Bras Is-Cream, Руководство по обслуживанию

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15 REFRIGERATOR CIRCUIT MAINTENANCE
15. 1 LOCATING GAS LEAKS
The following is the recommended method for the systematic inspection of the refrigerator circuit when trying to identify the source
of a gas leak.
Where the copper tube is protected by an insulation grip, the leak can be detected from both ends of each individual grip.
figure 14
Referring to figure 3, proceed as follows:
1
Begin the inspection at the “High Pressure” zone (discharge) of the compressor. Check around the seals.
2
Follow the copper pipes to the condenser and check the sealed connections at the condenser entrance and exit.
3
Also check the curves of the pipes on both sides of the condenser.
4
Follow the copper pipes to the evaporator, checking around the sealed connections on the dehydrator filter and the
electrovalves.
5
Disassemble the gear motors and check the evaporator capillary tube entry and the suction line outlet.
6
Check the copper pipes up to the compressor.
7
Inspect the “Low Pressure” zone of the compressor, checking the connections on the suction and inlet pipes.
8
Once the leak has been identified, seal it and charge with gas according to the instructions below.
15. 2 HOW TO EMPTY THE CIRCUIT
1
Remove all the machine’s panels.
2
Remove the cap from the “Charge” pipe valve on the compressor.
3
Connect the compressor “Charge” tube to the “Low” filling unit on the “pressure Gauge” (see figure).
IMPORTANT
When using the leak detector, always direct the sensor towards the bottom of
the copper tubes. The refrigerant gas is heavier than air.
A High pressure (discharge)
B Low pressure (suction)
1 Compressor
2 Condenser
3 Fan
4 Filter
5 Solenoid valve ice cream cylin-
der
6 Solenoid valve upper tank
7 Upper tank
8 Ice cream cylinder
9 Accumulator
IMPORTANT
Incorrect adjustment of the Production Parameters may compromise the opera-
tion of the machine.