A.Y. McDonald 6619-028 Guide
Replacement Instructions
IMPORTANT NOTICE - READ CAREFULLY
AutoDRIVE Transducer Replacement
* Ensure power is disconnected from the unit and capacitors have been given adequate
time to discharge before servicing*
*Referencethestickeronthesideofthedriveforspecicsoncapacitordischargetime*
This instruction applies to the following AutoDRIVE model numbers:
Kit Contents
Transducer
Once the drive has been powered down, locate a valve 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 transducer is removed from the piping.
Part number Model number Transducer part number
6619-019 SD1-2HP2
6619-028
6619-020 SD3-2HP2
6619-021 SD3-3HP2
6619-022 SD3-5HP2
Step 1
Remove the three (3) screws that attach the front
cover to the unit.
Step 2
AutoDRIVE Transducer Replacement
IMPORTANT NOTICE - READ CAREFULLY
Locate the transducer wire terminal connections on the control board. Remove the positive lead (red) of the transducer from
terminal I_1+ and remove the negative lead (black) of the transducer from terminal I_1-.
Loosen the transducer cord grip and pull the transducer
wire through the cord grip.
Take note of routing for the transducer wire and undo any
attachment points.
Step 3
Step 4 Step 5
AutoDRIVE Transducer Replacement
IMPORTANT NOTICE - READ CAREFULLY
Ensure the open drain valve has quit running and prepare for a small amount of water to leak when the old transducer is removed.
Then, unthread the old transducer.
Thread in the new transducer. Re-route the transducer cable.
Step 6
Step 7 Step 8
AutoDRIVE Transducer Replacement
IMPORTANT NOTICE - READ CAREFULLY
Push the transducer cable up through the cord grip and tighten the cord grip. If necessary, trim the transducer cable to the
correct length. DO NOT COIL EXCESS TRANSDUCER CABLE
Connect the positive lead (red) of the transducer to terminal
I_1+. Connect the negative lead (black) of the transducer to
terminal I_1-.
Reinstall the front cover and then
reinstall the three (3) screws and
tighten the front cover.
Reconnect power to the
unit and check system for
leaks and performance.
Step 9
Step 10 Step 11 Step 12
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