Design Envelope Compass Circulators

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Design Envelope Compass Circulators

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Design Envelope Compass Isometric
Design Envelope Compass SS Isometric
Design Envelope Compass Front

  • Summary
  • ApplicationsResidential heating and cooling; potable water supply
  • DescriptionThe Armstrong Compass is an energy-efficient variable speed wet-rotor circulator. Designed to replace existing fixed speed circulators, with popular flange-to-flange dimensions, Compass can be considered a universal replacement for all circulators in its capacity range.
  • MaterialsCast iron and stainless steel volutes.
  • Configuration

    Eight operation modes with “Auto” algorithm, four Sensorless modes and three fixed speed modes. 50 Hz and 60 Hz designs

  • Performance RangeUp to 4.54 m3/h (20 USgpm) flow; up to 6.1 m (20 ft) head
  • TemperatureMax ambient temp. 40°C; max fluid temp. 110°C
  • Power5 W to 45 W
  • Size1”

Lowest installed cost

  • Wide performance range (max head 20 ft (6.1m); max flow 20 USgpm (4.54 m3/h))

  • Large wiring chamber and front-mounted terminal block for much easier and faster installation compared to any other circulator currently available
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Lowest installed cost. Lowest operating cost.

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Lowest operating cost

  • Easy and quick setup of energy-saving features: eight operation modes with “Auto” algorithm, 2 Sensorless modes, 2 constant pressure modes and 3 fixed speed modes
  • Design Envelope Intelligent Variable Speed technology, combined with ECM motors, saves 50% or more in operating cost over fixed speed circulators
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Lowest environmental cost

  • Design Envelope Intelligent Variable Speed technology, combined with ECM motors, saves 50% or more in electrical energy and related carbon emissions over fixed speed circulators
Sustainability

Sustainability

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Installation & Operating Instructions

(PDF)