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Summary of Contents for CARRARO AT Series
- Page 1 I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators IMI0028E.doc 20090 SEGRATE (MI)- via E.Fermi E-MAIL: info@carrarovalvole.it Rev.1 26/01/05 TEL.(02) 269912.1 - FAX.(02) 2692.2452 Page 1 of 19...
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Page 2: Table Of Contents
I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators GENERAL INDEX Page 1. General information ....................3 2. Guarantee ......................3 3. Validity of instructions ..................... 3 4. -
Page 3: General Information
I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators GENERAL INFORMATION: 1.1 - RIGHT TO MAKE MODIFICATIONS AND "COPYRIGHT" The regulations, standards, etc. mentioned in these operating instructions are based on the knowledge that was available when they were drawn up and are not subject to modification. -
Page 4: Safety Indications
I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators PRODUCT SAFETY INDICATIONS AND BOX SYSTEM If and where appropriate, safety warnings have been placed inside boxes in the margins of the pages of this manual. -
Page 5: Safety Warnings
Given the large number of conditions and circumstances that may arise while working on the products and the consequent risks deriving from the way this is done, CARRARO is unable to prevent all risks of injury to people and damage to property and can only help by asking you to take the utmost care and by providing the following safety suggestions. -
Page 6: Safety Precautions
I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators SAFETY PRECAUTIONS Always observe the current plant safety regulations together with the following indications: ° Wear safety clothing. Hot water can scald you and overheated steam is invisible. -
Page 7: Transport, Storage And Handling
I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators TRANSPORT, STORAGE AND HANDLING Transport Depending on their size, valves can be transported loose, packed in cardboard boxes or in wooden crates. -
Page 8: Characteristics And Markings
I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators CHARACTERISTICS AND MARKINGS Plate “A” attached to the regulator body indicates: • SERIAL NUMBER OF THE REGULATOR When requesting spare parts, always quote this number. -
Page 9: Installation
I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators INSTALLATION See drawing Fig. 3 (installation examples) INSTALLING THE REGULATOR AND FILTER (Fig. 3) The regulator can be installed WITHOUT DISTINCTION above or below the bulb connector. - Page 10 I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators The sensitive elements cannot be subject to temperatures higher than those indicated in tab. 1 below. Tab. 1...
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Page 11: Start-Up And Calibration
I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators MOUNTING BULBS WITH UNION CONNECTION OR WELL ASSEMBLY. Loosen the nut “N” of the connection joint (or well assembly) “W” using two wrenches (see fig. 1). - Page 12 I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators Fig. 2 Tab. 2 IMI0028E.doc 20090 SEGRATE (MI)- via E.Fermi E-MAIL: info@carrarovalvole.it Rev.1 26/01/05 TEL.(02) 269912.1 - FAX.(02) 2692.2452...
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Page 13: Drawings And Installation Examples
I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators DRAWINGS AND INSTALLATION EXAMPLES (Fig. 3) IMI0028E.doc 20090 SEGRATE (MI)- via E.Fermi E-MAIL: info@carrarovalvole.it Rev.1 26/01/05 TEL.(02) 269912.1 - FAX.(02) 2692.2452... -
Page 14: Servicing
I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators SERVICING THE TEMPERATURE REGULATOR IMPORTANT: The stem of the valve has no packing gland. NEVER TURN THE VALVE STEM; the seal is achieved by a bellows and therefore EVEN THE SLIGHTEST ROTATION OF THE VALVE STEM WOULD IRREPARABLY DAMAGE THE BELLOWS. - Page 15 I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators Tab. 4 Sensitive systems with minimum temperature in the Cool the sensitive system to °C Suggested cooling systems calibration range °C...
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Page 16: Cross-Section Drawings
I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators CROSS-SECTION DRAWINGS OF THE TEMPERATURE REGULATORS 13.1 Cross-section drawing AT/S2/D - AT/S2/R (Fig. 4) IMI0028E.doc 20090 SEGRATE (MI)- via E.Fermi E-MAIL: info@carrarovalvole.it... - Page 17 I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators 13.2 Cross-section drawing AT/S1/D - AT/S1/R (Fig. 5) IMI0028E.doc 20090 SEGRATE (MI)- via E.Fermi E-MAIL: info@carrarovalvole.it Rev.1 26/01/05 TEL.(02) 269912.1 - FAX.(02) 2692.2452...
- Page 18 I N S T R U C T I O N S For installing, starting and servicing the AT series of temperature regulators 13.3 Cross-section drawing AT/3V (Fig. 6) IMI0028E.doc 20090 SEGRATE (MI)- via E.Fermi E-MAIL: info@carrarovalvole.it Rev.1 26/01/05 TEL.(02) 269912.1 - FAX.(02) 2692.2452...
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Page 19: Repair
14.3 Rating plate (example) 14.4 To ensure the valves treated in this manual work correctly, they should be serviced by Carraro engineers or by Carraro-authorised Service Centres using original spare parts. CAUTION The maker declines all liability for modifications to the product or operations that are not contemplated in this manual.
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