J&E Hall V3 FUSION Technical Manual
Commercial condensing units medium & low temperature applications
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Summary of Contents for J&E Hall V3 FUSION
- Page 1 COMMERCIAL CONDENSING UNITS TECHNICAL MANUAL V3 FUSION & FUSION SCROLL Commercial Condensing Units Medium & Low Temperature Applications ISSUE: 01.10.2021 Contents Issue: 01.10 .2021 Page 1...
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Page 2: Table Of Contents
Contents Nomenclature & Standard Product Configuration Specifications Unit Data Health & Safety General Information Installation Unit Location Installation Clearances Field Piping Pipe Size Selection ( For EVI Unit Only) Insulation Selection ( For EVI Unit Only) Expansion Valve Selection ( For EVI Unit Only) Pressure Testing Evacuation &... -
Page 3: Nomenclature & Standard Product Configuration
Nomenclature JEH R 0140 B 2 M 1 ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ① ⑤ J & E Hall International Unit Series ② ⑥ R: Reciprocating S: Scroll M: Medium Temperature L: Low Temperature ③ ⑦ Approximate HP (0140 = 1.4hp) Power Supply: 1: 230V / 1Ph / 50Hz 3: 400V / 3Ph / 50Hz ④... -
Page 4: Specifications
Specifications Electrical Data COP / (SEPR) Compressor Connections Dimensions Compressor Oil Sep. Fan Motors Coil Liquid Unit Dry SPL @ Airflow Charge Volume Receiver Weight Unit Model Sw ept Unit Mounting Type Liquid Suction Type Volume Charge (W x D x H) x D) (m³/h) (Litres) (Litres) -
Page 5: Health & Safety
Health and Safety Important Note: Only qualified personnel, who are familiar with refrigeration systems and components including all controls, should perform the installation and start-up of the system. To avoid potential injury, use care when working around coil surfaces or sharp edges of metal cabinets. All piping and electrical wiring should be installed in accordance with all applicable standards and local by-laws. -
Page 6: Installation
Installation Unit location • In order to achieve maximum cooling capacity, the installation location for the condensing unit should be carefully selected. • Install the condensing unit in such a way so that hot air ejected by the condensing unit cannot be drawn in again (short circuit of hot discharge air). -
Page 7: Field Piping
Installation Field piping Important Note: Pipe sizing should only be determined by qualified personnel. Correct line sizing will minimize the pressure drop and maintain sufficient gas velocity for proper oil return. All applicable standards must be observed in the installation of refrigerant piping. To ensure satisfactory operation and performance, the following points should be noted: •... -
Page 8: Pipe Size Selection (For Evi Unit Only)
Installation Pipe size selection (For EVI unit only) Sizing of liquid and suction lines for EVI model will be different from standard scroll models. Piping sizes of this model need to follow the recommended correction coefficient of cooling capacity. This is vital as if the pipework selected is oversized, especially for the suction pipe, the gas velocity will be decreased at low mass flow rate / low evaporating temperature, causing oil return problems. -
Page 9: Insulation Selection (For Evi Unit Only)
Installation Insulation selection (For EVI unit only) The liquid pipe connecting CCU service valve to the evaporator must be well insulated with recommended wall thickness of minimum ¾’’. Expansion valve selection (For EVI unit only) The lower liquid temperature of the EVI unit can increase evaporator expansion valve capacities. Selection of the expansion valve needs to be done based on the expected amount of sub-cooling shown in below tables: (A.) R407A JEHS-0950/1150-B4-L-3 EVI... -
Page 10: Pressure Testing
Installation Pressure testing The condensing units are pressure tested in the factory prior to dispatch. All units come with a holding charge of oxygen free nitrogen. Remove the holding charge indication tag which is tied to service valve before installation. Once the pipework installation is complete, it should be pressure tested prior to evacuation to test for leaks. -
Page 11: Electrical
Installation Electrical Important Note: The mains electrical supply to the condensing unit must be via a suitable motor rated circuit breaker or fuse. A mains isolator is fitted to all condensing units therefore an additional isolator is not required unless site conditions or regulations dictate differently. -
Page 12: Commissioning
Commissioning Pre startup checks Before starting the condensing unit the following checks should be carried out as a minimum: • Check electrical supply is correct and all connections are sound. • All moving parts are free and guards fitted. • Check all mechanical connections for tightness –... -
Page 13: Compressor Operation
Commissioning Compressor operation Scroll compressor motors are designed to run only in one direction. This is not an issue with single phase compressors as they will always run in the correct direction. The correct rotation of a three phase compressor motor depends on the connection of the three incoming phases to the unit. -
Page 14: Compressor Operating Pressure
Commissioning Low pressure safety The low pressure safety switch protects the compressor against deep vacuum operation, a potential cause of failure due to internal arcing and also operation outside the compressor limits. The low pressure safety cut out should never be set below the settings as shown in the following table. For systems without pump-down the LP switch signal contact shall be used to energize a low pressure safety alarm. -
Page 15: Fan Control Switch (Series 1 Lt Units Only)
Commissioning Fan control switch (Series 1 LT units only) The high energy efficiency as shown in eco design sheet can be obtained with the setting shown in below table. For model in Series 1 LT: R448A R452A Refrigerant R449A Setting (bar) Cut in Setting (bar) * default factory setting... -
Page 16: For Evi Unit Only
Commissioning For EVI unit only: Controller EXD-HP1 The controller EXD-HP1 used in the Series 4 EVI unit operates as an economizer control. The setting of controller is preset by the factory and is password protected. Users are not allowed to change any settings in the controller. Safety Instructions: 1. - Page 17 Commissioning Variable data Controller EXD-HP1 Default Superheat, K Suction pressure, bar Valve position, % Suction gas temperature, °C Saturation temperature, °C Discharge temperature, °C Digital input Di1/Di2 • The digital input Di1 is the interface between controller EXD-HP1 and system controller if Modbus communication has not been used.
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Page 18: Dimensional Drawings
Dimensional Drawings JEHR-0050-B1-M-1, JEHR-0067-B1-M-1, JEHR-0100-B1-M-1, JEHR-0113-B1-M-1, JEHR-0115-B1-L-1, JEHR-0135-B1-L-1 JEHR-0140-B2-M-1/3, JEHR-0150-B2-M-1/3, JEHR-0170-B2-M-1/3, JEHS-0200-B2-M-1/3, JEHS-0250-B2-M- 1/3, JEHS-0300-B2-M-1/3, JEHS-0350-B2-M-1/3, JEHR-0180-B2-L-1/3, JEHR-0210-B2-L-1/3, JEHS-0300-B2-L-3 Issue: 01.10 .2021 Page 18... - Page 19 Dimensional Drawings JEHS-0350-B3-M-1/3, JEHS-0400-B3-M-1/3, JEHS-0500-B3-M-3, JEHS-0600-B3-M-3, JEHS-0680-B3-M-3 JEHS-0400-B3-L-3, JEHS-0500-B3-L-3, JEHS-0600-B3-L-3 JEHS-0800-B4-M-3, JEHS-1000-B4-M-3, JEHS-1300-B4-M-3, JEHS-1150-B4-L-3 EVI, JEHS-1400-B4-L-3 EVI Issue: 01.10 .2021 Page 19...
- Page 20 Dimensional Drawings JEHS-0750-B4-L-3, JEHS-0950-B4-L-3 EVI JEHS-1500-B6-M-3 Issue: 01.10 .2021 Page 20...
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Page 21: Electrical Wiring Diagrams
Electrical Wiring Diagrams JEHR-0050-B1-M-1 JEHR-0067-B1-M-1, JEHR-0100-B1-M-1, JEHR-0113-B1-M-1 Issue: 01.10 .2021 Page 21... - Page 22 Electrical Wiring Diagrams JEHR-0115-B1-L-1, JEHR-0135-B1-L-1 JEHR-0140-B2-M-1, JEHR-0170-B2-M-1 3.15A S1PH GRN/YLW S1PL GRN/YLW E1HC GRN/YLW GRN/YLW Issue: 01.10 .2021 Page 22...
- Page 23 Electrical Wiring Diagrams JEHR-0140-B2-M-3, JEHR-0170-B2-M-3 3.15A S1PH GRN/YLW S1PL GRN/YLW E1HC GRN/YLW GRN/YLW JEHR -0150-B2-M-1, JE HR -0180-B2-L-1, JEHR-0210-B2-L-1 Issue: 01.10 .2021 Page 23...
- Page 24 Electrical Wiring Diagrams JEHR -0150-B2-M-3, JE HR -0180-B2-L-3, JEHR-0210-B2-L-3 3.15A S1PH GRN/YLW S1PL GRN/YLW E1HC GRN/YLW GRN/YLW JE HS-0200-B2-M-1, JE HS-0250-B2-M-1, JEHS-0300-B2-M-1, JEHS-0350-B2-M-1 Issue: 01.10 .2021 Page 24...
- Page 25 Electrical Wiring Diagrams JE HS-0200-B2-M-3, JE HS-0250-B2-M- 3, JEHS -0300-B2-M-3, JEHS -0350-B2-M-3 JE HS -0300-B2-L-3 JE HS -0350-B3-M-1, JEHS-0400-B3-M-1 Issue: 01.10 .2021 Page 25...
- Page 26 Electrical Wiring Diagrams JEHS -0350-B3-M-3, JEHS-0400-B3-M-3, JEHS-0500-B3-M-3, JEHS-0600-B3-M-3, JEHS-0680-B3-M-3 JE HS-0400-B3-L-3, JE HS-0500-B3-L-3, JEHS-0600-B3-L-3 JE HS -0800-B4-M-3, JE HS -1000-B4-M-3 Issue: 01.10 .2021 Page 26...
- Page 27 Electrical Wiring Diagrams JEHS -0750-B4-L-3 JE HS -0950-B4-L-3 E VI Issue: 01.10 .2021 Page 27...
- Page 28 Electrical Wiring Diagrams JEHS -1150-B4-L-3 E VI JE HS -1300-B4-M-3, JEHS-1500-B6-M-3 Issue: 01.10 .2021 Page 28...
- Page 29 Electrical Wiring Diagrams JEHS -1400-B4-L-3 E VI Issue: 01.10 .2021 Page 29...
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Page 30: Service & Maintenance
Service & Maintenance Important Note: Warning! – Disconnect the mains electrical supply before servicing or opening the unit. The condensing units are designed to give long life operation with minimum maintenance. However, they should be routinely checked and the following service schedule is recommended under normal circumstances: The removal of the top, side and front panels ensures that all parts are accessible. - Page 31 Service & Maintenance 8. Compressor replacement (rotalock connections) • The rotalock connections as used on some compressor models are factory sealed with Loctite 554 thread sealant. If the rotalock connections need to be disassembled (e.g. compressor change), then they should be thoroughly cleaned and Loctite 554 reapplied before reassembly.
- Page 32 Service & Maintenance 10. Warranty • The warranty as provided by J & E Hall on its products is subject to correct application, siting and installation procedures together with subsequent recorded maintenance/servicing carried out in accordance with our recommendations. Failure to do so could result in the withdrawal of our warranty.
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Page 33: F-Gas Information
F-Gas Information From 1/1/2015, F-Gas Regulation EU 517/2014 came into force replacing the old Regulation EC 842/2006. This affects system labelling, information supplied within documentation and also the way in which thresholds for frequency of leak testing refrigeration systems are calculated. Please be aware of the following: •... -
Page 34: Technical Information
Technical Information Fan Speed Controller Issue: 01.10 .2021 Page 34... -
Page 35: Dual Pressure Switch
Technical Information Dual Pressure Switch Safety pressure switch settings The pressure switches fitted to condensing units with auto reset for low pressure and manual reset for high pressure are NOT factory preset. 1. Micro Switch 5. Low Pressure Range pointer 9. -
Page 36: Single Pressure Switch
Technical Information Single Pressure Switch Safety pressure switch settings The factory preset value can be refer to the default setting under fan control switch at page 15. 1. Range Pointer 4. Range Adjusting Screw 7. Micro Switch 2. Range Scale Plate 5. -
Page 37: Phase Protector Module
Technical Information Phase Protection Module Main Features: • Monitors own supply • Phase loss (failure) & Neutral loss detection • Phase reverse detection • Phase asymmetry (10%) – Phase to Phase • Adjustable Over & Under voltage trip level • Adjustable Operate Time &... -
Page 39: Certification
Certification Issue: 01.10 .2021 Page 39...
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