Installation manual
1
EWLD120~540MBYNN
Condenserless water-cooled water chillers
4PW22686-1
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
Connecting the refrigerant circuit ...................................................... 3
Precautions when handling piping ............................................................. 3
Connecting the refrigerant circuit............................................................... 3
Leak test and vacuum drying..................................................................... 3
Charging the unit ....................................................................................... 4
Preparing, checking and connecting the water circuit ....................... 4
Water charge, flow and quality .......................................................... 5
Water piping insulation ...................................................................... 6
Refrigerant piping insulation.............................................................. 6
Discharge from pressure relief devices ............................................. 6
Parts table.................................................................................................. 6
Power circuit and cable requirements ........................................................ 6
Connection of the watercooled water chiller power supply ........................ 6
Interconnection cables............................................................................... 6
Connection and setup of a DICN system................................................... 7
Cable for remote digital controller .............................................................. 7
Before starting................................................................................... 8
Customization in the service menu ................................................... 8
How to continue................................................................................. 9
Thank you for purchasing this Daikin air conditioner.
I
NTRODUCTION
The EWLD 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
unpacking, installing and connecting the EWLD 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
■
Evaporator heater tape
■
Glycol application for leaving evaporator water down to –10°C
■
Daikin Integrated Chiller Network (DICN)
■
Liquid line solenoid valve
■
Sight glass with moisture indication
EWLD120MBYNN
EWLD260MBYNN
EWLD480MBYNN
EWLD170MBYNN
EWLD340MBYNN
EWLD500MBYNN
EWLD240MBYNN
EWLD400MBYNN
EWLD540MBYNN
Condenserless 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
EQUIPMENT OR ACCESSORIES COULD RESULT IN
ELECTRIC SHOCK, SHORT-CIRCUIT, LEAKS, FIRE OR
OTHER DAMAGE TO THE EQUIPMENT. THE UNIT
MUST BE 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 EWLD
120
170
240
Dimensions HxWxD
(mm)
1014x2672x930
Weight
• machine weight
(kg)
891
1110
1342
• operation weight
(kg)
907
1130
1369
Connections
• chilled water inlet and outlet
(inch)
3"OD
(76 mm OD)
3" (88.9 mm OD)
• remote condenser connection
discharge
(inch)
2"1/8
2"1/8
2"1/8
liquid
(inch)
7/8"
1"1/8
1"3/8
Model EWLD
260
340
400
Dimensions HxWxD
(mm)
1014x2672x930
2000x2672x930
Weight
• machine weight
(kg)
1428
2220
2452
• operation weight
(kg)
1462
2260
2497
Connections
• chilled water inlet and outlet
(inch)
3"
(88.9 mm OD)
2x 3" (88.9 mm OD)
• remote condenser connection
discharge
(inch)
2"5/8
2x 2"1/8
2x 2"1/8
liquid
(inch)
1"3/8
2x 1"1/8
1"1/8+1"3/8
Model EWLD
480
500
540
Dimensions HxWxD
(mm)
2000x2672x930
Weight
• machine weight
(kg)
2684
2770
2856
• operation weight
(kg)
2738
2831
2924
Connections
• chilled water inlet and outlet
(inch)
2x 3" (88.9 mm OD)
• remote condenser connection
discharge
(inch)
2x 2"1/8
2"1/8+2"5/8
2x 2"5/8
liquid
(inch)
2x 1"3/8
2x 1"3/8
2x 1"3/8
Model EWLD
120~540
Power circuit
• Phase
3~
• Frequency
(Hz)
50
• Voltage
(V)
400
• Voltage tolerance
(%)
±10
