Daikin EUWAC8FBZW1 [4/28] Introduction

Daikin EUWAC10FBZW1 [4/28] Introduction
Installation and operation manual
1
EUWAC5~10FBZW1
Packaged air-cooled water chillers
4PW61657-1 – 07.2010
CONTENTS Page
Installing the unit ............................................................................ 1
Introduction ....................................................................................... 1
Options and features......................................................................... 2
Options ...................................................................................................... 2
Features..................................................................................................... 2
Technical specifications ............................................................................. 2
Electrical specifications ............................................................................. 2
Options and features ................................................................................. 2
Standard operation range.......................................................................... 2
Main components.............................................................................. 2
Selection of location .......................................................................... 3
Inspecting and handling the unit ....................................................... 3
Unpacking and placing the unit ......................................................... 3
Important information regarding the refrigerant used........................ 3
Checking the water circuit ................................................................. 4
Connecting the water circuit.............................................................. 4
Water charge, flow and quality .......................................................... 4
Piping insulation ................................................................................ 4
Field wiring ........................................................................................ 5
Parts table.................................................................................................. 5
Power circuit and cable requirements........................................................ 5
Connection of the packaged air-cooled water chiller power supply........... 5
Point for attention regarding quality of the public electric power supply .... 5
Cable for flow switch .................................................................................. 5
How to continue................................................................................. 5
Operating the unit ........................................................................... 6
Introduction ....................................................................................... 6
Description ........................................................................................ 6
Function of the main components.............................................................. 6
Safety devices............................................................................................ 7
Measuring devices..................................................................................... 7
Internal wiring - Parts table........................................................................ 7
Before operation................................................................................ 8
Checks before initial start-up ..................................................................... 8
Water supply.............................................................................................. 8
Power supply connection and crankcase heating...................................... 8
General recommendations ........................................................................ 8
Operation .......................................................................................... 8
Digital controller......................................................................................... 9
Working with the units.............................................................................. 10
Advanced features of the digital controller............................................... 13
BMS connection modbus ................................................................ 15
General description of Modbus................................................................ 15
Implemented error code........................................................................... 16
Defining the BMS setting ......................................................................... 16
Variables database .................................................................................. 16
Troubleshooting............................................................................... 17
Maintenance.................................................................................... 18
Important information regarding the refrigerant used .............................. 18
Maintenance activities ............................................................................. 18
Disposal requirements............................................................................. 19
Menu overview ................................................................................ 20
Annex I ............................................................................................21
Saturated temperature............................................................................. 21
Annex II ...........................................................................................21
Calculation of external pressure drop...................................................... 21
Annex III ..........................................................................................22
Fan characteristics................................................................................... 22
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.
INSTALLING THE UNIT
INTRODUCTION
The Daikin EUWAC-FBZW1 packaged air-cooled water chillers are
designed for indoor installation and used for cooling applications only.
The units are available in 3 standard sizes with nominal cooling
capacities ranging from 11.2 to 22.6 kW.
The EUWAC packaged air-cooled water chillers can be combined
with Daikin fan coil units or air handling units for air conditioning pur-
poses.They can also be used for supplying water for process cooling.
The present installation chapter describes the procedures for
unpacking, installing and connecting the EUWAC units.
EUWAC5FBZW1
EUWAC8FBZW1
EUWAC10FBZW1
Packaged air-cooled water chillers
Installation and
operation manual
READ THIS MANUAL ATTENTIVELY BEFORE STARTING
UP THE UNIT. DO NOT THROW THIS MANUAL 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.
4PW61657-1_digital_EN.book Page 1 Friday, August 27, 2010 8:09 AM

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