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The NRG-LEX SYSTEM CONTROL MODULE eliminates the tedious and complex wiring tasks associated with a modern central heating system. The module links all the electrical components in a simple and efficient way.
4 temperature control zones, each with time and temperature control inputs as well as LED indicators, which can control a circulation pump or motorised valve.
2 boiler control systems (linked to the 4 temperature control zones), each with 3A power supply and volt-free switch contacts, to switch power supply to boiler(s).
2 auxiliary relays, activated by any of 4 inputs, and each with normally-open and normally-closed contacts.
1 frost thermostat input to activate boiler relays when the ambient temperature gets dangerously low.