English 19MAIN/SUB CHANGEOVER• Refer to the manual attached to the remote controller.Wiring Method(1) Remove the control box lid.(2) Add wiring between the remote controller 2 (Sub) and the terminal (P1, P2) of the terminal block (X1M) forthe remote controller in the control box. (There is no polarity.)NOTE• Terminal numbers of outdoor and indoor units must be matched.10. FIELD SETTINGComplete all the “1. Items to be checked after completion of work” on page 4.• Make sure that the installation and wiring work for the indoor and outdoor units is all completed.• Make sure that the following items are all closed: the control box lid of the indoor unit and the outer boardand piping cover of the outdoor unit.• Setting can be made by changing the “Mode No.”, “FIRST CODE NO.”, and “SECOND CODE NO.”.• For setting procedures and instructions, see the manual provided with the remote controller.NOTE• The “Mode No.” is normally set collectively for a group. In order to set each indoor unit individually and per-form checks after the settings, specify the Mode No. in parenthesis.• Do not perform settings that are not listed in the table.10-1 AIRFLOW SETTINGS WHEN THERMOSTAT IS OFF• Set the flow rate according to the requirement of the environment after consultation with the customer.(As the factory setting, airflow for when cooler thermostat is off is set to SECOND CODE NO. “02”, whileother settings are set to “01”.) (Refer to Table 5)Table 5are the settings when shipped from the factory.Setting Mode No. FIRSTCODE NO.SECONDCODE NO.Fan operation when thermo-stat is OFF (Cooling/Heating)Normal 11 (21) 2 01Stop 02Airflow rate when cooler ther-mostat is OFFLL airflow rate 12 (22) 6 01Setting airflow rate 02Airflow rate when heaterthermostat is OFFLL airflow rate 12 (22) 3 01Setting airflow rate 02Remotecontroller 1(Main)Remotecontroller 2(Sub)Terminal block(X1M)(Master *)Additionalremote controller* For simultaneous operation system, be sure toconnect the remote controller to the master unit.P1 P2 F1 F2