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Central heating pump GRUNDFOS ALPHA1 L 25-40 180

Central heating pump GRUNDFOS ALPHA1 L 25-40 180 View larger
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04969

Manufacturer: GRUNDFOS
GRUNDFOS

572,00 PLN tax incl.

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The ALPHA1 L 25-40 180 pump

The model C pump, designed from scratch, can be operated and installed in all types of heating installations, where the flow rate is constant or variable. The pump has an electronically commutated ECM motor that has very high efficiency. This allows the pump to automatic adjustment of operating parameters to the installation in which it will be mounted. The pump can operate at different speeds when it is controlled by a low voltage PWM signal (modulated pulse width).

Technical Data
Power supply voltage1 x 230 50/60 Hz PE
Motor protectionThe pump does not require external motor protection
Level of securitysIPX4D
Relative air humiditymax 95 %
Insulation classF
EEI<0,20
Obmiarowanie pompy obiegowej ALPHA1
Pump typeL1L3L4B1B2H1H2H3GWeight nettoWeight brutto
ALPHA1 L 25-40 18018088,371,646,346,425,3102,1127,41 1/2"1,92,1

Benefits

  • Three fixed control characteristics / constant speeds
  • Regulation mode for installations with radiator heating
  • Regulation mode for installations with underfloor heating
  • Controlled PWM input signal - profile A. It is a digital voltage signal
  • Low Energy Efficiency Index (EEI)
  • Screw for unblocking pump shaft
  • No maintenance required
  • Quiet
  • Easy to assemble
Grundfos ALPHA1 L 25-40 180

Data sheet

Weight [ kg ]2.1
Height [ mm ]180
Width [ mm ]93
Depth [ mm ]127.400
Thread typeExternal thread (GZ)
Outlet and inlet supply size [ inch ]6⁄4''
InstallationHorizantal, Vertical, Internal
Max. working temperature [ 掳C ]95
Min. working temperature [ 掳C ]2
Max. operating pressure [ bar ]10
Mains voltage [ V ]230

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