Daikin EWLQ014KCW1N Installation, Operation And Maintenance Manual Download

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EWLQ014KCW1N
EWLQ025KCW1N
EWLQ033KCW1N
EWLQ049KCW1N
EWLQ064KCW1N

REV

Date

01/2022

Supersedes

Installation, Operation and Maintenance Manual

D-EIMHP01601-22_00EN

CONDENSERLESS WATER-COOLED WATER CHILLERS

Summary of Contents for EWLQ014KCW1N

Page 1: ...LQ014KCW1N EWLQ025KCW1N EWLQ033KCW1N EWLQ049KCW1N EWLQ064KCW1N REV 00 Date 01 2022 Supersedes Installation Operation and Maintenance Manual D EIMHP01601 22_00EN CONDENSERLESS WATER COOLED WATER CHILLE...

Page 2: ...ES 17 13 MAINTENANCE 18 13 1 Routine maintenance 18 13 2 Electrical Installation 19 13 3 Service and limited warranty 19 14 BEFORE STARTING 22 List of tables Table 1 Technical specifications 1 4 Table...

Page 3: ...result 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...

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: ...25 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: ...t disturb anyone Ensure that water cannot cause any damage to the location in case it drips out of the unit The equipment is not intended for use in a potentially explosive atmosphere 4 MAIN COMPONENT...

Page 8: ...ve the four screws fixing the unit to the pallet 4 Level the unit in both directions 5 Use four anchor bolts with M8 thread to fix the unit in concrete 6 Remove the service front plate 7 IMPORTANT INF...

Page 9: ...e solder connections 9 CONNECTING THE REFRIGERANT CIRCUIT WARNING The units are equipped with a refrigerant outlet discharge side and a refrigerant inlet liquid side for the connection to a remote con...

Page 10: ...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 or disconnecting pipes to from the unit Figure 4...

Page 11: ...mum height 30 m WARNING Make sure the pipes are filled with N2 during welding in order to protect the pipes against soot There should be no blockage stop valve solenoid valve between the remote conden...

Page 12: ...or must operate If the liquid line sight glass is showing seal after the rough charging due to possible different conditions add 10 refrigerant charge weight If the liquid line sight glass is showing...

Page 13: ...changer 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 pipin...

Page 14: ...ter filter must be installed in front of the unit for removing 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 bas...

Page 15: ...vent burning injuries by accidental touching the hot 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 Antifreez...

Page 16: ...n power supply cable 2 Using the appropriate cable connect the power circuit to the N L1 L2 and L3 terminals of the unit cable section 2 5 16mm2 3 Connect the earth conductor yellow green to the earth...

Page 17: ...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 18: ...es and functionality There are two different levels of maintenance which can be chosen according to the type of application critical noncritical or to the installation environment highly aggressive Ex...

Page 19: ...t cannot function beyond the specified limits 2 The electrical power supply must be within the voltage limits and without voltage harmonics or sudden changes 3 The three phase power supply must not ha...

Page 20: ...ans that the heat exchangers are clogged In environments with a high concentration of airborne particles it might be necessary to clean the condenser bank more often 12 Units placed or stored in a Hig...

Page 21: ...atic expansion valve S1 Evaporator 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 opti...

Page 22: ...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 23: ...D EIMHP01601 22_00EN 23 25 NOTES...

Page 24: ...D EIMHP01601 22_00EN 24 25...

Page 25: ...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...