Daikin EWWD-J Скачать руководство пользователя | Manualshive

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D-EIMWC01008-16_03EN - 12/35

4.2.2

Operation range

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EWWD J

1.

Operation with Glycol (below 4°C Evap LWT)

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EWLD J

1.

Operation with Glycol (below 4°C Evap LWT)

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Содержание EWWD-J

Страница 1: ...structions REV 03 Date 04 2021 Supersedes D EIMWC01008 16_02EU Installation Operation and Maintenance Manual EWWD EWLD J EWWH EWLH J EWWS EWLS J Installation Operation and Maintenance Manual D EIMWC01...

Страница 2: ...GUIDELINES FOR REMOTE CONDENSER APPLICATION EWLD J EWLH and EWLS versions 22 6 1 Installation information for condenserless units 22 6 1 1 Precautions when handling piping 22 6 1 2 Leak test and vacu...

Страница 3: ...alve Condenser Shut off valve Filter drier Shut off valve charge valve Solenoid valve Liquid indicator 1 2 3 4 5 6 7 8 Control equipment High Pressure Switch 21 0bar Pressure Transducer Temperature Tr...

Страница 4: ...EWLH80J SS 190J SS EWLS110J SS 270J SS Label Identification Figure 2 Description of the labels applied to the electrical panel 1 Unit nameplate data 5 Manufacturer s logo 2 Lifting instructions 6 Eme...

Страница 5: ...el 14 check that the unit has been grounded correctly before starting it 15 install the machine in a suitable area in particular do not install it outdoors if it is intended for use indoors 16 do not...

Страница 6: ...sfers heat to the water An expansion valve which allows the pressure of condensed liquid refrigerant to be reduced from condensation pressure to evaporation pressure A water cooled evaporator where th...

Страница 7: ...9 31 7 70 50 13 18 69 20 69 7 2 26 12 4 43 32 7 92 51 13 51 70 21 16 6 2 34 13 4 58 33 8 15 52 13 85 71 21 64 5 2 43 14 4 73 34 8 39 53 14 20 72 22 13 4 2 53 15 4 88 35 8 63 54 14 55 73 22 62 3 2 62 1...

Страница 8: ...a and R513A According to the standard EN 378 1 2016 any refrigerant system that contains R134a or R513A can be installed without any restriction in open air or machinery rooms Anyway the building owne...

Страница 9: ...and including the charge and safety classification of the refrigerant used shall be conducted to determine whether it is necessary to place the refrigerating system in a separate refrigeration machine...

Страница 10: ...gerants heavier than air and at the highest point for refrigerants lighter than air Detectors shall be continuously monitored for functioning In the case of a detector failure the emergency sequence s...

Страница 11: ...ndensing atmosphere may damage electronic components 4 2 Operation The Daikin EWWD J EWLD J EWWH J EWLH J EWWS J EWLS J packaged water cooled water chillers are designed for indoor installation and us...

Страница 12: ...D EIMWC01008 16_03EN 12 35 4 2 2 Operation range EWWD J 1 Operation with Glycol below 4 C Evap LWT EWLD J 1 Operation with Glycol below 4 C Evap LWT...

Страница 13: ...vap LWT 2 Option111 and operation with Glycol below 4 C Evap LWT 3 Option111 4 Option 111 Option 189 5 Option 189 EWLH J 1 Operation with Glycol below 4 C Evap LWT 2 Option111 and operation with Glyco...

Страница 14: ...D EIMWC01008 16_03EN 14 35 EWWS J 1 Operation with Glycol below 4 C Evap LWT EWLS J 1 Operation with Glycol below 4 C Evap LWT...

Страница 15: ...re 3 Lifting When handling the unit take into account the following 1 List the unit preferably with a crane and belts in accordance with the instructions on the unit The length of the ropes 1 to be us...

Страница 16: ...x the unit on a concrete base with anchor bolts 1 Anchor bolt 2 Washer 3 Rubber plate 4 Row cork or rubber sheet 5 Ground 6 Concrete floor 7 Ditch Figure 4 Unit Levelling Fix anchor bolts into the con...

Страница 17: ...antee the cleaning of the water pipes between the water filter and the BPHE Recommended maximum opening for strainer mesh is 0 87 mm DX S T 1 0 mm BPHE 1 2 mm Flooded Precautions for correct use 9 BPH...

Страница 18: ...ection pipes prior the operation see figure Connecting the filter The filter kit supplied with the unit must be installed in front of the evaporator water inlet by means of the supplied Victaulic coup...

Страница 19: ...nge as specified in the table below and a minimum water volume is required in the system Model Minimum water flow l min Maximum water flow l min EWWD120J EWLD110J EWWH090J EWLH080J EWWS120J EWLS110J 1...

Страница 20: ...anti freeze electrical resistance which provides adequate anti freeze protection at temperatures as low as 18 C However unless the heat exchangers are completely empty and cleaned with anti freeze so...

Страница 21: ...gram terminals L1 L2 and L3 5 Supply water to the evaporator and verify if waterflow is within the limits as given in the table under Water charge flow and quality 6 The piping must be completely purg...

Страница 22: ...e used For copper to copper joints use a phos copper solder with 6 to 8 silver content A high silver content brazing rod must be used for copper to brass or copper to steel joints Only use oxy acetyle...

Страница 23: ...must be between 3 and 8 K c Verify the oil sight glass Level must be within the sight glass d Verify the liquid line sight glass It should be sealed and not indicate moisture in the refrigerant e As l...

Страница 24: ...D EIMWC01008 16_03EN 24 35 Figure 5 Condenser located with no elevation difference Figure 6 Condenser located above the unit...

Страница 25: ...alves etc Table 2 shows the equivalent length of pipe for various nonferrous valves and fittings Follow these steps when calculating line size 1 Start with an initial approximation of equivalent lengt...

Страница 26: ...oling may be affected In these situations insulate the liquid lines Reference for liquid line sizing is shown in Table 3 It has to be used for reference only for circuit working with condensing temper...

Страница 27: ...234ze R513A 6 2 4 Oil charge In remote condenser application the oil charge into the compressor has to take into account that a percentage of oil around 1 is usually mixed into the refrigerant so some...

Страница 28: ...dards for industrial environments Therefore it is not intended for use in residential areas e g installations where the product is connected to a low voltage public distribution system Should this pro...

Страница 29: ...al areas e g installations where the product is connected to a low voltage public distribution system Should this product need to be connected to a low voltage public distribution system specific addi...

Страница 30: ...operating manual and the wiring diagram in order to understand start up sequence operation shutdown sequence and operation of all the safety devices During the unit s initial start up phase a technici...

Страница 31: ...sure that the work area is properly ventilated before working on the refrigerant circuit or before welding brazing or soldering work ensure that the leak detection equipment being used is non sparking...

Страница 32: ...be read on a daily basis thus keeping high observation standards 4 Replace the oil filter when the pressure drop across it reaches 2 0 bar 5 Check for any dissolved metals TAN Total Acid Number 0 10...

Страница 33: ...unbalance between phases exceeding 3 The unit must stay turned off until the electrical problem has been solved 4 No safety device either mechanical electrical or electronic must be disabled or overri...

Страница 34: ...ed inside the electrical panel Fill in with indelible ink the refrigerant charge label supplied with the product as following instructions Any refrigerant charge for each circuit 1 2 3 added during co...

Страница 35: ...e of its content and the products and services presented therein Specification are subject to change without prior notice Refer to the data communicated at the time of the order Daikin Applied Europe...

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