Panasonic CZ-256ESMC2 Operation Manual
Also see for CZ-256ESMC2: Operation manualOperation manual
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3-154Control of 2WAY SYSTEM1234567898. Intelligent Controller (CZ-256ESMC2)486 Using the System6.6.3 Time zone totals and distributionThe Intelligent Controller provides functions for recording total operating time and calculatingdistribution ratios for four time zones: All hours, Regular hours, Out of hours, and Special days.When using these functions, be aware of the following points.Q Margin of error in time zone operating totalsThe intelligent controller acquires operating time data accumulated by individual indoor units viacommunication adaptors. The Intelligent Controller itself has an internal communication adaptorfunction.When the Intelligent Controller requests data from a communication adaptor, the adaptor queriesindoor units for their operating time data, and forward it to the Intelligent Controller after all totalshave been calculated.For this reason, there is a margin of error of up to several minutes that may arise in count totalsaround the transitions from one time zone to another. For example, cases such as the following arepossible.Case 1) Indoor units are stopped at the exact end of the Regular hours time zone (orimmediately before the end of the zone). For this reason, several minutes arecounted in the Out of hours total.Case 2) Indoor units are operated for the same length of time before and after the transitionfrom Regular hours to Out of hours, but the totals for the two zones are not thesame.Q Note about daily timer settingsFor communications reasons, there is a slight delay before units can be stopped by a timer.Therefore you should avoid setting timers that stop units exactly at the transition between two timezones.For example, if you simultaneously stop a large number of indoor units at the transition fromRegular hours to Out of hours, a certain period of time is required for the indoor units to actually stop.This time is counted as Out of hours time.If you need to set a timer to stop units before a time zone transition, you should avoid setting it within10 minutes of the transition. (This is only an approximately guideline, since results vary depending oncommunications conditions.)Q Communications errors and data totalsData totals may not be accurate if communications errors occur in the Intelligent Controller, indoorunits, or communication adaptors.For example, if a communications error occurs in the Regular hours time zone, and normalcommunications are restored in the Out of hours time zone, all data received by the IntelligentController will be counted in the Out of hours time zone.Totals data received by the Intelligent Controller is counted in the time zone in which it is received.Q Usage for “All hours”The usage of “all hours” is calculated from the ratio of distributed portion of the entire group based onthe total of operation data in all time zones. Therefore, it is not consistent with the total usage of “regularhours”, “Out of hours”, and “special day”.Main Sub2233496 Using the System6.7 Maintenance and Test Runs6.7.1 Checking inspection signsUse this screen to check for indoor units for which ¿lter cleaning signs have been issued, andoutdoor units (GHP) for which engine oil inspection signs have been issued.ProcedureSelect 4.Maintenance/Test Run in the main menu and 1.Inspection sign in the sub menu.If ¿lter cleaning signs or engine oil inspection signs have been issued, contact your dealer orservice provider to request cleaning or oil exchange.1.Status/Control2.Total data/Cut-off3.Distrib. ratio/Usage4.Maintenance/Test Run5.Initial settings6.Auxiliary settings1.Inspection sign2.Alarm log3.Test runFilter cleaning signs are only an approximate guide. We recommend that you clean indoor unit ¿lters regularly,even if no signs have been issued.Main Sub 1144 |
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