Riello Array AR 1500 - Page 40

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APPENDIX
APPENDIX
APPENDIX G - HEAD AVAILABLE FOR THE SYSTEM
HEAD AVAILABLE (NO GLYCOL)
Array ∆T = 36°F ∆T = 45°F
AR 1000 7,5ft 15,5ft
AR 1500 7,5ft 15,5ft
AR 2000 7,5ft 15,5ft
HEAD AVAILABLE (65% GLYCOL)
Array ∆T = 36°F ∆T = 45°F
AR 1000 7,5ft 15,5ft
AR 1500 7,5ft 15,5ft
AR 2000 7,5ft 15,5ft
Array
Model
Boiler
Quantity
Combined
Max GPM
Common
Pipe Size
(Inch)
Max Equiva-
lent Length
of Pipe (ft)
AR 1000
1 50 3 1200
2 100 3 350
3 150 3 160
4 200 4 350
AR 1500
1 75 3 570
2 150 3 160
3 225 4 300
4 300 6 1200
AR 2000
1 200 4 350
2 400 6 725
3 600 6 300
4 800 8 800
Notes:
Max equivalent length of pipes must account for all pipes, valves,
ttings and a recommended strainer at boiler inlet.
Multiple boilers to be piped in reverse return layout.