Electrical Connections (AC Models)
Leak Sensor Wiring (AC Models)
Follow these instructions to wire the optional Leak
Sensor Kit 24Y661 to a VFD.
NOTE: Leak Sensor Electrical Ratings:
• Voltage: 36 VDC/30VAC
• C urrent: 0.5A
• Normally closed
1. Select and purchase a cable from the following
table, determined by the cable routing distance
between the pump and the VFD.
Part Number
Cable Length
17H389
9.8 ft, 3.0 m
17H390
24.6 ft., 7.5 m
17H391
52.5 ft, 16 m
2. See
, to install the leak
sensor. Connect the selected cable to the
installed leak sensor.
3. Turn off power to the VFD.
4. Open the access cover on the VFD.
5. For a Graco VFD, perform the following:
a. Wire one lead to terminal 4 on the rail.
b. Wire a second lead to terminal 13A on the
rail.
c. Close the access cover.
d. Turn on power to the VFD.
e. Go to screen P121.
f. Change the value to 21 and press the Mode
button.
6. For a non-Graco VFD, perform the following:
a. Attach the two leads to the detection circuit
in the VFD.
NOTE: Refer to the VFD manual for proper
connection points.
b. Close the access cover.
c. Turn on power to the VFD.
d. Configure the VFD to monitor the leak sensor
circuit.
7. Refer to the VFD manual for information on how
to configure the VFD to generate a fault or stop
the pump when a leak is detected.
334188P
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Tel: 866-777-6060
Fax: 866-777-6383
Springer Pumps, LLC
Website: www.springerpumps.com
Int'l: +001 267 404 2910
