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ELECTRONIC CIRCULATOR FOR SOLAR THERMAL SYSTEMS - Art. S166

FI.S166.EN.C - 10/2022

Icma SpA - Via Garavaglia, 4 - 20012 Cuggiono (MI) ITALY Tel: +39 02 97249134 - +39 02 97249135 - www.icmaspa.it - [email protected]

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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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Содержание S166

Страница 1: ...TALY Tel 39 02 97249134 39 02 97249135 www icmaspa it sales icmaspa it 1 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 ...

Страница 2: ...ION 6 3 1Typesofsystem 6 3 2 Pumped liquids 6 4 INSTALLATION AT SITE 8 4 1 Installation 8 4 2 Permissible installation positions 9 4 3 Motor housing positions 9 5 ELECTRIC CONNECTION 10 6 COMMISSIONING 11 6 1 Start up of the circulator 11 6 2 Operating elements 12 6 3 Mode of operation 12 6 4 Automatic detection of the presence of air Vent system 13 7 CIRCULATOR SETTING 14 8 PERFORMANCE CURVES 14 ...

Страница 3: ...tains following warning symbols The circulators are not to be used to transfer flammable liquids such as gasoline oils gas oil or similar liquids The circulators are not to be used to transfer aggressive liquids such as acids and sea water CAUTION The removal of the screws can cause the output of hot fluids under high pressure from heating system Drain the system or close the isolating valves CAUT...

Страница 4: ...s should be observed including the following 1 Read and follow all safety instructions and all the important notices on the appliance before installing using and maintaining the circulator failure to do so may cause personal injury or damage to the circulator or installation 2 Always disconnect electrical supply before putting on or taking off parts and whilst the equipment is being installed main...

Страница 5: ...in an accessible place for future checks and disassem bly procedures Foresee enough space for inspections and disassembling To avoid circulator overheating do not place any object on the circulator itself 7 Electric connection IMPORTANT Connection to the power supply must be effected by means of a fixed power cable which is fitted with a plug type connection or an all pole isolating switch with a ...

Страница 6: ...es Non observance of the safety instructions results in the loss of any claims to damages The indicated limit values are binding and cannot be exceeded for any reason whatsoever 3 FIELD OF APPLICATION 3 2 Pumped liquids 3 1 Types of system Circulation of water liquids in hot water heating systems and in renewable energy solar thermal systems Solar thermal systems One pipe systems Two pipe systems ...

Страница 7: ...vaglia 4 20012 Cuggiono MI ITALY Tel 39 02 97249134 39 02 97249135 www icmaspa it sales icmaspa it 7 Ambient temperature Liquid temperature C Min C Max C To avoid condensation in the motor and the electronics the temperature of the pumped liquid must always be greater than the ambient temperature ...

Страница 8: ...ing works on the hosing Before installing the circulator make sure that the internal part of the tubes is clean Install the circulator in an accessible place for future checks and disassembly procedures Foresee enough space for inspections and disassembling Foresee isolating valves at intake and output before and after the circulator to allow the disassembly without emptying the plant The assembly...

Страница 9: ...in contact with the hot surfaces of the circulator Drain the system or close the isolating valves on either side of the pump before the screws are removed The pumped liquid may be scalding hot and under high pressure Procedure Fig 4 4 1 Slacken and remove the four screws M5 holding the motor 2 Turn the motor to the desired position without extracting it from the pump housing 3 Insert and tighten t...

Страница 10: ...s with the rating data All electric information concerning the A1 G413 is on the signaling plate The connection cord must be laid in such a way as it cannot come in contact with the hosing or the motor body In case of use of the circulator with fluids at a temperature higher than 70 C use a connection cord resistant to high temperatures 5 ELECTRIC CONNECTION Fig 5 1 1 Connect the power supply cond...

Страница 11: ... deactivations through the mains voltage 20 24 h 6 COMMISSIONING 6 1 Start up of the circulator Absolutely avoid dry operation Start the circulator only after having completely filled the plant Circulators with permanent magnets can not be driven in speed by means of phase control of the supply voltage Circulators driven by an electronic frequency converter have a current peak at each activation i...

Страница 12: ...135 www icmaspa it sales icmaspa it 12 SelectorLED light 6 2 Operating elements 6 3 Mode of operation Fig 6 1 Selector and LED light LED COLOR DESCRIPTION P mode Δp v Proportional differential pressure min max mode Fixed speed Automatic detection of the presence of air Vent system Proceed with the vent routine Fault or malfunction Faults causes and remedies ...

Страница 13: ... of air Vent system 1a 1b 2 3 10 min Fig 6 2 Filling and venting of heating systems Par 7 Circulator setting With solar thermal systems fill the system with mixtures prepared for that application The circulator cannot be used to mix the fluids in the system The plant cannot be drained by using the circulator Do not touch the fluid or the circulator when the temperature is greater than 60 C Hazard ...

Страница 14: ...02 97249134 39 02 97249135 www icmaspa it sales icmaspa it 14 LED SELECTOR Factory setting min max Proportional curve P min max P P 0 10 5 0 15 Q US gpm Q m3 h Q l s 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 0 0 0 0 0 2 H m Q IMS gpm 10 5 6 7 5 4 3 2 1 0 H ft 20 15 10 5 0 0 4 0 6 0 8 1 0 min max max min 7 CIRCULATOR SETTING 8 PERFORMANCE CURVES ...

Страница 15: ...EMEDIES The circulator is noisy Loud noises of water circulation 6 4 Automatic detection of the presence of air Vent system 7 Circulator setting Circulator is not running although the electrical power supply is switched on Replace the pump Let the pump cool down for some minutes Then try to re start it Verify that the water and ambient temperature are within the indicated temperature ranges Circul...

Страница 16: ... the automatic release process after 100 attempts to restart the circulator it goes into standby and the LED remains red In this case follow the manual procedure described in the next steps 1 Disconnect power supply the warning light switches off 2 Close both isolating valves and allow cooling If there are no shut off devices drain the system so that the fluid level is beneath that of the circulat...

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