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Armstrong Compass - Model H -Design Envelope Residential Pumps
The Armstrong Compass H is an energy-efficient variable speed wet-rotor circulator. Designed to replace existing fixed speed circulators, with popular flange-to-flange dimensions, Compass H can be considered a universal replacement for all circulators in its capacity range.
- Applications: Residential heating and cooling; potable water supply
- Materials: Cast iron and stainless steel volutes.
- Configuration: Eight operation modes with patented “Auto” algorithm, four Sensorless modes and three fixed speed modes. 50 Hz and 60 Hz designs
- Performance range: Up to 20 USgpm (1.26 L/s) flow; up to 20 ft (6.1 m) head
- Temperature: Max ambient temp. 40°C; max water temp. 110°C
- Power Range: 5 W to 45 W
- Size: 1"
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
Lowest operating cost
Easy and quick setup of energy-saving features: eight operation modes with patented “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
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