J&E Hall V3 FUSION Technical Manual
A2l commercial condensing units
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Summary of Contents for J&E Hall V3 FUSION
- Page 1 COMMERCIAL CONDENSING UNITS TECHNICAL MANUAL V3 FUSION & FUSION SCROLL A2L Commercial Condensing Units Medium Temperature Applications ISSUE: 01.03.2024...
- Page 2 IMPORTANT! READ BEFORE PROCEEDING! GENERAL SAFETY GUIDELINES This guideline is intended for users to ensure safe installation, operation, and maintenance of J & E Hall Fusion and Fusion Scroll A2L condensing units. This guideline is not intended to replace the system expertise available from the system manufacturers. This equipment is a relatively complicated apparatus and is designed to use with A2L refrigerant which is mildly flammable.
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Page 3: Table Of Contents
Contents Figure 10: Outline Drawing JEHRA-0067-B1-M-1 ..17 NOMENCLATURE ............. 1 Figure 11: Outline Drawing JEHRA-0110~0150-B2-M- Figure 1: Product Nomenclature ....... 1 1, JEHSA-0200~0300-B2-M-3 ........17 Figure 12: Wiring Diagram JEHRA-0067-B1-M-1 ..18 PRODUCT FEATURES ............1 Figure 13: Wiring Diagram JEHRA-0110-B1-M-1, SPECIFICATIONS .............. -
Page 4: Nomenclature
JEHS: J & E Hall International Scroll Product Features J & E Hall V3 Fusion and Fusion Scroll A2L condensing unit adopt fix speed compressor in a flexible plug and play package, for medium refrigeration application. Standard features for all medium temperature model: •... -
Page 5: Specifications
Specifications Table 1: Unit Electrical and Physical Data Volume Electrical Data Compressor Connections Compressor Motor Liquid Unit Model Coil Receiver Swept Liquid Suction Volume Charge Type (m³/h) (inch) (inch) JEHRA-0067-B1-M-1 AJ4480P-FZ 2.64 0.48 24.1 0.44 JEHRA-0110-B2-M-1 AJ4513P-FZ 4.21 0.48 10.0 33.0 0.51 JEHRA-0150-B2-M-1... - Page 6 Table 3: R448A MODEL JEHRA-0067-B1-M-1 1215 1508 1851 2253 2723 1.40 1.65 1.90 2.19 2.51 2.88 3.32 1123 1394 1709 2077 2506 1.27 1.48 1.71 1.95 2.22 2.52 2.87 1068 1325 1624 1972 2377 1.19 1.39 1.60 1.82 2.05 2.32 2.63 1013 1257...
- Page 7 Table 4: R449A MODEL JEHRA-0067-B1-M-1 1215 1508 1851 2253 2723 1.40 1.65 1.90 2.19 2.51 2.88 3.32 1123 1394 1709 2077 2506 1.27 1.48 1.71 1.95 2.22 2.52 2.87 1068 1325 1624 1972 2377 1.19 1.39 1.60 1.82 2.05 2.32 2.63 1013 1257...
- Page 8 Table 5: R455A MODEL JEHRA-0067-B1-M-1 1072 1354 1658 2024 2454 1.25 1.50 1.76 2.06 2.34 2.68 3.09 1259 1540 1884 2288 1.14 1.37 1.60 1.86 2.10 2.40 2.75 1201 1468 1798 2187 1.08 1.29 1.51 1.75 1.96 2.23 2.56 1142 1395 1712 2086...
- Page 9 Table 6: R454C MODEL JEHRA-0067-B1-M-1 1028 1296 1591 1953 2363 1.22 1.48 1.79 2.11 2.42 2.83 3.27 1209 1485 1827 2213 1.10 1.35 1.61 1.90 2.18 2.53 2.92 1157 1421 1748 2119 1.04 1.26 1.51 1.79 2.04 2.36 2.72 1105 1356 1669 2025...
- Page 10 Table 7: R454A MODEL JEHSA-0200-B2-M-3 2417 2969 3611 4344 5189 6140 7216 1377 1460 1544 1633 1720 1814 1910 1.76 2.03 2.34 2.66 3.02 3.38 3.78 2290 2808 3404 4092 4870 5761 6759 1469 1562 1658 1755 1857 1959 2067 1.56 1.80 2.05...
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Page 11: Application Guidelines
Application Guidelines During Installation and subsequent maintenance It should ensure that the refrigeration system • Only certified and qualified personnel who are familiar which adopts this condensing unit, wherever with local codes, regulations, and are experienced in possible to integrate pump down features. handling mildly flammable (A2L) refrigerant system This is to avoid liquid compression which equipment... -
Page 12: Installation
• All the models are suitable for both ground and wall • The units are not designed to operate with any mounting on brackets. restrictions such as heavy snowfall around them. Special attention should be given if unit Additional measures (such as shielding of the units) shall installed near to the sea as this can reduce be implemented as required. - Page 13 • Figure 5: Piping Layout for Outdoor Above In vertical pipework, the use of a U-trap and double suction risers are often required. These suction risers must Indoor always be fitted with a U-trap at the bottom and a P- trap at the top and never be higher than 4m unless a second U-trap system is fitted.
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Page 14: Pressure Testing
• Evacuate the system until vacuum is below 250 microns Pressure Testing (0.25 torr). • Never use oxygen, dry air, or acetylene Note: A triple evacuation procedure is recommended for for pressure testing systems as these may all new systems or where moisture is suspected. form an inflammable mixture. -
Page 15: Risk Assessment
• 3phase scroll compressor: live wires need correctly Risk Assessment terminated at motor rated circuit breaker for the compressor to rotate in correct direction (compression). It is important to ensure that sufficient free space is allowed • The unit is equipped with a motor circuit breaker with around the indoor evaporator to ensure that the flammable thermal overload and magnetic trip short circuit mixture is not created during the event of refrigerant... -
Page 16: Commissioning
Scroll Compressor Operation Commissioning Scroll compressor motors are designed to run only in one To gain access to the electrical box, turn the motor rated direction. This is not an issue with single phase compressors as circuit breaker on the side of the unit to the OFF position and they will always run in the correct direction. -
Page 17: Crankcase Heaters
When HP switch cut out mode is changed Crankcase Heaters from Manual to Auto operation, the fitting of an ART (anti-recycle timer) is recommended Crankcase heater should remain energized during the to protect the compressor. compressor off cycles. The initial start in the field is a very critical period for any new compressor because all load- bearing surfaces are new and require a short break-in Table 10: Dual Pressure Switch Manufacturer... -
Page 18: Discharge Thermostat
Discharge Thermostat Service and Maintenance (Applicable to JEHSA-0200-B2-M-3; JEHSA-0300-B2-M-3) Disconnect the mains electrical supply Only scroll models specified above are equipped with before servicing or opening the unit discharge thermostat with specification (cut out = 125±4⁰C, cut in = 95±5⁰C). The thermostat is connected in series to dual pressure switches, to disconnect all three phases at The condensing units are designed to give long life operation contactor in case of overtemperature. -
Page 19: F-Gas Information
5. Controls F-Gas Information • Check settings and operation of pressure switches. • Check overload setting. • The models of equipment covered in this Technical Manual Check fan speed control setting and operation. rely on fluorinated greenhouse gases for their functioning. •... -
Page 20: Appendix
Appendix Figure 10: Outline Drawing JEHRA-0067-B1-M-1 Figure 11: Outline Drawing JEHRA-0110~0150-B2-M-1, JEHSA-0200~0300-B2-M-3 Issue: 01.03.2024 Page 17... -
Page 21: Jehra-0150-B1-M-1
Figure 12: Wiring Diagram JEHRA-0067-B1-M-1 Figure 13: Wiring Diagram JEHRA-0110-B1-M-1, JEHRA-0150-B1-M-1 Issue: 01.03.2024 Page 18... -
Page 22: Jehsa-0300-B2-M-3
Figure 14: Wiring Diagram JEHSA-0200-B2-M-3, JEHSA-0300-B2-M-3 Table 15: Recommended Tightening Torque Tightening Torque (Nm) Cable Glands (Seal Nut and Model Compressor Service Valves Ball Valve Liquid Receiver Schrader Valve; Lock Nut) Mounting Charging Port Liquid Suction Discharge Liquid M16*1.0mm JEHRA-0067-B1-M-1 (20-25 Nm) JEHRA-0110-B2-M-1 NPT Brazed... - Page 23 Table 16: Trouble Shooting FAULT POSSIBLE CAUSE CHECK SOLUTION COMPRESSOR Power supply Phase(s) and neutral present? Check/rectify Voltage within tolerance? Check/rectify Is isolator switched on? If not - switch on Compressor contactor not If yes - coil faulty. Replace pulled in (where fitted) contactor/coil Is there correct voltage to contactor coil?
- Page 24 FAULT POSSIBLE CAUSE CHECK SOLUTION Refrigerant overcharge Check and rectify Non-condensable in system Reclaim refrigerant, evacuate & recharge Internal wear / damage Noise is always present even if all Replace compressor operating conditions are OK? System load too high Are suction and discharge Reduce load at evaporator pressures high? High discharge pressure...
- Page 25 FAULT POSSIBLE CAUSE CHECK SOLUTION Replace piping as required Damage to piping Head pressure too Clean condenser coil Condenser coil dirty Visual check of coil condition high System overcharged with Reclaim refrigerant/recharge Is head pressure high but liquid refrigerant correctly line cool to touch? See above Condenser fan not running...
- Page 26 Figure 15: Declaration of Conformity Issue: 01.03.2024 Page 23...
- Page 27 Figure 16: Declaration of Incorporation Issue: 01.03.2024 Page 24...
- Page 28 Figure 17: EU Declaration of Conformity Issue: 01.03.2024 Page 25...
- Page 29 Figure 18: EU Declaration of Incorporation Issue: 01.03.2024 Page 26...
- Page 30 RJ0110030012260 J & E Hall Limited Hansard Gate West Meadows Derby, DE21 6JN England Tel: + 44 (0) 1332 253400 Fax: + 44 (0) 1332 371061 Email: helpline@jehall.co.uk www.jehall.com Issue: 01.03.2024...
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