Daikin EWLQ025KCW1N Installation, Operation And Maintenance Manual Download Page 1

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EWLQ014KCW1N
EWLQ025KCW1N
EWLQ033KCW1N
EWLQ049KCW1N
EWLQ064KCW1N

REV

Date

07/2022

Supersedes D-EIMHP01601-22_00EN

Installation, Operation and Maintenance Manual

D-EIMHP01601-22_01EN

CONDENSERLESS WATER-COOLED HEAT PUMPS

Summary of Contents for EWLQ025KCW1N

Page 1: ...N EWLQ025KCW1N EWLQ033KCW1N EWLQ049KCW1N EWLQ064KCW1N REV 01 Date 07 2022 Supersedes D EIMHP01601 22_00EN Installation Operation and Maintenance Manual D EIMHP01601 22_01EN CONDENSERLESS WATER COOLED...

Page 2: ...ance 19 13 2 Electrical Installation 19 13 3 Service and limited warranty 20 14 BEFORE STARTING 23 List of tables Table 1 Technical specifications 1 4 Table 2 Electrical specifications 1 4 Table 3 Fla...

Page 3: ...lt in electric shock short circuit leaks fire or other damage to the equipment Be sure only to use accessories optional equipment and spare parts made by Daikin which are specifically designed for use...

Page 4: ...shops in light industry and on farms or for commercial use by lay persons Sound pressure level is less than 70 dB A Table 1 Technical specifications 1 Model EWLQ 014 025 033 Dimensions HxWxD mm 600x6...

Page 5: ...ater temperature kit Master slave water temperature kit Modem for Daikin On Site 1 2 Features Glycol application for chilled water temperature down to 10 C Voltage free contacts general operation alar...

Page 6: ...26 2 OPERATION RANGE Figure 1 Operation range EWLQ014 033KC Figure 2 EWLQ049 064KC ELWT Evaporator leaving water temperature Tc Saturated condensing temperature 1 Operation with water 2 Operation with...

Page 7: ...10 Evaporator leaving water temperature sensor 11 Freeze up sensor 12 Digital Controller and display 13 Power supply intake 14 Ball valve field installed 15 Water filter field installed 16 Air purge v...

Page 8: ...D EIMHP01601 22_01EN 8 26 Please fill in with indelible ink the total refrigerant charge 1 GWP global warming potential...

Page 9: ...ical specifications the pipe thickness of the refrigerant piping must comply with relevant local and national regulations For R410A the design pressure is 4 17 MPa 3 In case the required pipe sizes in...

Page 10: ...ondenser less unit is installed below the condensing unit the following can occur when the unit stops oil will return to the discharge side of the compressor When starting the unit this can cause liqu...

Page 11: ...15 8 19 1 97 110 N m 22 9 23 3 When connecting the flare nut coat the flare inner surface with ether oil or ester oil and initially tighten 3 or 4 turns by hand before tightening firmly Figure 5 Conne...

Page 12: ...he sealed area 4 of the body Tighten the cap firmly Figure 7 Charging the unit NOTES Use a charging hose with push rod when using the service port 5 Make sure to keep stop valve open during operation...

Page 13: ...rge until the additional 10 refrigerant charge weight The unit must have time to stabilize which means that this charging must be done in a smooth way Take care for contamination of the remote condens...

Page 14: ...ger 2 Drain traps must be provided at all low points of the system to permit complete drainage of the circuit during maintenance or in case of shut down 3 Anti vibration systems in all water piping co...

Page 15: ...moving dirt from the water to prevent damage to the unit or malfunctioning of the evaporator 5 The water filter must be cleaned on a regular base Table 5 Water quality specification DAE Water quality...

Page 16: ...max 135 C discharge pipe it must be insulated thoroughly A minimum of insulation to protect the liquid pipe from damage is advisable 10 5 Antifreeze protection for BPHE and recovery exchangers If the...

Page 17: ...h phase and an earth leak detector Recommended fuses are mentioned on the wiring diagram supplied with the unit Switch off the main isolator switch before making any connections switch off the circuit...

Page 18: ...to keep this equipment in good working order However during operation and maintenance it is essential to observe the following instructions Do not allow unauthorized and or unqualified personnel to a...

Page 19: ...ocess cooling data centres etc Highly Aggressive Environments can be defined as the follows Industrial environment with possible concentration of fumes result of combustion and chemical process Coasta...

Page 20: ...en solved 4 No safety device either mechanical electrical or electronic must be disabled or overridden 5 The water used for filling the water circuit must be clean and suitably treated A mechanical fi...

Page 21: ...h concentration of airborne particles it might be necessary to clean the condenser bank more often 12 Units placed or stored in a Highly Aggressive Environment for long time without operation are stil...

Page 22: ...porator Compressor 5 Evaporator BPHE S1 1 Evaporator Accumulator 6 Ball valve optional S1 2 Accumulator Compressor 7 Air purge valve optional W1 W3 Water inlet assembly Included kit but optional mount...

Page 23: ...the table under Water charge flow and quality 5 The piping must be completely purged See also chapter Checking the water circuit 6 Connect the flow switch and pump contacts so that the unit can only...

Page 24: ...D EIMHP01601 22_01EN 24 26 NOTES...

Page 25: ...D EIMHP01601 22_01EN 25 26...

Page 26: ...efer to the data communicated at the time of the order All the data and specifications contained herein are liable to change without notice Refer to the data communicated at the time of the order Daik...

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