Step1: Turn off and unplug unit allow it to cool completely before beginning installation to prevent electrical shock or burns.
Step2: Remove existing thermostat assembly panel using appropriate screwdriver, keeping screws safely aside for reassembly.
Step3: Connect wiring to matching terminals as labeled, ensuring firm and correct electrical connections.
Step4: Secure assembly and restore panel, ensuring all fittings are tight and properly aligned.
Step5: Restore power and test digital control operationality to confirm better and accurate operation.