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Documents & Manuals

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Tensioning Guide
Belt-diagram
C-120 pulleys
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Work Order Templates

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Daily Electrical System Inspection
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Install Engine B-120
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Procedures

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Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Parts

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Drive Motor
B2 Rollers
Tensioning System
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United Electric Controls Pressure Switch 12SHSN3D

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Maintenance Plans for United Electric Controls Pressure Switch Model 12SHSN3D

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Pressure Switch Set Point Adjustment

Gather necessary tools

Connect control to pressure source

Remove cover

Ensure power is disconnected

Slide cover toward electrical terminations while twisting to overcome friction

Connect power to terminals or leads

Adjust pressure switch set point

Insert screwdriver into adjustment slot

Turn screwdriver clockwise to increase setting or counter clockwise to decrease setting

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Pressure Switch Wiring

Safety Precautions

Disconnect all supply circuits before wiring product.

Ensure wiring is in accordance with local and national electrical codes.

Protect wires against mechanical damage using a conduit or other suitable means.

Electrical Ratings and Approvals

Verify that electrical ratings are not exceeded.

Confirm DIN connector (Option M515, Figure 4) is not used in Class I, Div. 1 hazardous locations/flameproof atmospheres.

ATEX Installation Requirements

Ensure external grounding screw (Option M460) is used for non-metallic conduit systems.

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Pressure Switch Mounting

Safety Precautions

Read and understand all instructions before installation.

Ensure proof pressure limits are not exceeded.

Verify ambient temperature does not exceed 176°F (80°C).

Consider using a pressure snubber if severe pressure surges are expected.

Mounting Instructions

Select the appropriate mounting method

Use a wrench on pressure connection wrench flat for pressure models.

Mount differential pressure models against a rigid support using the mounting bracket.

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Parts for United Electric Controls Pressure Switch 12SHSN3D

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Part Name

Part Number

Factory Set Switch, Specify Increasing Or Decreasing Pressure

M201

Range In Kpa Or Mpa On Nameplate, Factory Selected. Not Available On Temperature Versions

M277

Range In Kg/Cm² On Nameplate. Not Available On Temperature Versions

M278

Flame Proof, Intrinsic Safety For Inmetro Compliance

M391

Nace Mr0175 Wetted Material Compliance. Available Sensor Types 2A-F, 3A-H, 4A-H, 5A-H, 6A-H, 7A-D, 8A-G, 9A-C, P0-9. Consult Factory For Details On Repeatability, Deadband, And Overpressure Limits

M401

Factory Set Switch, Specify Increasing Or Decreasing Pressure

M201

Range In Kpa Or Mpa On Nameplate, Factory Selected. Not Available On Temperature Versions

M277

Range In Kg/Cm² On Nameplate. Not Available On Temperature Versions

M278

Flame Proof, Intrinsic Safety For Inmetro Compliance

M391

Nace Mr0175 Wetted Material Compliance. Available Sensor Types 2A-F, 3A-H, 4A-H, 5A-H, 6A-H, 7A-D, 8A-G, 9A-C, P0-9. Consult Factory For Details On Repeatability, Deadband, And Overpressure Limits

M401

Factory Set Switch, Specify Increasing Or Decreasing Pressure

M201

Range In Kpa Or Mpa On Nameplate, Factory Selected. Not Available On Temperature Versions

M277

Range In Kg/Cm² On Nameplate. Not Available On Temperature Versions

M278

Flame Proof, Intrinsic Safety For Inmetro Compliance

M391

Nace Mr0175 Wetted Material Compliance. Available Sensor Types 2A-F, 3A-H, 4A-H, 5A-H, 6A-H, 7A-D, 8A-G, 9A-C, P0-9. Consult Factory For Details On Repeatability, Deadband, And Overpressure Limits

M401