8 ConfigurationInstaller and user reference guide33VAM350~2000J7VEBHeat reclaim ventilation unit4P487293-1A – 2018.058.4.1 Controller for VRV system air conditionerPlease read the manual supplied with the controller (BRC1E53) formore detailed instructions.degkcihjbfaa Operation Mode Selector buttonb Fan Speed/Airflow Direction buttonc Menu/Enter buttond Up buttone Down buttonf Right buttong Left buttonh ON/OFF buttoni Operation lampj Cancel buttonk LCD (with backlight)To change the ventilation rate1 Press the Menu/Enter button to display the main menu.2 Press the Up/Down buttons to select Ventilation and press theMenu/Enter button.Airflow DirectionIndividual Air DirectionQuick StartVentilationEnergy Saving OptionsSchedule1/2SettingReturnMain Menu3 Press the Up/Down buttons to select Ventilation Rate and pressthe Menu/Enter button.2/2Ventilation RateVentilation ModeVentilationSettingReturn4 Press the Up/Down buttons to change the setting to Low orHigh and press the Menu/Enter button to confirm.Ventilation RateVentilationHighSettingReturnTo select ventilation modeVentilation mode is used when cooling or heating is not necessary,so only the heat reclaim ventilation units are operating.1 Press the Operation Mode Selector button several times untilthe ventilation mode is selected.VentTo change the ventilation mode1 Press the Menu/Enter button to display the main menu.2 Press the Up/Down buttons to select Ventilation and press theMenu/Enter button.Airflow DirectionIndividual Air DirectionQuick StartVentilationEnergy Saving OptionsSchedule1/2SettingReturnMain Menu3 Press the Up/Down buttons to select Ventilation Mode andpress the Menu/Enter button.2/2Ventilation RateVentilation ModeVentilationSettingReturn4 Press the Up/Down buttons to select the required ventilationmode. For more information about ventilation modes, see"Ventilation modes" on page 33.Bypass2/2Ventilation modeVentilationSettingReturnBypass Energy Reclain Vent. AutoVentilation modesYou can change the ventilation mode in the main menu.Mode DescriptionAuto mode Using information from the airconditioner (cooling, heating, fan,and set temperature) and heatreclaim ventilation unit (indoorand outdoor temperatures), thismode automatically switchesbetween Heat ReclaimVentilation mode and Bypassmode.Heat Reclaim Ventilation mode(Energy Reclaim Ventilation)Outdoor air is supplied to theroom after passing through aheat exchange element, whereheat is exchanged with the roomair.Bypass mode The outdoor air bypasses theheat exchange element. Thismeans that outdoor air issupplied to the room without heatexchange with the room air.