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In order to reset the unit, turn the unit off and depress the reset button on the appropriate high limit switch, the tank high limit is located behind front panel on the left hand side of the vertical control panel.
The heat exchanger high limit is located on the front of the heat exchanger. The switches will not reset until the temperature has dropped to a safe level. This unit must remain off for at least 10 seconds before it can be restarted. Gas-fired, instantaneous recirculating booster heater with accumulator for use with. Energy cut off devices include manual reset heat exchanger high limit and manually. Direct — combustion air enters bottom, flue gases exit right side or back at top of.
NOTE: Capacity is reduced altitudes above feet m. Straight out duct adaptor shown. FT, FT Admiral , Speeder 64, , Century all. Trac Clipper all , R, Super Master all. K, K, K UA, UAC. SC, SC Or C Models with serial no. Shaded area indicates older models prior to Opti-RinSe. These modifications are the responsibility of the installer.
Where make-up water for wash tank is provided from final rinse supply, chart recommendations are based upon this additional demand not over 2 GPM as required by NSF. All sizings shown are that of the dishwasher manufacturers. Hatco Corporation is not responsible for incorrect sizing applications.
NOTE: The Commonwealth of Massachusetts requires that if a water treatment system is installed in line with the Hatco Booster Heaters, a water backflow protector shall also be installed. NOTE: If a check valve or water backflow protector is installed and cannot be removed install a back pressure relief valve, Hatco part number Discharge must be to open site drain.
For the most effective operation, install the Hatco Gas Booster Heater as close as possible to the dishwashing machine. NOTE: Employ external recirculation if distance between booster and dishwasher exceeds the National Sanitation Foundation specifications of five.
Unit is not weatherproof. The booster heater must be located in an area which allows for an adequate supply of air for proper combustion and ventilation in accordance with Section 5. Only a single booster appliance may be installed in this manner. The flow of air to the heater for combustion and ventilation must not be obstructed.
Air vents on the bottom and side of the unit should never be blocked. All panels should be in place during normal operation for optimal performance and safety.
This unit is designed to vent to the outside or into an open Equipment Hood, and is intended for commercial food service water heating only. See VENT section of this manual. Flue gases exit top side or back of this unit and must not be obstructed, specified clearances must be maintained for safe operation.
See VENT section for vent piping alternatives. Atmospheric conditions at elevations above ft. For this reason, historical models for altitude de-rating were developed for gas appliances with atmospheric burners. This could require modifying the equipment and adjusting settings in the field to achieve de-rating. Testing has shown this to be a very conservative approach.
Manufacturers discourage unnecessary field adjustments in order to maintain a level of performance and quality designed into the product.
For these and other reasons, testing was underwritten through CSA International to verify an improved satisfactory performance with little or no modification to effect input rate or control.
The following text and charts are a result of this testing and should be used during application sizing and installation. Above this level only a slight decrease in manifold pressure may be needed to meet the approved BTU rate. Inst allation Pressure Reducing V alve Blended Phosphate W ater.
T reatment System Optional Plumbing Connections Electrical-All Sizes and V oltages System S tart-up Shut Down T roubleshooting Hatco Limited W arranty Authorized Part s Distributors Back Cover. Record the model number , serial number.
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