Grundfos ALPHA3 B Series Installation And Operating Instructions Manual
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Grundfos ALPHA3 B Series Installation And Operating Instructions Manual

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GRUNDFOS INSTRUCTIONS
ALPHA3
Model B
Installation and operating instructions

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  • Page 1 GRUNDFOS INSTRUCTIONS ALPHA3 Model B Installation and operating instructions...

  • Page 2: Table Of Contents

    English (GB) Installation and operating instructions 1. General information Original installation and operating instructions These installation and operating instructions describe Grundfos 1.1 Target group ALPHA3 model B. Sections 1-5 give the information necessary to be able to unpack, Read this document and the quick guide before install and start up the product in a safe way.

  • Page 3: Notes

    1.3 Notes 2. Receiving the product The symbols and notes below may appear in Grundfos 2.1 Inspecting the product installation and operating instructions, safety instructions and service instructions. CAUTION Crushing of feet Observe these instructions for explosion-proof Minor or moderate personal injury products.

  • Page 4: Mechanical Installation

    3.1 Mechanical installation 3.2 Pump positions Always install the pump with a horizontal motor shaft within ± 5 °. 3.1.1 Mounting the product • Pump installed correctly in a vertical pipe. See fig. (A). The arrows on the pump housing indicate the flow direction •...

  • Page 5: Insulating The Pump Housing

    3.3.2 Positioning the control box in air-conditioning and CAUTION cold-water systems Hot surface Position the control box with the plug pointing downwards. See Minor or moderate personal injury fig. 4. - Position the pump so that persons cannot accidentally come into contact with hot surfaces. CAUTION Pressurised system Minor or moderate personal injury...

  • Page 6: Electrical Installation

    3.5 Electrical installation Step Action Illustration WARNING Electric shock Death or serious personal injury - Switch off the power supply before starting any Bend the cable work on the product. Make sure that the power with the cable supply cannot be accidentally switched on. conductors pointing upwards.

  • Page 7: Starting Up The Product

    See section 10. Technical data. Venting the pump at the first startup When the pump is connected to Grundfos GO Remote, the app 4.2 First startup takes you through a setup wizard. See section 7.4 Setup wizard.

  • Page 8: Product Introduction

    5.1 Product description These installation and operating instructions cover Grundfos The Grundfos ALPHA3 pump is designed for circulating liquids in ALPHA3 model B. The model type is stated on the packaging and systems with variable flow rates where it is desirable to optimise nameplate.
  • Page 9 Product number Serial number Pump model Country of origin Frequency [Hz] Data matrix code Grundfos address Production code: • 1st and 2nd figures: production site code • 3rd and 4th figures: year • 5th and 6th figures: week Temperature class...

  • Page 10: Accessories

    5.5 Accessories 5.5.1 Unions and valve kits Product numbers, unions Union nut with Union nut with internal Ball valve with internal Ball valve with external Union nut with soldering fitting threads threads compression fitting threads ∅22 ∅28 ∅18 ∅22 ∅28 ∅42 1 1/4 1 1/4...
  • Page 11 The unit uses a CR2032 lithium battery. The unit is together with the Grundfos GO Balance app used for balancing heating system primarily in one- and two-family houses. The app is available for both Android and iOS devices, and you can download it free of charge from Google Play and Fig.

  • Page 12: Control Functions

    6. Control functions 6.1 Operating modes Normal The pump runs according to the selected control mode. Stop The pump stops. ALPHA3 Fig. 18 Operating panel in radiator mode 6.2.2 Underfloor mode If the pump is placed in an underfloor heating system, we recommend that the pump operates in "Underfloor mode".
  • Page 13 The curve's setpoint is user defined in the Grundfos GO Remote continuously selecting either a proportional-pressure curve or app.

  • Page 14: Guide To Control Mode Selection

    7.6 Activating and deactivating "Automatic night setback". The curve's setpoint is user defined in the Grundfos GO Remote app. The speed in % of maximum speed can be chosen Do not use automatic night setback when the pump anywhere between the minimum and maximum constant curve in is installed in the return pipe of the heating system.

  • Page 15: Setting The Product

    7.1 Light fields indicating the pump setting The pump setting is indicated by four light fields in the display. All settings to the pump is made via the Grundfos GO Remote See fig. (3). The settings are configured via the Grundfos GO app, which is available for iOS and Android devices and free of Remote app.

  • Page 16: Grundfos Go Remote Menu Overview

    Hydronic balancing (optional) In this step Grundfos GO Remote opens up the Grundfos GO 4. Grundfos GO Remote shows a list of all the pumps in the Balance app, from which the balancing is done. Bluetooth communication range. The connectivity symbol on...

  • Page 17: Scheduling

    To customise the pump's operating periods, do as follows: Fig. 31 Operating panel when pump is scheduled to start and 1. Connect the pump to Grundfos GO Remote. See section stop 7.2 Connecting the pump to Grundfos GO Remote.

  • Page 18: Hydronic Balancing

    The pump can be reset to its factory settings via the "Settings" heating systems. Balancing is primarily used in one- and menu in Grundfos GO Remote or by using the pump operating two-family houses. panel. The pump is factory set to radiator mode.

  • Page 19: Setting The Operating Mode Using The Operating Panel

    Electric shock conductors one by Death or serious personal injury one by pressing a - A damaged product must be repaired or replaced screwdriver gently by Grundfos or a service workshop authorised by into the terminal Grundfos. clip. WARNING Hot surface...

  • Page 20: Fault Finding The Product

    WARNING 9.3 Alarm and warning code logs Hot surface Grundfos GO Remote will save up to 40 alarms and warnings in Minor or moderate personal injury total in the "Alarms and warnings" menu. - The pump housing may be hot due to the pumped 9.4 Automatic deblocking...

  • Page 21: Fault Finding Tables

    Replace the pump and dispose in Internal fault. (157) an environmentally sound way according to local regulations, or contact Grundfos Service. 9.5.2 Faults with no indication on the pump and Grundfos GO Remote Pump operating status Fault Remedy A fuse in the installation is Replace the fuse.

  • Page 22: Technical Data

    10. Technical data Operating conditions Relative humidity Maximum 95 % RH System pressure Maximum 1.0 MPa (10 bar), 102 m head Liquid temperature Minimum inlet pressure ≤ 75 °C 0.005 MPa (0.05 bar), 0.5 m head Inlet pressure 90 °C 0.028 MPa (0.28 bar), 2.8 m head 110 °C 0.108 MPa (1.08 bar), 10.8 m head...

  • Page 23: Dimensions, Alpha3

    10.1 Dimensions, ALPHA3, XX-40, XX-60, XX-80 Dimensional sketches and table of dimensions. Fig. 37 ALPHA3, XX-40, XX-60, XX-80 Dimensions Pump type ALPHA3 15-40 130 ALPHA3 15-60 130 G 1* ALPHA3 15-80 130 ALPHA3 25-40 130 G 1 1/2 ALPHA3 25-60 130 G 1 1/2 ALPHA3 25-80 130 G 1 1/2...

  • Page 24: Performance Curves

    11. Performance curves Proportional pressure 11.1 Guide to performance curves Operating range Each control mode has a performance range (Q, H) within which a performance curve is selected. Control modes with AUTO ADAPT automatically select a performance curve within the performance Default curve range.
  • Page 25 11.3 ALPHA3, XX-40 [kPa] Operating range 100 % 93 % Automatic night setback 83 % Default curve (factory setting) 72 % 60 % Example of constant curve with corresponding setpoint. 44 % Q [m³/h] Q [l/s] Q [m³/h] [kPa] [kPa] 2.4 m 2.1 m 1.6 m...
  • Page 26 11.4 ALPHA3, XX-60 [kPa] Operating range 100 % 88 % Automatic night setback 77 % Default curve (factory setting) 64 % Example of constant curve with corresponding 47 % setpoint. 36 % Q [m³/h] 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 Q [l/s] Q [m³/h] 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2...

  • Page 27: Disposing Of The Product

    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. The crossed-out wheelie bin symbol on a product means that it must be disposed of separately from household waste.
  • Page 29 GRUNDFOS Pumps (Hong Kong) Ltd. Turkey Norway BOMBAS GRUNDFOS DO BRASIL Unit 1, Ground floor GRUNDFOS POMPA San. ve Tic. Ltd. Sti. Av. Humberto de Alencar Castelo Branco, Siu Wai Industrial Centre GRUNDFOS Pumper A/S Gebze Organize Sanayi Bölgesi 29-33 Wing Hong Street &...
  • Page 30 99392378 0719 ECM: 1264869 www.grundfos.com...

This manual is also suitable for:

Alpha3 b 15-40 130Alpha3 b 15-60 130Alpha3 b 15-80 130Alpha3 b 25-40 130Alpha3 b 25-60 130Alpha3 b 25-80 130 ... Show all

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