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Trane 4TXK6524D1000AL, Installation, Operation And Maintenance Manual

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Trane 4TXK6524D1000AL Installation, Operation And Maintenance Manual Download Page 26

26

 MS-SVN052E-EN

System Operation

Summary of Contents for 4TXK6524D1000AL

Page 1: ...in death or serious injury When working on the equipment observe all caution indications in the literature and on the tags stickers and labels that are attached to the equipment May 2017 MS SVN052E EN Heat Pump 4TXK6524D1000AL 4TXK6536D1000AL 4TXK6548D1000AL 4TXK6560D1000AL 4TYK6524D1000AL 4TYK6536D1000AL 4TYK6548D1000AL 4TYK6560D1000AL MCC05 MCX05 MCD05 Cooling Only Installation Operation and Mai...

Page 2: ...2 MS SVN052E EN Content Identification 5 Unit Installation 8 Electrical Connections 17 System Operation 19 Wiring Diagrams 28 Troubleshooting 30 ...

Page 3: ...cedures 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 The three types of advisories are defined as follows WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTIONs Indicates a potentially hazar...

Page 4: ...ash 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 a...

Page 5: ...le POE or PVE oils Manifold gauge classification should be 800 PSIG on the high side and 250 PSIG on the low side with 550 PSIG for restart on the low side All hoses must be classified for 700 PSIG service pressure Leak detectors must be designed to detect R 410A refrigerant Recovery equipment including containers for refrigerant recovery must be designed specifically to handle R 410A refrigerant ...

Page 6: ...nit is not designed to operate with a low ambient kit The control system shall not be modified to operate with any type of low ambient kit 5 The maximum length of line allowed for this product is of 100 feet Outdoor units are designed to connect to an indoor coil with brazed connection lines These units are shipped with factory charged refrigerant to be connected to a matched indoor coil and to 4 ...

Page 7: ...6 843 29 1 8 740 29 1 8 740 3 8 7 8 60 33 3 16 843 29 1 8 740 29 1 8 740 3 8 7 8 DIMENSIONAL DATA CONTROL WIRING 7 8 22 2mm KNOCKOUT 1 11 32 34 5mm SERVICE CONNECTOR POWER WIRING SEE DETAIL A DETAIL A ORIFICE 1 3 32 27 8mm NOTE GRILL APPEARANCE MAY VARY DISCHARGE AIR ALLOW 60 1 5m MINIMUM CLEARANCE INCOMING AIR DAMPER WITH VENTS ALLOW 18 0 45m MINIMUM CLEARANCE W SUCTION LINE CONNECTION LIQUID LIN...

Page 8: ...accumulation of mud or ice may cause personal injury or damages to the system Place the unit high enough to avoid blocking the entry of air due to ice snow or in areas that are prone to accumulate ice snow Isolate the unit away from drains to avoid mud slides landslides of the foundation Installation on the Roof When installing the unit on the roof the structure should be able to support the total...

Page 9: ...Installation Factory Recommendation for Mounting the Unit 1 Before installation clean the mounting surface Important The cement base must comply with local codes and be thick enough to sustain the installation of fasteners 2 Center and level the unit over the base or mounting surface 3 Using the provided L shaped bracket mark the boring holes over the concrete and bore holes of at least 1 4 additi...

Page 10: ...omponents o to the filter 3 Take special care in the application of insulation to refrigerant lines in order to minimize the transmission of sound to the structure 4 When applying insulation material to the suction line refrigerant lines should be supported as illustrated in Figure 5 DO NOT allow any friction contact between metal piping 5 Use PVC piping as conduit in all underground installations...

Page 11: ...liquid line Insulation optional Wrong Suggested Sheet metal support Insulated suction line A serpentín interior A unidad exterior Tapa Línea vapor aislada Línea liquido To indoor fan To power supply To Coil Disconnect switch Seal openings with Permagum sealant or equivalent 24V signal NOTE All outdoor wiring should be weather proof ...

Page 12: ...ionary Measures During Service Valve Brazing Precautionary measures should be adopted to prevent heat damage to the service valve Wrap a wet cloth around the valve as shown in Figure 8 During brazing action protect all painted surfaces and insulation also be sure to remove the Schraeder core to protect it against high temperature in the area due to the welding process Once brazing has ended wrap t...

Page 13: ...all 9 Replace the plunger piston cap once more and tighten with your fingers give it an additional 1 1 2 turn with your fingers The cap should be placed in order to prevent leaking WARNING Never try to repair soldered connections while the system is under low pressure Such action could provoke personal injuries Consult System Charging section to verify and register system charge values Interconnec...

Page 14: ...he equipment Vertical Rise Keep the vertical rise at a minimum See the following guides for unit installation 1 DO NOT exceed vertical rise as indicated in Table 3 2 It is recommended to use the smallest allowable size for liquid line in order to minimize system charge This will maximize compressor reliability Table 3 may be used to define dimensions for horizontal runs Outdoor units Indoor units ...

Page 15: ...expansion device calibrated orifice mounted on the indoor unit See images Step 2 Connect liquid line and gas line piping to the outdoor unit brazed fitting Step 3 Connect the thermostatic expansion valve TXV to the liquid line and gas line connections coming from the outdoor unit Step 4 Connect the thermostatic expansion valve TXV to the liquid line and gas line piping of the indoor unit Apply app...

Page 16: ...ultiplier R410A Table 3 Dimension of Líquid Line R410A Note 1 x Standard line size 2 N A application not recommended 3 Charge multiplier for additional interconnection of refrigerant line length Líquid 3 8 0 6oz ft Model Size 2 Ton 3 Ton 4 Ton 5 Ton Suction Line Connection Size 3 8 Std 3 8 Std 3 8 Std 3 8 Std Suction Line routing in feet 5 8 Opt 5 8 Opt 3 4 Opt 3 4 Opt 3 4 Std 3 4 Std 7 8 Std 7 8 ...

Page 17: ...ervice access panel as well as in the present manual Power Wiring of Field Connections 1 Install properly sized and weather proof disconnect switch outdoors and close to the unit 2 Remove retaining screws on the side of the corner panel Slide corner panel downwards to remove it See Figure 12 3 Run power wiring from the disconnect switch to the unit 4 Direct cables from the disconnect point through...

Page 18: ...reful with motor wiring Step 3 Place top panel on the floor Important Take care NOT to allow fan blades to rest on or touch the floor or against any surface Step 4 Remove fan motor with the removal of all 5 16 nuts from the panel Step 5 Remove fan blades from motor fan with the removal of 1 2 nut and place fan on the floor Step 6 Invert the removal process when ready to reinstall fan and motor Imp...

Page 19: ...mperature and T4 indoor temperature heat pump only T5 Compressor discharge temperature and Tf IPM radiator temperature Pressure Transducer Sensor Description T3 temperature sensor is used for Protection during system operation high low coil temperature Outdoor fan control cooling Defrost heat pump only Forecasting environment temperature cooling only T4 sensor is required heat pump only for Enabli...

Page 20: ...sor cummulative time of operation coil temperature and high pressure when high pressure is found to be lower than a specific value Defrost cycle starts under one of 3 conditions as follows 1 When temperature differential Delta T between outdoor temperature T4 and coil temperature T3 reaches a duration of 5 minutes that is T4 39ºF Delta T 18ºF T4 30ºF Delta T 16ºF T4 19ºF Delta T 14ºF When T4 19ºF ...

Page 21: ...cated on the lower half of the compressor shell Its purpose is to heat the compressor during the OFF cycle and avoid the return of refrigerant to the compressor At initial startup or after extended periods of inactivity the crankcase heater must be activated during a minimum of 12 hours prior to compressor operation applying line tension to the system but with the controller in OFF mode Crankcase ...

Page 22: ...ling mode the compressor starts up again When DT 221ºF during heating mode the compressor starts up again High pressure protection HPS mechanical switch opening closing pressure When HPS is P 580 PSIG both the compressor and outdoor fan shut down When HPS is P 435 PSIG both the compressor and outdoor fan start up again Low pressure protection LP When LP 43 5 PSI during a period of 5 minutes in the...

Page 23: ...__________ c 4 Refrigerant multiplier 0 6 or 0 4 oz ft d 5 Additional refrigerant c d ____________ e If the line is shorter than 15 feet e 0 Sealed system repairs Charge calculation 1 Total line length feet __________ a 2 Standard line feet ____15______ b 3 a less b _____________ c 4 Refrigerant multiplier 0 6 or 0 4 oz ft d 5 Additional refrigerant c d ____________ e 6 Factory charge unit namepla...

Page 24: ...24 MS SVN052E EN System Operation Sub cooling charge and refrigerant adjustment during cooling mode above 55ºF outdoor temperature ...

Page 25: ...MS SVN052E EN 25 System Operation ...

Page 26: ...26 MS SVN052E EN System Operation ...

Page 27: ...Cleaning methods should be exercised frequently to maintain the unit under a clean state Use appropriate brushes vacuum cleaners or other adequate accessories 2 Outdoor fan motor is permanently lubricated and does not require periodic oiling 3 Refer to heater and air handler instructions for filter and fan motor maintenance 4 Carry out regular inspections of the indoor coil and drain pan to ensure...

Page 28: ... EN Wiring Diagrams Wiring Diagrams CAUTION These units must be wired and installed in compliance with all national state and local security codes Figure 14 Outdoor Unit Wiring for A C Systems 208 230V 1 Phase 60Hz ...

Page 29: ...st description C1 Compressor N1 Common 24 VAC C Common 24 VAC Y Compressor Grounding ID Unit OD Unit Post description C1 Compressor N1 Common 24 VAC V1 4 way valve F1 Outdoor fan signal C Common 24 VAC B 4 way valve Y Compressor W Aux elec resistor N A Grounding Model Minimum Circuit Ampicity A Maximum Circuit Protection A 24AC 17 7 30 36AC 24 2 40 48AC 31 9 50 60AC 36 5 60 24HP 17 7 30 36HP 24 2 ...

Page 30: ...30 MS SVN052E EN Troubleshooting Troubleshooting Table 5 Troubleshooting ...

Page 31: ...MS SVN052E EN 31 Troubleshooting Table 6 Fault Codes ...

Page 32: ...ter value will appear When pressing a second time the following sequence appears For normal status display the last 2 digits appear under the following conditions i Unit is not in operation delay mode outdoor ambient temperature ii Unit is in operation compressor frequency of operation will be displayed After a 20 second delay under the same parameter the display returns to its normal state If a s...

Page 33: ...MS SVN052E EN 33 Troubleshooting For model 24 36k ...

Page 34: ...34 MS SVN052E EN Troubleshooting For model 48 60k and board Board ...

Page 35: ...MS SVN052E EN 35 Troubleshooting ...

Page 36: ... Trane work together to enhance the quality and comfort of air in homes and buildings transport and protect food and perishables and increase industrial productivity and efficiency We are a global business committed to a world of sustainable progress and enduring results We are committed to using environmentally conscious printing practices 2017 Trane All Rights Reserved MS SVN052E EN May 3 2017 N...

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