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Installation manual

8

EWLP012~065KBW1N

Condenserless water-cooled water chillers

4PW61665-1 – 07.2010

N

OTES

4PW61665-1_digital_EN.book  Page 8  Friday, August 27, 2010  2:13 PM

Summary of Contents for EWLP-KBW1N

Page 1: ...ATION MANUAL EWLP012KBW1N EWLP020KBW1N EWLP026KBW1N EWLP030KBW1N EWLP040KBW1N EWLP055KBW1N EWLP065KBW1N Condenserless water cooled water chillers 4PW61665 1_digital_EN book Page 1 Friday August 27 2010 2 13 PM ...

Page 2: ...ivo de B de acordo com o Certificado C 09 Примечание как указано в A и в соответствии с положительным решением B согласно Свидетельству C 10 Bemærk som anført i A og positivt vurderet af B i henhold til Certifikat C 11 Information enligt A och godkänts av B enligt Certifikatet C 12 Merk som det fremkommer i A og gjennom positiv bedømmelse av B ifølge Sertifikat C 13 Huom jotka on esitetty asiakirj...

Page 3: ...EWLP units Technical specifications 1 Electrical specifications 1 Options and features 1 Options Glycol application for chilled water temperature down to 10 C or 5 C BMS connection MODBUS optional kit address card EKAC10C 2 Remote user interface optional kit EKRUMCA Necessary to additionally install kit address card EKAC10C 2 Low noise operation kit field installation EWLP012KBW1N EWLP040KBW1N EWL...

Page 4: ...out of the unit The equipment is not intended for use in a potentially explosive atmosphere INSPECTING AND HANDLING THE UNIT At delivery the unit should be checked and any damage should be reported immediately to the carrier claims agent UNPACKING AND PLACING THE UNIT 1 Cut the straps and remove the cardboard box from the unit 2 Cut the straps and remove the cardboard boxes with waterpiping from t...

Page 5: ...d to prevent foreign materials e g mineral oils such as SUNISO and moisture from mixing into the system Vacuum pump use a 2 stage vacuum pump with a non return valve Make sure the pump oil does not flow oppositely into the system while the pump is not working Use a vacuum pump which can evacuate to 100 7 kPa 5 Torr 755 mm Hg Be sure to use both a spanner and torque wrench together when connecting ...

Page 6: ...liquid line sightglass is showing some gas bubbles the rough refrigerant charge is sufficient by fine tuning the additional 10 refrigerant charge weight If the liquid line sightglass is showing flash gas then charge until one of the previous situations occur Then fine tune with the additional 10 refrigerant charge weight The unit must have the time to stabelize which means that this charging has t...

Page 7: ...gular base WATER QUALITY SPECIFICATIONS A corrosion B scale CONNECTING THE WATER CIRCUIT The evaporator is provided with GAS female pipe thread connections for the water inlet and outlet refer to the outlook diagram Evaporator water connections are to be made in accordance with the outlook diagram respecting the water in and outlet If air moisture or dust gets in the water circuit problems may occ...

Page 8: ...cuit and cable requirements 1 The electrical power supply to the unit must be arranged so that it can be switched on or off independently of the electrical supply to other items of the plant and equipment in general 2 A power circuit must be provided for connection of the unit This circuit must be protected with the required safety devices i e a circuit breaker a slow blow fuse on each phase and a...

Page 9: ...LP040 0 22 EWLP055 0 21 EWLP065 0 20 2 European International Technical Standard setting the limits for harmonic currents produced by equipment connected to public low voltage systems with input current 16 A and 75 A per phase The unit should not be started not even for a very short period of time before the following pre commissioning checklist is filled out completely tick when checked standard ...

Page 10: ...Installation manual 8 EWLP012 065KBW1N Condenserless water cooled water chillers 4PW61665 1 07 2010 NOTES 4PW61665 1_digital_EN book Page 8 Friday August 27 2010 2 13 PM ...

Page 11: ... water chiller is then controlled by the Digital Display Controller Shut down by switching off the controller and the circuit breaker of the power circuit WARNINGS Emergency shut down Switch off the circuit breaker located on Air inlet and outlet Always keep the air inlet and outlet free to obtain the maximum cooling capacity and to prevent damage to the installation Refrigerant charge Use refrige...

Page 12: ...4PW61665 1 07 2010 Copyright 2010 Daikin 4PW61665 1_digital_EN book Page 1 Friday August 27 2010 2 13 PM ...

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