Daikin EWWD VZ Скачать руководство пользователя страница 6 | Manualshive

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D-EIMWC003H02-18_02EN - 6/34

Figure 2-Description of the labels applied to the electric panel

Single circuit unit

Double circuit unit

Identification of labels

1

Manufacturer’s logo

8

Lifting instructions

2

Electricity warning

9

Refrigerant

3

Shutoff valve position

10

W012 Symbol

4

Wire tightness check

11

Attention Closed Valve

5

High Voltage Danger

12

Attention

6

Transportation Label UN 2857

13

Copper Cables

7

Unit nameplate

14

Pressure Gauge Valves

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Содержание EWWD VZ

Страница 1: ...ion in English REV 02 Date December 2018 Supersedes D EIMWC003H02 18_01EN WATER COOLED WATER CHILLERS WITH VARIABLE SPEED COMPRESSOR EWWD VZ EWWH VZ Installation maintenance and operating manual D EIM...

Страница 2: ...or shut off valves 19 2 15 Electrical connections 19 2 16 Phase imbalance 19 2 17 Control circuit 20 3 OPERATION 20 3 1 Operator s responsibilities 20 3 2 Unit description 21 3 3 Cooling cycle descrip...

Страница 3: ...applied to the unit 4 Figure 2 Description of the labels applied to the electric panel 6 Figure 3 Lifting instructions 11 Figure 4 Unit positioning 12 Figure 5 Condenser control scheme with cooling to...

Страница 4: ...D EIMWC003H02 18_02EN 4 34 Figure 1 Description of the labels applied to the unit Single circuit unit...

Страница 5: ...R solenoid valve circ 1 1 8 VR 5 Evaporator entering water temperature sensor 17 High pressure switch 6 Air purge 18 Discharge temperature sensor 7 Water drain 19 Oil Pressure Transducer 8 Liquid line...

Страница 6: ...unit Identification of labels 1 Manufacturer s logo 8 Lifting instructions 2 Electricity warning 9 Refrigerant 3 Shutoff valve position 10 W012 Symbol 4 Wire tightness check 11 Attention Closed Valve...

Страница 7: ...e refrigerant leaks 13 disable the unit from the mains using the main switch before opening the control panel 14 check that the unit has been grounded correctly before starting it 15 install the machi...

Страница 8: ...e screw compressor and adjustment inverters are designed and constructed to cool and or heat buildings or industrial processes Daikin technicians specifically trained for this purpose must start the f...

Страница 9: ...azing or similar activity and then only provided the refrigerant concentration is monitored and adequate ventilation is ensured Such open flames shall not be left unattended A remote switching emergen...

Страница 10: ...0 303 kg m3 0 07575 kg m3 16500 ppm All electrical equipment not only the refrigerating system shall be selected to be suitable for use in the zones identified in the risk assessment Electrical equipm...

Страница 11: ...n pads optional are shipped separately Make sure these items if required are delivered with the unit Use extreme caution when handling the unit to prevent damage to the control panel and the refrigera...

Страница 12: ...prevent refrigerant accumulation inside that can deprive air of the right oxygen content that can cause asphyxiation In this regard we recommend the application of harmonized standard EN378 3 Safety a...

Страница 13: ...freezing The flow switch must not be used as a machine control system The absence of the flow switch on the evaporator water connection voids the warranty for frost damage The evaporator and condenser...

Страница 14: ...f untreated water can result in corrosion erosion mud fouling and formation of algae Daikin Applied Europe is not liable for equipment damage or malfunction due to a lack of a water treatment or water...

Страница 15: ...and high condenser inlet water temperature may be inhibited Glycol must be used for all applications with the evaporator outlet fluid below 4 C The maximum permissible water temperature in the evapor...

Страница 16: ...C Ref 2c standard unit opt 174 Low Brine Limit for Propylene Glycol ELWT 8 C Ref 3 standard unit opt 111 High temperatures kit Ref 4a standard unit opt 08 Brine opt 111 high temperature kit Limit for...

Страница 17: ...5 lt kW Process 6 6 lt kW 5 0 lt kW Variable capacity 6 6 lt kW 5 0 lt kW Calculation example Cooling capacity at 100 670 kW Minimum system volume for conditioning 670 x 3 3 2211 lt Minimum system vol...

Страница 18: ...re should not be less than 20 C at full water tower flow rate If the water temperature must be lower even the water flow must be reduced proportionately To modulate the water flow to the condenser ins...

Страница 19: ...onsible for connecting the safety valve to the purge pipe and pipe dimensioning In this regard refer to the harmonized standard EN13136 to dimension the drain pipes to be connected to the safety valve...

Страница 20: ...tor becomes familiar with the equipment before operating the machine In addition to reading this manual the operator should study the operation manual and the wiring diagram supplied with the unit to...

Страница 21: ...ased to the condensation water which heats accordingly The condensed fluid at saturation temperature passes through the sub cooling section where it yields heat to further increase cycle efficiency Th...

Страница 22: ...control protects the compressor from any operating faults The oil filter must be replaced within the first 500 hours of compressor operations The electronic controller generates an alarm for high oil...

Страница 23: ...te that all units are also provided with the Control Manual Figure 7 Unit interface 3 3 8 Safeties for each refrigerant circuit High pressure pressure switch Motor cooling High compressor delivery tem...

Страница 24: ...thermistors the controller is able to constantly monitor winding temperature and stop the corresponding compressor in the event that the temperature exceeds the safety value Repeated interventions of...

Страница 25: ...tem the heat transfer fluid should be checked for the possible presence of refrigerant After any repair work the safety devices for example refrigerant detectors and mechanical ventilation systems sho...

Страница 26: ...f compressors installed on the machine The valves are managed and controlled by the main electronic controller that optimizes the flow of refrigerant gas to the evaporator according to machine operati...

Страница 27: ...Typical single circuit cooling circuit Fig 7 Typical dual circuit cooling circuit Legend 1 Compressor 15 Oil injection valve 2 Delivery valve optional 16 Oil injection solenoid valve 3 Oil Condenser S...

Страница 28: ...0 5 and 4 C d The difference between condensing temperature and condenser outlet water temperature is between 1 and 3 C 5 Make sure the indicator on the liquid tube is full If one of these parameters...

Страница 29: ...ed Europe Spa cannot be held liable for damage caused by untreated or improperly treated water 4 5 2 Seasonal start up Annual start up is a good time to assess motor winding ground resistance A semi a...

Страница 30: ...ntative technical staff a Oil Analysis have to be performed each year or every 5000 hours of operation whichever shall first occur b Change the oil filter if p 2 bar c Check water temperature entering...

Страница 31: ...operable Water system operated and flow balanced to meet unit design requirements Electrical Power leads connected to unit main terminal block Power leads have been checked for proper electrical phasi...

Страница 32: ...g instructions Any refrigerant charge for each circuit 1 2 3 added during commissioning the total refrigerant charge 1 2 3 calculate the greenhouse gas emission with the following formula 1000 Use the...

Страница 33: ...rdance with local laws regarding disposal and if in scope with the national laws implementing the Directive 2012 19 EU RAEE Batteries and electrical components must be sent to specific waste collectio...

Страница 34: ...contained herein are liable to change without notice Refer to the data communicated at the time of the order Daikin Applied Europe S p A cannot be held liable for direct or indirect damage in the bro...

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