Daikin EKRTWA Operation manuals
EKRTWA
OPERATION MANUAL
Room thermostat
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EKRTWA Room thermostat Operation manual
THANK YOU FOR PURCHASING THIS THERMOSTAT.
READ THE MANUAL ATTENTIVELY BEFORE USING
THE INSTALLATION. AFTER READING THE MANUAL,
STORE IT IN A SAFE PLACE FOR FUTURE USE.
The English text is the original instruction. Other languages are
translations of the original instructions.
WARNINGS
■
Never let the thermostat get wet, this may cause an electric
shock or fire.
■
Never press the buttons of the thermostat with a hard,
pointed object. The thermostat may be damaged.
■
Never inspect or service the thermostat yourself, ask a
qualified service person to do this.
Contents
1. Main features..........................................................................2
2. Buttons on front cover and LCD.............................................3
3. Getting started .......................................................................5
4. Description of the function modes and menus....................... 7
5. Using the thermostat.............................................................. 9
6. Setting up codes in the user menu.......................................15
7. Troubleshooting.................................................................... 18
8. Maintenance.........................................................................19
9. APPENDIX: factory-defined programs .................................20
EKRTWA
Room thermostat
4PW56102-1
Operation manual
1
1. Main features
The EKRTWA is a state of the art programmable electronic
thermostat, which regulates your Daikin system, where comfort,
simplicity and energy saving go hand in hand. It is the wired
room thermostat option kit, mainly used for new installations.
The main features are:
■
Room temperature control, based on the measurements of
the internal sensor.
■
Cooling and heating mode (with possibility to disable cooling
function if not required).
■
Off function (with integrated frost protection).
■
Comfort and reduced function modes, using the comfort and
reduced setpoint respectively.
■
Holiday function mode.
■
Weekly schedule timer with 2 custom (
predefined (
π1~π5
) schedules.
- The predefined schedules use the comfort and reduced
setpoints of the comfort or reduced function mode.
- The custom schedules use independent, programmed
setpoints (up to 12 setpoints per day).
-You can lock the schedule timer which allows a temporary
override with the comfort or reduced setpoint by means of
a single key push.
- It is possible to link a custom schedule to cooling and
heating mode.
- Comfort startup control. The schedule timer will
automatically start up in advance, trying to reach the
programmed setpoint at the programmed time.
■
Clock (with day and month).
■
Key lock function.
■
Automatic daylight saving time change.
■
Setpoint limitation. Your installer has the possibility to modify
the lower and upper limit of the setpoints. Refer to “Setting
up codes in the installer menu” (code
installation manual.
◊1+◊2
6® 12+6® 13
) and 5
) in the
Operation manual
2
EKRTWA
Room thermostat
4PW56102-1
2. Buttons on front cover and LCD
Refer to figure 1 at the inside of the front cover.
1
Left and right buttons (< and >). Used to select
modes.
2
Up and down buttons (+ or -). Used to change
values.
3
OK - Schedule timer button (=).
Used to:
- confirm setpoints or save selections
- enable/disable locked schedule timer
4
LCD
Refer to figure 2 at the inside of the front cover.
1
Cooling/heating mode selection
2
Comfort function mode
3
Schedule timer function mode
4
Reduced function mode
5
OFF function mode (with integrated frost protection)
6
Holiday function mode
7
Schedule timer setting menu
8
Date and clock setting menu
9
Manual override of scheduled mode
10
Day of the week
11
Error occurred: intervention needed
12
Active user or installation menu or error occurred. Refer
to "Troubleshooting" on page 18.
13
Selected program (schedule timer) or code
14
Room temperature or setpoint (when flashing)
15
Thermostat ON (heating or cooling requested)
EKRTWA
Room thermostat
4PW56102-1
Operation manual
3
16
AM - PM indication
17
Room temperature symbol
18
Degrees type indication (°C or °F)
19
When manually overriding a schedule or when consulting
the active scheduled setpoints by pressing
the current and next setpoint together with the starting
+
hour of the next action are displayed.
•t is shown in case the next action setpoint goes up.
•u is shown in case the next action setpoint goes down.
•tu is shown in case the setpoints are equal.
20
Actual time
21
“Low batteries” indication
22
Key lock function
23
Next scheduled temperature setpoint
or -,
Operation manual
4
EKRTWA
Room thermostat
4PW56102-1
3. Getting started
3.1. Setting the clock and date
After installation you first need to set the clock before you can
actually use the thermostat.
1
Activate the advanced mode by pressing > during 5
seconds in OFF mode (
Refer also to "Description of the function modes and menus"
on page 7.
2
Navigate to the date and clock setting menu (
>
and then press =.
3
Set the hour, minutes, day of the week (& = Monday,
I
= Tuesday,...), day, month and year by pressing + or
-
and confirm each time by pressing =.
The value that you modify flashes.
3.2. Setting the desired mode: heating or cooling
This is only possible if cooling mode is available.
NOTE
1
Press < to go to comfort mode (A).
2
Press < during 5 seconds to go to the heating/cooling
selection mode.
or > to switch to the desired mode.
3
4
<
Press
O
or P is flashing.
Press = to save your selection.
The thermostat returns to the schedule timer mode (B).
).
D
G
) by pressing
EKRTWA
Room thermostat
4PW56102-1
Operation manual
5
3.3. Setting the desired setpoint
1
Navigate to the comfort mode A by pressing < or > to
set the comfort setpoint.
Refer also to "Description of the function modes and menus"
on page 7.
2
Raise or drop the setpoint by pressing + or -.
The current setpoint flashes.
3
Press = to save your settings.
The room temperature is displayed (
R
).
Operation manual
6
EKRTWA
Room thermostat
4PW56102-1
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