Riello Array AR 800 - APPENDIX D - HEAD AVAILABLE FOR THE SYSTEM

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APPENDIX
APPENDIX
APPENDIX D - HEAD AVAILABLE FOR THE SYSTEM
HEAD AVAILABLE (NO GLYCOL)
Array ∆T = 36°F ∆T = 45°F
AR 800 16,0 ft 20,0 ft
HEAD AVAILABLE (50% MAXIMUM GLYCOL)
Array ∆T = 36°F ∆T = 45°F
AR 800 14,4 ft 18,0 ft
Array
Model
Boiler
Quantity
Combined
Max GPM
Common
Pipe Size
(Inch)
Max
Equivalent
Length of
Pipe (ft)
AR 800
1 40 3 2000
2 80 3 600
3 100 3 250
4 160 4 700
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.