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

APPENDIX D - HEAD AVAILABLE FOR THE SYSTEM

HEAD AVAILABLE (NO GLYCOL)
Array
AR 3000
AR 4000
HEAD AVAILABLE (50% MAXIMUM GLYCOL)
Array
AR 3000
AR 4000
Array Boiler Combined
Model Quantity Max GPM
1 150
2 300
AR 3000
3 450
4 600
1 200
2 400
AR 4000
3 600
4 800
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 = 36°F ∆T = 45°F
9 ft 21 ft
9 ft 21 ft
∆T = 36°F ∆T = 45°F
7ft 16.5ft
7ft 16.5ft
Max
Common
Equivalent
Pipe Size
Length of
(Inch)
Pipe (ft)
4
6
6
8
6
8
10
10
150
300
150
330
180
180
265
160
43 43
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