SERVICE MANUAL - BVT Partners OÜ

'11 • SCM-SM-110(14) Drain motor (DM) control (SRR series only)(a) Drain motor (DM) is operated during the cooling or dehumidifying mode operations and simultaneously wity the compressorON. The DM continues to operate for 5 minutes after the operation stop, anomalous stop, thermostat stop or when it wasswitched from the cooling and dehumidifying operations to the fan or heating operation.Indoor unit operation modeStop (1) Cooling Dehumidifying Fan (2) Heating Note (1) Inciuding the stop from the cooling, dehumiditying, fanand heating, and the anomalous stopCompressor ONControl A(2) Inciuding the “Fan” operation according to themismatch of operation modesCompressor OFFControl B1) Control Aa) If the float switch detects any anomalous draining condition, the unit stops with the anomalous stop and thedrain pump starts. After detecting the anomalous condition, the drain motor comtinues to be ON.b) It keeps operating while the float switch is detecting the anomalous condition.2) Control BIf the float switch detects any anomalous drain condition, the drain motor is turned ON for 5 minutes, and at 10 secondsafter the drain motor OFF it checks the float switch. If it is normal, the unit is stopped under the normal modeor, if there is any anomalous condition, displayed by the flashing of display lights and the drain motor is turned ON.(The ON condition is maintained during the drain detection.)