OSCAR OS20 LCD Thermostat Instruction Manual

Oscar OS20 Manual: Questions and Answers

What do the Switch and Mode buttons do on Oscar OS20?

Switch enters settings when pressed for two seconds. Mode selects between five operating modes. Instruction Manual, p. 2

Can Oscar OS20 detect both indoor and outdoor temperature and humidity?

Yes. It detects indoor and outdoor temperature and humidity, including moisture content in the air. Instruction Manual, p. 2

What does it mean when icons flash on the Oscar OS20 display?

Flashing icons indicate parameters are being adjusted. The display stays on for a long time once adjustment stops, and turns off after 10 minutes of no operation. Instruction Manual, p. 5

What is the default preset room temperature for Oscar OS20?

26°C, which equals 78.8°F. Instruction Manual, p. 5

Oscar OS20 fan won't start even with sunlight, what should I check?

Several issues can prevent operation.

• Ensure the clock is set correctly by pressing SET and M buttons together for more than 2 seconds
• Check that virtual load voltage is higher than 16V for 40 minutes or 18V for 20 minutes
• Verify sufficient stable sunlight; cloudy conditions or wrong lighting angle may interrupt the program
• Don't hold the thermostat or air vent with your hands during testing, as body contact interferes with the analog signal
• If room temperature exceeds 24°C, set the target temperature higher, such as 32°C
• Confirm the three-core wire connector is fully inserted; if not, the PV panel will read 0V Instruction Manual, p. 11