70 Aquarea air / water heat pump – design handbook 07 / 2014
Project Design
Sizing the Hot Water Cylinder
Aquarea HP Slimline Model Selection Guide
Dwelling type
Suggested model
Number of
bedrooms
Number of bathrooms
and shower rooms
1 – 3 1 bathroom PAW-TE18C2E3SL-UK
2 – 3 1 bathroom + 1 shower room PAW-TE18C2E3SL-UK
2 – 3 1 bathroom + 2 shower rooms PAW-TE18C2E3SL-UK
Please note that the two heat exchangers must be connected in parallel
to the heat pump circuit when a solar thermal system is not installed, as
shown in the schematic below.
Schematic Open Vented Primary System
Heat Pump
Minimum
distance as
required by
heat pump
manufacturers
instructions
Warming/Overflow
Pipe
F & E Cistern
150mm max.
Schematic Sealed Primary System
Safety Valve, Expansion
Vessel, Gauge and Pump
within Heat Pump
Heat Pump
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