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Technical Manual (Original Instruction) Reciprocating condensing unit Scroll condensing unit for medium temperature application for medium temperature application Series 1 Series 2 JEHCCU0040CM1 JEHSCU0200CM1 JEHCCU0050CM1 JEHSCU0200CM3 JEHCCU0051CM1 JEHSCU0250CM1 JEHCCU0063CM1 JEHSCU0250CM3 JEHCCU0067CM1 JEHSCU0300CM1 JEHCCU0077CM1 JEHSCU0300CM3 JEHCCU0095CM1 JEHSCU0350CM3 JEHCCU0100CM1 JEHCCU0113CM1 Series 3 JEHSCU0360CM3 Series 2 JEHSCU0400CM3...
Nomenclature Product Overview Standard Product Configuration Specifications Product System Cycle Outline Drawings Performance Data Electrical Data Safety and Health Installation & commissioning Decommissioning and Disposal Service and Maintenance Checkpoints Trouble Shooting Sound Pressure Level Exploded view of the condensing unit Declaration of conformity T-CU03-APR22-8 All specifications are subjected to change by the manufacturer without prior notice.
Nomenclature JEH SCU 0950 C L 3 EVI EVI: Vapour Injection Unit J&E Hall REFRIGERATION POWER SUPPLY CONDENSING 1: 230V/50Hz/1Ph UNIT 3: 400V/50Hz/3Ph TYPE OF COMPRESSOR APPLICATION CCU: RECIPROCATING M: MEDIUM TEMPERATURE SCU: SCROLL L: LOW TEMPERATURE GENERATION NOMINAL COOLING B: 2ND CAPACITY IN C: 3RD...
5. Product System Cycle Series 1 JEHCCU0040~0113CM1 JEHCCU0115~0135CL1 T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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Series 2 – Medium Temperature JEHCCU0140CM1/3, JEHCCU0170CM1/3 JEHSCU0200~0350CM1/3 T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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Series 2 – Low Temperature JEHCCU0180~0210CL1/3 JEHSCU0300CL3 T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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Series 3 – Medium Temperature JEHCCU0400~0680CM3 Series 3 – Low Temperature JEHSCU0400~0600CL3 T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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Series 4 – Medium Temperature JEHSCU0800~1000CM3 Series 4 – Low Temperature JEHSCU0750CL3 T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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JEHSCU0950~0951CL3 EVI T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
6. Outline Drawings Series 1 Series 2 T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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Series 3 Series 4 Medium Temperature T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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Low Temperature T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
8. Electrical Data Important Note: A main switch or other means for disconnection, having a contact separation in all poles, must be incorporated in fixed wiring in accordance with local and national legislation. Single Phase JEHCCU0040CM1; JEHCCU0050CM1 JEHCCU0051CM1; JEHCCU0063CM1; JEHCCU0077CM1 T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice.
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JEHCCU0067CM1; JEHCCU0095CM1; JEHCCU0100CM1; JEHCCU0113CM1; JEHCCU0115CL1, JEHCCU0135CL1 JEHCCU0140CM1, JEHCCU0170CM1 T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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JEHCCU0180CL1, JEHCCU0210CL1 3.15A S1PH GRN/YLW S1PL GRN/YLW E1HC (RED) GRN/YLW GRN/YLW JEHSCU0200CM1, JEHSCU0250CM1 JEHSCU0300CM1 T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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Three Phase JEHCCU0140CM3, JEHCCU0170CM3 JEHCCU0180CL3, JEHCCU0210CL3 T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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JEHSCU0200CM3, JEHSCU0250CM3 JEHSCU0300CM3, JEHSCU0300CL3 JEHSCU0360CM3, JEHSCU0400CM3 JEHSCU0500CM3, JEHSCU0600CM3, JEHSCU0680CM3, JEHSCU0400CL3, JEHSCU0500CL3, JEHSCU0600CL3 T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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JEHSCU0800CM3, JEHSCU1000CM3 JEHSCU0750CL3 T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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JEHSCU0950/0951CL3 EVI T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
9. Safety and Health General Information Important Note Only a qualified refrigeration engineer who is 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.
10. Installation & Commissioning Unit site location • In order to achieve maximum cooling capacity, the installation location for condensing unit should be carefully selected. • Install the condensing unit in such a way so that hot air distributed by the condensing unit cannot be drawn in again (as in the case of short circuit of hot discharge air).
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Installation Clearance • The installation location should allow sufficient space for air flow and maintenance around the unit. • To allow sufficient space for doing service or installation. Compressor handling To ensure compressor reliability, the condensing unit and the compressor must not be tilt greater than an angle of 45°.
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Field Piping Important Note Line sizing should only be determined by qualified personnel. All local codes of practice must be observed in the installation of refrigerant piping To ensure satisfactory operation and performance, the following points should be noted for field piping arrangements, •...
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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.
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Insulation selection (For EVI unit only) The liquid pipe connecting CDU 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.
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Medium Temperature AE/AJ Compressor Model R407A R448A R134a R407A R448A R134a Refrigerant R407F R449A R407F R449A R452A R407H Working Pressure Range 13.2-27.7 7.14-27.6 6.7-15.8 6.6-15.8 High Side, (barg) Working Pressure Range 1.5-8.3 0.1-3.9 1.98-7.14 0.6-3.8 Low Side, (barg) Low Temperature ZF/ZFI Compressor Model AJ/FH...
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Important Note Ensure that a good quality vacuum pump is used to pull a vacuum of -1.0 barg (250 microns) or less. Ensure that no pressure increase during 1 hour or more after stop vacuuming. If pressure increase, there is moisture or leakage along the pipeline. Safety pressure switch settings The pressure switch fitted to condensing units with auto reset for low pressure and manual reset for high pressure are NOT factory preset.
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Low pressure Setting of Setting of cut off pressure the cut in the differential Low Pressure side range High Pressure side range adjusting screw adjusting screw Clockwise: Decrease cut in Clockwise: Increase cut off pressure setting pressure setting Anticlockwise: Manual reset switch Anticlockwise: Decrease cut off Increase cut in pressure setting pressure setting...
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For model in Series 2, 3 and 4: Medium Temp Low Temp Application R407F R448A R407F R448A R407A R449A R407A R449A Refrigerant R134a R407H R452A R452A (Series 2 except 10 (JEHCCU0180/0210CL1/3) (Series 2 & 3) JEHSCU0350CM3) 13 (JEHSCU except EVI) Setting (barg) 17 (JEHSCU0950/0951CL3 EVI) 19 (JEHCCU0175CL1)
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Controller EXD-HP1 (EVI Unit) 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.
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• In standard mode the superheat is shown at the display. In case of liquid injection and economizer function this changes to discharge temperature. • To display other data of EXD-HP1 press “SEL” button for 1 second until index number according to below table appears.
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Commissioning of the Condensing Unit Please make sure that all manual service valves are fully open when starting the system for the first time. This includes external and internal shut off valves as well as liquid receiver valve in the unit. The ball valve open position is shown as below: Compressor electrical wiring Important Note...
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Precautions for FH and AJ Compressor Please make sure the following instructions be followed when operate Tecumseh FH/AJ low temperature condensing unit with R448A/R449A. Safety Instructions: 1. Limit the suction superheat below 10K, to ensure discharge temperature is maintain below 120ºC with evaporating temperature of -30ºC and below. 2.
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F-gas Regulation From 1/1/2015, a new F-gas regulation (EU) NO 517/2014 comes into force repealing comes into force repealing Regulation (EC) No 842/2 006. This will affect system labelling, information supplied within documentation and also the way in which thresholds for frequency of leak testing.
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Please fill in with indelible ink, on the refrigerant charge label supplied with the product. The total refrigerant charge & the TCO equivalent for charged refrigerant. Tonnes CO equivalent means the quantity of greenhouse gases, expressed as the product of the weight of the greenhouse gases in metric tonnes and their global warming potential.
11. Decommissioning and Disposal At the end of the unit’s useful life, a suitably qualified engineer should decommission it. The refrigerant and compressor oil are classed as hazardous waste and as such must be reclaimed and disposed of in the correct manner, including completion of waste transfer paperwork. The unit components must be disposed of or recycled as appropriate in the correct manner.
12. Service and Maintenance Important Note Warning! – Disconnect the mains electrical supply before servicing or opening the unit Warning! – Ensure there is no refrigerant in refrigerant circuit before dismantle it Warning! – If the supply cord is damaged, it must be replaced by the qualified service agent in order to avoid a hazard.
Micro Channel Heat Exchanger Cleaning Procedure Step 1: Remove surface debris Remove surface dirt, leaves, fibers, etc. with a vacuum cleaner (preferably with a brush or other soft attachment rather than a metal tube), compressed air blown from the inside out, and/or a soft bristle (not wire!) brush.
• Check the liquid line sight glass and expansion valve operation. If there is an indication that the system is low on refrigerant, thoroughly check the system for leaks before adding refrigerant. • The rotalock connections as used on some compressor models are factory sealed with Loctite 554 thread sealant.
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. Manual alarm reset clearing functional alarms (except hardware error) •...
16. Exploded view of the condensing unit JEHCCU0050CM1, JEHCCU0067CM1, JEHCCU0100CM1, JEHCCU0113CM1, JEHCCU0115CL1, JEHCCU0135CL1 JEHCCU0040CM1, JEHCCU0051CM1, JEHCCU0063CM1, JEHCCU0077CM1, JEHCCU0095CM1. ITEM DESCRIPTION MICRO CHANNEL HX COMPRESSOR LIQUID RECEIVER FAN PROPELLER HINGE CFM HANDLING HANDLE BASE PANEL ASSY. VALVE PLATE PANEL FRONT PANEL REAR PANEL TOP BRKT MCHE BTTM FAN PANEL ASSY.
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JEHCCU0140CM1/3, JEHCCU0170CM1/3 T-CU03-APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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JEHSCU0200CM1, JEHSCU0200CM3, JEHSCU0250CM1, JEHSCU0250CM3, JEHSCU0300CM1, JEHSCU0300CM3, JEHSCU0350CM3 T-CU03-APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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JEHCCU0180CL1, JEHCCU0210CL1 JEHCCU0180CL3, JEHCCU0210CL3 T-CU03-APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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JEHSCU0300CL3 T-CU03-APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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JEHSCU0400CM3; JEHSCU0500CM3; JEHSCU0600CM3; JEHSCU0680CM3 T-CU03-APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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JEHSCU0400CL3; JEHSCU0500CL3; JEHSCU0600CL3 T-CU03-APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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JEHSCU0800CM3, JEHSCU1000CM3 T-CU03-APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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JEHSCU0750CL3 T-CU03-APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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JEHSCU0950/0951CL3 EVI T-CU03-APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
17. Declaration of Conformity T-CU03-APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.
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T-CU03- APR22-8 All specifications are subjected to change by the manufacturer without prior notice. The English text is the original instruction. Other languages are the translations of the original instructions.