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NSF Criteria
NSF Standard 4 added performance requirements for food
rethermalizing. The requirements mirror the requirements
for food rethermalizing in the FDA Food Code. The basic
requirement is that food reach a temperature of 165°F (74°C)
in a time period of two hours or less. Appliances that are
manufactured for the purpose of rethermalizing food will need
to meet these performance requirements in order to be listed
to NSF Standard 4.
The Hatco FR2 Series Hydro-Heater is specifically made for
food rethermalizing, however, the heating unit is designed to
be incorporated into a hot water bath rethermalizer. Hatco does
not supply the vessel that contains the water, nor the system
that determines how food is placed and held in the vessel.
The Hatco FR2 unit attaches to the bottom of the vessel and
supplies hot water to the vessel.
General
Hatco 3CS2 and FR2 Series Hydro-Heaters are shipped fully
assembled. Care should be taken when unpacking the shipping
carton to avoid damage to unit and components enclosed.
WARNING
ELECTRIC SHOCK HAZARD:
• Units supplied without an electrical cord and plug
require a hardwired connection to on-site electrical
system. Connection must be properly grounded and
of correct voltage, size, and configuration for electrical
specifications of unit. Contact a qualified electrician to
determine and install proper electrical connection.
• For units with an electrical cord and plug, plug unit
into a properly grounded electrical receptacle of the
correct voltage, size, and plug configuration. If plug
and receptacle do not match, contact a qualified
electrician to determine and install proper voltage and
size electrical receptacle.
• Unit must be installed by qualified, trained installers.
Installation must conform to all local electrical and
plumbing codes. Installation by unqualified personnel
will void the unit warranty and may lead to electric
shock or burn, as well as damage to unit and/or its
surroundings. Check with local plumbing and electrical
inspectors for proper procedures and codes.
• Unit is not weatherproof. Locate the unit indoors where
the ambient air temperature is a minimum of 70°F (21°C).
FIRE HAZARD: Install unit with a minimum of 3-1/2"
(89 mm) of space from bottom of unit to all combustible
surfaces to prevent combustion.
HHM-0224
Hatco does supply sizing recommendations to enable the
appliance manufacturer to correctly size the FR2 unit to
the vessel. However, there are variables in the way that the
vessel is manufactured that affect its ability to pass the NSF
performance requirements. The Hatco FR2 unit is listed with
NSF for construction only. Due to the fact that the FR2 is only
a portion of a larger system, it is impossible to do performance
testing until the FR2 unit is incorporated onto the water vessel.
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.
1. Remove the unit from the box.
NOTE: To prevent delay in obtaining warranty coverage,
complete online warranty registration. See the
IMPORTANT OWNER INFORMATION section for
details.
2. Remove tape and protective packaging from all surfaces
of unit.
Sizing Information
Hatco recommends the following guidelines be used to ensure
proper operation and sanitation.
For 3CS2 Series in a Sink Heater Application
• Minimum of 2000 watts per square foot (2.2 watts per sq.
cm) of vessel top.
• 3CS2 units are sized based on 140°F (60°C) supply water
with a 30-minute preheat period to reach the sanitizing
temperature.
For FR2 Series in a Bain-Marie or Steam Table
Application
• Minimum 750 watts 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 one 3CS2 or FR2 unit for a vessel up to 6' (1829 mm)
long. Vessels over 6' require a minimum of two units.
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SPECIFICATIONS
INSTALLATION
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