J&E Hall JEHSD-0400-B3-M-3 Скачать руководство пользователя страница 42 | Manualshive

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Issue: 01.08.2020

Page 42

Certification

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Содержание JEHSD-0400-B3-M-3

Страница 1: ...re Applications V3 DIGITAL SINGLE SCROLL Commercial Condensing Units Variable Capacity Medium Temperature Applications ISSUE 01 08 2020 COMMERCIAL CONDENSING UNITS TECHNICAL MANUAL SCROLL Commercial Condensing Units Medium Temperature Applications COMMERCIAL CONDENSING UNITS ...

Страница 2: ...ion 3 Specifications 4 11 Health Safety 12 Installation 13 16 Commissioning 17 26 Control Logic 27 28 Alarm Information 29 30 Dimensional Drawings 31 Electrical Wiring Diagrams 32 33 Service Maintenance 34 35 F Gas Information 36 Technical Information 37 40 Certification 41 43 ...

Страница 3: ...lve External service valves High Low pressure transducers Manual low pressure switch adjustable High pressure switch on compressor Fixed cartridge type Flexible pressure hoses IP rated control panel Mains isolator Compressor manual motor starter with short circuit overload protection Compressor contactor Advanced programmable controller LCD display Step down transformer 240V to 24V Fuse protection...

Страница 4: ...Ultra 22 CC Copeland Ultra 32 CC Copeland Ultra 32 3MAF Mobil EAL Arctic 22 CC Uniquema Emkarate RL32CF a NC Nominal Current condition 10 C Te 32 C Ta MT b MCC Maximum Continuous Current c LRC Locked Rotor Current d Sound Pressure Level SPL measured in an anechoic room 10 32 C MT conditions Alternative conditions may produce different results Unit Model Unit Dry Weight SPL 10m d Compressor Airflow...

Страница 5: ...7A R407F R448A R449A JEHSD 0400 B3 M 3 3 3 31 3 25 3 20 3 20 JEHSD 0600 B3 M 3 3 30 3 10 2 98 2 98 JEHSD 0800 B4 M 3 4 2 81 2 86 2 81 2 81 Performance Data The performance data shown in the tables on pages 6 to 11 has the following criteria TE Evaporating Temperature TA Ambient Temperature HP Approximate Compressor Horsepower CC Cooling Capacity Watts PC Power Consumed Watts COP Coefficient of Per...

Страница 6: ...1950 14300 16950 27 PC 3600 3810 4020 4240 4440 4630 27 COP 1 81 2 12 2 46 2 82 3 22 3 66 32 CC 6030 7470 9150 11050 13200 15550 32 PC 4040 4260 4490 4740 5000 5240 32 COP 1 49 1 75 2 04 2 33 2 64 2 97 35 CC 7290 8700 10500 12500 14650 35 PC 4410 4820 5090 5370 5660 35 COP 1 65 1 80 2 06 2 33 2 59 38 CC 6750 8240 9920 11750 38 PC 4900 5170 5460 5780 38 COP 1 38 1 59 1 82 2 03 43 CC 43 PC 43 COP 27...

Страница 7: ... 4790 5250 5710 27 COP 2 06 2 25 2 42 2 60 2 77 2 94 32 CC 6410 7990 9730 11650 13700 15950 32 PC 3870 4280 4720 5180 5650 6090 32 COP 1 66 1 87 2 06 2 25 2 42 2 62 35 CC 7670 9170 11100 13200 15450 35 PC 4410 4980 5440 5900 6340 35 COP 1 74 1 84 2 04 2 24 2 44 38 CC 8520 10500 38 PC 5250 5710 38 COP 1 62 1 84 43 CC 43 PC 43 COP 27 CC 8880 10900 13300 15950 18950 22300 27 PC 5210 5530 5860 6210 65...

Страница 8: ...33 2 48 2 61 2 73 2 84 32 CC 6220 7700 9320 11050 13000 15100 17450 32 PC 3800 4210 4630 5100 5580 6100 6640 32 COP 1 64 1 83 2 01 2 17 2 33 2 48 2 63 35 CC 5860 7540 8910 10650 12550 14700 17100 35 PC 4060 4320 4890 5350 5810 6290 6790 35 COP 1 44 1 75 1 82 1 99 2 16 2 34 2 52 38 CC 5500 6940 8490 10200 12100 14250 38 PC 4330 4750 5180 5620 6060 6510 38 COP 1 27 1 46 1 64 1 81 2 00 2 19 43 CC 628...

Страница 9: ... 3880 3900 43 COP 1 79 2 13 2 56 27 CC 8320 10150 12200 14500 17050 27 PC 3810 4020 4240 4440 4630 27 COP 2 18 2 52 2 88 3 27 3 68 32 CC 9450 11350 13400 15700 32 PC 4490 4740 5000 5240 32 COP 2 10 2 39 2 68 3 00 35 CC 10800 12750 14800 35 PC 5090 5370 5660 35 COP 2 12 2 37 2 61 38 CC 10250 12000 38 PC 5460 5780 38 COP 1 88 2 08 43 CC 43 PC 43 COP 27 CC 11050 13450 16200 19400 23000 27 PC 5590 590...

Страница 10: ...690 43 PC 4290 43 COP 2 03 27 CC 8920 10650 12600 14650 16850 27 PC 3900 4330 4790 5250 5710 27 COP 2 29 2 46 2 63 2 79 2 95 32 CC 9950 11850 13900 16050 32 PC 4720 5180 5650 6090 32 COP 2 11 2 29 2 46 2 64 35 CC 11350 13400 15550 35 PC 5440 5900 6340 35 COP 2 09 2 27 2 45 38 CC 38 PC 38 COP 43 CC 43 PC 43 COP 27 CC 13500 16150 19100 22400 27 PC 5860 6210 6560 6880 27 COP 2 30 2 60 2 91 3 26 32 CC...

Страница 11: ...4720 5220 5770 6360 27 COP 2 04 2 23 2 39 2 54 2 66 2 76 2 84 32 CC 6520 8020 9640 11350 13250 15250 17450 32 PC 3800 4210 4630 5100 5580 6100 6640 32 COP 1 72 1 90 2 08 2 23 2 37 2 50 2 63 35 CC 7870 9260 10950 12850 14850 17100 35 PC 4320 4890 5350 5810 6290 6790 35 COP 1 82 1 89 2 05 2 21 2 36 2 52 38 CC 8870 10550 12400 14450 38 PC 5180 5620 6060 6510 38 COP 1 71 1 88 2 05 2 22 43 CC 8220 9870...

Страница 12: ...and maintenance are to be performed only by qualified personnel who are familiar with local codes and regulations and experienced with this type of equipment Safe working methods are identified and operatives have suitable Personal Protective Equipment PPE Ensure the working area has adequate ventilation during brazing procedures The units contain moving machinery and electrical power hazards whic...

Страница 13: ...r maintenance around the unit Ensure that there is no obstruction to air flow into or out of the unit Remove obstacles which block air intake or discharge The location must be well ventilated so the unit can draw in and distribute plenty of air thus lowering the condensing temperature To optimize the unit running conditions the condenser coil must be cleaned at regular intervals The unit must be l...

Страница 14: ...le evaporators connected which operate independently care should be taken to ensure that the evaporating pressure temperature does not fall outside the compressor operating limit at minimum load If there is a potential for this scenario consider multiple evaporators fed by a single solenoid valve or separate condensing units Suction pipework should slope gently back towards the unit to assist oil ...

Страница 15: ...been completed satisfactorily release the pressure from the system gradually and safely to external atmosphere Evacuation Charging Once pressure testing has been completed the system can now be evacuated to remove air and any moisture from the piping This can be done as follows Ensure any nitrogen charge is safely released from the system Connect a gauge manifold to the connections on the service ...

Страница 16: ...al box is located behind the door Remove the screws in the electrical box cover to access components 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 J E Hall Fusion ...

Страница 17: ...y Important Note Warning Only Authorized personnel are allowed to access the and LCD display Access to Controller and LCD Display Warning Only Authorized personnel are allowed to access the Page 17 Warning Only Authorized personnel are allowed to access the controller ...

Страница 18: ...ge 22 Run the unit and check compressor and condenser fan operation Check system pressures and temperatures gas charge and running currents of motors to ensure correct operation Check transducer sensor readings are accurate calibrated equipment required Check compressor suction superheat This should be between 10K and 20K at normal operating conditions Final adjustment of controller settings Allow...

Страница 19: ...ame group if the cursor is in a setting field and decreases the value ENTER Used to move the cursor from the home position top left corner to the setting fields in the setting fields confirms the set value and moves to the next parameter PRG Accesses the menu for selecting the group of parameters to be displayed modified access to the parameters is confirmed by pressing the Enter button ESC Used t...

Страница 20: ... arrow up and initialisation process approximately 1 minute the controller home screen will appear as The low pressure and high pressure conditions of the unit are displayed If OFF by Key is indicated in the lower box then the unit is switched OFF on the controller To switch the unit ON follow instructions on page 22 Further information on the system conditions can be displayed by pressing the DOW...

Страница 21: ...e home position to the Compressor Setpoint and adjust value as required Press the ENTER button again to move the cursor to the Fan Setpoint and adjust the value as required Please note that the setpoint value of 16 0 bar is recommended for R407A R407F R448A R449A operation Press ENTER button once more to return the cursor to the home position From screen B01 use the DOWN button to move to the next...

Страница 22: ...N OFF By Controller displayed Press PRG button to go Main Menu screen and select A On Off Unit Press ENTER button Screen A01 is displayed Press ENTER button to move cursor from home position to SWITCH OFF value Switch Unit ON by using UP DOWN ENTER button to confirm Press ESC button repeatedly to return to Home Screen This should now show ON by KEY at the bottom of the screen The unit will start u...

Страница 23: ...e position to the selection Select the desired low pressure alarm notification setting by UP DOWN arrows Three type of low pressure alarm notification setting is available Enable alarm msg only by default With required low pressure alarm notification setting selected press ENTER button to confirm Press ESC button repeatedly to return to Home Screen The unit is now ready to run once the controller ...

Страница 24: ...r motors are designed to run only in one direction The correct rotation of a three phase compressor motor depends on the connection of the three incoming phases to the unit Correct rotation can be determined by a drop in suction pressure and a rise in discharge pressure when the compressor is energized Running the compressor for a short period of time in reverse direction will have no negative imp...

Страница 25: ...it provides compressor control It also protects the compressor against deep vacuum operation a potential cause of failure due to internal arcing and overheating The low pressure switch is factory set as below For Normal controller operation please do not adjust this setting For operation in bypass mode the low pressure control should be set to control the compressor fixed speed only for twin compr...

Страница 26: ... enable No Fan setpoint limit Fdc16 Minimum 8 0barg Maximum 28 0barg Fan setpoint 13 5 barg Differential 5 5 barg Dead band 0 0barg Go to Fdc16 to change fan setpoint limit minimum to 8 0barg then go to Fdc11 Fdc28 B01 to change as table above In the event of failure of the main electronic controller the unit can be run temporarily bypass mode By changing the position of the manual bypass switch m...

Страница 27: ...ing principle is schematized in the above figure Inside the neutral zone the capacity request sent by the controller is constant except when there is a modulation device and modulation is enabled inside the neutral zone and the value satisfies the pressure control request in those specific operati nditions Therefore within this zone no device is stopped or started In the decrease zone the request ...

Страница 28: ...request equal to 0 or 100 for the decrease and increase respectively Example the decrease increase times minimum and maximum represent the time needed to change from maximum to versa and not the time between the deactivation activation of the individual device For example in the case of 4 devices with the same capacity an increase time of 180 s means that one device is activated every 45 s In the ...

Страница 29: ...arm by transducer 2 High pressure alarm by transducer 3 High condensing coil temperature alarm 4 High discharge alarm for fixed scroll compressor if applicable High condensing coil temperature alarm High discharge alarm for fixed scroll compressor if applicable Page 29 ...

Страница 30: ... MS TP PCO10B0BA0 Modbus RTU PCOS004850 The protocol can be for BACnet protocol or Modbus RTU protocol on screen Fc01 Please contact J E Hall for the BMS point list for Modbus and BACnet protocol The alarms below are in ascending order of priority When there is any alarm the alarm code will be displayed on the main sc Description Reset type Auto Auto Auto Condensing coil temperature probe fault Au...

Страница 31: ...Issue 01 08 2020 Page 31 Dimensional Drawings JEHSD 0400 B3 M 3 JEHSD 0600 B3 M 3 JEHSD 0800 B4 M 3 ...

Страница 32: ...Issue 01 08 2020 Page 32 Electrical Wiring Diagram JEHSD 0400 B3 M 3 JEHSD 0600 B3 M 3 ...

Страница 33: ...Issue 01 08 2020 Page 33 Electrical Wiring Diagram JEHSD 0800 B4 M 3 ...

Страница 34: ... maintenance is necessary 3 Condenser Coil Clean and inspect at regular intervals Check and remove the dirt and debris between the fins using a soft brush low pressure compressed air inert gas or a low pressure sprayer utilizing clean water A suitable chemical coil cleaner may be used as required Accumulations of dirt on the condenser face can be removed with a soft bristle hand brush When using l...

Страница 35: ... of the refrigerant of oil and of other parts must be done by a qualified installer in accordance with relevant local and national legislation Refrigeration equipment must be treated at a specialized treatment facility for re use recycling and recovery By ensuring this product is disposed of correctly you will help to prevent potential negative consequences for the environment and human health Ple...

Страница 36: ...hanges to leak testing requirements are as follows OLD LEGISLATION NEW LEGISLATION LEAK CHECKING FREQUENCY 3 30 kgs 5 50 TCO Eq Every 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 d...

Страница 37: ...ure for Low Pressure switch Range Turning the range adjusting screw 2 clockwise will decrease the cut in pressure setting Turning the range adjusting screw anti clockwise will increase the cut in pressure setting Differential Turning the differential adjusting screw 3 clockwise will increase the differential pressure setting Turning the differential adjusting screw anti clockwise will decrease the...

Страница 38: ...Issue 01 08 2020 Page 38 Technical Information Small Version Controller Please Note The battery in the controller should be changed every three years ...

Страница 39: ...Issue 01 08 2020 Page 39 Technical Information Small Version Controller ...

Страница 40: ...edium R407A R407F R448A R449A Design Pressure DP MPa 3 4 Design Temperature TS o C 40 130 Maximum Allowable pressure MPa 3 1 Weight kg 3 5 Marking CE Type Part No Connection ODF PED Category Volume Litres Initial Oil Charge Litres RSPW 55855 5 8 Cat I 2 4 0 6 RSPW 55877 7 8 Cat I 3 1 0 6 ...

Страница 41: ...Issue 01 08 2020 Page 41 Certification ...

Страница 42: ...Issue 01 08 2020 Page 42 Certification ...

Страница 43: ...Issue 01 08 2020 Page 43 Certification ...

Страница 44: ...Issue 01 08 2020 Page 44 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 08 2020 ...

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