SiBE061121_A Field SettingsTrial Operation and Field Settings 1254.3 Facility Setting Jumper (cooling at low outdoortemperature)Outline RXG50K3V1B onlyThis function is limited only for facilities (the target of air conditioning is equipment (such ascomputer)). Never use it in a residence or office (the space where there is a human).Detail You can expand the operation range to –10°C by cutting jumper J6 on the outdoor unit PCB. Ifthe outdoor temperature falls to –18°C or lower, the operation stops. If the outdoor temperaturerises, the operation starts again.Caution 1. If the outdoor unit is installed where the outdoor heat exchanger of the unit is exposed todirect wind, provide a windbreak wall.2. Intermittent noises may be produced by the indoor unit due to the outdoor fan turning on andoff when using facility settings.3. Do not place humidifiers or other items which might raise the humidity in rooms where facilitysettings are being used.A humidifier might cause dew condensation from the indoor unit outlet vent.4. Cutting jumper sets the indoor fan tap to the highest position.Caution Replace the PCB if you accidentally cut a wrong jumper.Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any ofthem.(R18276) GNDCut the jumper J6.J5J7J8J6