Bennett HIGH FLOW H35, Instruction Manual

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Installation
Bennett HF H35 Instruction Manual 15
CHAPTER 2 INSTALLATION
PRELIMINARY INSTALLATION
RECOMMENDED EQUIPMENT AND MATERIALS
WARNING: DISCONNECT ELECTRICAL POWER AND PURGE GAS BEFORE SERVICING FILTER.
CAUTION: USE ONLY UL LISTED RIGID METAL CONDUIT AND UL LISTED SEALING FITTINGS WITH CONDUCTOR SEALS.
The following items are recommended for proper installation of Bennett Dispensers and are to be supplied by the customer:
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Anchor Bolts
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Any additional installation equipment and/or tools for required for (hanging hardware, nozzles, hoses, valance, etc.)
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Lift Straps
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Device for lifting and transporting the dispenser.
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Personal Barriers and Personal Protection Equipment
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Potting Compound National Fire Protection Agency NFPA 70: National Electrical Code (NEC) approved.
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Sealant that is UL approved for use with compressed natural gas systems.
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Voltmeter
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Piping required for the following connections to dispenser:
o
(HYDROGEN INLET) TUBING = 9/16” X 0.125” wall , 316 stainless steel, cold drawing, seamless, 1/8” hard (9/16” M/P bulkhead
connection).
o
(COOLANT) TUBING = 1” x 0.083” wall , 316 stainless steel seamless tubing. (1” Swagelok connection).
o
(VENT) TUBING = 1” x 0.083” wall , 316 stainless steel seamless tubing. (1” Swagelok bulkhead connection).
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Audible/Visual Alarm
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5 Micron Filter (Optional, see Upstream Hydrogen Supply Line Filter for more details)
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Conduit
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Fittings to Electrical
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Ground Joint Union
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1 inch (25 mm) Swagelok Gap Inspection Gauge
GENERAL INSTALLATION INFORMATION
DANGER: INSTALLATION TO CONFORM TO NATIONAL, STATE AND LOCAL CODES, INCLUDING NFPA 2 AND NFPA 70.
CAUTION: DISPENSERS MUST BE INSTALLED WITH A SUITABLE POWER OPERATED COMPRESSOR INCORPORATING A
PROVISION FOR EXPANSION RELIEF, WHICH WILL RELIVE AT PRESSURES NOT TO EXCEED 48.125 MPa (H35). DO NOT USE LINE
CHECK VALVE BETWEEN DISPENSER AND OPERATED COMPRESSOR UNLESS PROVIDED WITH A RELIEF VALVE.
NOTE: The dispenser is intended for use with fuel cell grade hydrogen as defined by the Compressed Gas Association (CGA)
Commodity Specification for Hydrogen, G-5.3, and with gas composition at the dispenser nozzle as specified by SAE 2719 -
Hydrogen Fuel Quality for Fuel Cell Vehicles .
NOTE: Pressure at the dispenser must not exceed or 48.125 MPa (H35).
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Examine the shipment immediately upon arrival to make certain there has been no damage or loss in transit. Bennett Pump Company,
as shipper, is not liable for the hazards of transportation. Please make damage claims directly to the truck line.
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Examine the dispenser’s cabinet and chassis for any loo se or missing fasteners that may have become loose during transit.
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Examine all fittings in the dispenser’s hydraulics for any loose connections that may have become loose during transit.
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Before installation ensure that protection against lighting strikes is in accordance with the American Petroleum Institute
Recommended Practice RP 2003, Protection Against Ignitions Arising out of Static, Lightening, and Stray Currents.
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All piping installations must be in accordance with ASME B31.12, Hydrogen Piping and Pipelines, and the ICC International Fuel Gas
Code (IFGC), Section 705.