Technovate Universal AC PCB Complete Kit for Non-Inverter Cassette & Ductable AC Universal Control Board with Remote, Display & Transformer PCB for Ceiling Cassette & Ducted AC (1 Year Warranty)

Step 1 – Switch OFF the AC Power Completely disconnect the AC from the main electrical supply before starting installation. Do not work on the PCB while the unit is energized. Step 2 – Remove the Existing PCB Open the electrical/control panel of the cassette or ductable AC and carefully remove the existing control PCB. Before disconnecting the old board, take clear photographs of all wiring and connectors. Step 3 – Identify All Components Identify the existing: Compressor wiring Indoor fan motor wiring Outdoor/condenser fan wiring Temperature sensors Swing/vane motor, if applicable Display/receiver Transformer Power supply Other auxiliary controls Step 4 – Mount the Universal PCB Install the new universal PCB inside a suitable protected electrical enclosure or the original control-box location. Make sure the PCB is securely mounted and protected from water, condensation and mechanical damage. Step 5 – Install the Transformer Install the supplied transformer in a suitable position and connect it according to the supplied wiring diagram and transformer specifications. Do not connect the transformer based only on wire colour. Step 6 – Connect Compressor & Fan Motors Connect the compressor, indoor fan and outdoor fan circuits to the correct PCB terminals according to the supplied wiring diagram. For multi-speed fan motors, identify the correct common and speed terminals before making connections. Step 7 – Connect Temperature Sensors Connect the room/return-air and coil/evaporator temperature sensors to the appropriate sensor terminals on the PCB, according to the supplied wiring diagram. Step 8 – Connect Display / Receiver Connect the display/IR receiver unit to the designated display/receiver connector on the PCB. Step 9 – Install the Remote Install batteries in the supplied remote and position the IR receiver/display where it can receive the remote signal. Step 10 – Check All Connections Before powering the AC, carefully inspect every connection. Check: Power input Compressor connection Fan connections Sensor connections Display connection Transformer connection Swing/vane connection Earthing Loose wires or exposed terminals Step 11 – Power ON & Test After all connections have been verified, restore power and test the system. Check: ON/OFF Cooling Fan speed Temperature sensing Compressor operation Indoor/outdoor fan operation Swing/vane operation, if applicable Remote control Display Timer and other available functions IMPORTANT SAFETY WARNING Installation involves mains voltage and high-current compressor/fan circuits. Installation should only be performed by a qualified HVAC technician/electrician using the supplied wiring diagram. Incorrect wiring can damage the PCB, compressor, fan motor, transformer or other AC components. Universal PCB installation should be based on the actual electrical configuration of the AC, not simply by matching wire colours.