SYSTEM DETAILS
Jet Spray (Cold) Training Manual
3.REFRIGERATION
3.1 Cooling Thermostat
There is one thermostat on all of the cold product units. This thermostat is located against the evaporator coil of the unit. On the JT20 and JT30 units the thermostat is mounted against the right hand evaporator coil when facing the front of the unit.
The cooling or frost pattern for the JT30 flows from the center to the left then to the right. Upon reaching a predetermined temperature, the unit will cycle. All ther- mostats are factory set and normally need no adjustment.
3.2 Compressor
Moves the refrigerant through the system. Pressurizes the refrigerant for heat dissi- pation in the condenser and ultimately heat removal by evaporation in the bowl’s evaporator.
3.3 Condenser
Dissipates heat from the compressor and prepares the high pressure refrigerant for the capillary tube and ultimately the evaporator.
3.4 Condenser Cleaning
It is very important to do this on an annual basis and as required. The condenser can be cleaned with a brush or compressed air. There are commercial condenser cleaners on the market that are acceptable.
3.5 Filter Replacement
The Jet Spray unit comes with a foam type filter mounted on the inside of the side panel assembly. JT30 models have a filter mounted inside the rear panel of the chassis. These filters should be periodically removed and washed in warm soapy solution to remove dust and derbies.
3.6 Condenser Fan
Draws air through the condenser coils and over the compressor to facilitate heat removal.
3.7 Dryer
Cleans and removes moisture from the refrigeration system. The dryer should always be replaced whenever servicing or opening a refrigeration system. When ordering a dryer, specify model number and refrigerant type (or serial number) to insure the correct dryer is received.
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