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Фрагмент инструкции
The result is that it is the responsibility of the vessel manufacturer to have the entire rethermalizing appliance tested and listed in accordance with NSF Standard 4. Simply hanging an NSF listed FR2 unit on the appliance does not transfer NSF listing to the entire appliance. 3 Form No. FR2M-0604 SPECIFICATIONS SIZING INFORMATION Hatco recommends the following guidelines be used to ensure proper operation and sanitation. For FR2 Series in a Bain-Marie or Steam Table Application • Minimum 750 watts (.75 kW) per square foot (0.8 watts per sq. cm) of vessel top. For FR2 Series in a Food Rethermalizer Application • Minimum 2000 watts per square foot (2.2 watts per sq. cm) of vessel top. NOTE: Use the FR2 unit for a vessel up to 6' (1829 mm) long. Over 6' (1829 mm) minimum two units required. See the Minutes To Heat Table to determine the amount of time required to heat water using a FR2 series in a Bain-Marie or Steam Table application. DIMENSIONS Width (A) Depth (B) Height (C) 6-3/4" (172 mm) 17-1/8" (435 mm) 12-3/4" (324 mm) A C B Figure 2. Dimensions ELECTRICAL Install a fused disconnect switch or circuit breaker sized according to the applicable Electrical Rating Chart. The wiring from the switch or circuit breaker to the Hatco unit must be in accordance with local electrical requirements and codes. WARNING For proper electrical installation conforming to local electrical codes, consult a licensed electrical contractor. Models come complete with all electrical wiring and are equipped with three electrical knockouts, one at the rear and one on each side towards the rear. When performing installation, run electrical connections through one of these knockouts. NOTE: FR2 Series units equipped with auto-fill have two electrical knockouts; one at the rear and one on the right, when facing control side. NOTE: FR2 Series units with remote electronic controller require that the controller with 8 terminal plug be connected to the 8 terminal receptacle located on the front of the heater unit. Before mounting controller, make sure it is located close enough to the heater so the lead wires can be properly connected. Form No. FR2M-0604 4 INSTALLATION PLUMBING An adhesive backed paper template is shipped with the unit and is used to locate the sink strainer holes. Use the following procedure to install the heater unit to the holding vessel. NOTE: The FR2 heater should be positioned with no more than 3' (914 mm) on either side when mounted under holding vessel. See Figure 4. A perforated water baffle (not supplied with unit) must be used to distribute the heated water properly. NOTE: Use one FR2 for a Hot Food Table up to 6' (1829 mm) long. Over 6' (1829 mm) minimum 2 units required. CAUTION Do not use extension pipes on the inlet and outlet connections on heater units. Poor performance or unsafe conditions may occur. 1. Expose the adhesive back of the paper template and stick the template on the bottom of the holding vessel. Center the template with the words “Front Cover” positioned against the front inside wall of the vessel. 2. Center punch and drill a 3/4" (19 mm) pilot hole at each of the two center marks on the template. 3. Remove the template and cut a 2" (51 mm) diameter hole at each pilot hole location using a standard #ATV1756 Greenlee cutter. NOTE: If a #ATV1756 Greenlee cutter is not available, use a standard Greenlee 1-1/2" conduit cutter #500-6978, which is slightly under 2" (51 mm) diameter. File or ream holes as necessary to 2" (51 mm) diameter required for mounting sink strainers. 4. See Figure 5. In each of the holes, install a male threaded sink strainer with a thin gasket between the strainer flange and the bottom of the holding vessel. 5. Install two thick gaskets at the underside of the holding vessel along with a thin fiber gasket, and secure finger tight with the nut. 6. Attach the heater to the strainers loosely with the union nuts and 1-3/4" (45 mm) rubber gaskets. NOTE: Make sure rubber gaskets are positionedinside the union nuts and are not crimped. 3'3'3/4" (19 mm) holes around periphery on 6" (152 mm) centers Dotted line indicates the position of perforated water baffle 3/4" (19 mm) high baffle with divider wall between inlet and outlet (914 mm) MAX(914 mm) MAX Figure 4. Hydro-Heater Water Baffle 3" (76 mm) Thin rubber washer Thick rubber washers (Qty. 2) Thin fiber washer 1/8" (3 mm) offset Sink or tank Nut Union nut Union Gasket Figure 5. Installing Sink Strainer 7. Tighten nuts on strainers securely. 8. Tighten union nuts securely. 9. Fill the holding vessel with water and check for leaks. CAUTION Do not overtighten unions or nuts. Overtightening may cause leaks. NOTE: A 3/4" (19 mm) hose or pipe may be connected to the heater sump drain and run to an open sight drain. The sump drain should not be permanently connected to the sanitary drain system. Check local plumbing code for proper drain installation. See MAINTENANCE for more information. 5 Form No. FR2M-0604 INSTALLATION CAUTION Water...
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