Emerson Copeland ZXLE-018E Application Manuallines Download | Manualshive

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Copeland

™

ZX Small

Outdoor Refrigeration Units

Application Guidelines

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Summary of Contents for Copeland ZXLE-018E

Page 1: ...Copeland ZX Small Outdoor Refrigeration Units Application Guidelines ...

Page 2: ...nits 6 2 8 2 P I diagram for ZXLE units 7 2 9 Main components description 8 2 9 1 Compressor 8 2 9 2 Condenser fan 8 2 9 3 Housing 8 2 10 Main control safety features 9 2 10 1 Suction pressure control 9 2 10 2 Motor current overload protection 9 2 10 3 Fixed high pressure switch PS4 9 2 10 4 Adjustable low pressure switch PS1 9 2 10 5 Crankcase heater 9 2 10 6 Liquid line assembly 9 2 10 7 Room th...

Page 3: ...6 4 3 Rotation direction of scroll compressors 16 4 4 Maximum compressor cycle 16 4 5 Checks before starting during operation 17 4 6 Restart after unexpected stop 17 5 Maintenance repair 18 5 1 Replacing a compressor 18 5 2 Safety devices 18 5 3 Condenser fins 18 5 4 Electrical connections 19 5 5 Routine leak testing 19 5 6 Condenser fan motor 19 6 Certification approval 19 7 Dismantling disposal ...

Page 4: ...fer to the Manufacturer s Declaration available at www climate emerson com en gb These instructions should be retained throughout the lifetime of both the compressor and the refrigeration unit You are strongly advised to follow these safety instructions 1 1 Icon explanation WARNING This icon indicates instructions to avoid personal injury and material damage CAUTION This icon indicates instruction...

Page 5: ...t charge or without being connected to the system CAUTION Contact with POE Material damage POE lubricant must be handled carefully and the proper protective equipment gloves eye protection etc must be used at all times POE must not come into contact with any surface or material that it might damage including without limitation certain polymers eg PVC CPVC and polycarbonate IMPORTANT Transit damage...

Page 6: ...ftware available at www climate emerson com en gb These guidelines meet the requirements of Regulation 2015 1095 Annex V section 2 a with regard to product information namely v See chapter 2 6 Application range vi See chapters 5 3 Condenser fins and 5 5 Routine leak testing vii See chapters 2 10 Main control safety features and 4 2 Charging procedure viii See chapter 7 Dismantling disposal 2 3 Mai...

Page 7: ... ZX Small refrigeration unit features The drawings hereafter show the overall physical dimensions of the Copeland ZX Small refrigeration units in millimetres Figure 1 Dimensions of ZX Small refrigeration units all models 2 4 Product nameplate The refrigeration unit nameplate shows model designation and serial number as well as locked rotor amps rated current safety pressures and weight The compres...

Page 8: ... Arctic 22CC Oil charge litres 0 74 Table 3 Qualified refrigerants and oils 2 6 2 Application limits For application envelopes please refer to the compressor application envelopes which can be found in Copeland Select software available at www climate emerson com en gb Copeland ZX Small refrigeration units can be used at ambient temperatures from 15 to 43 C For lower ambient temperatures please co...

Page 9: ...n Description 1 Scroll compressor 2 Condenser 3 Liquid receiver 4 Filter drier 5 Sight glass 6 Service valve liquid line 7 Service valve suction line 8 Crankcase heater TSH Discharge line thermostat PSH High pressure limiter PSL Low pressure limiter FSY Fan speed controller Table 5 Legend of the P I diagram for ZXME units ...

Page 10: ...rant before it enters the expansion valve Both the suction and liquid interconnecting piping between the unit and the evaporator should be insulated to avoid condensation Figure 4 P I diagram for ZXLE units Position Description Position 1 Scroll compressor 9 Liquid injection valve 2 Condenser 10 Plate heat exchanger 3 Liquid receiver 11 Solenoid valve 4 Filter drier TSH Discharge line thermostat 5...

Page 11: ...se fan Refrigeration unit Number of fans pcs Fan speed rpm Diameter mm Voltage V Ph Hz Power input W ZXME 013E 1 900 450 220 240 V 1 Ph 50 Hz 106 ZXME 015E ZXME 018E ZXLE 018E ZXLE 023E ZXLE 028E Table 8 Condenser fan technical data 2 9 3 Housing Figure 5 ZX Small unit housing NOTE For detailed information about unit components and spare parts please refer to the compressor application guidelines ...

Page 12: ... outside of its safe high pressure range ZXME with BOM 301 Cut out 26 bar cut in 20 bar ZXME with BOM 302 ZXLE Cut out 28 bar cut in 21 bar The compressor is switched on automatically when the pressure falls below the cut in value 2 10 4 Adjustable low pressure switch PS1 This device protects the system against low pressure operation It must be adjusted depending on running conditions and potentia...

Page 13: ...of the unit packaging Keep the packaging dry at all times Never lift or move the units with the housing removed all the panels should be in place and properly tightened Do not remove the pallet until the unit has reached its final destination Respect the maximum number of identical packages which may be stacked on one another where n is the limiting number Transport n 1 Storage n 1 Figure 6 Maximu...

Page 14: ...and lower oil traps double risers and reduced pipe diameters may be required for suction lines where long vertical risers cannot be avoided All pipes should be adequately supported to prevent sagging which can create oil traps The recommended pipe clamp support distance is shown in Table 10 below Tube size Max distance between 2 clamp supports 1 2 12 7 mm 1 20 m 5 8 16 0 mm 1 50 m 7 8 22 0 mm 1 85...

Page 15: ... out of the fitting To reconnect See procedure above 3 3 Electrical connection WARNING Earth leakage current Electrical shock hazard The power supply of these units must include an RCD protection with a sensitivity of 30 mA IMPORTANT The front cover of the electrical box is protected by a ground connection Open the electrical box cover carefully to avoid pulling out the ground wire 3 3 1 Power sup...

Page 16: ...missioning make sure to reconnect the ground wire to the front cover Figure 10 Ground connection on electrical box cover Figure 11 Ground connection details 3 3 2 Maximum operating currents for cable selection Unit Locked rotor current Rated current ZXME 013E 45 A 8 A ZXME 015E 45 A 9 4 A ZXME 018E 54 A 10 7 A ZXLE 018E 61 A 11 5 A ZXLE 023E 79 A 11 4 A ZXLE 028E 76 7 A 11 8 A Table 11 Unit maximu...

Page 17: ...allation in mm Where multiple units are to be installed in the same location the contractor needs to consider each individual case carefully There can be many variations of unit quantities and available space and it is not the intention of this manual to go over these However as a rule air by pass around each condenser and between the units should always be avoided Ideally the unit should be mount...

Page 18: ...sed Compressor damage Do not charge the unit with vapour gas The suction service valve must not be fully closed at any time when the compressor is running To do so would cause damage to the compressor in the same manner as explained above This valve is provided for ease of connection and for the fitting of service gauges without removing the unit panel IMPORTANT Inadequate charge Overheating The s...

Page 19: ...ge only After commissioning the oil level should be checked and topped up as necessary NOTE The oil level should be approximately halfway up the sight glass As mentioned in paragraph 2 6 1 Qualified refrigerants and oils Emerson recommends using one of the following oil types Emkarate RL 32 3MAF Mobil EAL Arctic 22 CC Charging is done through the Schraeder valve located on the suction valve see Fi...

Page 20: ...entation for the system and its marking especially pressure equipment Installation of safety devices Compressor oil level Pressure test records All valves open closed as required for operation After start up and when operation conditions have stabilised It is recommended to check the oil level in the compressors and to add oil if necessary to ensure a sufficient oil level halfway up the sight glas...

Page 21: ... the new one NOTE For more information about unit components and spare parts please refer to the compressor application guidelines and to the Copeland Spare Parts Catalogue available at www climate emerson com en gb tools resources 5 2 Safety devices During regular maintenance all mechanical safety devices such as high and low pressure switches must be checked for proper functioning and triggering...

Page 22: ...r maintenance schedule NOTE In order to meet the requirements of the Ecodesign Directive 2009 125 EC with regard to efficient system operation ensure the refrigerant and oil charges are sufficient 5 6 Condenser fan motor A yearly inspection of these items is recommended Fastenings can become loose bearings may wear out and fans may require cleaning of solid deposits that can cause rotational imbal...

Page 23: ...20 AGL_Unit_ZX_Small_E_Rev03 Appendix 1 Wiring diagrams ZX Small units 220 240 V 1 Ph 50 Hz Figure 15 Wiring diagram ZXME units ...

Page 24: ...AGL_Unit_ZX_Small_E_Rev03 21 Figure 16 Wiring diagram ZXLE units ...

Page 25: ... A F2 Fuse 3 15 A M1 Compressor motor W1 Compressor power cable M2 Fan motor W3 Fan power cable Q01 Main switch Q11 Contactor Q11 RC RC suppressor S1 Low pressure switch W4 Control cable S2 Discharge line W5 DLT cable S3 Room thermostat W9 Room thermostat cable supplied by customer S4 High pressure switch W7 High pressure switch cable X1 Terminal block Y1 Solenoid valve Table 13 Legend of the wiri...

Page 26: ... diagrams 22 Figures Figure 1 Dimensions of ZX Small refrigeration units all models 4 Figure 2 Nomenclature ZX Small units 5 Figure 3 P I diagram for ZXME units 6 Figure 4 P I diagram for ZXLE units 7 Figure 5 ZX Small unit housing 8 Figure 6 Maximum stacking loads for transport and storage 10 Figure 7 Brazing Sectional view 12 Figure 8 Suction tube brazing areas 12 Figure 9 Additional ground conn...

Page 27: ... Technologies GmbH and or its affiliates collectively Emerson as applicable reserve the right to modify the design or specifications of such products at any time without notice 3 Emerson does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson product remains solely with the purchaser or end user 4 Eme...

Page 28: ...ee Zone South Dubai UAE Tel 971 4 811 81 00 Fax 971 4 886 54 65 mea sales emerson com ASIA PACIFIC Suite 2503 8 25 F Exchange Tower 33 Wang Chiu Road Kowloon Bay Kowloon Hong Kong Tel 852 2866 3108 Fax 852 2520 6227 CZECH REPUBLIC Hajkova 22 CZ 133 00 Prague Tel 420 733 161 651 Fax 420 271 035 655 Pavel Sudek emerson com SPAIN PORTUGAL C Pujades 51 55 Box 53 ES 08005 Barcelona Tel 34 93 412 37 52 ...

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