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Фрагмент инструкции
A comprehensive sanitation program should focus on the training of staff in basic sanitation procedures. This includes personal hygiene, proper handling of raw foods, cooking to a safe internal product temperature, and the routine monitoring of internal temperatures from receiving through service. Most food-borne illnesses can be prevented through proper temperature control and a comprehensive program of sanitation. Both these factors are important to build quality service as the foundation of customer satisfaction. Safe food handling practices to prevent food-borne illness is of critical importance to the health and safety of your customers. HACCP, an acronym for Hazard Analysis (at) Critical Control Points, is a quality control program of operating procedures to assure food integrity, quality, and safety. Taking steps necessary to augment food safety practices are both cost effective and relatively simple. While HACCP guidelines go far beyond the scope of this manual, additional information is available by contacting: CENTER FOR FOOD SAFETY AND APPLIED NUTRITION FOOD AND DRUG ADMINISTRATION 1-888-SAFEFOOD INTERNAL FOOD PRODUCT TEMPERATURES HOT FOODS DANGER ZONE 40° TO 140°F (4° TO 60°C) CRITICAL ZONE 70° TO 120°F (21° TO 49°C) SAFE ZONE 140° TO 165°F (60° TO 74°C) COLD FOODS DANGER ZONE ABOVE 40°F (ABOVE 4°C) SAFE ZONE 36°F TO 40°F (2°C TO 4°C) FROZEN FOODS DANGER ZONE ABOVE 32°F (ABOVE 0°C) CRITICAL ZONE 0° TO 32°F (-18° TO 0°C) SAFE ZONE 0°F or below (-18°C or below) TH-II INSTALLATION/OPERATION/SERVICE MANUAL PG. 17 SERVICESERVICE THERMOSTAT/PILOT LIGHT SEQUENCE Whenever the thermostat is turned “ON”, the indicator light will indicate the power ON/OFF condition of the heating cable, and consequently, the cycling of the cabinet as it maintains the dialed cavity temperature. If this light does not illuminate after normal start-up, the main power source, thermostat, and/or light must be checked. If the warming cabinet does not hold the temperature as dialed, the calibration of the thermostat must be checked. If the warming cabinet fails to heat or heats continuously with the thermostat “OFF”, the thermostat must be initially checked for proper operation. If these items are checked and found to be in order, a continuity and resistance check of the heating cable should be made. SEE CIRCUIT DIAGRAM. D A N G E R DISCONNECT UNIT FROM POWER SOURCE BEFORE CLEANING OR SERVICING. THERMOSTAT CALIBRATION The thermostat is precision calibrated at the factory. Normally, no adjustment or recalibration is necessary unless the thermostat has been mishandled in transit, changed or abused while in service. A thermostat with a sensing bulb operates on hydraulic pressure, consequently, any bending of the bulb results in a change in its volume, and alters the accuracy of the thermostat calibration. A thermostat should be checked or recalibrated by placing a quality, thermal indicator at the center of an empty holding cavity. DO NOT CALIBRATE WITH ANY FOOD PRODUCT IN THE CABINET. The thermostat should be set, and should be allowed to stabilize at that setting for a minimum of one hour. Following temperature stabilization, the center of the thermal swing of the air temperature within the cabinet should approximately coincide with the thermostat setting. If calibration is necessary, the calibration screw should be adjusted with great care. The calibration screw of the thermostat is located in the thermostat dial shaft. With the shaft held stationary, a minute, clockwise motion of the calibration screw appreciably lowers the thermostat setting. A reverse, or counter- clockwise motion appreciably raises the thermostat setting. After achieving the desired cycling of the thermostat, the calibration screw must be sealed. Place a few drops of enamel sealant directly on the calibration screw. (Red nail polish or equivalent is acceptable.) PG. 18 TH-II INSTALLATION/OPERATION/SERVICE MANUAL TROUBLESHOOTINGCHECKLISTSERVICETROUBLESHOOTINGCHECKLISTSERVICE TROUBLE POSSIBLE CAUSE REMEDY Unit does not operate. Insufficient electric power unit. Defective plug or cord. Power switch defective. Check power source. Check and repair if necessary. Replace. Cooking temperature not correct. Cook thermostat out of calibration. Calibrate. Holding temperature not correct. Hold thermostat out of calibration. Calibrate. Timer runs down, but oven will not go into HOLD. Timer not de-energizing cook circuit. Replace timer. Cook thermostat erratic — will not hold calibration. Cook thermostat. Replace thermostat. Hold thermostat erratic — will not hold calibration. Hold thermostat. Replace thermostat. Oven goes from cooking temperature to cold. Hold thermostat. Replace hold thermostat. Oven will not go into cook cycle when timer and cook thermostat are ON. Timer or contactor. With timer turned ON, line voltage should appear across terminal 2 and 3 of timer. If not, replace timer. If line voltage does appear across terminal 2 and 3 of timer, it should also appear...
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