Magnetrol International Level Switch A15-1H3E-DKQ

Ensure enclosing tube is tightened and middle set screw is locked to the enclosing tube.

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.

Unpacking and Initial Inspection

Unpack the instrument carefully

Report any concealed damage to carrier within 24 hours

Check the contents of the packing slip

Verify against the purchase order

Record the serial number for future reference

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

Handle displacer spring and stem carefully 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.

Ensure no obstacles in the tank interfere with displacer operation.

Is a guide pipe or tube necessary due to liquid turbulence?

Inspect for excessive wear on actuating lever or misalignment of adjustment screw

Refer to switch mechanism bulletin if adjustment or replacement is necessary

Check for Defective or Maladjusted Switch Mechanisms

Ensure control is not operated with defective or maladjusted switch mechanisms

Check for brittle insulation on electrical wiring

Replace wiring at first sign of brittle insulation

Ensure the switch housing cover is in place

Inspect the housing cover for any damage or signs of wear

Clean the switch housing cover to remove dust and dirt

Check for any moisture or corrosive gas infiltration

Is the housing cover free from damage after cleaning?

Is a positive seal maintained to prevent moisture infiltration?