Daikin EUWAC10FZW1 - Installing the Unit; Technical specifications; Selection of location; Checking the water circuit

Installation and operation manual
1
EUWAC5~10FZ
Packaged air-cooled water chillers
4PW14037-1D
CONTENTS Page
Installing the unit ............................................................................ 1
Introduction ....................................................................................... 1
Technical specifications ............................................................................. 1
Electrical specifications ............................................................................. 1
Options and features ................................................................................. 2
Standard operation range.......................................................................... 2
Main components.............................................................................. 2
Selection of location.......................................................................... 2
Inspecting and handling the unit ....................................................... 2
Unpacking and placing the unit......................................................... 2
Important information regarding the refrigerant used........................ 3
Checking the water circuit ................................................................. 3
Connecting the water circuit.............................................................. 3
Water charge, flow and quality .......................................................... 3
Piping insulation ................................................................................ 4
Field wiring ........................................................................................ 4
Parts table.................................................................................................. 4
Power circuit and cable requirements........................................................ 4
Connection of the packaged air-cooled water chiller power supply........... 4
Point for attention regarding quality of the public electric power supply .... 4
Cable for flow switch.................................................................................. 4
How to continue................................................................................. 4
Operating the unit ........................................................................... 5
Introduction ....................................................................................... 5
Description ........................................................................................ 5
Function of the main components.............................................................. 5
Safety devices............................................................................................ 6
Measuring devices..................................................................................... 6
Internal wiring - Parts table........................................................................ 6
Before operation................................................................................ 7
Checks before initial start-up ..................................................................... 7
Water supply.............................................................................................. 7
Power supply connection and crankcase heating...................................... 7
Operation .......................................................................................... 7
Digital controller......................................................................................... 8
Working with the EUWAC units ................................................................. 8
Advanced features of the digital controller............................................... 10
Troubleshooting............................................................................... 13
Maintenance.................................................................................... 15
Important information regarding the refrigerant used .............................. 15
Maintenance activities ............................................................................. 15
Disposal requirements............................................................................. 15
Thank you for purchasing this Daikin air conditioner.
INSTALLING THE UNIT
INTRODUCTION
The Daikin EUWAC-FZ 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.
Technical specifications
(1)
Electrical specifications
(1)
EUWAC5FZ
EUWAC8FZ
EUWAC10FZ
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.
(1) Refer to the chapter “Operating the unit“ or engineering data book for the
complete list of specifications and options.
Model EUWAC 5 8 10
Dimensions HxWxD
(mm)
1345x
795x605
1290x
1125x605
1395x
1275x605
Weight
• Machine weight
(kg)
164 224 261
• Operation weight
(kg)
166 228 266
Connections
•Water inlet FBSP 1” FBSP 1” FBSP 1”
•Water outlet FBSP 1” FBSP 1” FBSP 1”
•Water drain
(mm)
25 25 25
Maximal E.S.P.
(*)
(*) E.S.P.=External Static Pressure
(Pa)
100 150 150
Model EUWAC 5 8 10
Power circuit
• Phase 3N~
•Frequency
(Hz)
50
•Voltage
(V)
400
•Voltage tolerance
(%)
±10