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Stratos
In line, flanged wet rotor circulator with EC
motor and automatic capacity adjustment.
Hot-water heating systems, air conditioning,
closed cooling circuits, industrial circulation
systems
Description/Design
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Wet rotor circulator with EC motor and integrated
automatic capacity adjustment
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Red button technology for very easy operation
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Graphic pump display with rotatable display
adjustable from US units(default) to metric
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Pump communication with IF (interface) module that
can be easily retrofitted: ideal external operation
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Motor protection with electronic overload protection
(min/max voltage, max temp, dry run, overload)
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Interface connection for extending built in
functions, for building automation (BA) systems and
external control
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Impeller with three-dimensional curved blades and
rotor can using carbon fibre compound material
Special Features / Product Advantages
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Energy efficiency class A
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Up to 80% power saving compared with constant speed
circulating pumps
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Maximum efficiency thanks to ECM technology
Technical Data
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Permitted temperature range +14 °F to +230 °F (-10
°C to +110 °C)
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Power supply 1~230 V, 60 Hz
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Enclosure type 2
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Flange sizes from 1 ¼" to 3"
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Maximum operating pressure: 145 PSI (10 bar) –
minimum operating supply: see detailed technical
documentation
Equipment
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Pre-selectable control modes Δp-c, Δp-v, Δp-T for
optimum load adjustment
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Pre-selectable speed for constant operation
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Automatic setback operation for additional energy
savings ("Autopilot")
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Dual pump operation (master/slave, parallel and
stand-by operation)
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Programming via manual "red button" or Wilo IR
(infra-red) module/monitor
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Infra-red interface for wireless data exchange with
IR-Module/IR-Monitor
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BMS interfaces with optional IF (interface) module (LONworks
and 0-10 Vdc)
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Pump communication with IF (interface) module that
can be easily retrofitted: ideal external operation
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Fault lamp and contact for collective fault signal
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Pump flanges - 2 bolt oval 1 ¼" and 1 ½" – 4 bolt 2"
pump flange – 4 bolt 3" 125 # raised face ANSI
Materials
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Pump housing: cataphoretic coated cast iron
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Shaft: stainless steel
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Bearings: metal-impregnated carbon
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Impeller: engineered composite PPS or PP
Scope of Delivery
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