Wilo Stratos User Manual

Installation and operating instructions Wilo-Stratos/-D/-Z 7
English
The high-efficiency pumps of the Wilo-Stratos-Z series are also suitable for use
in
• Domestic hot and cold potable water applications
5 Product details
5.1 Type key
CAUTION! Possible damage of the pump!
Unacceptable fluids may destroy the pump.
Observe the specifications of the manufacturer regarding the mixing ratios.
Add additives to the fluid on the pressure side of the pump.
Example: Stratos-D 2x3-40
Stratos High-efficiency pump
Wet-rotor circulating pump
D = single-head pump (no letter)
-D = twin-head pump
-Z = single-head pump for secondary hot water circulation systems
2 Pipe connection [inch]
3-40 Infinitely variable nominal pump head 3 to 40 [ft]
H
min
: 3.3 ft, H
max
: 39.4 ft
5.2 Technical Data
Power supply 1~230 V ± 10%
Frequency 60 Hz
Degree of protection
Enclosure 2
Insulation class H
Motor protection
Standard built-in full motor protection
Maximum sound pressure level
54 dB(A)
Liquid temperature Heating, ventilation, air-conditioning applications:
14°F (-10°C) to 230°F (+110°C)
Secondary hot water circulation applications:
up to 3.57 mmol/l: 32°F(0°C) to 176°F(+80°C )
Max. ambient temperature 104°F (40°C)
Max. rel. humidity
≤ 95%
Max. working pressure at the pump
145 psi
Residual current
∆I ≤ 3.5 mA (see also Chap. 7.2)

Wilo Stratos Specifications

General

Shaft Material	Stainless steel
Application	Heating
Power Supply	1~230 V, 50/60 Hz
Motor Efficiency	High efficiency
Control	Electronic speed control, differential pressure control
Operating Mode	constant speed (n-constant)
Motor Protection	Thermal overload protection
Pump Housing Material	Cast iron or stainless steel
Impeller Material	composite material
Bearing Material	Ceramic
Fluid Temperature	-10 °C to +110 °C (depending on model)
Maximum Operating Pressure	10 bar
EEI	≤ 0.20
Material	Cast iron, stainless steel, composite materials
Energy Efficiency Class	Not applicable (EEI rating is used instead)