GE FHV5SGWW Service Manual

Contents

Freezer Model:FHV5SGWW/FHV7SGWW５６MAINTENANCE SERVICE AND TROUBLE SHOOTINGMaintenance Service and Trouble Shooting(6) Humidity measuring instrument: the measurement of relative humidityis wet and dry bulb method. Put the dry bulb thermometer and wet bulbthermometer (enclose 1.5-2 layers of degreased gauze at the temperaturesensing parts of thermometers, and put the bottom end of gauze intodistilled water) under the blowing of wind with the speed of 2.5-3m/s.Record the temperature of dry bulb thermometer, and calculate the relativehumidity using the < table for environmenttest>> GB6999-86.(7) Cooling speedLeave the freezer at test room, room temperature is 32 ℃ , the innertemperature of freezer gets balance with room temperature (temperaturedifference +-1K). Close freezer door and let the freezer runningcontinuously. Record the time needed for storage temperature tm to reachtm(max) in accordance with table 13-3, cooling temperature tm to reach +14℃, and the time the freezing temperature reaches the corresponding starlevel. According to standard, 250L below freezer will not exceed 2h;250L-500L freezers will not exceed 3h.(8) Freezing abilityThe freezing ability of freezer shall not be less than 90% of rated ability.PDF created with pdfFactory trial version www.pdffactory.com