12
RT-SVX26K-EN
Unit Dimensions
Figure 1.
Typical installation clearance for single and multiple unit applications
5' 8"
5' 0"
Страница 1: ...ining 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...
Страница 2: ...ate sections throughout this literature Read these carefully WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTIONs Indicates a poten...
Страница 3: ...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...
Страница 4: ...32 Through the Base Gas Utility Option 35 Pre Start 36 Test Modes 36 Verifying Proper Air Flow Units with Belt Drive Indoor Fan 36 Start Up 37 Economizer Start Up 37 Compressor Start Up 37 Dehumidific...
Страница 5: ...gle Zone Variable Air Volume Oversized Motor 9 Multi Speed Oversized Motor A Single Zone Variable Air Volume Standard Motor w Shaft Grounding Ring B Multi Speed Standard Motor w Shaft Grounding Ring C...
Страница 6: ...with ordering system 7 Cannot be fused 8 Must be factory installed when using Through the Base Options 9 ReliaTel Options Module is required when ordering the following accessories Clogged Filter Swi...
Страница 7: ...the installation instruction that ships with each kit when field installation is necessary RLCI ReliaTel LonTalk Communication Interface Optional This module is used when the application calls for an...
Страница 8: ...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 consec...
Страница 9: ...th a Trane Integrated Comfort building management system Remote Zone Sensor BAYSENS074 This electronic sensor features single setpoint capability and timed override with override cancellation It is us...
Страница 10: ...ream 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 wi...
Страница 11: ...h soap and warm water after handling Storage Take precautions to prevent condensate from forming inside the unit s electrical compartments and motors if The unit is stored before it is installed or Th...
Страница 12: ...12 RT SVX26K EN Unit Dimensions Figure 1 Typical installation clearance for single and multiple unit applications 5 8 5 0...
Страница 13: ...nal data for 12 tons standard efficiency units 2710 mm 106 11 16 1273 mm 50 1 8 168 mm 6 5 8 651 mm 25 5 8 1799 mm 70 13 16 213 mm 8 3 8 745 mm 29 5 16 68 mm 2 11 16 25 mm 1 1453 mm 57 3 16 152 mm 6 S...
Страница 14: ...Unit dimensional data 15 25 tons standard efficiency units 3091 mm 121 11 16 1372 mm 54 173 mm 6 13 16 679 mm 26 3 4 2138 mm 84 3 16 227 mm 8 15 16 25 mm 1 830 mm 32 11 16 1643 mm 64 11 16 151 mm 5 1...
Страница 15: ...mm 1 843 mm 33 3 16 68 mm 2 11 16 1643 mm 64 11 16 152 mm 6 GAS CONNECTION SEE NOTE 1 22 mm 7 8 DIA HOLE UNIT CONTROL WIRE 76 mm 3 DIA HOLE UNIT POWER WIRE DOWNFLOW CONDENSATE DRAIN CONN 25 mm 1 NPT...
Страница 16: ...SVX26K EN Figure 8 Unit dimensional data 15 25 tons standard efficiency units 12 25 tons high efficiency units Figure 9 Horizontal duct dimensional data 15 25 tons standard efficiency units 12 25 tons...
Страница 17: ...t 2223 707 580 425 509 YS 250F 2054 655 555 403 442 YS 300F 2054 655 555 403 442 YH 300F 2207 702 579 422 507 Table 2 Typical unit weights and point loading data kg Unit Models Net Weights 25mm 18mm C...
Страница 18: ...that the gasket on the curb is not damaged while positioning the unit WARNING Heavy Objects Ensure that all the lifting equipment used is properly rated for the weight of the unit being lifted Each o...
Страница 19: ...uirements The checklist listed below is a summary of the steps required to successfully install a commercial unit This checklist is intended to acquaint the installing personnel with what is required...
Страница 20: ...stall the P Trap using the guidelines in Figure 12 A condensate drain line must be connected to the P Trap Pitch the drain lines at least inch for every 10 feet of horizontal run to assure proper cond...
Страница 21: ...nts The termination points depending on the customer option selected would be a factory mounted nonfused disconnect switch UDC or circuit breaker UCB Provide proper grounding for the unit in accordanc...
Страница 22: ...nductor sizing guidelines that must be followed when interconnecting the DC binary output devices and the system components utilizing a DC analog input output signal to the unit Note Resistance in exc...
Страница 23: ...Installation RT SVX26K EN 23 Figure 16 ReliaTel relative humidity sensor dehumidification option Figure 17 ReliaTel humidistat dehumidification option...
Страница 24: ...SVX26K EN Figure 18 Typical field wiring diagrams for optional controls ReliaTel only BAYSENS075 BAYSENS075 BAYSENS119 BAYSENS110 BAYSENS108 BAYSENS106 BAYSENS073 BAYSENS074 BAYSENS075 ASYSTAT669A OPT...
Страница 25: ...d Example 2 illustrates three sensors squared in a series parallel circuit Example 3 illustrates the circuit required for this senor Table 5 lists the temperature versus resistance coefficient for all...
Страница 26: ...Installation 26 RT SVX26K EN Table 6 Space temperature averaging examples...
Страница 27: ...0 w c Manifold Gas Pressure b b Staged gas heat units have a negative pressure gas valve Never adjust the staged gas pressure valve to a positive pressure 0 2 w c Combustion Blower Suction Pressure 1s...
Страница 28: ...onnect switch to the Off position Connect the phase sequence indicator leads to the terminal block or to the Line side of the optional factory mounted disconnect switch as follows Black phase A to L1...
Страница 29: ...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 t...
Страница 30: ...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 Feedcontrolwiringthroughbushingprovided on side...
Страница 31: ...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...
Страница 32: ...ned above proceed with the installation of the return air smoke detector as follows 1 Remove the smoke detector assembly from its shipping position in the indoor fan compartment This assembly is attac...
Страница 33: ...t will be necessary to remove the barometric relief filter open the barometric relief damper and reach inside through the barometric relief outlet to access and connect the copper exhaust elbow to the...
Страница 34: ...ris 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...
Страница 35: ...NG 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 en...
Страница 36: ...across the Test 1 and Test 2 terminals on LTB1 one time to start the Minimum Ventilation Test Once the supply fan has started check for proper rotation The direction of rotation is indicated by an ar...
Страница 37: ...LTB1 one additional time if continuing from previous component start up or until the desired startup component Test is started Scroll Compressors a Once each compressor has started verify that the ro...
Страница 38: ...it is not recommended to set the supply air temperature below 50 F In cooling mode if the supply air temperature is more than 3 5 F warmer than the selected temperature a stage of cooling will be turn...
Страница 39: ...U Active DWU Off DWU or Cooling1 2 3 4 VAV Cooling1 DWU or Cooling1 2 3 4 VAV Cooling or Heating1 Off Off4 Off4 Notes 1 If Cooling is selected the supply fan will run continuously If VAV Heating is ac...
Страница 40: ...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 Figure 32 RTAM module Static pr...
Страница 41: ...number represents the force in pounds required to give the needed deflection 6 Compare the force scale reading Step 5 with the appropriate force value listed in Table 17 p 41 If the force reading is...
Страница 42: ...place it Refer to Fan Belt Adjustment Belt Drive Units p 41 for belt replacement and adjustments Verify that all wire terminal connections are tight Remove any corrosion present on the exterior surfac...
Страница 43: ...the blanks provided 1 Complete Unit Model Number _____________________________________________________ 2 Unit Serial Number _____________________________________________________ 3 Wiring Diagram Numbe...
Страница 44: ...operations for each mode to assist in verifying proper operation Make the necessary repairs and proceed to Step 7 and Step 8 7 If no abnormal operating conditions appear in the test mode exit the tes...
Страница 45: ...r determining system status is done by checking voltage readings at the RTRM J6 The system indication descriptions and the approximate voltages are listed below System Failure Measure the voltage betw...
Страница 46: ...te ignore delay This LED being turned On will have no other affect on unit operation It is an indicator only Fan Failure Switch When the Fan Failure switch is wired to the RTOM the LED will remain fla...
Страница 47: ...nit 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 tur...
Страница 48: ...onomize Slow Flash Normal Not OK to Economize Fast Flash 1 4 Second On 2 Seconds Off Error Code Communications Failure Pulse Flash 1 30 Second On 1 4 Second Off 2 Seconds between pulse sequences Error...
Страница 49: ...with or without Dehumidification 380 575 2313 1502 YS 150 300 YH 150 300 50 60HZ 2 Stage Gas Heat with or without Dehumidification 2313 1504 YS 150 300 YH 150 300 50 60HZ Modulating Gas Heat with or...
Страница 50: ...Module Connections 208 230 460 575 60 Hz 2313 2050 YS 180 300 YH 150 300 2 Stage Gas Heat 2313 2051 YS 180 300 YH 150 300 Modulating Gas Heat Multi zone Variable Air Volume Multi speed Fans Single Zon...
Страница 51: ...itation 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 fro...
Страница 52: ...ations without notice We are committed to using environmentally conscious print practices that reduce waste 2014 Trane All rights reserved RT SVX26K EN 27 May 2014 Supersedes RT SVX26J EN 10 Feb 2014...