch remains closed and the IDM is turned On the SERVICE LED will be turned On again after the 2 1 minute ignore delay This LED being turned will have no other affect on unit operation It is an indicator only Fan Failure Switch When the Fan
80. supply fan belt If the belt is frayed or worn replace it Refer to the Fan Belt Adjustment section for belt replacement and adjustments Verify that all wire terminal connections are tight e Remove any corrosion present on the exterior surfaces of the unit and repaint these areas Generally inspectthe unitfor unusual conditions e g loose access panels leaking piping connections etc 36 Make sure that all retaining screws are reinstalled in theunit access panels once these checks are complete With the unit running check and record the ambient temperature compressor suction and discharge pressures each circuit superheat each circuit Record this data on an operator s maintenance log like theone shown in Table 11 p 37 If the operating pressures indicate a refrigerant shortage measure the system superheat For guidelines refer to the Compressor Start Up section Note Do not release refrigerant to the atmosphere If adding or removing refrigerant is required the service technician must comply with all federal state and local laws Heating Season Inspect the unit s air filters If necessary clean or replace them e Checksupply fan motor bearings repair or replace the motor as necessary Inspect both the main unit control panel and heat section control box for loose electrical components and terminal connections as well as damaged wire insulation Make any necessary repairs
81. t operate the unit without filters RT SVX33E EN Installation Electrical Requirements A 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 Failure to follow code could result in death or serious injury Main Electrical Power Requirements Verify that the power supply complies with the unit nameplate specifications Inspect all control panel components tighten any loose connections Connect properly sized and protected power supply wiring to a field supplied installed disconnect switch andto the main powerterminal block HTB1 in theunit control panel Install proper grounding wires to an earth ground Note All field installed wiring must comply with NEC and applicable local codes Low Voltage Wiring AC amp DC Requirements Install the zone thermostat with or without switching subbase Connect properly sized control wiring to the proper termination points between the zone thermostat and the unit control panel Field Installed Power Wiring An overall dimensional layout for the standard field installed wiring entrance into the unit is illustrated in the Unit Dimensions
82. tch Once the test mode has been terminated the Liteport LED will glow continuously and the unit will revert to the System control RT SVX33E EN Installation Final Steps Use the checklist provided below in conjunction with the checklist in General Unit Requirements p 18 to ensure that the unit is properly installed and ready for operation Check all electrical connections for tightness and point of termination accuracy Verify that the condenser airflow is unobstructed Verify that the condenser fan and indoor blower turn freely without rubbing and are properly tightened on the shafts e Check the supply fan belts for proper tension and the fan bearings for sufficient lubrication If the belts require adjustment or ifthe bearings need lubricating refer to the maintenance section of this manual for instructions Verify that a condensate trap is installed and the piping is properly sized and pitched Verify that the correct size and number of filters are in place Inspect the interior of the unit for tools and debris and install all panels in preparation for starting the unit 25 Factory Mounted Unit Options Circuit Breaker FIYUCB amp Unit Disconnect FIYUDC AWARNING Hazardous Voltage w Capacitors Disconnect all electric power including remote disconnects and discharge all motor start run capacitors before servicing Follow proper lockout tagout procedures t
83. tector Dehumidification and Modulating Gas Heat Furnace Requires ReliaTel Options Module Option cannot be ordered in conjunction with field installed economizer on downflow units Must be factory installed The return air smoke detector may not fitup or work properly on the Voyager units when used in conjunction with 3 d party accessories such as bolt on heat wheels economizers and power exhaust Do not order the return air smoke detectors when using this type of accessory Supply and or return smoke detector may not be used with the plenum smoke detector Demand Control Ventilation Option includes wiring only The C02 sensor is a field installed only option Only available where MOP is above 60A 575 VAC option is 25kA Standard filters are not available with Low Leak Economizers Human Interface is standard with FDD Fault Detection Diagnostics RT SVX33E EN General Information Unit Inspection As soon as the unit arrives at the job site Verify that the nameplate data matches the data on the sales order and bill of lading including electrical data Verify that the power supply complies with the unit nameplate specifications Visually inspect the exterior of the unit including the roof for signs of shipping damage Visually inspect the internal components for shipping damage as soon as possible after delivery and before itis stored Do not walk on the sheet metal base pans
84. ted Unit Options Powered Unpowered Convenience Outlet AAWARNING Hazardous Voltage w Capacitors Disconnect all electric power including remote disconnects and discharge all motor start run capacitors before servicing Follow proper lockout tagout procedures to ensure the power cannot be inadvertently energized Verify with an appropriate voltmeter that all capacitors have discharged Failure to disconnect power and discharge capacitors before servicing could result in death or serious injury For additional information regarding the safe discharge of capacitors see PROD SVB06A EN Figure 2L Wiring schematic 121 through 25 ton options A 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 Failure to follow code could result in death or serious injury Powered Convenience Outlet Powered Option FIYCOPO When the powered convenience outlet option is installed theunit will include a dedicated transformer located in the evaporator section of the unit Additionally a service receptacle disconnect switch will be provided on the side wall of the evaporator section The service receptacle switch is shipped in the OFF
85. tem components utilizing a DC analog input output signal to the unit Note Resistancein excess of 2 5 ohms per conductor can cause deviations in the accuracy of the controls 2 Ensurethatthe wiring between controls and the unit s termination point does not exceed two and a half 2 5 ohms conductor for the length of the run 3 Donotrun the electrical wires transporting DC signals in or around conduit housing high voltage wires Table 5 DC conductors zone sensor module wiring Distance from Unit to Control Recommended Wire Size 0 150 feet 0 45 7 m 22 gauge 0 33 mm 151 240 feet 46 73 1 m 20 gauge 0 50 mm 241 385 feet 73 5 117 3 m 18 gauge 0 75 mm 386 610 feet 117 7 185 9 m 16 gauge 1 3 mm 611 970 feet 186 2 295 7 m 14 gauge 2 0 mm RT SVX33E EN Installation Figure 17 Reliatel conventional thermostat field wiring 21 Installation Figure 18 Typical field wiring diagrams for optional controls ReliaTel only CANCELLATION BUTTON RTRM RTRM ECA 1234 56 78 9 10 1214 123456789 te 61070 0 ooo o o 6707009 0 1 T I r4 D Ftd
86. ties Access Digit 19 Disconnect Switch Circuit Breaker 0 Disconnect circuit break 1 UnitMounted Non Fused Disconnect S witch 2 UnitMounted Circuit Breaker Digit 20 Convenience Outlet Option 0 Without Convenience Outlet A Unpowered Convenience Outlet B Powered Convenience Outlet Digit 24 Smoke Detector 8 Without Smoke Detector Return Air Smoke Detector Supply Air Smoke Detector Return Supply Air Smoke Detector Plenum Smoke Detector Digit 25 System Monitoring Controls No Monitoring Controls Clogged Filter Switch Fan Failure Switch Discharge Air Sensing Clogged Filter Switch and Fan Failure Clogged Switch and Discharge Air Sensing Fan Failure Switch and Discharge Air Sensing Clogged Filter Switch Fan Failure Switch and Discharge Air Sensing Condensate Drain Pan Overflow Switch Clogged Filter Switch and Condensate Drain Pan Overflow Switch Fan Failure Switch and Condensate Drain Pan Overflow Switch Discharge Air Sensing and Condensate Drain Pan Overflow Switch Clogged Filter Switch Fan Failure Switch and Condensate Drain Pan Overflow Switch Clogged Filter Switch Discharge Air Sensing Tube and Condensate Drain Pan Overflow Switch Fan Failure Switch Discharge Air Sensing Tube and Condensate Drain Pan Overflow Switch A UNHO Won H H H Model Number Description H Clogged Filter Switch Fan Failure Switch Discharge
87. to the specific Remote Panel for wiring details Wireless Zone Sensor BAYSENSO5O0 This electronic sensor features five system settings Auto Off Cool Heat and Emergency Heat and with On and Auto fan settings Itis a manual or auto changeover control with dual setpoint capability Other features include a timed override function lockable system settings and Fahrenheit or Celsius temperature display Included with the wireless zone sensor will be a receiver that is to be mounted inside the unit a mounting bracket and a wire harness Thermostat BAYSTAT150 This thermostat is a multi stage 3 heat 2 cool auto changeover digital display thermostat It is a programmable thermostat and a 7 day programmable stat with night setback shall be available In addition itis wall mounted Thermostat BAYSTAT151 This thermostat is a single stage 1 heat 1 cool auto changeover digital display thermostat It is a non programmable wall mounted thermostat Thermostat BAYSTAT155 This thermostat is a multi stage 3 heat 2 cool auto changeover digital display thermostat It is a non programmable wall mounted thermostat and it can be used for Economizer Operation Human Interface 5 Inch Color Touchscreen Optional The 5 inch Color Touchscreen Human Interface provides an intuitive user interface to the rooftop unit that speeds up unit commissioning shortens unit troubleshooting times and enhances preventative maintenance
88. use equipment or property damage Failure to follow instructions above or properly lift unit could result in unit dropping and possibly crushing operator AAWARNING Improper Unit Lift Test lift unit approximately 24 inches to verify proper center of gravity lift point To avoid dropping of unit reposition lifting point if unit is not level Failure to properly lift unit could result in unit dropping and possibly crushing operator technician which could result in death or serious injury and possible equipment or property only damage technician which could result in death or serious injury Pr Remove the shipping crate from around the unit Do not remove the crating from the top of the unit Rig the unit as shown in Figure 14 Attach adequate strength lifting slings to all four lifting brackets in the unit base rail Do not use cables chains or slings except as shown Install a lifting bar as shown in Figure 14 to protectthe unit and to facilitate a uniform lift The minimum distance between the lifting hook and the top of the unit should be 7 feet N w RT SVX33E EN 4 Test lift the unit to ensure it is properly rigged and balanced make any necessary rigging adjustments Lift the unit and position it into place 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
89. ve the remote panel indication feature The LED descriptions are listed below LED 1 System On during normal operation Off if a system failure occurs or the LED fails Flashing indicates test mode LED 2 Heat On when the heat cycle is operating Off when the heat cycle terminates or the LED fails Flashing indicates a heating failure LED 3 Cool On when the cooling cycle is operating Off when the cooling cycle terminates or the LED fails Flashing indicates a cooling failure LED 4 Service On indicates a clogged filter Off during normal operation Flashing indicates an evaporator fan failure or Condensate Overflow Switch COF failure RT SVX33E EN Below is the complete listing of failure indication causes System Failure Check the voltage between terminals 6 and 9 on J 6 it should read approximately 32 Vdc If no voltageis present a System failure has occurred Refer to Step 4 in the previous section for the recommended troubleshooting procedure Cooling Failure 1 Cooling and heating set point slide pot on the zone sensor has failed Refer to the Zone Sensor Test Procedure section 2 Zonetemperature thermistor ZTEMP on ZTS failed Refer to the Zone Sensor Test Procedure section 3 CC1 CC2 24 Vac control circuit has opened check 1 amp CC2 coils and any of the controls below that apply to the unit HPC1 HPC2 4 LPC1 has opened during the 3 minute

Trane Voyager 12.5 to 25 Tons Installation and Maintenance Manual

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