Daikin EWAQ009ACV3, Operation Manual

Operation manual

3

EWAQ+EWYQ009~0 EWAQ+EWYQ009~013ACW1

Packaged air-cooled water chillers and packaged reversible air to

water heatpumps

4PW51588-1

10.

INSPECTION REQUIRED 

k

 and 

l

These icons indicate that inspection is required on the
installation. Consult your dealer.

11.

SET TEMPERATURE DISPLAY 

9

The display shows the current set temperature of the
installation.

12.

SETTING 

$

Not used. For installation purposes only.

13.

NOT AVAILABLE 

n

This icon is displayed whenever a non-installed option is
addressed or a function is not available.

14.

DEFROST/STARTUP MODE ICON 

d

This icon indicates that the defrost/startup mode is active.

15.

COMPRESSOR ICON 

ç

This icon indicates that the compressor in the unit is active.

16.

Not applicable

17.

Not applicable

18.

PUMP ICON 

é

This icon indicates that the circulation pump is active.

19.

OUTDOOR TEMPERATURE DISPLAY 

u

When this icon is flashing, the outdoor ambient temperature is
displayed.

20.

WEATHER DEPENDENT SET POINT ICON 

a

This icon indicates that the controller will adapt the temperature
set point automatically, based on the outdoor ambient
temperature.

21.

TEMPERATURE ICON 

b

This icon is displayed when the water outlet temperature of the
unit and the outdoor ambient temperature are shown.

The icon is also displayed when the temperature set point is set
in schedule timer programming mode.

22.

TEST OPERATION ICON 

t

This icon indicates that the unit runs in test mode. Refer to the
installation manual.

23.

FIELD SET CODE 

;

This code represents the code from the field set list. Refer to the
installation manual.

24.

ERROR CODE 

:

This code refers to the error code list and is for service purposes
only. Refer to the installation manual.

25.

HEATING/COOLING BUTTON 

=

This button allows manual switching between cooling or heating
mode (provided the unit is not a cooling only unit).

When the unit is connected with an external room thermostat,
this button is not operable and the icon 

e

 is shown.

26.

Not applicable

27.

WEATHER DEPENDENT SET POINT BUTTON 

ba

This button enables or disables the weather dependent set point
function which is available in heating operation only.

If the controller is set in permission level 2 or 3 (refer to 

"Field

settings" on page 9

), the weather dependent set point button will

not be operable.

28.

INSPECTION/TEST OPERATION BUTTON 

z

This button is used for installation purposes and changing field
settings. Refer to 

"Field settings" on page 9

.

29. PROGRAMMING BUTTON 

<

This multi-purpose button is used to program the controller. The
function of the button depends on the actual status of the
controller or on previous actions carried out by the operator.

30. SCHEDULE TIMER BUTTON 

r

/

p

The main function of this multi-purpose button is to
enable/disable the schedule timer.

The button is also used to program the controller. The function of
the button depends on the actual status of the controller or on
previous actions carried out by the operator.

If the controller is set in permission level 3 (refer to 

"Field

settings" on page 9

), the schedule timer button will not be

operable.

31. TIME ADJUST BUTTON 

pi

 and 

pj

These multi-purpose buttons are used to adjust the clock, to
toggle between temperatures (water outlet temperature of the
unit, outdoor ambient temperature) and in schedule timer
programming mode.

32. TEMPERATURE ADJUST BUTTONS 

bi

 and 

bj

These multi-purpose buttons are used to adjust the current set
point in normal operation mode or in schedule timer
programming mode. In weather dependent set point mode the
buttons are used to adjust the shift value. Finally, the buttons are
also used to select the weekday while setting the clock.

33. Not applicable

34. QUIET MODE BUTTON 

s

This button enables or disables quiet mode.

If the controller is set in permission level 2 or 3 (refer to 

"Field

settings" on page 9

), the quiet mode button will not be operable.

Setting up the controller

After initial installation, the user can set the clock and day of the
week.

The controller is equipped with a schedule timer that enables the
user to schedule operations. Setting the clock and day of the week is
required to be able to use the schedule timer.

Setting the clock

1

Hold down the 

pr

 button for 5 seconds.

The clock read-out and the day of week indicator start flashing.

2

Use the 

pi

 and 

pj

 buttons to adjust the clock.

Each time the 

pi

  or 

pj

  button is pressed, the time will

increase/decrease by 1 minute. Keeping the 

pi

  or 

pj

button pressed will increase/decrease the time by 10 minutes.

3

Use the 

bi

 or 

bj

 button to adjust the day of the week.

Each time the 

bi

  or 

bj

  button is pressed the next or

previous day is displayed.

4

Press the 

<

 button to confirm the current set time and day of the

week.

To leave this procedure without saving, press the 

pr

 button.

If no button is pressed for 5 minutes the clock and day of the
week will return to their previous setting.

Setting the schedule timer

To  set the schedule timer, refer to chapter 

"Programming and

consulting the schedule timer" on page 6

.

NOTE

The clock needs to be set manually. Adjust the setting
when switching from summertime to wintertime and
vice versa.