Submittal Sheet

7 As at: 03/2008 - Subject to change without prior notice
Standard Circulating Pumps
Product review: Wilo-Star/Star S
Equipment/function & technical data Wilo-Star (bronze body)
Wilo-Star...
(bronze body)
3 BS 5 BU 5 BFX 8 BS 11 BU 16 BFX 21 BFX 30 BU 32 BF
Approved fluids
(other fluids on request)
Heating water •••••••••
Water/glycol mixtures
(max. 1:1; mixtures with more than
20 % glycol require reassessment
of the hydraulic criteria)
•••••••••
Domestic hot water •••••••••
Performance
Max. delivery head [ft] 3.5 6.5 6.5 9 11.5 16 21 30 33
Max. delivery head [m] 1.1 2.0 2.0 2.7 3.5 4.9 6.4 9.1 10.1
Max. volume rate of flow [USGPM] 5.5 12 12 9 19.5 16.5 19 26 10.5
Max. volume rate of flow [m
3
/h] 1.2 2.7 2.7 2.0 4.4 3.7 4.3 5.9 2.4
Acceptable field of application
Temperature range for
application in heating and cooling
installations
14 °F (-10 °C)
up to
230 °F (+110 °C)
Temperature range in
domestic hot water system
< 140 °F (+60 °C)
Ambient temperature range 104 °F (+40 °C)
Max. working pressure p
max
[psi] 140 140 140 140 140 140 140 140 140
Pipe connections
Flange ––––––––•
Flange rotated 90° – – • ––••––
Union connection – • ––• ––• –
Internal sweat • ––• –––––
Electrical connections
Power supply 1~ [V] 115 115 115 115 115 115 115 115 115
Power frequency [Hz] 60 60 60 60 60 60 60 60 60
Quick connection with spring clips •••••••••
Motor/Electronics
Number of speed steps 111111111
Impedance protected motor
(motor protection not required)
•••••••••
Cable entry on both sides of
terminal box
•••••••••
Protection class FFFFFFFFF
• = available, – = not available