What is the recommended hydraulic operating flow for DualSun panels?

The proper throughput of an installation depends on the schema listed below.

The lower the rated thermal load of a plant, the higher the flow rate. The recommendations of nominal flow rate in operation are provided below:

Application

Recommended nominal flow
(L / h / panel)

CESI: Individual Solar Water Heater

32

CESC: Collective Solar Water Heater

32

Technical water storage with submerged heat exchanger

32

Technical water storage with plate heat exchanger

32

Individual indoor pressurized pool

100

Municipal indoor pressurized pool

100

Individual outdoor pressurized pool

100

Municipal outdoor pressurized pool

100

Indoor direct swimming pool

200

Indoor direct collective pool

200

Individual outdoor direct pool

200

Municipal outdoor direct pool

200

 

Notes:

  • For pressurized systems note that the new circulators are equipped with PWM signals that automatically regulate the flow as a function of the desired temperature difference between the collectors and the hot water tank. Thus, DualSun recommends a setting of the maximum flow rate with the pump running at 100% during commissioning.

 

These recommendations are provided below:

Application

Maximum flow rate in forced operation at 100%
(L / h / panel)

CESI: Individual Solar Water Heater

64

CESC: Collective Solar Water Heater

64

Technical water storage with submerged heat exchanger

64

Technical water storage with plate heat exchanger

64

Individual indoor pressurized pool

200

Municipal indoor pressurized pool

200

Individual outdoor pressurized pool

200

Municipal outdoor pressurized pool

200

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