COMFORT UNIT CONTROLS CodingfoRunitfoRReCiRCuLatedaiRappLiCationsonLy Room thermostat MAJOR LINE COADIS LINE COMFORT LINE MELODY2 2-tube system Cooling only or heating only ■ 3-speed ventilation RTR-E 7015 room thermostat Code 5201023 with manual summer/winter toggle switch Note: For operation without manual reverse switch, please contact us Heating/cooling with manual summer/winter toggle switch ■ 3 ventilation speeds RTR-E 7015 room thermostat Code 5201023 with manual summer/winter toggle switch Heating/cooling with automatic changeover ■ 3 ventilation speeds 7124612 RTR-E 7009 room thermostat Code + with automatic changeover thermostat 7128892 * For ceiling units with the following scenarios: We recommend the use of controls acting on valves (see next - High local humidity, page). - Very low temperature chilled water, - Fresh air supply, - Use of high speeds, - Intermittent operation. 106 106 CATALOGUE 2021