Follett EREF4-00000 Руководство по установке, эксплуатации и обслуживанию - Страница 13
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Checking Refrigeration System Pressures
1. Remove the rear access panel (Fig. 11).
2. Turn the power switch to the on position.
3. Following the instructions on page 6, verify that the temperature controller is set to the original factory
cut-in setting of 6 C.
4. Allow the refrigerator to operate and stabilize at least 30 minutes, verifying the cut-out temperature is being
reached.
5. Connect refrigerant hoses to access fittings and measure air temperature at condenser intake grille.
6. Verify correct pressures with the temperature chart below.
7. Troubleshoot refrigeration system as needed.
Condenser inlet air temperature (C)
Discharge pressure (bar)
Suction pressure (bar)
Note: Do not attempt to obtain correct refrigeration pressures by adjusting the system charge.
Refrigeration System Diagram
CAPILLARY TUBE
FILTER-DRIER
20.2
EVAPORATOR
LOW SIDE
SERVICE PORT
COMPRESSOR
HIGH SIDE
SERVICE PORT
20
26
20.5
2.7
2.8
CONDENSER
32
38
22.5
23.5
2.9
3.1
HIGH PRESSURE VAPOR
HIGH PRESSURE LIQUID
LOW PRESSURE LIQUID
LOW PRESSURE VAPOR
EREF Refrigerator
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