30
DC Inverter Multi VRF System II
Service Manual
CONTROL
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If “OK” button is displayed, it means user needs to judge whether to continue debugging or not. Click icon and relevant
information will be shown for your reference. Click “Close” to close the pop-up (For No.3 Conrm ODU Basic Module NO. and No.4
Conrm IDU NO., the current number of units under debugging will be displayed. See the following marked with circle. For No.8
Compr. Preheat Conrmation, the preheat time will be displayed. See the following marked with circle).
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Icon indicates that there is problem found during debugging. Debugging will not be completed unless problem is solved
(after problem is solved, step without “OK” button will switch to the next step automatically, otherwise user needs to click “OK”
to continue). Click icon and relevant information detected in this step will be displayed for your reference in order to solve
problems. Click “Close” to close the pop-up.
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During debugging, a click on “Break” can stop debugging. Click “Start” to resume debugging and then debugging will be nished
step by step. For No.10 ODU Valves Check Before Startup, there are “Back” and “Skip” buttons. If there is error in this step, you
can back to step No.9 and click “OK” to restart debugging on step No.10. If the error in step No.10 is U6 error (valve error alarm),
you can click “Skip”. In other cases, “Skip” button is null.
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Step 11, 13 and 14 are reserved steps. And step 13, 14, 15 and 16 are steps in parallel (only one of the four will be selected
according to actual needs).
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