Daikin EWAQ005ACV3P Installation Manual Download

Page: 14 / 20

Installation manual

EWAQ+EWYQ005~007ACV3P

Packaged air-cooled water chillers and

packaged reversible air to water heat pumps

4PW33165-1D

Field settings

The unit should be configured by the installer to match the installation
environment (outdoor climate, etc.) and user expertise. Thereto, a
number of so called field settings are available. These field settings
are accessible and programmable through the digital controller.

Each field setting is assigned a 3-digit number or code, for example
[1-02], which is indicated on the digital controller display. The first
digit [1] indicates the ‘first code’ or field setting group. The second
and third digit [02] together indicate the ‘second code’.

A list of all field settings and default values is given under

"Field

settings table" on page 13

. In this same list, we have provided 2

columns to register the date and value of altered field settings at
variance with the default value.

A detailed description of each field setting is given under

"Detailed

description" on page 12

Procedure

To change one or more field settings, proceed as follows.

Press the

button for a minimum of 5 seconds to enter FIELD

SET MODE.

The

icon (3) will be displayed. The current selected field

setting code is indicated

;

(2), with the set value displayed to

the right

(1).

Press the

bgi

button to select the appropriate field

setting first code.

Press the

bgj

button to select the appropriate field

setting second code.

Press the

pfi

button and

pfj

button to change

the set value of the select field setting.

Save the new value by pressing the

button.

Repeat step 2 through 4 to change other field settings as
required.

When finished, press the

button to exit FIELD SET MODE.

Detailed description

[0] User permission level

If required, the digital controller functions available to the user can be
limited by restricting the number of operable buttons. This may
prevent the user from disrupting correct operation of the installation.

Three permission levels are available (see the table below).
Switching between level 1 (default) and level 2/3 is done by pressing
the following 4 buttons at the same time for more than 5 seconds (in
normal mode):

pfi

and

pfj

. Press these 4

buttons to switch to level 2/3, press again for 5 seconds to switch
back to level 1. When level 2/3 is selected, the actual permission level
— either level 2 or level 3 — is determined by the field setting [0-00].

■

[0-00] User permission level: applicable permission level
number (level 2 or level 3). See the table below.

[1] Weather dependent set point (heat pump models only)

The weather dependent set point field settings define the parameters
for the weather dependent operation of the unit. When weather
dependent operation is active, the water temperature is determined
automatically depending on the outdoor temperature: colder outdoor
temperatures will result in warmer water and vice versa. During
weather dependent operation, the user has the possibility to shift the
target water temperature up or down by a maximum of 5°C. See the
operation manual for more details on weather dependent operation.

■

[1-00] Low ambient temperature (Lo_A): low outdoor
temperature.

■

[1-01] High ambient temperature (Hi_A): high outdoor
temperature.

■

[1-02] Set point at low ambient temperature (Lo_Ti): the
target outgoing water temperature when the outdoor
temperature equals or drops below the low ambient
temperature (Lo_A).
Note that the Lo_Ti value should be higher than Hi_Ti, as for
colder outdoor temperatures (i.e. Lo_A) warmer water is
required.

NOTE

Changes made to a specific field setting are only
stored when the

button is pressed. Navigating to a

new field setting code or pressing the

button will

discard the change made.

NOTE

■

Before shipping, the set values have been set as
shown under

"Field settings table" on page 13

■

When exiting FIELD SET MODE, “