Trouble Shooting - Ingersoll Rand SSR UP6 40 Manuel D'utilisation Et D'entretien

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TROUBLE SHOOTING

PROBLEM CAUSE
Compressor trips due to Compressor operating above rated pressure.
over temperature over temperature
Package pre–filter blocked.
Cooler blocked.
Missing or incorrectly fitted enclosure panels
Low coolant level.
High ambient temperature.
Restricted cooling air flow.
Excessive coolant Separator cartridge leak.
consumption consumption
Blocked separator cartridge drain.
Compressor operating below rated pressure.
Coolant system leak.
Excessive noise level Air system leaks.
Airend defective.
Drive belt slipping.
Motor defective.
Loose components.
Shaft seal leaking Defective shaft seal.
Pressure relief valve Defective switch or incorrect pressure switch setting.
opens opens
Minimum pressure valve malfunction.
Load solenoid valve defective.
Blowdown valve defective.
Inlet valve malfunction.
Black residue on belt Drive belt slipping.
guard/cooler box guard/cooler box
Pulleys misaligned.
Worn pulleys.
Gas strut failed.
DRYER OPTION
High Dew Point Dryer compressor or fan failed.
(Indicator Red) (Indicator Red)
Low refrigerant charge.
High pressure switch tripped.
Low Dew Point HGBV out of adjustment / defective.
(Indicator Blue)
OR Compressor runs
unloaded with no
system pressure
Water Down stream of Restricted / defective drain valve.
dryer (Indicator OK)
NOTES:
§ Must be carried out by a competent electrician.
† This work is recommended to be carried out only by an Ingersoll Rand authorized service technician.
SSR UP6 40, SSR UP6 50PE, SSR UP6 50PEI, HF50–PE,
EP50–PE, HP50–PE, HXP50–PE
REMEDY
Set pressure to correct rating for machine.
Clean / replace package pre–filter.
Clean cooler.
Ensure that all enclosure panels are correctly fitted
Top up coolant and check for leaks.
Re–site compressor.
Ensure correct air flow to compressor.
Fit new Separator cartridge.
† Remove fittings and clean.
Set pressure to correct rating for machine.
† Fix leaks.
† Fix leaks.
† Change Airend.
Replace belt and tensioner.
† Replace motor.
† Retighten loose items.
† Fit Airend shaft seal kit.
Replace or set pressure to correct rating for machine.
† Fit Minimum pressure valve service kit.
† Fit load solenoid service kit.
† Fit blowdown solenoid service kit.
† Fit inlet valve service kit.
Replace belt and tensioner.
Re–align pulleys.
† Replace pulleys and belt.
Replace belt and tensioner.
Check electrical supply and repair as required.
Check for leaks.
Check condenser coil for debris. Check fan operation.
Clean / repair as required. Reset manual switch.
Adjust valve or replace as required.
Never adjust thermal expansion valve. It has been
factory set
Clean / replace drain valve.
Clean / replace condensate check valves.