Daikin VRV FXAQ20MAVE Installation Manual

Contents

English 18(3) How to select FORCED OFF and ON/OFF OPERATION• Turn the power on and then use the remote controller toselect operation.• Set the remote controller to the field set mode. For details,refer to the “HOW TO SET IN THE FIELD”, in the remotecontroller manual.• When in the field set mode, select mode No. 12, then setthe first code (switch) No. to “1”. Then set second code(position) No. to “01” for FORCED OFF and “02” for ON/OFF OPERATION.(FORCED OFF at factory set) (Refer to Fig. 29)9-5 CENTRALIZED CONTROL• For centralized control, it is necessary to designate the group No. For details, refer to the manual of eachoptional controllers for centralized control.10. TEST OPERATIONMake sure the service lids are closed on the indoor and outdoor units.Refer to the installation manual of the outdoor unit.• The operation lamp of the remote controller will flash when an malfunction occurs. Check the malfunctioncode on the liquid crystal display to identify the point of trouble. An explanation of malfunction codes andthe corresponding trouble is provided in “CAUTION FOR SERVICING” of the indoor unit.If any of the items in Table 5 are displayed, there may be a problem with the wiring or power, so check thewiring again.Table 5Remote controller display Content“Concentrated Management” is lit up • There is a short circuit at the FORCED OFF terminals (T1, T2).“U4” is lit up“UH” is lit up• The power on the outdoor unit is off.• The outdoor unit has not been wired for power supply.• Incorrect wiring for the transmission wiring and/or FORCEDOFF wiring.• The branch wiring is cut.No display• The power on the indoor unit is off.• The indoor unit has not been wired for power supply.• Incorrect wiring for the remote controller wiring, thetransmission wiring, and/or the FORCED OFF wiring.• The remote controller wiring is cut.SETTINGMode No.SECOND CODE NO.FIELD SET MODEFig. 29FIRST CODE NO.

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