J&E Hall JEHR-0050-B1-M-1 Installation Manual Download Page 11 | Manualshive

Page: 11 / 24

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Issue: 01.05.2019

Page 11

Commissioning

Manual mode operation

Warning: All alarms are disabled during manual control. We
do not recommend unattended operation of system during
manual control.

Manual alarm reset clearing functional alarms
(except hardware error)

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Summary of Contents for JEHR-0050-B1-M-1

Page 1: ...Issue 01 05 2019 Page 1 Contents COMMERCIAL CONDENSING UNITS INSTALLATION MANUAL V3 FUSION FUSION SCROLL Commercial Condensing Units Medium Low Temperature Applications ISSUE 01 05 2019 V3 ...

Page 2: ...ng 7 12 Wiring Diagrams 13 20 Service Maintenance 21 22 F Gas Information 23 Nomenclature JEH R 0140 B 2 M 1 J E Hall International Unit Series R Reciprocating S Scroll M Medium Temperature L Low Temperature Approximate HP 0140 1 4hp Power Supply 1 230V 1Ph 50Hz 3 400V 3Ph 50Hz Unit Generation EVI Vapour Injection Unit ...

Page 3: ...20 14 4 28 0 118 0 2 1 8 8 73 13 6 8500 3 4 1 3 8 226 43 JEHR 0115 B1 L 1 n c 1 10 n c n c n a n a 1 05 CAJ2446Z 4 55 0 48 2 8 8 2 30 0 1 0 2 0 44 2 4 1250 3 8 1 2 59 27 JEHR 0135 B1 L 1 n c 1 04 n c n c n a n a 0 98 CAJ2464Z 6 00 0 48 4 6 10 0 40 0 1 0 2 0 44 2 4 1250 3 8 1 2 61 27 JEHR 0175 B2 L 1 n c 1 00 n c n c n c n c 1 07 NTZ048 5VM B 8 40 0 95 0 50 4 5 11 0 37 0 1 0 6 0 51 4 5 2700 3 8 5 8...

Page 4: ...itted at all times Use of the units outside of the design conditions and the application for which the units were intended may be unsafe and be detrimental to the units regardless of short or long term operation The units are not designed to withstand loads or stresses from other equipment or personnel Such extraneous loads or stress may cause failure leak injury Installation Unit location In orde...

Page 5: ... device Careful attention should be paid to sizing of liquid lines on large risers maximum 6m In some circumstances a suction accumulator not supplied may be required It offers protection against refrigerant flood back during operation and also against off cycle migration by adding internal free volume to the low side of the system Tests must be conducted to ensure the amount of off cycle migratio...

Page 6: ...charge of oxygen free nitrogen Once the pipework installation is complete it should be pressure tested prior to evacuation to test for leaks A pressure leak test should be carried out using oxygen free nitrogen OFN NEVER USE OXYGEN FOR PRESSURE TESTING SYSTEMS A calibrated nitrogen pressure regulator must always be used Before starting any pressure testing ensure the area surrounding the system is...

Page 7: ...hecks 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 Compressor oil level satisfactory Initial settings for safety switches and fan speed control Overload set correctly All valves in correct operating position Initial refrigerant charge Crankcase...

Page 8: ...sioning and during service maintenance visits For further information including recommended torque tightening values please refer to Service Maintenance section on pages 21 22 Vacuum operation Do not operate scroll compressors in a vacuum condition as this will cause the scrolls to overheat very quickly causing premature failure System charge Ensure an adequate liquid charge has been introduced to...

Page 9: ...its are mounted with discharge thermostat cut off 125 C cut in 90 C to protect the compressor For other unit models it is recommended to install the discharge thermostat if operating in extreme condition low evaporating and high ambient temperature Compressor Refrigerant S1 S2 Max HP Set Compressor MTZ NTZ MTZ Refrigerant R404A R407A R407F R448A R449A R452A R404A R452A R134a S2 Max HP Set 18 bar C...

Page 10: ...gram for electrical connections Class II category transformer is required for 24VAC power supply Do not connect any EXD HP1 input to main voltage as it will permanently damage the controller When connecting wires of expansion valve and pressure sensor consider color coding as follow 1 EXM BR BROWN BL BLUE OR ORANGE YE YELLOW WH WHITE 2 PT5 BN BROWN WH WHITE Display keypad unit LEDs and button func...

Page 11: ...mmissioning Manual mode operation Warning All alarms are disabled during manual control We do not recommend unattended operation of system during manual control Manual alarm reset clearing functional alarms except hardware error ...

Page 12: ...g EXD HP1 Error Alarm handling Note When multiple alarms occur the highest priority alarm is displayed until being cleared Then the next highest alarm is displayed until all alarms are cleared Only then will parameters will be shown again ...

Page 13: ...Issue 01 05 2019 Page 13 Wiring Diagrams JEHR 0050 B1 M 1 JEHR 0067 B1 M 1 JEHR 0100 B1 M 1 JEHR 0113 B1 M 1 ...

Page 14: ...Issue 01 05 2019 Page 14 Wiring Diagrams JEHR 0115 B1 L 1 JEHR 0135 B1 L 1 JEHR 0140 B2 M 1 ...

Page 15: ...Issue 01 05 2019 Page 15 Wiring Diagrams JEHR 0140 B2 M 3 JEHR 0150 B2 M 1 JEHR 0175 B2 L 1 JEHR 0225 B2 L 1 ...

Page 16: ...Issue 01 05 2019 Page 16 Wiring Diagrams JEHR 0150 B2 M 3 JEHR 0175 B2 L 3 JEHR 0225 B2 L 3 JEHS 0200 B2 M 1 JEHS 0250 B2 M 1 JEHS 0300 B2 M 1 ...

Page 17: ...Issue 01 05 2019 Page 17 Wiring Diagrams JEHS 0200 B2 M 3 JEHS 0250 B2 M 3 JEHS 0300 B2 M 3 JEHS 0200 B2 L 3 JEHS 0300 B2 L 3 JEHS 0350 B3 M 1 JEHS 0400 B3 M 1 ...

Page 18: ...e 01 05 2019 Page 18 Wiring Diagrams JEHS 0350 B3 M 3 JEHS 0400 B3 M 3 JEHS 0500 B3 M 4 JEHS 0600 B3 M 3 JEHS 0680 B3 M 4 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 ...

Page 19: ...Issue 01 05 2019 Page 19 Wiring Diagrams JEHS 0750 B4 L 3 JEHS 0950 B4 L 3 EVI ...

Page 20: ...Issue 01 05 2019 Page 20 Wiring Diagrams JEHS 1150 B4 L 3 EVI ...

Page 21: ...he coil We recommend putting your thumb over the end of the hose rather than using a nozzle end because the resulting spray is gentler and the possibility for impact damage is less Micro channel heat exchangers because of their fin geometry tend to retain water more than traditional fin tube coils Depending on the specific design and installation of your coil it may be beneficial to blow or vacuum...

Page 22: ... ZB15KQE TFD 558 JEHS 0250 B2 M 1 ZB19KQE PFJ 558 JEHS 0250 B2 M 3 ZB19KQE TFD 558 JEHS 0300 B2 M 1 ZB21KQE PFJ 558 JEHS 0300 B2 M 3 ZB21KQE TFD 558 JEHS 0350 B3 M 1 ZB26KQE PFJ 558 JEHS 0350 B3 M 3 ZB26KQE TFD 558 JEHS 0400 B3 M 1 ZB29KQE PFJ 558 JEHS 0400 B3 M 3 ZB29KQE TFD 558 JEHS 0500 B3 M 3 ZB38KQE TFD 558 JEHS 0600 B3 M 3 ZB45KQE TFD 558 JEHS 0680 B3 M 3 ZB48KQE TFD 558 JEHS 0800 B4 M 3 ZB5...

Page 23: ...y 12 months but can be increased to 24 months if fitted with a fixed leak detection system 30 300 kgs 50 500 TCO Eq Every 6 months but can be increased to 12 months if fitted with a fixed leak detection system 300 kgs 500 TCO Eq Every 6 months however automatic leak detection system is mandatory which requires servicing every 12 months To calculate TCO Eq value Refrigerant charge kgs x Refrigerant...

Page 24: ...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 05 2019 ...

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