Operating Instructions and Installation Instructions

EUWA(*)5~24KBZW1
Packaged air-cooled water chillers
4PW61653-1 – 07.2010
Installation and operation manual
2
INTRODUCTION
This operation manual concerns packaged air-cooled water chillers
of the Daikin EUWA(*)-KBZ series. These units are designed for
outdoor installation and used for cooling applications. The units are
available in 7 standard sizes ranging from 5 to 24 Hp. All sizes are
available in 3 versions, varying in level of equipment.
The EUWA(*) 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.
The manual describes the procedures for unpacking, installing and
connecting the EUWA(*) units as well as instructions for adequate
operation and maintenance of the unit and will provide help if
problems occur.
(*) = N, P, B
OPTIONS AND FEATURES
Refer to the engineering data book for the complete list of
specifications, options and features.
Options
■ Glycol application for chilled water temperature down to –10°C
or –5°C.
■ BMS-connection MODBUS (optional kit address card
EKAC10C)
(1)
■ Remote user interface (optional kit EKRUMCA). (Necessary to
additionally install kit address card EKAC10C.)
(1)
Features
■ Voltage free contacts
- general operation
- alarm
- operation compressor 1
- operation compressor 2
■ Changeable remote inputs
Following functions can be assigned to a total of 2 digital inputs.
- remote start/stop
- dual setpoint
(1) When EKAC10C is used in combination with remote user controller
EKRUMCA then it is not possible to use the BMS-connection MODBUS.
4PW61653-1_digital_EN.book Page 2 Thursday, August 26, 2010 1:49 PM