Location Rotorua, New Zealand Industry Building Maitenance Client Holiday Inn OVERVIEW HMA Instrumentation recently offered the Holiday Inn Rotarua a free of charge trial of the Fireye NXM2G Intelligent Boiler Load Controller. The NXM2G measures the supply and return temperatures of a hot water boiler systems via digital sensors and monitors the “call for heat”. The sensors were installed externally and are non intrusive. On first firing the boiler reached its normal thermostat set point and turned off. During the next and subsequent stages the NXM2G checks: • The “call for heat” • If the boiler supply and return temperatures were within the designed temperature differential settings • If the boiler was required to fire, based on control algorithms The NXM2G holds the boi

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