Arneg UCA Manuel D'installation Et De Service page 61

e. The following actions are strictly prohibited because of the serious consequences they can cause:
e1. Action:
Risk
e2. Action:
Risk:
e3. Action:
Risk:
e4. Action:
Risk:
e5. Action:
Risk:
e6. Action:
Risk:
e7. Action:
Risk:
e8. Action:
Risk:
e9. Action:
Risk:
e10. Action:
Risk:
e11. Action:
Risk:
e12. Action:
Risk:
e13. Action:
Risk:
e14. Action:
Risk:
e15 Action:
Risk:
f. THE SAFETY VALVES (CSPRS) ARE ONLY INSTALLED IN LIQUID RECEIVERS.
THE COMPRESSOR SECTION IS EQUIPPED WITH A SAFETY PRESSURE SWITCH (SRMCR).
- DO NOT USE MACHINE IF THIS PRESSURE SWITCH IS NOT ADEQUATELY CONNECTED TO
THE ELECTRICAL CIRCUIT.
- IF THE PRESSURE INCREASE IS DUE TO EXTERNAL FACTORS, CHECK THE SUITABILITY AND
EFFECTIVENESS OF THE SAFETY DEVICES.
CODE: 05050532 Edition 02 15-04-2003
05050532 03 11/02/2010
Use and Maintenance of Condensing Units
Closure of compressor drain tap while running.
Explosion of compressor heads.
Closure of exhaust taps while running.
Damage to compressor.
Closure of oil taps.
Damage to compressor.
Turning screws and bolts on compressors and circuits under pressure on the structure.
Structural collapse and leakage of fluids under pressure.
Powering the machine during maintenance.
Danger of electrocution of operators, damage to machine.
Maintenance with power panel open and powered.
Danger of electrocution of operators.
Replacement of safety devices (fuses, overload switches, etc.) with other brands and/or
models.
Damage to users, untimely action, possible loss of coordination of safety devices.
Failure to check tightening torque of screws on terminal boards.
Damage to electric devices. Overheating of contacts.
Voluntary exclusion of the electronic control unit, forcing operation.
Damage to utilities.
Failure to check match of sequence of phases on both the first and second winding, for
compressors with part-winding starter or Scroll type compressors.
Damage to compressors and /or contacts.
Erroneous calibration of timer specific to part-winding starter.
Damage to first winding of compressor, untimely tripping of safety devices.
Opening of shunt boxes with unit powered.
Danger of electrocution.
Errors in calibration of pressure switches.
Damage to parts of unit, danger of explosion.
Contact of operator's body with parts of units marked with danger warning signs
Electrocution, burns, injuries.
Adding utilities.
Ascertain the refrigerating power supplied by the compressor.
Technical Manual
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