Daikin EWLQ014KBW1N, Operation Manual

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Operation manual
1
EWLQ 014
~
064KBW1N
Condenserless water-cooled water chillers
D­EOMHP01108­17EU
C
ONTENTS
Page
Introduction ....................................................................................... 1
Technical specifications ............................................................................. 2
Electrical specifications ............................................................................. 2
Description ........................................................................................ 3
Function of the main components.............................................................. 4
Safety devices............................................................................................ 4
Internal wiring - Parts table ........................................................................ 5
Before operation................................................................................ 6
Checks before initial start-up ..................................................................... 6
Water supply .............................................................................................. 6
Power supply connection and crankcase heating...................................... 6
General recommendations ........................................................................ 6
Operation .......................................................................................... 6
Digital controller ......................................................................................... 6
Working with the units................................................................................ 7
Advanced features of the digital controller............................................... 10
BMS connection modbus ................................................................ 13
General description of Modbus................................................................ 13
Implemented error code........................................................................... 14
Defining the BMS setting ......................................................................... 14
Variables database .................................................................................. 14
Troubleshooting ............................................................................... 15
Maintenance.................................................................................... 16
Important information regarding the refrigerant used .............................. 16
Maintenance activities ............................................................................. 16
Disposal requirements ............................................................................. 16
Annex I ............................................................................................ 17
Saturated temperature............................................................................. 17
Menu overview ................................................................................ 18
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.
I
NTRODUCTION
This operation manual concerns condensorless water-cooled water
chillers of the Daikin
EWLQ
-
KB
series. These units are provided for
indoor installation and used for cooling applications. The
EWLQ
units
can be combined with Daikin fan coil units or air handling units for air
conditioning purposes. They can also be used for supplying water for
process cooling.
This manual has been prepared to ensure adequate operation and
maintenance of the unit. It will tell you how to use the unit properly
and will provide help if problems occur. The unit is equipped with
safety devices, but they will not necessarily prevent all problems
caused by improper operation or inadequate maintenance.
In case of persisting problems contact your local Daikin dealer.
EWLQ014KBW1N EWLQ064KBW1N
EWLQ025KBW1N
EWLQ033KBW1N
EWLQ049KBW1N
Condenserless water-cooled water chillers
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.
Read the chapter "Operation" on page 6 before changing
the parameters.
Before starting up the unit for the first time, make sure that
it has been properly installed. It is therefore necessary to
carefully read the installation manual supplied with the unit
and the recommendations listed in "Before starting".
4PW61666-1A.book Page 1 Friday, May 25, 2012 3:09 PM