Mechanical Switch Key; Buzzer; Backlight; Functions - York 21RT-47RT Installation, Operation And Maintenance Manual

Water-cooled chiller
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4) If the backlight is on, under daily display state, when press the running key, such as the

4.6 Mechanical switch key

Referenced basic function

4.7 Buzzer

When it is energized for power-on, it shall be operated for 100 mS
When release the key after pressing (including the switch key) it, it shall be operated for 100mS
Until Auto-Off

4.8 Backlight

Two indication states of the backlight
Bright: it should be this state when the screen protection is not operated
Dim bright: it should be this state when the screen protection is operated

4.9 Functions

4.9.1 Basic Functions
No.
Function
Unit Power
1
ON/OFF
Selection key
2
for cooling
mode
Selection key
3
for heating
mode
Cooke Industries - Phone: +64 9 579 2185
mode/temperature key, etc., the first press will not trigger the operation, and this will only
transfer the state from the daily display state to the operation interface, and the saved
setting value will be displayed, and then the second keypress will change the setting value.
Main
Function
Key
Short press this key to switch unit's on and off status. When the status of
the unit is on, if you short press this key, it will turn off the unit; When the
status of the unit is off, if you short press this key, it will turn on the unit.
The precondition for the execution of the key is that the backlight is on. If
the backlight is off, the first keypress can only illuminate the backlight.
Precondition: under daily display state or mode setting state:
1) Press any mode setting key to enter the mode setting state;
2) Display the "SET" icon
3) Short press the
4) Do not input anything within 10 seconds or short press the
5) Short press the
Precondition: under daily display state or mode setting state:
1) Press any mode setting key to enter the mode setting state;
2) Display the "SET" icon
3) Short press the
4) Do not input anything within 10 seconds or short press the
5) Short press the
Email: sales@cookeindustries.co.nz
Operation instructions of wire controller
Operation Instructions
key and the cooling icon
to confirm the current operation and return to the daily display state;
key to cancel the current operation and return to
the daily display status.
key and the heating icon
to confirm the current operation and return to the daily display state;
key to cancel the current operation and return to
the daily display status.
36
of the temperature display area;
will flash;
of the temperature display area;
will flash;
Web: www.cookeindustries.co.nz
key
key

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