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FI.S166.EN.C - 10/2022
ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166
INSTALLATION AND OPERATION INSTRUCTIONS
These instructions include information necessary to assemble and use the product correctly. Besides respecting the
general safety regulations, it is necessary to observe all points specifically and specially marked.
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Icma SpA - Via Garavaglia, 4 - 20012 Cuggiono (MI) ITALY Tel: +39 02 97249134 - +39 02 97249135 - www.icmaspa.it - sales@icmaspa.it
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Table of Contents
Summary of Contents for ICM Controls S166
- Page 1 FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 INSTALLATION AND OPERATION INSTRUCTIONS These instructions include information necessary to assemble and use the product correctly. Besides respecting the general safety regulations, it is necessary to observe all points specifically and specially marked.
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Page 2: Table Of Contents
FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 INDEX 1. INDICATION OF INSTRUCTIONS............................3 2. IMPORTANT SAFETY AND INSTALLATION INSTRUCTIONS..................4 3. FIELD OF APPLICATION................................6 3.1 Types of system..................................6 3.2 Pumped liquids..................................6 4. INSTALLATION AT SITE................................8 4.1 Installation....................................8 4.2 Permissible installation positions..........................9... -
Page 3: Indication Of Instructions
FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 1. INDICATION OF INSTRUCTIONS This manual contains information and prescriptions marked by the following symbols CAUTION This instruction sheet contains following warning symbols. The circulators are not to be used to transfer flammable liquids such as gasoline, oils, gas oil or similar liquids. -
Page 4: Important Safety And Installation Instructions
FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 2. IMPORTANT SAFETY AND INSTALLATION INSTRUCTIONS Prior to installation, read these installation and operating instructions. The installation and operation should also be in accordance with national regulations and accepted codes of good practice. - Page 5 FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 5. Improper use This is a circulator to be used in heating plants and for the circulation of clean water without abrasive particles. This is not a submersible pump. Do not use this circula- tor: •...
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Page 6: Field Of Application
FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 10. Any modification to the equipment must be prior agreed upon with and authorized by the manufacturer. Original spare parts and accessories authorized by the manufacturer are integral part contributing to the safety of the equipment and of the machines. - Page 7 FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 To avoid condensation in the motor and the electronics the temperature of the pumped liquid must always be greater than the ambient temperature. Ambient temperature Liquid temperature [°C] Min.
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Page 8: Installation At Site
FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 4. INSTALLATION AT SITE Installation and service by qualified personnel only! 4.1 Installation The circulator must be mounted in a stable/fixed position in a dry, well ventilated, frost-free, waterproof and protected place, with sufficient ventilation around it. -
Page 9: Permissible Installation Positions
FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 4.2 Permissible installation positions Install the circulator with horizontal motor shaft axis (Fig. 4.2). Fig. 4.2 4.3 Motor housing positions Fig. 4.3 Pay utmost care to prevent people from getting in contact with the hot surfaces of the circulator. -
Page 10: Electric Connection
FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 5. ELECTRIC CONNECTION The electric connection has to be performed by a qualified electrician in compliance with the national regulations. Follow the safety regulations and installation regulations of your country. -
Page 11: Commissioning
FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 For cables with outer diameter of the sheath between 7 mm and 8.5 mm: remove the rubber retainer from the cable gland. In this case, the circulator can only be installed with the cable gland down. -
Page 12: Operating Elements
FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 6.2 Operating elements SelectorLED light Fig. 6.1 Selector and LED light 6.3 Mode of operation COLOR DESCRIPTION P mode (Δp-v) – Proportional differential pressure min-max mode – Fixed speed Automatic detection of the presence of air - Vent system. -
Page 13: Automatic Detection Of The Presence Of Air - Vent System
FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 6.4 Automatic detection of the presence of air - Vent system 10 min Fig. 6.2 Filling and venting of heating systems Par.7 Circulator setting CAUTION The plant cannot be drained by using the circulator. -
Page 14: Circulator Setting
FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 7. CIRCULATOR SETTING SELECTOR Proportional curve P min-max * Factory setting 8. PERFORMANCE CURVES Q [US.gpm] Q [IMS.gpm] H [m] H [ft] min - max Q [m Q [l/s]... -
Page 15: Maintenance
FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 9. MAINTENANCE The circulator does not require any special maintenance during operation. Motor bearings are lubricated by the pumped liquid. Before each maintenance intervention, disconnect power supply and wait for the circulator to cool. -
Page 16: Unlocking Procedure
FI.S166.EN.C - 10/2022 ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166 10.2 Unlocking procedure A red light in the LED indicates a locking. Turn the selector to the position max, disconnect and connect power supply to start the automatic release process.