17 English9. FIELD SETTING(1) Make sure the service lids are closed on the indoor and outdoor units.(2) Field setting must be made from the remote controller in accordance with the installation condi-tion.• Setting can be made by changing the “Mode No.”, “FIRST CODE NO.”, and “SECOND CODE NO.”.• For setting and operation, refer to the “FIELD SETTING” in the installation manual of the remote controller.9-1 SETTING AIR FILTER SIGN• Remote controllers are equipped with liquid crystal display air filer signs to display the time to clean air fil-ters.• Change the SECOND CODE NO. according to Table 5 depending on the amount of dirt or dust in the room.(SECOND CODE NO. is factory set to “01” for air filter contamination-light)Table 59-2 SETTING AIR FLOW RATE INCREASE MODE• It is possible to raise set air flow (HIGH and LOW) from the field. Change the SECOND CODE NO. asshown in Table 6 to suit your needs.(SECOND CODE NO. is factory set to “01” for standard.)Table 6〈〈〈〈When using wireless remote controllers〉〉〉〉• When using wireless remote controllers, wireless remote controller address setting is necessary. Refer tothe installation manual attached to the wireless remote controller for setting instructions.9-3 SETTING INDOOR UNIT NUMBER OF SIMULTANEOUS OPERATION SYSTEM• When using in simultaneous operation system mode, change the SECOND CODE NO. as shown inTable 7.(SECOND CODE NO. is factory set to “01” for pair system.)Table 7• When using in simultaneous operation system mode, refer to “Simultaneous Operation System Individ-ual Setting” section to set master and slave units separately.〈〈〈〈When using wireless remote controllers〉〉〉〉• When using wireless remote controllers, wireless remote controller address setting is necessary. Refer tothe installation manual attached to the wireless remote controller for setting instructions.Setting Spacing time of display airfilter sigh Mode No. FIRSTCODE NO.SECONDCODE NO.Air filtercontamination-light Approx. 200 hrs.10 (20) 001Air filtercontamination-heavy Approx. 100 hrs. 02Setting Mode No. FIRST CODE NO. SECOND CODE NO.Standard13(23) 001A little increase 02Increase 03Setting Mode No. FIRST CODE NO. SECOND CODE NO.Pair system (1 unit)11 (21) 001Simultaneous operationsystem (2-unit) 02Simultaneous operationsystem (3-unit) 03