Carrier 42HWG009 Technical Data & Service Manual

Contents

25 Auto restart Mode– When the power failure is happened during the system operating, the micro will memo-rize the operation mode and the unit operates automatically according to the previousoperating mode after the power is recovered.– Whenever the unit receives remote signal, the micom will memorize the following opera-tion• Power ON/OFF• Operation mode• Temperature setpoint• Louver position• Fan speed Cold draft function– The system performs this function only in HEAT mode.– If the indoor coil temperature is lower thana certain level, then indoor fan motor runs at slowspeed regardless of user setting speed.1) When the compressor stops,Indoor fan moter runs at monitoring speed only.2) When the compressor runs,Indoor fan motor runs as follows.(7) Address configuration– According to input of selecting address configuration, this function configures customcode of transmitted remote signal and processes it as input.– Processable custom codes are displayed as follows.Address configuration Processable custom codeA DCCAB DCCB– If user wants to use “B” address, adjust the slide switch to “B” in control PCB andremote.ADDRESSPCBRST TALR03(AM4)1.5VLR03(AM4)1.5V• Remote control• Remove the lid of battery case.• Assign the address switch of one remotecontrol as B.• Press the RST button with a sharp object.• Indoor unit• Turn off the unit and pull out the power plug.• Remove the front panel, terminal block cover andframe grille.• Pull out the PCB.• Assign the address switch of one indoor unit as B.Indoor Coiltemperature(ϒC)0ϒC-3ϒC 30ϒC 37ϒC 43ϒCOFFMonitoring SpeedSetted SpeedLow