Appendix G - Head Available For The System - Riello Array AR 3000 Installation And Operation Manual

APPENDIX G - HEAD AVAILABLE FOR THE SYSTEM

HEAD AVAILABLE (NO GLYCOL)
Array ∆T = 36°F
AR 3000 2ft
AR 4000 2ft
HEAD AVAILABLE (65% GLYCOL)
∆T = 36°F
Array
AR 3000 0ft
AR 4000 0ft
Array Boiler Combined
Model Quantity Max GPM
1 150
2 300
AR 3000
3 450
4 600
1 400
2 800
AR 4000
3 1200
4 1600
Notes:
Max equivalent length of pipes must account for all pipes, valves,
fittings and a recommended strainer at boiler inlet.
Multiple boilers to be piped in reverse return layout.
∆T = 45°F
12ft
12ft
∆T = 45°F
9,5ft
9,5ft
Common Max Equiva-
Pipe Size lent Length
(Inch) of Pipe (ft)
4 150
6 300
6 150
8 330
6 180
8 180
10 265
10 160
41 41 41
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