Update README.md

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@ -9,9 +9,9 @@ pumps. Controller can be easily used for newly designed heat pumps (HPs), includ
- 12V 0.5A DC power supply,
- 230V output
- up to 12 T sensors, -55..+125 °C range,
- 4 relays (<sub><sup>Compressor, Hot CP or Air Fan, Cold CP or Air Fan, Crankcase Heater</sup></sub>)
- 4 relays (<sup>Compressor, Hot CP or Air Fan, Cold CP or Air Fan, Crankcase Heater</sup>)
- 2 inputs (<sub>Hot and cold side refrigerant over/under pressure NC sensors</sub>)
- 6 pin EEV connection (4 * coils + 2 * 12V)
- 6 pin EEV connection <sub>(4 * coils + 2 * 12V)</sub>
- control via remote display or local Serial(UART 5V)
- automatically turns on/of system when heating required
- takes care of system components, built-in protections: cold start, overheat, short-term power loss, power overload, ground loop freeze and compressor protection against liquid.