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All written and visual data contained in this document reflects the latest product information available at the time of publication. 

Graco reserves the right to make changes at any time without notice.

Original instructions. This manual contains English. MM 3A6976

Graco Headquarters: Minneapolis

International Offices: Belgium, China, Japan, Korea

GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA

Copyright 2018, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.

www.graco.com

Revision 

C, March 2021

Graco Standard Warranty

Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from 
defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, 
extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace 
any part of the equipment determined by Graco to be defective. This warranty applies only when the equipment is installed, 
operated and maintained in accordance with Graco’s written recommendations.

This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused 
by faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, 
or substitution of non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the 
incompatibility of Graco equipment with structures, accessories, equipment or materials not supplied by Graco, or the improper 
design, manufacture, installation, operation or maintenance of structures, accessories, equipment or materials not supplied by 
Graco.

This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor 
for verification of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. 
The equipment will be returned to the original purchaser transportation prepaid. If inspection of the equipment does not disclose 
any defect in material or workmanship, repairs will be made at a reasonable charge, which charges may include the costs of parts, 
labor, and transportation.

THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING 
BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR 
PURPOSE

Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no 
other remedy (including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or 
property, or any other incidental or consequential loss) shall be available. Any action for breach of warranty must be brought within 
two (2) years of the date of sale.

GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
FOR A PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS 
SOLD BUT NOT MANUFACTURED BY GRACO
. These items sold, but not manufactured by Graco (such as electric motors, 
switches, hose, etc.), are subject to the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable 
assistance in making any claim for breach of these warranties.

In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying 
equipment hereunder, or the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach 
of contract, breach of warranty, the negligence of Graco, or otherwise.

FOR GRACO CANADA CUSTOMERS
The Parties acknowledge that they have required that the present document, as well as all documents, notices and legal 
proceedings entered into, given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les 
parties reconnaissent avoir convenu que la rédaction du présente document sera en Anglais, ainsi que tous documents, avis et 
procédures judiciaires exécutés, donnés ou intentés, à la suite de ou en rapport, directement ou indirectement, avec les 
procédures concernées.

Graco Information

TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor.
Phone: 612-623-6921 or Toll Free: 1-800-328-0211 Fax: 612-378-350

Summary of Contents for 17Z666

Page 1: ...atmospheres or hazardous locations unless otherwise specified Part No 17Z666 Leak Sensor Kit Part No 17Z667 Leak Sensor Kit includes ATEX certified leak sensor Part No 25P303 Control Box Kit Part No 2...

Page 2: ...5 Grounding 5 Installation 6 ATEX Certified Leak Sensor Kit 17Z667 6 Leak Sensor Kit 17Z666 7 Connect Power to Control Box 9 Operation 9 Maintenance 9 Clean Sensors 9 Parts 10 Leak Sensor Kit 17Z666...

Page 3: ...prevent fire and explosion Use equipment only in well ventilated area Eliminate all ignition sources such as pilot lights cigarettes portable electric lamps and plastic drop cloths potential static sp...

Page 4: ...reate safety hazards Make sure all equipment is rated and approved for the environment in which you are using it Use equipment only for its intended purpose Call your distributor for information Route...

Page 5: ...ntification and Description Before you install the system you should be familiar with the parts discussed in the following paragraphs Sensors The sensors are mounted on the pump to detect liquid on th...

Page 6: ...to your monitoring device before installing the sensors or servicing the leak detector system Pressure Relief Your diaphragm pump stays pressurized until pressure is relieved manually To help prevent...

Page 7: ...location 4 Remove plugs from the pump air covers if plugs are present See FIG 2 5 Screw the sensors into the pump Use thread sealant as needed See FIG 5 FIG 3 ATEX Certified Sensor Assembly FIG 4 Sen...

Page 8: ...rminal strip CR1 9 Connect Sensor 2 to the control box by attaching the lead wires from the sensor to the sensor termi nals as follows a Attach the supply wire brown to either of the terminals marked...

Page 9: ...ox will be lit If an error or a diaphragm rupture or other leak occurs the green LED indicator corresponding to the sensor that identified the leak will extinguish The red FAULT LED indicator will lig...

Page 10: ...107186 PACKING O RING 2 This model is certified II 2 G Ex ib IIB T6 Gb Ref No Part No Description Qty 1 18A529 LEAK DETECTOR BOX 1 2 15G303 LABEL warning 1 Replacement warning labels signs tags and ca...

Page 11: ...00 psi 0 69 MPa 6 9 bar Maximum sensor operating temperature 257 F 125 C Rated operational voltage 4 5 15 4 VDC Leak Sensor Kit 17Z667 Maximum sensor pressure 125 psi 0 86 MPa 8 6 bar Maximum sensor o...

Page 12: ...inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation TH...

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