Trane Precedent YHJ072A Скачать руководство пользователя страница 5 | Manualshive

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RT-SVX075A-EN

5

DC Conductors . . . . . . . . . . . . . . . . . . . . . . . 43

Space Temperature Averaging . . . . . . . . . . . . . 44

Pre-Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Voltage Imbalance . . . . . . . . . . . . . . . . . . . . . . . . 46

Electrical Phasing (Three Phase
Motors). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Compressor Crankcase Heaters . . . . . . . . . . . . 47

Symbio Controls . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Unit Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Sequence of Operation . . . . . . . . . . . . . . . . . . . . 49

Ignition Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Return Air Smoke Detector. . . . . . . . . . . . . . . . . 49

Compressor Start-Up . . . . . . . . . . . . . . . . . . . . . 49

Hot Gas Reheat . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Gas Heat Units . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Final System Setup . . . . . . . . . . . . . . . . . . . . . . . 50

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Monthly Maintenance . . . . . . . . . . . . . . . . . . . . . 51

Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Return Air Smoke Detector
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 51
Condensate Overflow Switch . . . . . . . . . . . 51
Cooling Season. . . . . . . . . . . . . . . . . . . . . . . 51
Heating Season. . . . . . . . . . . . . . . . . . . . . . . 51

Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . 52
Microchannel (MCHE) Coils . . . . . . . . . . . . 52

Annual Maintenance . . . . . . . . . . . . . . . . . . . . . . 53

Final Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Wiring Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Piping Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Gas Heat Operation and Maintenance . . . . . . . 61

Gas Heat Unit General Information . . . . . . . . . . 61

Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Heating System . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Heating Cycle Operation . . . . . . . . . . . . . . . 62
Safety Controls . . . . . . . . . . . . . . . . . . . . . . . 63

Heating System Start-Up . . . . . . . . . . . . . . . . . . 63

Heating System Shutdown . . . . . . . . . . . . . . . . . 64

Turning Off Gas to Unit . . . . . . . . . . . . . . . . 64

Heating System Maintenance . . . . . . . . . . . . . . 64

Condensate Overflow Sensor
(Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Electric Air Conditioner . . . . . . . . . . . . . . . . . . . . 66

YHJ Precedent Models . . . . . . . . . . . . . . . . 66

Table of Contents

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Содержание Precedent YHJ072A

Страница 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...

Страница 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...

Страница 3: ...m a phone outside of the building immediately call your gas supplier Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department WARNING Safety Hazards Failur...

Страница 4: ...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 Precautionary Measures 12 First Aid Mea...

Страница 5: ...tor Maintenance 51 Condensate Overflow Switch 51 Cooling Season 51 Heating Season 51 Coil Cleaning 52 Microchannel MCHE Coils 52 Annual Maintenance 53 Final Process 53 Troubleshooting 54 Wiring Diagra...

Страница 6: ...with Standard Motor 3 Single Zone Variable Air Volume with Oversized High Static Motor 4 Multiple Zone Variable Air Volume with Standard Motor 5 Multiple Zone Variable Air Volume with Oversized High...

Страница 7: ...Overflow Switch and Discharge Air Sensing Tube1 2 Digit 26 Not Used Digit 27 Unit Hardware Enhancements 0 No Enhancements 1 Stainless Steel Drain Pan Digit 28 Short Circuit Current Rating 0 Standard 5...

Страница 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...

Страница 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...

Страница 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...

Страница 11: ...e 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 coil...

Страница 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...

Страница 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...

Страница 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 high efficiency unit clearance and roof opening CLEARANCE 36 914 MM CLEARANCE FROM TOP OF UNIT 72 TYPICAL ROOF OPENING CLEARANCE...

Страница 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...

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

Страница 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...

Страница 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 high efficiency unit clearance and roof opening CLEARANCE 36 914 MM CLEARANCE HORIZONTAL FLOW 18 457 MM D...

Страница 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...

Страница 20: ...ficiency 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 7...

Страница 21: ...RT SVX075A EN 21 Figure 17 6 to 12 5 tons high efficiency power exhaust ECONOMIZER HOOD 20 1 2 520 5 5 8 144 Dimensions and Weights...

Страница 22: ...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 UNIT POWER WIRE 2 50 MM DI...

Страница 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 high efficiency hori...

Страница 24: ...68 1727 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 high efficiency roof curb 117 3 16 2977 MM 7 1 2 191 MM 81 2057 MM 1 25 MM 1 25 MM 1...

Страница 25: ...RT SVX075A EN 25 Figure 24 15 to 25 ton high efficiency swing diameter for hinged door s option 32 809MM 30 754MM 36 907MM Dimensions and Weights...

Страница 26: ...stead of base 2 Clearance is the same if any unit is rotated 180 degrees 4 0 1219 MM for D cabinet 5 0 1525 MM for D cabinet 5 8 for D cabinet 1727 MM Weights Table 1 Model weights corner weights lbs...

Страница 27: ...Outside Air Damper 26 26 15 Motorized Outside Air Damper 30 30 82 Oversized Motor 14 30 Powered Convenience Outlet 38 50 50 Powered Exhaust 80 80 110 Reheat Coil 16 20 33 Roof Curb 105 111 235 Smoke...

Страница 28: ...chains or slings may not be of the same length Adjust as necessary for even unit lift WARNING Improper Unit Lift Failure to properly lift unit in a LEVEL position could result in unit dropping and pos...

Страница 29: ...or the 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 uni...

Страница 30: ...kets 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 true to assure an...

Страница 31: ...it 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...

Страница 32: ...e 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 unit...

Страница 33: ...he units are installed in the downflow discharge configuration and have the alternate TCO1 limit switch provided remove the additional TCO1 limit switch which is either attached to the combustion blow...

Страница 34: ...F RTV sealant around flange opposite insulation side 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...

Страница 35: ...n when sliding out of vestibule face during removal Return Air Smoke Detector The factory installed Return Air Smoke Detector is installed in the downflow discharge position for 15 to 25 ton units No...

Страница 36: ...t be removed to allow the cable to extend to the horizontal mounting location Main Electrical Power Requirements WARNING Hazardous Voltage w Capacitors Failure to disconnect power and discharge capaci...

Страница 37: ...d includes the shut off valve a pressure tap for testing and the necessary unions for field connection For through the base access remove the factory provided cap from the base pan opening See Figure...

Страница 38: ...a soap solution If piping connections to the unit are complete do not pressurize piping in excess of 0 50 PSIG or 14 inch W C to prevent component failure Drip leg installed in the gas piping near the...

Страница 39: ...p using the guidelines in Figure 53 p 39 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...

Страница 40: ...with local and national codes Optional TBUE Wiring Through the Base Electrical Option Location of the applicable electrical service is illustrated below Refer to the customer connection diagram that...

Страница 41: ...set by pressing in on the black reset button Controls using 24 VAC Before installing any connecting wiring refer to the Dimensions and Weights chapter for the electrical access locations provided on t...

Страница 42: ...42 RT SVX075A EN Figure 55 Low voltage wiring C cabinet Figure 56 Low voltage wiring D cabinet Installation...

Страница 43: ...on the unit Table 8 p 43 lists the conductor sizing guidelines that must be followed when interconnecting the DC binary output devices and the system components utilizing a DC analog input output sign...

Страница 44: ...of remote sensors is required Example 2 illustrates three sensors squared in a series parallel circuit Using BAYSENS077 two sensors are required to accomplish space temperature averaging Example 3 ill...

Страница 45: ...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...

Страница 46: ...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...

Страница 47: ...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...

Страница 48: ...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...

Страница 49: ...able 12 Ignition module diagnostics Steady OFF No Power Failure Internal Failure Steady ON Normal No Call for heat Slow Flash Rate Normal call for heat second on second off 1 Flash Loss of Communicati...

Страница 50: ...vice 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 60 p 48 to start the unit in the heating mode Momentaril...

Страница 51: ...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...

Страница 52: ...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...

Страница 53: ...l panel Connections Schematics Table 14 Sample 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...

Страница 54: ...54 RT SVX075A EN Troubleshooting See ACC APG002 EN Application Guide Symbio 700 Controller with Precedent Packaged Rooftop Air Conditioners...

Страница 55: ...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...

Страница 56: ...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...

Страница 57: ...OIL 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 LIN...

Страница 58: ...IL 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 THERMOS...

Страница 59: ...UCTION 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 CO...

Страница 60: ...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 DISCHAR...

Страница 61: ...Never remove panels or parts from the unit that are not discussed in this manual Never cover the unit since it is designed to operate year round The unit has a complex design To ensure that it perfor...

Страница 62: ...or duct system It may be necessary to replace permanent filters annually if washing fails to clean the filter be sure to use the same type and size as was originally installed Table 16 Recommended st...

Страница 63: ...energized For variable frequency drives or other energy storing components provided by Trane or others refer to the appropriate manufacturer s literature for allowable waiting periods for discharge of...

Страница 64: ...ure 66 p 63 4 Change ON OFF switch to the OFF position 5 Replace panel removed in Step 3 Heating System Maintenance WARNING Hazard of Explosion or Fire Failure to follow instructions could result in d...

Страница 65: ...RT SVX075A EN 65 Condensate Overflow Sensor Optional If installed the condensate overflow switch will shut down the unit before a drain pan overflow occurs Gas Heat Operation and Maintenance...

Страница 66: ...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...

Страница 67: ...RT SVX075A EN 67 Notes...

Страница 68: ...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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