Grundfos ALPHA Installation And Operating Instructions Manual
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Grundfos ALPHA Installation And Operating Instructions Manual

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GRUNDFOS INSTRUCTIONS
Grundfos ALPHA
Installation and operating instructions

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Summary of Contents for Grundfos ALPHA

  • Page 1 GRUNDFOS INSTRUCTIONS Grundfos ALPHA Installation and operating instructions...
  • Page 2 36 months from date of manufacture. Grundfos' liability under this warranty shall be limited to repairing or replacing at Grundfos' option, without charge, F.O.B.
  • Page 3 Grundfos ALPHA Installation and operating instructions Notice d’installation et d’entretien Instrucciones de instalación y funcionamiento...

  • Page 4: Table Of Contents

    1. General Grundfos Alpha is suitable for systems with constant or variable flows where it is desirable to optimize the setting of the pump duty point . 2. Shipment inspection Fig.

  • Page 5: Changing The Control Box Position

    National Electric Code and state, local codes and Type 2. regulations. • The motor of Grundfos Alpha is protected by the electronics in the control box and requires no external motor protection. • Check that the supply voltage and frequency correspond to the values stated on the pump.

  • Page 6: Name Plate

    7. Name Plate 8. Control Display Fig. 5 Nameplate Pos. Description Fig. 6 Control display Product Number Production Code: Pos. Description • 1st and 2nd figures = year • 3rd and 4th figures = week LED showing Watt or flow indicator Voltage (V): LED indicating fixed speed Rated current (A):...

  • Page 7: Performance & Operation Modes

    9. Performance* and operation mode selection *Hydraulic performance without check valve Pos. Description • Push-button for selection of pump setting • Every time the push-button is pressed, the circulator setting is changed High Fixed Speed • Runs at a constant speed and consequently on a constant curve. In Speed III, the pump is set on the maximum curve under all operating conditions.

  • Page 8: Fault Finding

    10. Fault finding Warning Before starting any work on this circulator, make sure electrical supply has been switched off and that it cannot be accidentally switched on. Pump liquid may be scalding hot and under high pressure . Fault Control panel Remedy 1.

  • Page 9: Technical Data

    12. Technical data In domestic hot-water system, it is Supply voltage: recommended to keep the liquid temperature below +149 °F (+65 °C) to 1x115V +/-10 %, 60Hz. eliminate the risk of lime precipitation. Caution Motor protection: Maximum glycol concentrations: The pump requires no external motor protection. 50 % glycol @ 36 °F (2 °C).
  • Page 10 12.1 Approvals: FCC Sections: Section 15.19 (a) 3: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 11 U.S.A. Canada México GRUNDFOS Pumps Corporation GRUNDFOS Canada Inc. Bombas GRUNDFOS de México 17100 West 118th Terrace 2941 Brighton Road S.A. de C.V. Olathe, Kansas 66061 Oakville, Ontario Boulevard TLC No. 15 Phone: +1-913-227-3400 L6H 6C9 Parque Industrial Stiva Telefax: +1-913-227-3500...
  • Page 12 Being responsible is our foundation Thinking ahead makes it possible Innovation is the essence L-AL-TL-001 New 0309 www.grundfos.com...

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