Install Instructions

5 Technical data
5.1 Type key
5.2 Data table
5.3 Scope of supply
x
Complete pump
x
Installation and operating instructions
x
2 flange gaskets (only for 1.25, 1.5 and 2 inch flange pumps)
5.4 Accessories
Accessories such as companion flanges must be ordered separately.
x
Companion flanges (included bolts, nuts and seals).
ENGLISH
5
Voltages 1
~
115 V , 1
~
230 V , 3
~
208-230 V , 3
~
460 V ,
3
~
575 V (see rating plate)
Frequency 60 Hz
Power consumption See rating plate
Speed setting 2-speed
Liquid temperatures for TOP-S closed system: 14°F (-10 °C) up to 248°F (120°C)
open system: < 140°F (60°C) Max. ambient temperature 104°F (40°C)
Liquid temperatures for TOP-Z closed system: 14°F (-10 °C) up to 176°F (80°C)
open system: < 140°F (60°C)
Domestic hot water system: 32°F (0 °C) up to 176°F (80°C)
Max. permitted degree of hardness in domestic
hot water circulation systems: 18,8 gr/gal (US)
Max. ambient temperature 104°F (40°C)
Max. working pressure 145 psi
Protection class Enclosure 2
Min. pump inlet pressure [psi] at suction side during operation by Wilo-TOP-S model
At these liquid temps nominal flange diameter [inch]
1.25 1.5 2 3
140°F (60°C) 1.8 (psi) 6.3 (psi)
194°F (90°C) 7.3 (psi) 15.4 (psi)
248°F (120°C) 29.9 (psi) 38.9 (psi)
Min. pump inlet pressure [psi] at suction side during operation by Wilo-TOP-Z model
At these liquid temps nominal flange diameter [inch]
1.5 2 3
104°F (40°C) 7.1 (psi) 11.4 (psi)
176°F (80°C) 11.4 (psi) 14.2 (psi)
Example: TOP- S 2x25 ()
Circulator pump
S= Standard Type
Z = Drinking water circulating pump
Pipe connection [inch]
Maximum head [ft]
Pump housing
= Cast iron (no letter = cast iron, only for TOP-S)
B= Bronze (only for TOP-S)
TOP-Z = Bronze as standard
01-12.qxd:2058935_NAMEX_USA_1b12.qxd 06.03.2008 9:20 Uhr Seite 5