27
English
Location of the 7 segment displays, buttons and DIP switches:
BS1 BS2 BS3
DS1
DS2
X27A
1
2
BS1
for changing setting mode
BS2, BS3
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DS1, DS2
DIP switches
1
7 segment displays (3
u
)
2
Push buttons (3×)
Segment display indications:
Off
Blinking
On
13.2. Operating the push buttons and DIP switches on
the printed circuit board
13.2.1. Operating the push buttons
By operating the push buttons it is possible to:
• Perform special actions (test run, etc).
•
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the required mode in the menu, select the correct setting and modify
the value of the setting. This procedure can be used any time special
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as an ON/OFF (1 or 0) depending on the contents. This is informed
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INFORMATION
During special operation (e.g., test run, etc.) or when an malfunction
happened, information will contain letters and numerical values.
Initialisation: default situation
Turn on the power supply of the outdoor unit and all indoor units.
When the communication between indoor units and outdoor unit (s) is
established and normal, the segment indication state will be as follows
(default situation when shipped from factory):
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When no trouble occurs: lighted as indicated (8-10 minutes).
Ready for operation: blank display indication as indicated.
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code can be checked on the indoor unit user interface and the outdoor
unit segment display. Solve the error code accordingly. The communi-
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INFORMATION
Be sure to turn the power on at least 6 hours before operation in order
to have power running to the crank case heater.
Accessing modes
BS1 is used to change the mode you want to access.
• Access mode 1
Push BS1 one time. Segment indication changes to:
• Access mode 2
Push BS1 for at least 5 seconds. Segment indication changes to:
INFORMATION
If you get confused in the middle of the process, push BS1.
Then it returns to idle situation (no indication on segment displays:
blank.)
Mode 1
Mode 1 is used to set basic settings and to monitor the status of the
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• Changing and access the setting in mode 1:
Once mode 1 is selected (push BS1 one time), you can select the
wanted setting. It is done by pushing BS2. Accessing the selected
setting’s value is done by pushing BS3 one time.
• To quit and return to the initial status, press BS1.
Example
:
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units are connected to the system).
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know/monitor:
• Make sure the segment indication is displayed in operational default
mode as shipped from factory.
• Push BS1 one time; result segment display:
Result: mode 1 is accessed.
• Push BS2 10 times; result segment display:
Result: mode 1 setting 10 is addressed.
• Push BS3 one time; the value which is returned (depending on the
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-
nected to the system.
Result: mode 1 setting 10 is addressed and selected, return value is
monitored information.
• To leave the monitoring function, push BS1 one time, you will return
to the default situation when shipped from factory.
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