MCDonald 6619-029 Replacement Instructions

Autodrive pressure switch

Table of Contents

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IMPORTANT NOTICE - READ CAREFULLY

AutoDRIVE Pressure Switch

Kit Contents

Pressure Switch

Once the drive has been powered down, locate a drain valve in the

system in order to relieve the pressure and drain the system.

NOTE: Try to use as low of a valve as you can which will allow more

of the system to be drained and reduce the amount of water that will

leak when the pressure switch is removed from the piping.

3210-688

* Ensure power is disconnected from the unit and capacitors have been given adequate

time to discharge before servicing*

* Reference the sticker on the side of the drive for specifics on capacitor discharge time*

This instruction applies to the following AutoDRIVE model numbers:

Part number

6619-018

80 0 . 2 9 2 . 2 7 37 | s al e s @ ay m c do n a l d . c o m | a y m c d o n a l d . c o m

Model number

Pressure Switch part number

SD1-2HP2PS

Wire Kit

Remove the three (3) screws that attach the front cover

to the unit.

NOTE: If the pressure switch wire does not need to be

replaced, some of the following steps can be skipped.

Replacement Instructions

6619-029

Page 1 / 5-22

Table of Contents

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Page 1 This instruction applies to the following AutoDRIVE model numbers: Part number Model number Pressure Switch part number 6619-018 SD1-2HP2PS 6619-029 Kit Contents Pressure Switch Wire Kit Step 2 Step 1 Remove the three (3) screws that attach the front cover Once the drive has been powered down, locate a drain valve in the to the unit.
Page 2 IMPORTANT NOTICE - READ CAREFULLY AutoDRIVE Pressure Switch Step 3 Locate the pressure switch wire terminal connections on the control board. Remove the wires from the AUX1 and COM terminals. Step 4 Step 5 Loosen the transducer cord grip and pull the Take note of routing for the pressure switch wire and undo any attachment points.
Page 3 IMPORTANT NOTICE - READ CAREFULLY AutoDRIVE Pressure Switch Step 6 Ensure the open drain valve has quit running and prepare for a small amount of water to leak when the old pressure switch is removed. Remove the wire connections from the pressure switch and unthread the pressure switch. Step 7 Step 8 Thread in the new pressure switch and connect...
Page 4 IMPORTANT NOTICE - READ CAREFULLY AutoDRIVE Pressure Switch Step 9 Step 10 Push the pressure switch cable up through the cord grip Connect either wire of the new pressure switch to the AUX1 and tighten the cord grip. Excess pressure switch wire can terminal and connect the other pressure switch wire to the be coiled up.