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Dispenser Hook Isolation <br /> The FE Petro dispenser hook isolation device prevents electrical feedback between dispenser •Optically isolates inputs from up <br /> hook circuits as required by most electrical codes. to eight dispensers preventing <br /> damage to dispenser relay boards <br /> caused by cross-phasing. <br /> •Prevents electrical feedback between <br /> dispenser hook circuits during <br /> periods of maintenance and service <br /> ;X Conventional as required by NEC 514-6, 1999 and <br /> as e <br /> ♦ i other international codes. <br /> FROM 2 STP •Can be supplied factory-wired in <br /> DISPENSERS 3 CONTROL tandem with the FE Petro Smart <br /> 4 BOX Controller or the FE Petro <br /> standard control box. <br /> •Eliminates false STP run due to <br /> STP-DHI voltage leakage of multiple <br /> STP-DHI dispensers connected in parallel. <br /> eY` w I <br /> FROM — — •Fuse-protected output to <br /> STP <br /> Q DISPENSERS 2 I CONTROL submersible pump controller. <br /> •w. rp h <br /> "..••. <br /> 3(UPTO <br /> w BOX <br /> B •The STP-DHI can retrofit to an <br /> •' PER DHI) y <br /> r • 4 I existing site. <br /> C UL US LISTED <br /> Specifications: <br /> •Enclosure size:8-1/2"x 5"x 3"(215 mm x 127 mm x 76 mm). <br /> �a <br /> •Eight optically isolated inputs from dispenser. <br /> •One STP-DHI required per product grade for up to eight dispensers. '' <br /> •STP-DHI: 120V 30V A input from supply, eight 120 V I OmA inputs from dispensers. <br /> •Output fuse rating:250V IA,fast-acting. <br /> •300 Volt surge protection. <br /> •Maximum ambient temperature rating: 120•F. <br /> •LEDs indicate when source power is applied and dispenser hook signals are present. < <br /> •Compatible with any submersible pump controller. <br /> Approvals <br /> •Consult factory for applicable approvals. <br /> Quality Certification <br /> • Franklin Fueling Systems is an ISO 9001 Certified Manufacturer. <,< <br /> 28 <br />