Magnetrol International Level Switch A15-1H3H-HM7

Unpacking and Initial Inspection

Unpack the instrument carefully

Report any concealed damage to carrier within 24 hours

Check the contents of the packing slip and purchase order

Record the serial number for future reference when ordering parts

Ensure no force is placed on fragile components

Ensure the instrument is used in Installation Category II, Pollution Degree 2.

Handle displacer spring and stem with care to avoid damage.

Displacer Adjustment and Installation

Adjust displacers on the cable for desired switch actuating levels.

Screw displacer cable fitting to the threaded connection link on the control.

Ensure no obstacles in the tank interfere with displacer operation.

Determine if a guide pipe or tube is necessary due to liquid turbulence.

Ensure the set screw is loosened before repositioning the conduit connection.

Is the control equipped with a pneumatic switch mechanism?

Loosen set screw(s) at base of switch housing.

Rotate switch housing to desired conduit entry position.

Tighten set screws at base of housing.

Unscrew and remove switch housing cover.

Inspect the switch housing cover for damage or misplacement

Check for any damaged or missing seals

Ensure the switch housing cover is in place during cleaning

Clean the exterior of the control housing

Verify the following components are in place and undamaged

Is the housing cover properly sealed after cleaning?

Inspect actuating lever for excessive wear

Check for misalignment of adjustment screw at point of contact with lever

Inspect insulation on electrical wiring for brittleness

Replace wiring with brittle insulation

Check all terminal connections for loose screws

Tighten any loose terminal screws