English
WARNING! Health hazard!
The materials of the TOP-S circulators are not designed for drinking water
supply.
The pumps in the TOP-S range must not be used for drinking water.
Permissible liquids and requirements:
• Heating water according the requirements of accepted standards of water
quality in heating systems.
• Water and water/glycol mixtures in a maximum ratio up to 1:1. High glycol
concentration and low temperature systems may require a reassessment of the
hydraulic data to compensate for the increased viscosity (please contact your
Wilo representatives for more information). Use of additives (corrosion
inhibitors, oxygen scavengers etc.) must be in compliance with the
manufacturer instructions.
• If other fluids or additives are used, please contact Wilo for proper authorization.
5 Technical data
5.1 Type key
Example: TOP-S 2x25
TOP
S
2
25
5.2
Data table
Voltages (see rating plate)
Frequency
Power consumption
Speed setting
Liquid temperature
Max. ambient temperature
Max. working pressure
Protection class
Min. pump inlet pressure [psi] at the suction side during operation:
At these liquid temps
140°F (60°C)
194°F (90°C)
248°F (120°C)
6
Circulator pump
-S = Standard Type
Pipe connection [inch]
Maximum head [ft]
1~115 V, 1~230 V , 3~208-230 V, 3~460 V, 3~575 V
60 Hz
See rating plate
2-speed
14°F (-10 °C) up to 248°F (120°C)
104°F (40°C)
145 psi
Enclosure 2
nominal flange diameter [inch]
1.25
Subject to technical alterations!
1.5
1.8 (psi)
7.3 (psi)
29.9 (psi)
2
3
6.3 (psi)
15.4 (psi)
38.9 (psi)
WILO SE 02/2016