Trane YSJ072A Installation, Operation And Maintenance Manual Download Page 56 | Manualshive

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56

RT-SVX071A-EN

Troubleshooting

See ACC-APG002*-EN, Application Guide, Symbio™ 700
Controller with Precedent™ Packaged Rooftop Air-
Conditioners.

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Summary of Contents for YSJ072A

Page 1: ...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 sticke...

Page 2: ...t is used in these service procedures In addition some states or municipalities may have additional requirements that must also be adhered to for responsible management of refrigerants Know the applic...

Page 3: ...than these policies those regulations supersede these policies Non Trane personnel should always follow local regulations Copyright This document and the information in it are the property of Trane a...

Page 4: ...S135 10 Touch Screen Programmable Zone Sensor BAYSENS800 11 Evaporator Frost Control 11 Discharge Line Temp Switch DLTS 11 Smoke Detector Sensor Optional 11 Phase Monitor 11 Pre Installation 12 Precau...

Page 5: ...Ignition Module 50 Return Air Smoke Detector 50 Compressor Start Up 50 Hot Gas Reheat 51 Gas Heat Units 51 Final System Setup 51 Maintenance 52 Monthly Maintenance 52 Filters 52 Return Air Smoke Dete...

Page 6: ...ence Enthalpy with Barometric Relief2 P Downflow Low Leak Economizer Comparative Enthalpy with Barometric Relief2 R Downflow Low Leak Economizer Differential Dry Bulb with Barometric Relief2 Digit 15...

Page 7: ...onitoring Controls 0 No Monitoring Control 1 Clogged Filter Switch2 2 Condensate Overflow Switch1 3 Discharge Air Sensing Tube 4 Clogged Filter Switch and Condensate Overflow Switch1 2 5 Clogged Filte...

Page 8: ...rage 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 The unit is set on the roof curb and tempo...

Page 9: ...lter switch has been closed for at least 2 minutes The system will continue to operate regardless of the status of the filter switch For further details refer to Installation Instructions ACC SVN238 E...

Page 10: ...ted Comfort building management system Integrated Comfort System BAYSENS074 This sensor features single setpoint capability and timed override with override cancellation It is used with a Trane Integr...

Page 11: ...lure to follow these instructions will prevent the smoke detectors from performing its design function Airflow through the unit is affected by the amount of dirt and debris accumulated on the indoor c...

Page 12: ...spiratory protection Use the appropriate NIOSH approved respirator First Aid Measures Eye Contact Flush eyes with water to remove dust If symptoms persist seek medical attention Skin Contact Wash affe...

Page 13: ...ORT ACCESS 1 3 8 35 MM DIA HOLE UNIT CONTROL WIRE 2 50 MM DIA HOLE EVAPORATOR SECTION ACCESS PANEL 15 1 4 388 27 5 8 700 88 1 8 2238 11 1 4 286 9 5 8 244 4 7 8 123 9 229 53 1 4 1352 50 7 8 1293 Figure...

Page 14: ...1 4 490 16 3 4 426 9 3 8 237 32 1 4 820 3 7 4 97 Figure 5 6 to 10 tons standard efficiency unit clearance and roof opening CLEARANCE 36 914 MM CLEARANCE FROM TOP OF UNIT 72 TYPICAL ROOF OPENING CLEARA...

Page 15: ...6 3 8 1178 MM 34 3 8 873 MM 84 1 2 2146 MM 2 51 MM 34 3 8 873 MM 1 25 MM 49 7 8 1267 MM 50 3 8 1280 MM 2 51 MM 83 7 8 2130 MM 80 1 2 2045 MM 18 1 2 470 MM 1 25 MM 6 5 8 168 MM 18 1 4 470 MM 1 25 MM RE...

Page 16: ...MM 17 432 MM 34 5 8 879 MM Applicable to Y_C models only Figure 9 6 to 25 tons standard efficiency gas pipe height A Note Height of gas pipe required from inside unit base to gas shut off assembly fac...

Page 17: ...M DIA HOLE UNIT POWER WIRE 2 50MM DIA HOLE SERVICE GAUGE PORT ACCESS 1 3 8 35MM DIA HOLE UNIT CONTROL WIRE 2 50MM DIA HOLE 50 7 8 1293 63 1 8 1604 99 5 8 2532 47 7 8 1217 27 5 8 700 Figure 11 12 5 ton...

Page 18: ...3 4 120 MM 27 5 8 701 MM 3 4 14 NPT DIA HOLE CONDENSATE DRAIN 3 7 8 98 MM Figure 13 12 5 tons standard efficiency unit clearance and roof opening CLEARANCE 36 914 MM CLEARANCE HORIZONTAL FLOW 18 457...

Page 19: ...68 MM 1 25 MM 18 1 2 470 MM 1 25 MM 80 1 2 2045 MM 83 7 8 2130 MM CLEARANCE 36 914 MM FOR DOWNFLOW CLEARANCE 18 457 MM FOR HORIZONTAL 34 3 8 873 MM 59 7 8 1521 MM 60 3 8 1534 MM 2 51 MM 2 51 MM 84 1 2...

Page 20: ...efficiency economizer manual or motorized fresh air damper DIMENSIONS EXTENDS TO 21 5 8 549MM WHEN POWERED EXHAUST IS COUPLED WITH LOW LEAK ECONOMIZER ECONOMIZER HOOD BAROMETRIC RELIEF HOOD 16 3 4 424...

Page 21: ...RT SVX071A EN 21 Figure 17 6 to 12 5 tons standard efficiency power exhaust ECONOMIZER HOOD 20 1 2 520 5 5 8 144 Dimensions and Weights...

Page 22: ...398 31 7 8 810 44 3 4 1135 GAS CONNECTION 3 4 NPT 280 320 400 MBh EVAPORATOR SECTION ACCESS PANEL CONDENSATE DRAIN INDOOR TOP PANEL CONTROL BOX SECTION ACCESS PANEL UNIT CONTROL WIRE 2 50 MM DIA HOLE...

Page 23: ...8 3 8 212MM 48 1223MM 6 5 8 167 MM 55 0577 1398 467 55 2977 1404 563 8 205MM 55 3 8 1404MM THROUGH THE BASE ELECTRICAL THROUGH THE BASE GAS Y_J MODELS ONLY Figure 21 15 to 25 ton standard efficiency...

Page 24: ...7 MM 76 1 2 1943 MM 81 2057 MM ROOF OPENING CLEARANCE FORM TOP OF UNIT 72 MM 1829 MM Figure 23 15 to 25 tons standard efficiency roof curb 117 3 16 2977 MM 7 1 2 191 MM 81 2057 MM 1 25 MM 1 25 MM 116...

Page 25: ...RT SVX071A EN 25 Figure 24 15 to 25 ton standard efficiency swing diameter for hinged door s option 32 809MM 30 754MM 36 907MM APPLICABLE TO Y_J MODELS ONLY Dimensions and Weights...

Page 26: ...clearances for single and multiple unit applications Side by Side Note 1 End to End Note 1 2 7 0 2134 MM 6 0 1829 MM 3 0 914 MM Single Unit 3 0 914 MM 3 0 914 MM 4 0 1219 MM Note 3 Notes 1 When equip...

Page 27: ...are given for information only Figure 26 Corner weights Center of Gravity Length Center of Gravity Width Center of Gravity A B C D Table 2 Factory installed options FIOPS accessory net weights lb Acce...

Page 28: ...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 no...

Page 29: ...unit to the roof with hold down bolts or isolators Check with a roofing contractor for proper waterproofing procedures Ductwork Supply and return air openings as viewed from the rear of the unit are...

Page 30: ...he necessary gaskets and hardware The purposed installation location provides the required clearance for proper operation Insure that the curb is level and square The top surface of the curb must be t...

Page 31: ...does not need additional moves by fork lift 2 Prepare unit for rigging as follows 6 to 12 5 ton units Remove all drill screws fastening wood protection to metal base rail Remove all screws securing w...

Page 32: ...age and material shortage file a freight claim and notify appropriate sales representative Verify correct model options and voltage from unit nameplate Verify that the installation location of the uni...

Page 33: ...harge configuration is used If any of the units are installed in the downflow discharge configuration and have the alternate TCO1 limit switch provided remove the additional TCO1 limit switch which is...

Page 34: ...de as shown Figure 44 Return duct cover RTV Sealant 5 Slide RETURN DUCT COVER insulation side up into supply opening until inward edge of duct cover engages with the 2 retaining clips on the duct flan...

Page 35: ...Smoke Detector The factory installed Return Air Smoke Detector is installed in the downflow discharge position for YSJ180 300 models No additional field setup is required If a unit is to be converted...

Page 36: ...cure the bottom bracket Air Fi Wireless Communication Interface The factory installed wireless communications interface is installed in the downflow discharge position If a unit is to be converted to...

Page 37: ...pect all control panel components tighten any loose connections Connect properly sized and protected power supply wiring to a field supplied installed disconnect switch and to the main power terminal...

Page 38: ...Description Connection Size 1 2 inch 3 4 inch D Pipe fitting x 7 x 6 E Gas ball valve F Street elbow G Pipe fitting x 2 x 2 H Tee pipe I Pipe fitting x 4 x 4 J Pipe cap K Pipe fitting x 2 x 2 L Pipe u...

Page 39: ...condensate drain pan out of the unit and rotate 180 4 Slide the condensate drain pan back into the unit align the drain with the grommeted opening in the rear support panel and push until the couplin...

Page 40: ...ilable supply power must be within 10 of the rated voltage stamped on the nameplate Use only copper conductors to connect the power supply to the unit NOTICE Use Copper Conductors Only Failure to use...

Page 41: ...tional electrical codes An overall layout of the various control options available with the required number of conductors for each control device is illustrated in the wiring diagram located on main c...

Page 42: ...42 RT SVX071A EN Figure 56 Low voltage wiring B cabinet Figure 57 Low voltage wiring C cabinet Installation...

Page 43: ...2 0 33 0 46 0 150 20 0 50 47 73 151 240 18 0 75 74 117 241 385 16 1 30 118 185 386 610 Table 7 Recommended wire lengths continued Wire Size Maximum recommended wire length from unit controller to sens...

Page 44: ...stance from Unit to Control Recommended Wire Size 0 150 feet 22 gauge 0 45 7 m 0 33 mm2 151 240 feet 20 gauge 46 73 1 m 0 50 mm2 Table 8 Zone sensor module wiring continued Distance from Unit to Contr...

Page 45: ...ing pin numbers are for reference only There are multiple smoke detector systems that could have differently numbered pins For correct wiring details please refer to the specific smoke detector litera...

Page 46: ...1 Pipe 15 76 176 345 750 1220 30 52 120 241 535 850 45 43 99 199 435 700 60 38 86 173 380 610 75 77 155 345 545 Note Capacity of Pipe of Different Diameters and Lengths in Cu Meter Per Hr with Pressu...

Page 47: ...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 Each reading must fall within the utiliz...

Page 48: ...Heaters Each compressor can be equipped with a crankcase heater On some units the crankcase heater comes standard The proper operation of the crankcase heater is important to maintain an elevated com...

Page 49: ...er will remain in any given state once initiated For detailed information on how each Service Test State is interpreted based on the equipment s configuration see ACC APG002 EN Symbio 700 for Preceden...

Page 50: ...detect or sustain flame failure to ignite no spark low no gas pressure etc 3 Flashes Pressure switch problem detected no vent air flow bad CBM closed at initial call for heat Auto reset Table 12 Igni...

Page 51: ...ponent start up or exit Service Test if complete Gas Heat Units Open the main disconnect switch to shut the unit off and to reset the RTRM Follow the Test Guide in Figure 62 p 49 to start the unit in...

Page 52: ...res refer to the appropriate section s of the smoke detector Installation and Maintenance Instructions provided with the literature package for this unit Condensate Overflow Switch During maintenance...

Page 53: ...oil Damage Failure to follow instructions below could result in coil damage DO NOT use any detergents with microchannel condenser coils Use pressurized water or air ONLY with pressure no greater than...

Page 54: ...54 RT SVX071A EN 3 For compressor replacements and or additional questions contact Technical Support Maintenance...

Page 55: ...mple maintenance log Date Current Ambient Temp F C Refrigerant Circuit 1 Refrigerant Circuit 2 Compr Oil Level Suct Press Psig kPa Disch Press Psig kPa Liquid Press Psig kPa Super heat F C Sub cool F...

Page 56: ...56 RT SVX071A EN Troubleshooting See ACC APG002 EN Application Guide Symbio 700 Controller with Precedent Packaged Rooftop Air Conditioners...

Page 57: ...l 12134343 SCHEMATIC SHEET 2 POWER SINGLE INDOOR FAN COOLING ONLY ELECTRIC HEAT HIGH SCCR Main Unit Symbio 700 230V 12134344 SCHEMATIC SHEET 2 POWER SINGLE INDOOR FAN 2 STAGE GAS HEAT 230V HIGH SCCR M...

Page 58: ...TIC SHEET 1 ELECTRIC HEAT 27 36 KW 240V Electric Heat Symbio 700 230V 12134303 SCHEMATIC SHEET 1 ELECTRIC HEAT 54 KW 240V Electric Heat Symbio 700 460V 575V 12134304 SCHEMATIC SHEET 1 ELECTRIC HEAT 9...

Page 59: ...COIL AIR SERVICE VALVE SUCTION LINE LIQUID LINE FITER DRIER TXV TXV BULB EQUALIZING LINE SERVICE VALVE AIR OUTDOOR COIL LOW PRESSURE CONTROL DISCHARGE LINE COMPRESSOR 1A S D COMPRESSOR 1B DISCHARGE L...

Page 60: ...COIL AIR SERVICE VALVE N O I T C U S LINE LIQUID LINE FILTER DRIER TXV TXV BULB EQUALIZING LINE SERVICE VALVE AIR OUTDOOR COIL LOW PRESSURE CONTROL COMPRESSOR 1A S D COMPRESSOR 1B DISCHARGE LINE THERM...

Page 61: ...SUCTION LINE LIQUID LINE FITER DRIER TXV 1 EQUALIZING LINE SERVICE VALVE OUTDOOR COIL LOW PRESSURE CONTROL DISCHARGE LINE DISCHARGE LINE THERMOSTAT HIGH PRESSURE CONTROL AIR AIR INDOOR COIL 1 INDOOR...

Page 62: ...1 EQUALIZING LINE SERVICE VALVE OUTDOOR COIL LOW PRESSURE CONTROL DISCHARGE LINE THERMOSTAT HIGH PRESSURE CONTROL AIR AIR INDOOR COIL 1 INDOOR COIL 2 TXV BULB 2 TXV BULB 1 TXV 2 EQUALIZING LINE DISCH...

Page 63: ...antor factory or warehouse at warrantor designated shipping point freight allowed to buyer s city replacement parts for warrantor s products covered under this warranty Warrantor shall not be obligate...

Page 64: ...formation please visit trane com or americanstandardair com Trane and American Standard have a policy of continuous product and product data improvement and reserve the right to change design and spec...

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