Table of Contents
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Table of Contents
Related Manuals for Grundfos ALPHA+ Series
Summary of Contents for Grundfos ALPHA+ Series
- Page 1 GRUNDFOS INSTRUCTIONS GRUNDFOS ALPHA+ Installation and operating instructions...
- Page 3 GRUNDFOS ALPHA+ Installation and operating instructions Montage- und Betriebsanleitung Notice d’installation et d’entretien Istruzioni di installazione e funzionamento Instrucciones de instalación y funcionamiento 46 Instruções de instalação e funcionamento Οδηγίες εγκατάστασης και λειτουργίας Installatie- en bedieningsinstructies Monterings- och driftsinstruktion Asennus- ja käyttöohjeet Monterings- og driftsinstruktion Instrukcja montażu i eksploatacji...
- Page 4 Declaration of Conformity We Grundfos declare under our sole responsibility that the prod- uct GRUNDFOS ALPHA+, to which this declaration relates, is in conformity with the Council Directives on the approximation of the laws of the EC Member States relating to –...
- Page 5 German standard VDI 2035. In domestic hot-water systems, it is advisable to use GRUNDFOS ALPHA+ pumps only for water with a degree of hardness lower than approx. 14°dH. For water with a higher degree of hardness a direct-coupled TPE pump is recommended.
- Page 6 3.5 Air separator pump GRUNDFOS ALPHA+ pumps type A must be fitted with an automatic air vent. This must be fitted to the pump housing before priming.
- Page 7 The earth terminal of the pump must be connected to earth. The pump must be connected to an external mains switch with a minimum contact gap of 3 mm in all poles. • The pump requires no external motor protec- tion.
- Page 8 6. Setting the pump The selector switch on the pump terminal box has been factory-set to the middle position. This setting is suitable for 80-90% of all single- family houses. The selector switch for normal and night-time duty has been factory-set to "normal duty". If night-time duty is desired, see section 6.3 Auto- matic night-time duty.
- Page 9 6.2 Change of head setting Change the pump head by turning the selector switch on the terminal box as indicated in the table below: Setting Result System Pump perform- Factory ance according Variable-load heating setting to the heating system with normal demand resistance, with or (in 80-90% of all...
- Page 10 6.3 Automatic night-time duty Pumps incorporated in gas boilers with small water content must never be set to automatic night-time duty. To ensure correct function of the automatic night-time duty, these conditions must be ful- filled: • The pump must be installed in the flow pipe. •...
- Page 11 Note: The night-time duty function is deacti- vated if the selector switch has been set to speed I, II or III. 6.4 Pump control During operation, the pump head will be changed according to the principle "propor- tional-pressure control". In this control mode, the pump performance, and consequently the power consumption, is adjusted to the actual water requirement.
- Page 12 This product or parts of it must be disposed of in an environmentally sound way: 1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. Subject to alterations.
- Page 18 Rp 3/8 Dimensions Pump versions ALPHA+ 25-40 A 1½ ALPHA+ 25-60 A 1½ Dimensions Pump versions ALPHA+ 15-40 ALPHA+ 25-40 1½ ALPHA+ 25-40 (B) 180 1½ ALPHA+ 32-40 ALPHA+ 15-60 ALPHA+ 25-60 1½ ALPHA+ 25-60 (B) 180 1½ ALPHA+ 32-60 * For UK 1½...
- Page 22 Telefax: +86-512-67 61 81 67 Phone: +36-23 511 110 Telefax: +54-3327 411 111 Telefax: +36-23 511 111 Croatia GRUNDFOS predstavništvo Australia India GRUNDFOS Pumps Pty. Ltd. Zagreb GRUNDFOS Pumps India Pri- P.O. Box 2040 Cebini 37, Buzin vate Limited Regency Park HR-10000 Zagreb...
- Page 23 Tlf.: +47-22 90 47 00 Telefax: +46-31 331 94 60 Telefax: +47-22 32 21 50 Switzerland Poland GRUNDFOS Pumpen AG GRUNDFOS Pompy Sp. z o.o. Bruggacherstrasse 10 ul. Klonowa 23 CH-8117 Fällanden/ZH Baranowo k. Poznania Tel.: +41-1-806 8111 PL-62-081 Przeźmierowo...
- Page 24 Being responsible is our foundation Thinking ahead makes it possible Innovation is the essence 96494447 0506 0805 Repl. 96494447...
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