12 English10. INSTALLATION OF THE SUCTIONGRILLE AND THE AIR FILTERInstall side panel and suction grille properly in the order oppo-site to detachment.11. FIELD SETTINGMake sure the electric parts box lids are closed on theindoor and outdoor units.Field setting must be made from the remote controller inaccordance with the installation condition.• Setting can be made by changing the “Mode No.”, “FIRSTCODE NO.”, and “SECOND CODE NO.”.• For setting and operation, refer to the “FIELD SETTING” inthe installation manual of the remote controller.11-1 Setting ceiling height• Select the SECOND CODE NO. that corresponds to the ceil-ing height. (Refer to Table 4).(SECOND CODE NO. is factory set to “01” for a ceilingheight of 2.7m or less.)Table 411-2 Setting air filter sign• Remote controllers are equipped with liquid crystal displayair filer signs to display the time to clean air filters.• Change the SECOND CODE NO. according to Table 5depending on the amount of dirt or dust in the room.(SECOND CODE NO. is factory set to “01” for filter contam-ination-light.)Table 5When using wireless remote controllers• When using wireless remote controllers, wireless remotecontroller address setting is necessary. Refer to the installa-tion manual attached to the wireless remote controller forsetting instructions.• Set the remote controller to the field set mode. Fordetails, refer to the “HOW TO SET IN THE FIELD”, in theremote controller 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)12. TEST OPERATIONRefer to the installation manual of the outdoor unit.• The operation lamp of the remote controller will flash whenan malfunction occurs. Check the malfunction code on theliquid crystal display to identify the point of trouble. An expla-nation of malfunction codes and the corresponding trouble isprovided in “CAUTION FOR SERVICING” of the outdoorunit.If any of the items in Table 6 are displayed, there may be aproblem with the wiring or power, so check the wiring again.Table 6Ceiling height (m) Mode No. FIRST CODENO.SECOND CODENO.2.7 or less 13 (23) 0 012.7- 3.5 02SettingSpacing time ofdisplay airfilter sign(long life type)ModeNo.FIRSTCODENO.SECONDCODENO.Air filtercontamination-light Approx. 2500 hrs10 (20) 001Air filtercontamination-heavy Approx. 1250 hrs 02SETTINGModeNo.SECONDCORD NO.FIRSTCORD NO.FIELD SETMODERemote control display Content“Concentrated Manage-ment” is lit up• There is a short circuit at the FORCEDOFF 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 forpower supply.• Incorrect wiring for the transmissionwiring and / or FORCED OFF wiring.No display• The power on the indoor unit is off.• The indoor unit has not been wired forpower supply.• Incorrect wiring for the remote control-ler wiring, the transmission wiring and /or the FORCED OFF wiring.