43
3.2 Operations
Cooling Circuit
Individual Protection Devices
Goggles
Gloves
(a)
Access from unit cover door.
(b)
Open all unit valves (shut-off and solenoid ones).
(c)
Connect refrigeration mani- fold
to
LP
and
HPL
.
CAUTION
!
More connection
points should reduce vacuum time
and increase vacuum quality.
(d)
Recover refrigerant.
RECYCLABLE Waste according local
dispositions.
(e)
Connect vacuum pump and start vacuum.
CAUTION
!
Ensure that all solenoid and shut-off valves are opened.
(f)
Wait that pressure decrease reaching a medium vacuum value of 0.65mBar, 500 MICRON , 66Pa or 0.0094psi inside
cooling circuit.
CAUTION
!
Usually a good vacuum requires 8 hours.
(g)
Close vacuum pump valve.
(h)
After evacuating end, observe a waiting time of some hours to check vacuum pressure.
a. In case of pressure rising, start Leak Search Procedure 3.2.5.2
b. In case of constant pressure, start refrigerant Charge
3.2.4
Refrigerant Charge
Individual Protection Devices
Goggles
Gloves
Содержание un0 060
Страница 1: ...0MAN295 USA WORKSHOPMANUAL un0...
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Страница 17: ...Section1 Generalinformation...
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Страница 31: ...Section2 Descriptionoftheunit...
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Страница 37: ...26 Description of the unit 2 1 Condensing unit Under Mount Discharge line Suction line Heat defrost line...
Страница 45: ...34 Description of the unit 2 2 Evaporating section...
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Страница 47: ...Section3 CoolingCircuit...
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Страница 95: ...Section4 DieselEngine...
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Страница 98: ...87 4 1 Belts Diesel Engine 4 Diesel Engine 4 1 Belts Individual Protection Devices Googles Gloves Proper tools...
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Страница 131: ...Section5 ElectronicsandWirings...
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Страница 146: ...135 5 2 Electronic Boards Electronics and wiring 5 2 Electronic Boards CPU board...
Страница 150: ...139 5 2 Electronic Boards Electronics and wiring Relay Board...
Страница 155: ...144 Electronics and wiring 5 2 Electronic Boards Low Voltage Wirings...
Страница 156: ...145 5 2 Electronic Boards Electronics and wiring High Voltage Wirings...
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Страница 179: ...Section6 Alarms Troubleshooting...
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Страница 183: ...172 Alarms Troubleshooting 6 1 StandardAlarms A04 Low Pressure Switch...
Страница 184: ...173 6 1 StandardAlarms Alarms Troubleshooting A07 Water Temperature A08 Door Microswitch...
Страница 185: ...174 Alarms Troubleshooting 6 1 StandardAlarms A10 Oil Pressure...
Страница 186: ...175 6 1 StandardAlarms Alarms Troubleshooting A11 High Pressure...
Страница 187: ...176 Alarms Troubleshooting 6 1 StandardAlarms A14 Net compressor high temperature A15 Low Battery...
Страница 188: ...177 6 1 StandardAlarms Alarms Troubleshooting A16 Engine Failure...
Страница 189: ...178 Alarms Troubleshooting 6 1 StandardAlarms A17 Alternator Failure...
Страница 190: ...179 6 1 StandardAlarms Alarms Troubleshooting A18 Water sensor error...
Страница 193: ...182 Alarms Troubleshooting 6 3 Troubleshooting 6 3 Troubleshooting Condenser fan is not running...
Страница 194: ...183 6 3 Troubleshooting Alarms Troubleshooting Evaporator fan is not running F20 Fuse blows often...
Страница 195: ...184 Alarms Troubleshooting 6 3 Troubleshooting Unit does not start after blackout...
Страница 196: ...185 6 3 Troubleshooting Alarms Troubleshooting Unit not performing...
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Страница 199: ...Annex1 Parameters...
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