Keys - York 21RT-47RT Installation, Operation And Maintenance Manual

Water-cooled chiller
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Schematic for the display of negative temperature (the display should be as compact as the
4.4.4 Alarm status
1) Display of communication fault between the wire controller and the unit
When a communication fault occurs between the wire controller and the unit,
will flash, and there will be flashing display of the fault code in temperature display area;
otherwise,
2) If there is any fault,
temperature display area; otherwise,
3) When the fault code is in flashing display state, press
1 minute and returned to the daily display interface, but
eliminated.
4) In daily display state, long press
the fault inquiry interface.
4.4.5 Inquiry and setting states
(Please refer to the inquiry function and setting function)

4.5 Keys

1) The key operation comprises the following steps: be effectively pressed and then be
2) The precondition for the execution of the key is that the backlight is on. If the
3) Only when the backlight is on, the second keypress can be valid
Cooke Industries - Phone: +64 9 579 2185
Diagram of temperature display
diagram, and the numerical value shall be right-justified)
will be hidden.
will flash, and there will be flashing display of the fault code in
effectively released. Its effective operation shall be marked by the effective release
of the key.
backlight is off, the first keypress can only illuminate the backlight.
Email: sales@cookeindustries.co.nz
Operation instructions of wire controller
will be hidden.
+
for more than 5 seconds, and then enter
35
or do not operate it for
will flash until the fault is
Web: www.cookeindustries.co.nz

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