7/27/2019 Expansion-Vessel-Calculator1.xls

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For Use with the listed Collectors.

For Guidance Purposes only.

Input Description

Length of Pipe Water Content[m] [l/m] di [mm]

VG 0.13 [l] 1 0.1329 13 1/2" Copper

VG 0.00 [l] 0.2013 16 3/4" Copper

VG 0.00 [l] 0.3146 20 1" Copper

VG 0.00 [l] 0.1229 12.5 DN12 Stainless (Corrugated)

VG 0.00 [l] 0.2090 16.3 DN16 Stainless (Corrugated)

VG 0.00 [l] 0.3305 20.5 DN20 Stainless (Corrugated)

VG 0.00 [l] 0.0000 Other (Specify Internal Diameter)

VK 2.5 4.80 [l] 3

VK 1.25 0.00 [l] 0VK -K420 0.00 [l] 0

VK -VR14 0.00 [l]

VS 3.00 [l]

VWT 5.00 [l]

h 6.00 [m]PSV 5.00 [bar]

0.09PVK 1.20 [bar]

VG 12.93 [l]

VWV 1.00 [l]

Ve 1.16 [l]PSt 0.60 [bar]

P0 1.80 [bar]

Pe 4.50 [bar]

N 49.09 [%]PMAG 1.70 [bar]

VN 14.19 [l]

Product Information available on the following website:

www.cleanenergyireland.ie

Calculated Values Design Data

Volume in PipePipe Measurements

Collector Volume n = number of collectors [n]

Number of Integra 1.25m Integrated Collectors

Number of Integra 2.5m Integrated Collectors

static height of system (between sollar array and expansion vessel)nominal pressure (release pressure) saftety valve (4 to 5 bar)

expansion coefficient (0,07to 0,1)prepressure collector array (1 to 1.5bar)

Number of KBB K420DH Roof Mounted Collectors

Number of VR14 Vacuum Tube Collector -14 tubes

volume in fittings (i.e. valves, pumps etc.)(total)

volume in heat exchanger of consumers (I.e. plate heat exchanger, cyclinder coil)(total)

Expansion Vessel Calculation From DIN 4807

Nominal volume of expansion vessel

min.system pressure (filling pressure of system at 20C)

max.system pressure

effective Vol. of exp. Vessel ( 50% 5 %)

pre pressure on the expansion vessel

total volume solar circuit (solar system)

Increase in volume (1 to 2%of VGor at least 1l)

expansion volume due to temperature changestatic system pressure

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