Installation manual
1
EWWD120~540MBYNN
Packaged water-cooled water chillers
4PW22684-1A
C
ONTENTS
Page
Technical specifications .............................................................. 1
Electrical specifications ............................................................................. 1
Options and features ................................................................................. 1
Standard supplied accessories.................................................................. 2
Operation range ................................................................................ 2
Main components.............................................................................. 2
Selection of location .......................................................................... 2
Inspecting and handling the unit ....................................................... 2
Unpacking and placing the unit ......................................................... 3
Preparing, checking and connecting the water circuit ....................... 3
Water charge, flow and quality .......................................................... 4
Piping insulation ................................................................................ 5
Discharge from pressure relief devices ............................................. 5
Parts table.................................................................................................. 5
Power circuit and cable requirements ........................................................ 5
Connection of the watercooled water chiller power supply ........................ 5
Interconnection cables............................................................................... 5
Connection and setup of a DICN system................................................... 6
Cable for remote digital controller .............................................................. 6
Before starting................................................................................... 7
Customization in the service menu ................................................... 7
How to continue................................................................................. 8
Thank you for purchasing this Daikin air conditioner.
I
NTRODUCTION
The Daikin EWWD-MBYNN packaged water-cooled water chillers
are designed for indoor installation and used for cooling applications
only. The units are available in 9 standard sizes with nominal cooling
capacities ranging from 120 to 540 kW.
The EWWD units can be combined with Daikin fan coil units or air
handling units for air conditioning purposes. They can also be used
for supplying chilled water for process cooling.
The present installation manual describes the procedures for unpack-
ing, installing and connecting the EWWD units.
Technical specifications
(1)
Options and features
Options
■
Suction stop valve
■
Ampere and voltmeter
■
Main isolator switch
■
Dual pressure relief valve on the condenser
■
Low noise operation
■
BMS-Connection (MODBUS/J-BUS, BACNET, LON)
Features
■
Glycol application for leaving evaporator water down to –10°C
■
Daikin Integrated Chiller Network (DICN)
■
Liquid line solenoid valve
■
Sight glass with moisture indication
■
Voltage free contacts
•
general operation/pumpcontact
•
alarm
•
operation circuit 1
•
operation circuit 2 (only for EWWD360~540)
EWWD120MBYNN
EWWD280MBYNN
EWWD500MBYNN
EWWD180MBYNN
EWWD360MBYNN
EWWD520MBYNN
EWWD240MBYNN
EWWD440MBYNN
EWWD540MBYNN
Packaged water-cooled water chillers
Installation manual
READ THIS MANUAL ATTENTIVELY BEFORE STARTING
UP THE UNIT. DO NOT THROW IT AWAY. KEEP IT IN YOUR
FILES FOR FUTURE REFERENCE.
IMPROPER INSTALLATION OR ATTACHMENT OF EQUIP-
MENT OR ACCESSORIES COULD RESULT IN ELECTRIC
SHOCK, SHORT-CIRCUIT, LEAKS, FIRE OR OTHER DAM-
AGE TO THE EQUIPMENT. BE SURE ONLY TO USE
ACCESSORIES MADE BY DAIKIN WHICH ARE SPECIFI-
CALLY DESIGNED FOR USE WITH THE EQUIPMENT AND
HAVE THEM INSTALLED BY A PROFESSIONAL.
IF UNSURE OF INSTALLATION PROCEDURES OR USE,
ALWAYS CONTACT YOUR DAIKIN DEALER FOR ADVICE
AND INFORMATION.
(1) Refer to the operation manual or engineering data book for the complete
list of specifications, options and features.
Model EWWD
120
180
240
Dimensions HxWxD
(mm)
1014x2672x930
Weight
• machine weight
(kg)
1000
1273
1527
• operation weight
(kg)
1032
1318
1588
Connections
• chilled water inlet/outlet
(inch)
3" OD
(76 mm OD)
3" (88.9 mm OD)
• condenser water inlet/outlet
(inch)
2-1/2"
3" (88.9 mm OD)
Model EWWD
280
360
440
Dimensions HxWxD
(mm)
1014x2672
x930
2000x2672x930
Weight
• machine weight
(kg)
1613
2546
2800
• operation weight
(kg)
1693
2636
2902
Connections
• chilled water inlet/outlet
(inch)
3" (88.9 mm OD)
• condenser water inlet/outlet
(inch)
3" (88.9 mm OD)
Model EWWD
500
520
540
Dimensions HxWxD
(mm)
2000x2672x898
Weight
• machine weight
(kg)
3034
3150
3346
• operation weight
(kg)
3156
3281
3485
Connections
• chilled water inlet/outlet
(1)
(1) Victaulic
®
coupling
(inch)
3" (88.9 mm OD)
• condenser water inlet/outlet
(inch)
3" (88.9 mm OD)
Model EWWD
120~540
Power circuit
• Phase
3~
• Frequency
(Hz)
50
• Voltage
(V)
400
• Voltage tolerance
(%)
±10