Wilo Stratos User Manual

Installation and operating instructions Wilo-Stratos/-D/-Z 3
English
1 General
About this document
These Installation and Operating Instructions form an integral part of the
product. They must be kept close to the product and in readiness whenever
required. Precise observance of these instructions is a pre-condition for use of
the product for the intended purpose and for its correct operation.
These Installation and Operating Instructions conform to the relevant version of
the equipment and the underlying safety standards valid at the time of going to
press.
2Safety
These instructions contain important information which must be followed when
installing and operating the pump. It is therefore imperative that they be read
by both the installer and the operator before the circulator is installed or started
up.
Both the general safety instructions in the ‘Safety precautions’ section and
those in subsequent sections indicated by danger symbols should be carefully
observed.
2.1 Symbols and signal words used in these operating instructions
Symbols:
NOTE:
General Safety symbol
Hazards from electrical causes

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)