Daikin EWAP160MBYN [2/22] Operation manual
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Operation manual
1
EWAP110~340MBYNN
Packaged air-cooled water chillers
4PW22677-1B
C
ONTENTS
P
age
Introduction ....................................................................................... 1
Technical specifications ............................................................................. 1
Electrical specifications ............................................................................. 1
Important information regarding the refrigerant used ................................ 2
Description ........................................................................................ 2
Function of the main components.............................................................. 3
Safety devices............................................................................................ 3
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 ........................................................................ 6
Operation .......................................................................................... 6
Digital controller......................................................................................... 6
Working with the unit ................................................................................. 6
Advanced features of the digital controller................................................. 9
Troubleshooting............................................................................... 15
Maintenance.................................................................................... 17
Maintenance activities ............................................................................. 17
Disposal requirements............................................................................. 17
I
NTRODUCTION
This operation manual concerns packaged air-cooled water chillers
of the Daikin EWAP-MBYNN series. These units are provided for
outdoor installation and used for cooling applications. The EWAP
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.
Technical specifications
(1)
Electrical specifications
(1)
EWAP110MBYNN EWAP200MBYNN
EWAP140MBYNN EWAP280MBYNN
EWAP160MBYNN EWAP340MBYNN
Packaged air-cooled water chillers
Operation manual
READ THIS MANUAL ATTENTIVELY BEFORE STARTING
UP THE UNIT. DO NOT THROW IT AWAY. KEEP IT IN
YOUR FILES FOR FUTURE REFERENCE.
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" on page 5.
(1) Refer to the engineering data book for the complete list of specifications.
General EWAP
110 140 160
Dimensions HxWxD
(mm)
2250x2346x2238
Weight
• machine weight (kg)
1411 1565 1654
• operation weight (kg)
1419 1578 1670
Connections
• chilled water inlet and outlet
3" OD (76 mm OD)
•evaporator drain
—
Compressor
110 140 160
Type
semi-hermetic single screw
Qty x model
1x
ZHC3LTGUYE
1x
ZHC3WLGUYE
1x
ZHC5LMGUYE
Speed
(rpm)
2880
Oil type FVC 68D
Oil charge volume
(l)
5.5 5.5 7.5
Condensor
Nominal air flow
(m
3
/min)
960
No. of motors x output
(W)
4 x 550 4 x 1020 4 x 1020
Evaporator
Model
1x
AC120EQ-NP80
1x
AC120EQ-NP120
1x
AC120EQ-NP156
General EWAP
200 280 340
Dimensions HxWxD
(mm)
2250x4280x2238
Weight
• machine weight (kg)
2193 2573 2623
• operation weight (kg)
2213 2600 2657
Connections
• chilled water inlet and outlet
3" (88.9 mm OD)
•evaporator drain
1/4"G
Compressor
Type
semi-hermetic single screw
Qty x model
1x
ZHC5WLGUYE
1x
ZHC7LSGUYE
1x
ZHC7WSGUYE
Speed
(rpm)
2880
Oil type FVC 68D
Oil charge volume
(l)
7.5 10 10
Condensor
Nominal air flow
(m
3
/min)
1920
No. of motors x output
(W)
8x 550 8x 1020 8x 1020
Evaporator
Model
1x
AC250EQ-NP96
1x
AC250EQ-NP128
1x
AC250EQ-NP162
Model EWAP
110 140 160 200 280 340
Power supply
• Phase
3~
•Frequency (Hz)
50
•Voltage (V)
400
•Voltage tolerance (%)
±10
Unit
• Nominal running current (A)
70 84 104 128 180 226
• Maximum running
current
(A)
95 120 135 168 232 288
• Recommended fuses
according to IEC 269-2
(gL)
3x 125 3x 160 3x 160 3x 200 3x 250 3x 355
Compressor
• Phase
3~
•Frequency (Hz)
50
•Voltage (V)
400
• Nominal running current (A)
62 70 90 112 155 201
Control and fan motor
• Phase
3~
•Frequency (Hz)
50
•Voltage (V)
400
• Nominal running current (A)
4x 1.9 4x 3.1 4x 3.1 8x 1.9 8x 3.1 8x 3.1
Содержание
- Operation manual 1
- Packaged air cooled water chillers 1
- Electrical specifications 2
- Introduction 2
- Operation manual 2
- Technical specifications 2
- Description 3
- Escription 3
- Important information regarding the refrigerant used 3
- Function of the main components 4
- Safety devices 4
- Internal wiring parts table 5
- Before operation 6
- Checks before initial start up 6
- Efore operation 6
- Power supply connection and crankcase heating 6
- Water supply 6
- Digital controller 7
- General recommendations 7
- Operation 7
- Peration 7
- Working with the unit 7
- Consulting actual operational information 8
- Setting the language 8
- Switching the unit off 8
- Switching the unit on 8
- Switching units on off in a dicn system 8
- Adjusting the temperature setpoint 9
- Resetting the unit 9
- Advanced features of the digital controller 10
- All menus are directly accessible using the corresponding key on the digital controller or through the main menu refer to how to enter a menu on page 6 the down arrow x on the display indicates that you can go to the next screen of the current menu using the h key the up arrow w on the display indicates that you can go to the previous screen of the current menu using the g key if c is displayed this indicates that you can either return to the previous screen or can go to the next screen 10
- Depending upon the settings in the user settings menu the setpoints menu can either be entered directly or by means of the user password 10
- Readout menu 10
- Setpoints menu 10
- The usersettings menu protected by the user password allows a full customization of the units 10
- This chapter gives an overview and a brief functional description of the screens provided by the different menus in the following chapter you will find how you can set up and configure the unit using the various menu functions 10
- Timers menu 10
- Usersettings menu 10
- Additionally the number of safeties that already occured can be consulted on the first line of the history screens 11
- Along with the basic information more detailed information screens can be consulted while the safety menu is active press the q key screens similar to the following will appear 11
- History menu 11
- Info menu 11
- Input output menu 11
- Safeties menu 11
- The history menu contains all the information concerning the latest shutdowns the structure of those menus is identical to the structure of the safeties menu whenever a failure is solved and the operator performs a reset the concerning data from the safeties menu is copied into the history menu 11
- The input output menu gives the status of all the digital inputs and the relay outputs of the unit 11
- The safeties menu provides useful information for trouble shooting purposes the following screens contain basic information 11
- To change the user password 11
- To check the capacity mode and feedback 11
- To check the status of the changeable digital inputs note that for a unit in a dicn system the inputs apply to this unit it will be the remote input on the master unit however that will be determining for the operation of the unit 11
- To check the status of the changeable relay output 11
- To check the status of the discharge thermal protector and the compressor thermal protector 11
- To check the status of the fanspeed relays 11
- To check the status of the high pressure switch the reverse phase protector and the overcurrent relay 11
- To check the status of the power relays 11
- To check the status of the pump the alarm and the evaporator heater voltage free contacts 11
- To check the time and control mode at the moment of the unit shutdown 11
- To check whether or not the emergency stop device is active and if there is any waterflow to the evaporator 11
- To check which was the status of the compressors at the moment of shutdown 11
- To check which were the evaporator and condenser inlet water temperature and the evaporator outlet water temperature 11
- To check which were the pressures of the circuit at the moment of shutdown 11
- To check which were the total amount of running hours of the compressor and the ambient temperature at the moment of shutdown 11
- To consult additional information about the unit such as the unit type and the refrigerant used 11
- To consult information about the circuit safety which caused the shutdown 11
- To consult information about the controller s software version 11
- To consult information about the dual pump which caused the shutdown 11
- To consult information about the network safety which caused the shutdown 11
- To consult information about the pcb 11
- To consult information about the unit safety which caused the shutdown 11
- To consult time and date information 11
- User password menu 11
- Defining and activating the control mode 12
- Defining the capacity limitation settings 12
- Defining the pump control settings 12
- Defining the schedule timer 12
- Defining the thermostat settings 12
- Entering the user settings menu 12
- Network menu 12
- Defining dual evaporator pump control 13
- Defining free cooling 13
- Defining the display settings 13
- Defining the network settings 13
- Defining the floating setpoint settings 13
- Activating or deactivating the setpoints password 14
- Checking the actual value of the software timers 14
- Defining bms control 14
- Checking the safety info and the unit status after a reset 15
- Checking the status of the inputs and outputs 15
- Consulting additional unit information 15
- Listing activated safeties and checking the unit status 15
- Changing the user password 16
- Roubleshooting 16
- Troubleshooting 16
- Aintenance 18
- Disposal requirements 18
- Maintenance 18
- Maintenance activities 18
- Inlet water temperature control outlet water temperature control 19
- Schedule timer example 19
- Thermostat parameters 19
- Floating setpoint working 20
- Free cooling on ambient temperature 20
- Free cooling on difference between inlet water evaporator temperature and ambient temperature 20
- Free cooling working 20
- Oftware structure 21
- Q q q q q 21
- Pw22677 1b 22
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