ENGLISH
After “Test Run” or “Air Purge” option is selected, the YUTAKI
user controller asks for the duration of the test.
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user controller sends the order to the indoor.
During the execution of this test, the following screen is shown:
• When the test starts, the user controller will exit from the
installer mode.
• If “favourite action button” is pressed during test run, this
function will be executed until the user presses the cancel
option (this is not-limited by time).
• User can cancel the test run regardless of the time left for
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in the screen, and pressing accept, the user returns to the global
view.
N O T E
• When commissioning and installing the unit, it is very important to use
the “Air purge” function to remove all the air in the water circuit. When
the air purge function is running, the water pump starts the automatic
air venting routine which consists of regulating the speed and open/
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• For Outdoor test run, refer to Outdoor Unit Installation Manual.
• Disable Boiler operation for all the test run operation.
8 UNIT CONTROLLER
8.1 DEFINITION OF THE SWITCHES
OK
p
o
q
r
s
u
t
o
Liquid Crystal Display
Screen where controller software is displayed.
p
OK button
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selected values.
q
Arrows key
It helps the user to move through the menus and views.
r
Run/Stop button
It works for all zones if none of the zones is selected or only
for one zone when that zone is selected.
s
Menu button
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controller.
t Return button
To return to the previous screen.
u
Favourite button
When this button is pressed, the selected favourite action
(ECO, Holiday, Simple timer or DHW boost) is directly
executed.
UNIT CONTROLLER
PMML0340B rev.1 - 03/201631
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