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Bennett 621 Interconnection Box Instruction & Service Manual 

Safety Information

 

GENERAL INFORMATION  

Read this manual carefully and read all tags/labels attached to the 621 Interconnection Box before starting any maintenance and/or service. A 
controller that is not properly maintained will not perform properly and will void the Bennett limited warranty. 

Before installation, operation, maintenance and/or service ensure that protection against lighting strikes are in accordance with the American 
Petroleum Institute Recommended Practice RP 2003, 

Protection Against Ignitions Arising out of Static, Lightening, and Stray Currents

Service of the Bennett products and all accessories (e.g. Nozzles, Hoses, and Breakaways) must be performed by a technician who is trained in 
accordance to all codes, standards, and regulations. 

HAZARDOUS LOCATIONS  

For safe operation, ensure that the dispenser is in a classified area as detailed below per NFPA 30, 

Flammable and Combustible Liquids Code

 and 

NFPA 70, 

National Electric Code

. For further information on the classification of locations for Fuel Dispensers, see NFPA 30, 

Flammable and 

Combustible Liquids Code.

  

CODES AND STANDARDS  

Follow all local, state, and federal requirements for installation of all equipment. 

 

API 2003 – Protection Against Ignitions Arising Out of Stray, Lightning, and Stray Currents 

 

NFPA 30 – Flammable and Combustible Liquids Standard 

 

NFPA 30A – Motor Fuel Dispensing Facilities Standard 

 

NFPA 70 – National Electric Code 

 

International Fire Code – 2000 Edition 

UNAUTHORIZED ALTERAT ION OF BENNETT PRODU CTS 

DANGER: 

BEFORE PERFORMING ANY TYPE OF SERVICE TO THE DISPENSERS, BE SURE TO SHUT OFF ALL ELECTRICAL SUPPLIES AND 
SECURE THEM IN THE OFF POSITION. CLOSE ALL VALVES IN INCOMING PIPING. MAINTENANCE MUST BE PERFORMED 
BY TRAINED PERSONAL ONLY. 

Bennett Pump Company products are designed to meet or exceed the standards of Underwriters Laboratories, Inc., Federal Communication 
commission, and National Institute of Standards and Technology. Compliance with these standards protects the operator and the consumer from 
personal injury and ensure an accurate delivery of product. Any deviation from the use of authorized replacement parts or alteration of a designed 
product configuration may cause personal injury, death or the revocation of one or all of the above approvals. 

Bennett Pump Company will not assume responsibility or liability for any consequential injury or damage caused by the unauthorized alteration of 
its products. 

ABBREVIATIONS AND AC RONYMS 

 

 

 

TERM 

DESCRIPTION 

AC 

Alternating Current 

API 

America Petroleum Institute 

ASR 

Automatic Statistical Reconciliation 

DC 

Direct Current 

DCR 

Debit Credit Reader 

EPA 

Environmental Protection Agency 

GCL 

Generic Current Loop 

Hz 

Hertz 

NEC 

National Electrical Code 

NFPA 

National Fire Protection Agency 

NPT 

National Pipe Taper or National Pipe Thread 

NREL 

National Renewable Energy Laboratory 

OEM 

Original Equipment Manufacturer 

POS 

Point-of-Sale 

PEI 

Petroleum Equipment Institute 

PVC 

Polyvinyl Chloride 

RAM 

Random Access Memory 

RFI 

Radio Frequency Interference 

THHN 

Thermoplastic High Heat-resistant Nylon-coated 

UL 

Underwriters Laboratories, Inc. 

VAC 

Voltage Alternating Current 

VDC 

Voltage Direct Current 

VOM 

Volt-Ohm Meter 

Summary of Contents for 104080

Page 1: ...ON BOX P N 115763 115VAC Fuel Positions 1 through 24 P N 104080 Fan Out Board Installation Service Manual 116186 Rev C 11 13 18 Only Trained Personnel May Work on This Equipment READ THIS MANUAL This...

Page 2: ...99 6202 Email sales bennettpump com or salesintl bennettpump com Website www bennettpump com For new manuals visit our web page at www bennettpump com IMPORTANT Examine the shipment immediately upon a...

Page 3: ...ions 3 Pump Controller Assembly 621 Box 4 SECTION 3 INSTALLATION INSTRUCTIONS 9 621 Interconnection Box Recommended Equipment and Materials 9 How To Mount the 621 Interconnection Box 9 AC Power Requir...

Page 4: ...Bennett 621 Interconnection Box Instruction Service Manual Table of Contents ii Page Intentionally Left Blank...

Page 5: ...authorized personnel only Warranty work may only be performed by Bennett certified technicians To prevent electric shock keep the electrical parts of the dispenser dry Electronic components are static...

Page 6: ...AUTHORIZED ALTERATION OF BENNETT PRODUCTS DANGER BEFORE PERFORMING ANY TYPE OF SERVICE TO THE DISPENSERS BE SURE TO SHUT OFF ALL ELECTRICAL SUPPLIES AND SECURE THEM IN THE OFF POSITION CLOSE ALL VALVE...

Page 7: ...id the Bennett technician to troubleshoot site occurrences The Fan Out Circuit Board provides additional terminal strips for RS485 Data Communication SPECIFICATIONS 621 Dimensions length x width x hei...

Page 8: ...el protocol 621 CIRCUIT BOARD ASSEMBLY For locations with 1 through 16 Fueling Points ITEM DESCRIPTION 1 Enclosure 2 Circuit Board Assembly 621 Generic Current Loop Adaptor 3 Circuit Board Assembly Fa...

Page 9: ...ser Each 621 Interconnection Box uses one 120V 50 60 Hz or 240V 50 60 Hz circuit for power Make sure the power source has the correct frequency and voltage JP1 CURRENT LOOP VOLTAGE The JP1 is a 3 pin...

Page 10: ...tive 23 24 Yellow negative 13 NOT USED Orange positive NOT USED Yellow negative 14 NOT USED Orange positive NOT USED Yellow negative 15 NOT USED Orange positive NOT USED Yellow negative 16 NOT USED Or...

Page 11: ...diagnostic purposes Note All switches must be in the ON position If one of the switches is in the OFF position the point of sale will not be able to communicate to the dispenser connected to that DATA...

Page 12: ...sition screw terminal strip provides a DATA negative connection for each debit credit terminal S1 S8 SWITCH Switches S1 S8 on the circuit board are used for diagnostic purposes Note All switches must...

Page 13: ...ction Box measures 12 x 12 x 4 The enclosure requires four mounting screws These four screws are on 10 by 10 centers Note When installing a 621 Interconnection Box pay attention to the locations of th...

Page 14: ...e and may void warranty Dispenser fuel communication wires for fueling positions 1 through 24 terminate directly to the 621 Circuit Board Each fueling point has a positive orange and negative yellow c...

Page 15: ...m occurs refer to the service and troubleshooting section for more information or call Bennett Technical Support at 1 800 423 6638 1 Apply power to dispensers program them for operation and address th...

Page 16: ...Bennett 621 Interconnection Box Instruction Service Manual Installation Instructions 12 CONNECTION DIAGRAM...

Page 17: ...T Red Generic Current Loop Transmit Fuel Controller D2 WR Red Generic Current Loop Receive Fuel Controller D3 BT Red Bennett Transmit Dispenser Communication D4 BR Red Bennett Receive Dispenser Commun...

Page 18: ...lender VRB Plus None or Select Grade 1 Diesel 4 High Grade 5 Blend 6 Low Grade Three Grade Mixer MGD Uni Hose None or Select Grade 1 Grade A 2 Grade B 3 Grade C One Grade Non Blender MGD Uni Hose None...

Page 19: ...lt equivalent All rebuilt boards have a part number prefix of RB You must use factory rebuilt parts for all warranty service work Please refer to the Distributor Policy Manual for program terms and de...

Page 20: ...Bennett 621 Interconnection Box Instruction Service Manual Parts 16 Page Intentionally Left Blank...

Page 21: ...Bennett 621 Interconnection Box Instruction Service Manual Bennett Limited Warranty...

Page 22: ...Bennett 1218 E Pontaluna Road Spring Lake MI 49456 USA 800 235 7618 Outside USA 231 798 1310 sales bennettpump com www bennettpump com...

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