- Optically isolates inputs from up to eight dispensers preventing damage to dispenser relay boards caused by cross-phasing.
- Prevents electrical feedback between dispenser hook circuits during periods of maintenance and service as required by NEC 514-6, 1999 and other international codes.
- Can be supplied factory-wired in tandem with the FE Petro Smart Controller or the FE Petro standard control box.
- Eliminates false STP run due to voltage leakage of multiple dispensers connected in parallel.
- Fuse-protected output to submersible pump controller.
- The STP-DHI can retrofit to any existing site.
- Enclosure size: 8½" x 5" x 3" (215 mm x 127 mm x 76 mm).
- Eight optically isolated inputs from dispenser.
- One STP-DHI required per product grade for up to eight dispensers.
- STP-DHI: 120 V 30 V A input from supply, eight 120 V 10mA inputs from dispensers.
- Output fuse rating: 250 V 1A, fast-acting.
- 300 Volt surge protection.
- Maximum ambient temperature rating: 120 °F.
- LEDs indicate when source power is applied and dispenser hook signals are present.
- Compatible with any submersible pump controller.
- Consult factory for applicable approvals.
- Franklin Fueling Systems is an ISO 9001 Certified Manufacturer.
Part Number Description 402312921 STP-DHI-SCI combo DHI with factory-wired STP-SCI(when purchased with a 4" STP)* 402312921 STP-DHI-SCI, combo DHI with factory-wired STP-SCI(when purchased without a 4" STP) 402313921 STP-DHI-CBS, combo DHI with factory-wired STP-CBS single-phase control box 5800300100 STP-DHI, isolates up to eight, 120 Volt dispenser handles
- 1. DHI models are compatible with FE Petro submersible pump controllers and competitive pump controller makes accepting 120 Volt dispenser hook signal.
- 2. DHI models can be connected together for products with more than eight dispenser handle inputs.
- *When purchasing STP-DHI-SCI in equal quantities of fixed speed 4" STPs, the STP-DHI-SCI will be invoiced at special discount pricing.
DHI Repair Parts and Accessories
Part Number Description 223243103 DHI fast-acting fuse, 250 VAC, 1 Amp 223885901 DHI circuit board, 120 Volt dispenser hook signal
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