The Service Module is the core of the range. An electrically operated valve opens to let water in to fill the tank. The tank has protection in case of over temperature, low water level and overfilling. All fluid connections to the optional heat exchangers are self-sealing quick connectors for safety and simplicity. The hot and cold fluid streams have different connectors to reduce errors. The services modules hot water system includes a tank with a PID controlled electric heater, a pump and tank level indicators. It provides hot and cold water to the heat exchangers and all the instruments needed to measure their performance. The hot water system gives stable flow rates and temperatures.
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