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Installation and operation manual
1
EUWA(*)5~24KBZW1
Packaged air-cooled water chillers
4PW61653-1 – 07.2010
CONTENTS Page
Introduction ..................................................................................... 2
Options and features......................................................................... 2
Options ...................................................................................................... 2
Features..................................................................................................... 2
Technical specifications..................................................................... 3
Operation range......................................................................................... 3
Main components ...................................................................................... 3
Safety devices............................................................................................ 4
Electrical specifications ..................................................................... 4
Main components ...................................................................................... 4
Safety devices............................................................................................ 4
Internal wiring - Parts table........................................................................ 5
Installing the unit ............................................................................ 5
Selection of location .......................................................................... 5
Description Dimensions .................................................................... 6
Inspecting and handling the unit ....................................................... 6
Unpacking and placing the unit ......................................................... 6
Important information regarding the refrigerant used........................ 6
Checking the water circuit ................................................................. 6
Only for EUWAN version............................................................................ 6
For all versions........................................................................................... 6
Connecting the water circuit.............................................................. 6
Water charge, flow and quality .......................................................... 7
For all versions........................................................................................... 7
Only for EUWAP, EUWAB versions............................................................ 7
Water quality specifications ....................................................................... 7
Charging water .......................................................................................... 8
Piping insulation ................................................................................ 8
Field wiring ........................................................................................ 8
Parts table.................................................................................................. 8
Power circuit and cable requirements........................................................ 8
Connection of the power supply ................................................................ 8
Point for attention regarding quality of the public electric power supply .... 9
Operating the unit ........................................................................... 9
Before operation................................................................................ 9
Checks before initial start-up ..................................................................... 9
Water supply.............................................................................................. 9
Power supply connection and crankcase heating...................................... 9
Pump start up .......................................................................................... 10
Operation ........................................................................................ 10
Digital controller....................................................................................... 10
Working with the units.............................................................................. 11
Advanced features of the digital controller............................................... 14
BMS connection modbus ................................................................ 16
General description of Modbus................................................................ 16
Implemented error code........................................................................... 17
Defining the BMS setting ......................................................................... 17
Variables database .................................................................................. 18
Troubleshooting............................................................................... 18
Maintenance.................................................................................... 20
Important information regarding the refrigerant used .............................. 20
Maintenance activities ............................................................................. 20
Disposal requirements............................................................................. 20
Menu overview ................................................................................ 21
Thank you for purchasing this Daikin air conditioner.
The English text is the original instruction. Other languages are
translations of the original instructions.
This appliance is not intended for use by persons, including children,
with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a person
responsible for their safety.
Children should be supervised to ensure that they do not play with
the appliance.
EUWAN5~24KBZW1
EUWAP5~24KBZW1
EUWAB5~24KBZW1
Packaged air-cooled water chillers
Installation and
operation 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. BE SURE ONLY
TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE
SPECIFICALLY DESIGNED FOR USE WITH THE EQUIP-
MENT AND HAVE THEM INSTALLED BY A PROFES-
SIONAL.
IF UNSURE OF INSTALLATION PROCEDURES OR USE,
ALWAYS CONTACT YOUR DAIKIN DEALER FOR
ADVICE AND INFORMATION.
Read the chapter "Operation" on page 10 before changing
the parameters.
4PW61653-1_digital_EN.book Page 1 Thursday, August 26, 2010 1:49 PM
4


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