Emerson series dt - Manuals

Page 2 - Level; Installation, operation & maintenance instructions

2 Level Installation, operation & maintenance instructions IP152, Rev A D April 2012

Page 3 - April; Mobrey vertical magnetic level controls; Principle of Operation

3 Level Installation, operation & maintenance instructions IP152, Rev AD April 2012 Mobrey vertical magnetic level controls Principle of Operation Switching is achieved with the Mobrey “three-magnet” system, giving snap-action “latch-on” switching. Vertical movement of the primary magnet A in a ...

Page 4 - Electrical characteristics; x independent SPST; Wiring Examples; Flameproof models; before energizing

4 Level Installation, operation & maintenance instructions IP152, Rev A D April 2012 Electrical characteristics 4 Contact Type : D4, X4, P4, H4 2x independent SPST AA make on rise : BB make on fall 8 Contact Type : D8, X8, P8, H8 Double pole double throw (4x independent SPST) AA make on rise : B...

Page 5 - and the temperature of the process vessel to which it is attached.; Note; : The cable entry temperature may exceed 70°C

5 Level Installation, operation & maintenance instructions IP152, Rev AD April 2012 P4, P8, H4, H8 Switch Mechanisms - Simple Apparatus These Switch Mechanisms in a standard switch housing are classified as “Simple Apparatus” when used in Intrinsically Safe circuits. They comply with the require...

Page 7 - Operating Level Data; Operating Levels : Single switch models

7 Level Installation, operation & maintenance instructions IP152, Rev AD April 2012 Operating Level Data Models Type No. B 11F, B 12F, B 13F, B 14F, B 17D, X 11F, X 12F, X 13F, X 14F, X 17D C = Highest Operating Liquid Level D (Multi-Switch) = Lowest Operating Liquid Level D (Single Switch) = Re...

Page 8 - Refer to wiring notes on page 4.; Before energizing

8 Level Installation, operation & maintenance instructions IP152, Rev A D April 2012 Series D Installation Instructions Installation shall be carried out by suitably trained personnel in accordance with applicable codes of practice. 1. Remove all sealing tapes, tie strings and protective packing...

Page 9 - Switching Point Adjustment

9 Level Installation, operation & maintenance instructions IP152, Rev AD April 2012 Switching Point Adjustment Each switch mechanism is mounted on a bracket, which is secured on the pressure tube by a locking screw and lock nut. These can be loosened, allowing the bracket to be adjusted up or do...

Page 11 - Inspect the chamber or stilling tube and remove any deposits.; models, ensure the cover locking safety grub screw is replaced and; weatherproof / Type

11 Level Installation, operation & maintenance instructions IP152, Rev AD April 2012 5. Inspect the chamber or stilling tube and remove any deposits. 6. Check float, float rod, and magnet for excessive wear, clean and replace as necessary. 7. Fit replacement joint and reassemble, taking care not...

Page 12 - When fitting a spare or replacement switch mechanism; Float

12 Level Installation, operation & maintenance instructions IP152, Rev A D April 2012 When fitting a spare or replacement switch mechanism IMPORTANT NOTE If a spare switch mechanism is fitted at any time, it is important that the magnet system is left in the correct mode. After installation of a...

Page 13 - Bolting Torques; Rosemount

13 Level Installation, operation & maintenance instructions IP152, Rev AD April 2012 Bolting Torques Information in this section is to the best of our knowledge correct. Since conditions of use are beyond our control users must satisfy themselves that bolt/torques are suitable for the flange/pro...

Page 14 - IMPORTANT NOTE: Sheet gasket materials; Liquid

14 Level Installation, operation & maintenance instructions IP152, Rev A D April 2012 Bolts should be lubricated with suitable grease. Correct bolt tightening sequence:- IMPORTANT NOTE: Sheet gasket materials This product contains or is fitted with non asbestos gaskets in accordance with BS7531 ...

Page 16 - Emerson Process Management; 58 Edinburgh Avenue

Level Installation, operation & maintenance instructions IP152, Rev A D April 2012 The Emerson logo is a trade mark and service mark of Emerson Electric Co. Rosemount is a registered trademark of Rosemount Inc. Mobrey is a registered trademark of Rosemount Measurement Ltd. All other marks are th...