To maximise the potential benefits of this type of installation a suitable control system can be fitted to enable the appliance to be installed in a “cascade” system (where boilers can be sequenced to come into and out of service when required). This arrangement has a number of benefits:
- Reliability – if one appliance breaks down, other appliances continue to supply heat. Similarly, it may be possible to service one appliance at a time whilst the heating continues to run.
- Efficiency – individual boilers can be turned on and off according . . .
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