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Daikin EUWA20HDW15 [2/18] Electrical specifications 1
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1
CONTENTS
Introduction ................................................................................... 1
Technical specifications ................................................................. 1
Electrical specifications .................................................................. 1
Description .................................................................................... 2
Function of the main components .................................................. 3
Safety devices ................................................................................ 3
Measuring devices .......................................................................... 4
Internal wiring - Parts table ............................................................ 4
Before operation ........................................................................... 5
Checks before initial start-up .......................................................... 5
Water supply ................................................................................... 5
Power supply connection and crankcase heating ......................... 5
General recommendations ............................................................. 5
Operation ...................................................................................... 6
Digital controller .............................................................................. 6
Working with the unit ...................................................................... 6
Advanced features of the digital controller .................................... 8
Trouble shooting ......................................................................... 13
Maintenance ............................................................................... 16
Maintenance activities .................................................................. 16
Disposal requirements .................................................................. 16
READ THIS MANUAL ATTENTIVELY BEFORE
STARTING UP THE UNIT. DO NOT THROW IT AWAY.
KEEP IT IN YOUR FILES FOR FUTURE REFERENCE.
INTRODUCTION
This operation manual concerns packaged air-cooled water chillers
of the Daikin EUWA-HD series. These units are provided for outdoor
installation and used for cooling applications. The EUWA units can
be combined with Daikin fan coil units or air handling units for air
conditioning purposes. They can also be used for supplying water
for process cooling.
This manual has been prepared to ensure adequate operation and
maintenance of the unit. It will tell you how to use the unit properly
and will provide help if problems occur. The unit is equipped with
safety devices, but they will not necessarily prevent all problems
caused by improper operation or inadequate maintenance.
In case of persisting problems contact your local Daikin Dealer.
Before starting up the unit for the first time, make sure that
it has been properly installed. It is therefore necessary to
carefully read the installation manual supplied with the unit
and the recommendations listed in "Checks before initial
start-up"
.
page
Technical specifications (1)
General
EUWA15 EUWA20 EUWA25 EUWA30
Nominal cooling
capacity (2)
(kW)
30.7 43.6 52.9 65.2
Nominal input (3)
(kW)
13.2 17.3 21.5 25.9
Dimensions HxWxD
(mm)
1535x1930x700 1535x2575x700 1535x3220x700 1535x3865x700
Weight:
- machine weight
(kg)
375 510 655 780
- operation weight
(kg)
380 516 663 789
Connections:
- water inlet FBSP 2" FBSP 2" FBSP 2-1/2" FBSP 2-1/2"
- water outlet FBSP 2" FBSP 2" FBSP 2-1/2" FBSP 2-1/2"
(1) Refer to the engineering data book for the complete list of specifications.
(2) The nominal cooling capacity is based on: - entering water temperature of 12°C
- chilled water temperature of 7°C
- ambient air temperature of 35°C
(3) The nominal input includes total input of the unit: compressor, fan motor and control
circuit.
Compressor
EUWA15 EUWA20 EUWA25 EUWA30
Model
JT265A-YE/TH + 2x JT265A-YE/TH 2x JT265A-YE/TH + 3x JT265A-YE/TH
JT140B-YE/TH JT140B-YE/TH
Speed
(rpm)
2900 2900 2900 2900
Oil type
Suniso 4GSDID-K Suniso 4GSDID-K Suniso 4GSDID-K Suniso 4GSDID-K
Oil charge volume
(l)
2.7 + 1.5 2x 2.7 2x 2.7 + 1.5 3x 2.7
Crankcase heater
(W)
50 + 33 2x 50 2x 50 + 33 3x 50
Refrigerant type R22 R22 R22 R22
Refrigerant charge (kg) 5.9 + 3.6 2x 5.9 2x 5.9 + 3.6 3x 5.9
Evaporator
EUWA15 EUWA20 EUWA25 EUWA30
Model
CB51-30H + 2x CB51-60H CB51-30H + 3x CB51-60H
CB51-60H 2x CB51-60H
Water volume
(l)
2.8 + 1.4 2x 2.8 2x 2.8 + 1.4 3x 2.8
Water flow range
(l/min)
60~220 80~290 100~370 120~440
Condenser
EUWA15 EUWA20 EUWA25 EUWA30
Nominal air flow
(m
3
/min)
170 + 80 2x 170 2x 170 + 80 3x 170
Fan motor output
(W) 140+190+230 2x190+2x230 140+2x190+2x230 3x190+3x230
Electrical specifications (1)
Model EUWA15 EUWA20 EUWA25 EUWA30
Power supply
- Phase 3N~ 3N~ 3N~ 3N~
- Frequency (Hz) 50 50 50 50
- Voltage (V) 400 400 400 400
- Voltage tolerance (%) +/-10 +/-10 +/-10 +/-10
- Recommended fuses (A) 50 aM 50 aM 80 aM 80 aM
Compressor
- Phase 3~ 3~ 3~ 3~
- Frequency (Hz) 50 50 50 50
- Voltage (V) 400 230 400 230
- Nominal running current(A) 18 25 30.5 37.5
Control and fan motor
- Phase 1~ 1~ 1~ 1~
- Frequency (Hz) 50 50 50 50
- Voltage (V) 230 230 230 230
- Nominal running current(A) 4 5 6.5 7.5
Packaged air-cooled water chillers Operation manual
EUWA15HDW1 EUWA15HDW15
EUWA20HDW1 EUWA20HDW15
EUWA25HDW1 EUWA25HDW15
EUWA30HDW1 EUWA30HDW15
Содержание
- Operation manual 1
- Packaged air cooled water chillers 1
- Electrical specifications 1 2
- Ntroduction 2
- Ontents 2
- Operation manual 2
- Technical specifications 1 2
- Escription 3
- Euwa20 3
- Euwa25 3
- Function of the main components 4
- Safety devices 4
- Internal wiring parts table 5
- Measuring devices 5
- Checks before initial start up 6
- Efore operation 6
- General recommendations 6
- Power supply connection and crankcase heating 6
- Water supply 6
- Digital controller 7
- Peration 7
- Working with the unit 7
- Adjusting the temperature setpoint 8
- Consulting actual operational information 8
- Enter the readout menu using the a key 8
- Enter the setpoints menu using the z key 8
- If the manual control mode is selected refer to the user settings menu none of the above mentioned setpoints will be active 8
- If the remote on off control parameter is set to no 8
- If the remote on off control parameter is set to yes 8
- If the unit does not start after a few minutes consult the readout menu which gives the status of the different circuits refer to paragraph consulting actual operational information also refer to the chapter trouble shooting 8
- Press j to save the adjusted temperature setpoint or press the z key to cancel the modification 8
- Press the f key on the controller 8
- Press the f key on the controller or switch the unit off using the remote on off switch 8
- Press the h key to adjust the temperature setting 8
- Press the w key to return successively to the second and the first screen of the readout menu 8
- Press the x key to enter the second screen of the readout menu 8
- Press the x key to enter the third screen of the readout menu 8
- Select the setpoint to be adjusted using the j key 8
- Setp cool 1 inlet water temperature cooling setpoint 1 8
- Setp cool 2 inlet water temperature cooling setpoint 2 8
- Switching the unit off 8
- The pressures measured will vary between a maximum and minimum value depending on the water and outdoor temperatures at the moment of measurement 8
- The selection between setpoint 1 and 2 is done by a remote dual setpoint switch to be installed by the customer the actual active setpoint can be consulted in the readout menu 8
- The unit provides definition and selection of two independent temperature setpoints for cooling operation 8
- To adjust a setpoint proceed as follows 8
- To adjust other setpoints repeat from instruction 2 onwards 8
- Advanced features of the digital controller 9
- History menu t t t t t 10
- Info menu y y y y y 10
- Input output menu u u u u u 10
- Safeties menu g g g g g 10
- The history menu contains all the information concerning the latest shutdowns 10
- The input output menu gives the status of all the digital inputs and the relay outputs of the unit 10
- The safeties menu provides useful information for trouble shooting purposes 10
- Timers menu r r r r r 10
- To calibrate the sensor for inlet water temperature measurement 10
- To change the user password 10
- To check the actual value of the compressor timers 10
- To check the actual value of the general software timers 10
- To check the status of circuit 1 at activation of one of the circuits safeties 10
- To check the status of circuit 2 at activation of one of the circuits safeties 10
- To check the status of circuit 3 at activation of one of the circuits safeties 10
- To check the status of the alarm the operation and the pump voltage free contacts 10
- To check the status of the circuit safeties 10
- To check the status of the evaporator heater however the evaporator heater option is not offered by daikin 10
- To check the status of the fanspeed relays 10
- To check the status of the flowswitch 10
- To check the status of the low pressure bypass switches 10
- To check the status of the remote setpoint selection switch the remote on off switch and the reverse phase protector 10
- To check whether or not the different compressors are activated 10
- To consult additional information about the unit such as the unit name the refrigerant used and the manufacturing number 10
- To consult information about the controller s software version 10
- To consult information about the number of circuit 1 shutdowns and the circuit status at the most recent shutdown 10
- To consult information about the number of circuit 2 shutdowns and the circuit status at the most recent shutdown 10
- To consult information about the number of circuit 3 shutdowns and the circuit status at the most recent shutdown 10
- To consult information about the number of shutdowns the unit safety which caused the most recent shutdown and the unit status at this shutdown 10
- To consult information about the unit safety which caused the shutdown and to check the unit status at shutdown 10
- To consult the outlet water inlet water and ambient temperature limits 10
- To define whether or not a password is needed to change the temperature setpoint 10
- User password menu q q q q q 10
- When automatic control mode is selected the unit uses default a 2 step thermostat to control the cooling load however the thermostat parameters are not fixed and can be modified via the thermostat settings screen of the user settings menu 11
- Rouble shooting 14
- Aintenance 17
- Disposal requirements 17
- Maintenance activities 17
- Thermostat parameters 17
- Pwen09719 1b 18
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