Manual Daikin EUWA water chillers (page 14 of 28) (English)

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Installation and operation manual

EUWA(*)5~24KBZW1

Packaged air-cooled water chillers

4PW61653-1 – 07.2010

Keys provided on the controller:

The function carried out when the user presses one or a combination

of these keys depends on the status of the controller and the unit at

that speciﬁc moment.

LEDs provided on the controller and remote interface:

Function during main display (not inside menu)

When selecting a parameter group or parameter, different LEDs

related to the parameter group or parameter are displayed.

Example: The LEDs F and G are displayed when accessing a

parameter group or when accessing parameters directly.

Direct and user parameters

The digital controller provides direct and user parameters. The direct

parameters are important for the everyday usage of the unit, e.g. to

adjust the temperature setpoint or to consult actual operational

information. The user parameters on the contrary provide advanced

features such as adjusting time delays.

Each parameter is deﬁned by a code and a value. For example: the

parameter used to select local or remote on/off control has code

h07 and value 1 or 0.

For an overview of the parameters, refer to "Overview of the direct

and user parameters" on page 14.

Working with the units

This chapter deals with the everyday usage of the units. Here, you

will learn how to perform routine tasks, such as:

■ "Switching the unit on" on page 12 and "Switching the unit off"

on page 12,

■ "Adjusting the cooling temperature setpoint" on page 12,

■ "Consulting actual operational information" on page 13,

■ "Resetting alarms" on page 13,

■ "Resetting warnings" on page 13.

Keys digital

controller

Keys remote

interface

Main display Sensor readout menu Parameter selection menu Parameter setting menu

— Press once:

Return

Press once:

Return

Press once:

Cancel and return

Press for 5 seconds:

To be able to access

DIRECT parameters

—

Press once:

Select parameter group or

parameter

Press once:

Conﬁrm and return

A + BS

Press for 5 seconds:

A + B OR

Press once:

To be able to access USER

parameters (after entering

USER password)

—

Press for 5 seconds:

Has no effect on these units.

Press once: Direct access to

readout menu sensor

(b01/b02/b03)

Press once:

Select previous sensor

parameter

Press once:

Select previous parameter

group or parameter

Press once:

Increase value

Press for 5 seconds:

Switch unit on/off in cooling

mode

Press once: Direct access to

readout menu sensor

(b01/b02/b03)

Press once:

Select next sensor

parameter

Press once:

Select next parameter group

or parameter

Press once:

Decrease value

C + DR

Press for 5 seconds:

Manually alarm reset in the

event of alarm

—

Leds digital controller

Remote

interface

Main display

Led (green) Z Inlet water temperature.

Led (amber)

Not active.

Led (amber)

Indicates that cooling mode is

active.

Led (red) Y

Indicates that the alarm is

active.

Led (amber)

Indicates the status of the

pump

Led (amber)

LED, indicates that at least

one compressor is active.

Led (amber)

LED is on, indicates that

compressor 1 is active.

LED is ﬂashing, indicates

compressor 1 startup request.

Led (amber)

LED is on, indicates that

compressor 2 is active.

LED is ﬂashing, indicates

compressor 2 startup request.

NOTE

Temperature readout tolerance: ±1°C.

Legibility of the numeric display may decrease in direct

sunlight.

4PW61653-1_digital_EN.book Page 11 Thursday, August 26, 2010 1:49 PM

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Daikin EUWA water chillers Manual

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