Daikin EUWL KZW1 Series, Service Manual

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The Digital Controller: EUW5-24KZW1 and EUWL5-24KZW1 ESIE-0303
2–12 Part 2 – Functional Description
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2.2 The Digital Controller
Digital controller The EUW5-24KZW1 and EUWL5-24KZW1 units are equipped with a digital controller offering a
user-friendly way to configure, use and maintain the unit. The digital controller consists of:
■ A numeric display
■ 4 keys
■ 4 LEDs, used to provide extra user information.
Each key, except for the
s
key, combines two functions. The function of a key depends on the status
of the controller and the unit.
Front panel The illustration below shows the front panel of the controller.
Keys The table below contains an overview of the keys and their functions.
comp
x 100
clear
PRG
mute
SEL
Key Function
p
■ To enter the scroll list of parameters (press for 5 s).
■ To save a parameter modification.
■ To return to normal operation.
m
■
To deactivate the buzzer in case of an alarm.
u ■
To scroll up through the list of direct/user parameters.
■ To increase a parameter value.
h
■ To switch the unit ON in heating mode (press for 5 s) (only for heat pumps).
■ To switch the unit OFF when heating mode is active (press for 5 s) (only for
heat pumps).
c
■ To switch the unit ON in cooling mode (press for 5 s).
■ To switch the unit OFF when the cooling mode is active (press for 5 s).
d
■
To scroll down through the list of direct/user parameters.
■
To decrease a parameter value.
s
■ To enter the scroll list of direct parameters (press for 5 s).
■ To toggle between a parameter’s name and its value.
psç² ■
To enter the scroll list of factory parameters (press for 5 s), after 5 s the
password for factory parameters is requested.
ud ■
After 5 s, the manual alarms are reset.
p ■ The default parameters are written after pressing this key and then powering
the unit.