Alfa Laval ThinkTop Basic Instruction Manual
Intrinsically safe
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Summary of Contents for Alfa Laval ThinkTop Basic
- Page 1 Instruction Manual ® ThinkTop Basic Intrinsically Safe TD 804-001 Registered Design Registered Trademark ESE00810-EN3 2014-12 Original manual...
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Page 3: Table Of Contents
6. Maintenance ................... 6.1. Dismantling of ThinkTop Basic Intrinsically Safe ..........6.2. Assembly of ThinkTop Basic Intrinsically Safe ..........7. Parts list and service kits ................7.1. Drawings for ThinkTop Basic Intrinsically Safe ..........7.2. ThinkTop Basic Intrinsically Safe .............. -
Page 4: Ec Declaration Of Conformity
1 EC Declaration of Conformity The Designated Company Alfa Laval Kolding A/S Company Name Albuen 31, DK-6000 Kolding, Denmark Address +45 79 32 22 00 Phone No. hereby declare that Top Unit for Valve Control and Indication Designation ThinkTop® Basic Intrinsically Safe... -
Page 5: Safety
Disconnect the ThinkTop Basic Intrinsically Safe Always have the ThinkTop Basic Intrinsically Safe electrically connected by authorized personnel The ThinkTop Basic Intrinsically Safe must be installed in an inherently safe circuit, according to the corresponding regulations. Maintenance: Always read the technical data thoroughly) -
Page 6: General Information
3 General information 3.1 ThinkTop Basic Intrinsically Safe in general The ThinkTop Basic Intrinsically Safe is designed to ensure optimum valve control in conjunction with Alfa Laval valves and it is compatible with most PLC systems. The ThinkTop Basic Intrinsically Safe can be equipped with 0-2 solenoid valves. The solenoids are electrically controlled by the Digital PLC and when activated the compressed air is activating the air actuator. -
Page 7: Technical Specifications
4 Technical specifications Solenoid valves 0 to 2 solenoid valves in each unit possible. Type 3/2 port. Air supply 0.15 - 0.7 MPa (1.5-7 bar). Filtered air, max. particles or dirt 5 mm 5-5 mg/m Max. flow 180 l/min. Max. oil content 1 mg/m Max. -
Page 8: Installation
5.1 Installation on air actuators Step 1 Always read the technical data thoroughly. Always have the ThinkTop Basic Intrinsically Safe electrically connected by authorised personnel. Step 2 1. Fit the air fittings on actuator if not mounted. 2. Fit the activator stem and tighten carefully with a spanner (A). - Page 9 5 Installation Step 5 Fit the ø6 mm (1/4”) air tubes to ThinkTop Basic Intrinsically Safe. (see drawing “Air connections” page 10). TD 804-005 Step 6 Fit the air tubes to the actuator (see drawing “Air connections” page 10). TD 804-006...
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Page 10: Air Connections
NOTE! To energize the valve, use a separate air tube or be in radio contact with the control room. 7. Mount the cover of ThinkTop Basic Intrinsically Safe and tighten (0.6 Nm) the four screws. 5.2 Air connections A. Manual hold override B. -
Page 11: Electrical Connection, Internal
5.3 Electrical connection, internal Electrical Connection Hazardous Area - Zone 1 Safe Area The ThinkTop Basic Intrinsically Safe must always be installed in an intrinsic safe circuit. Sensor The two inductive NAMUR sensors must be connected to a certified intrinsically safe circuit (e.g. Zener barrier) -
Page 12: Maintenance
2. Remove solenoid valves (up to two) and replace them with new ones. TD 804-012 Step 4 1. To dismantle the adapter (the lower part of the ThinkTop Basic Intrinsically Safe) from base (the middle part), unscrew the three screws. 2. Turn the lower part a little clockwise and pull. -
Page 13: Assembly Of Thinktop Basic Intrinsically Safe
To remove the sensor frame unscrew the three screws and pull out the frame. TD 804-014 6.2 Assembly of ThinkTop Basic Intrinsically Safe Step 1 Place sensor frame in base on top of the four washers, two under each side, and tighten screws (torque: 1 Nm). - Page 14 Handle scrap correctly. Always keep spare X-rings in stock. Step 4 1. Replace the grey X-ring. 2. Replace cover of ThinkTop Basic Intrinsically Safe and tighten the four screws (0.6 Nm). TD 804-033 Step 5 1. Replace the black X-ring.
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Page 15: Parts List And Service Kits
7 Parts list and service kits The drawings show ThinkTop Basic Intrinsically Safe. The items refer to the parts lists in the following sections 7.1 Drawings for ThinkTop Basic Intrinsically Safe TD 804-034 TD 804-019_1 ø137 mm Note! This is the basic design. -
Page 16: Thinktop Basic Intrinsically Safe
7 Parts list and service kits The drawings show ThinkTop Basic Intrinsically Safe. The items refer to the parts lists in the following sections 7.2 ThinkTop Basic Intrinsically Safe TD 804-036... - Page 17 7 Parts list and service kits The drawings show ThinkTop Basic Intrinsically Safe. The items refer to the parts lists in the following sections Parts list Pos. Denomination Shell, complete Washer Frame cpl. with sensors Solenoid valve (3/2) PT screw...
- Page 18 © Alfa Laval Corporate AB This document and its contents is owned by Alfa Laval Corporate AB and protected by laws governing intellectual property and thereto related rights. It is the responsibility of the user of this document to comply with all applicable intellectual property laws. Without limiting any rights related to this document, no part of this document may be copied, reproduced or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the expressed permission of Alfa Laval Corporate AB.
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