149
5.3 Digital Sensors
Electronics and wiring
PMX High Pressure Switch
Specifications:
Circuit unipolar
State N.C.
Opens at > 32barg (464psig)
Recloses at < 27barg (392psig)
Connections:
Port-Pin by Wire
J10
− 6th NE106
J8
− 13rd 73
Functions:
Pressure Switch
PMX
trips when discharge side pressure
rises over > 32barg (464psig) and A04 Alarm occurs
stopping unit, which automatically restart when pressure
decreases below 27barg (392psig).
Digital Input menu label:
High Pressure Switch
Alarm:
A11 - High Pressure
P1MX Condenser Fan Switch
Specifications:
Circuit unipolar
State N.O.
Closes at
> 22barg (319psig)
Reopens at
< 17barg (247psig)
Connections:
Port-Pin by Wire
J11
− 1st
K5
21
Functions:
Pressure switch P1MX trips when condensing side pressure
rises over 22barg (319psig)
activating second condenser fan until pressure rest over
17barg (247psig)
Digital Input menu label:
NONE
This sensor directly manages condenser fan without CPU
board interaction.
Alarm:
This sensor does not directly trips any alarm, anyway
in case condenser fan which is managed by this switch is
not turning ON when needed, alarm "A11 - High Pressure
alarm" should occur.
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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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