Corrective Action - Ingersoll Rand Nirvana NVC2000 A400 Manual Del Operador

11.1 INTRODUCTION
Ingersoll Rand Nirvana™ Cycling dryers are designed for reliable, trouble-free operation. In the event of any dryer malfunction, the guide below has
been developed to facilitate problem identification and corrective actions.
A
WARNING
An air dryer always operates under pressure.
procedure that involves disassembly of pipe fittings, valves or any
other components requires the dryer be isolated from the compressed
air stream and fully depressurized.
11.2 PROBLEM / ACTION GUIDE
PROBLEM
Moisture down stream
Moisture down stream
16
11.0 TROUBLESHOOTING
Any maintenance
SYMPTOM(S
)
Dryer is properly cooling air
Condensate drain failure
stream (Check Chiller. Temp
caused by defective service
on controller)
unit.
Excessive flow
Dryer by-pass valve not
closed
Inlet and outlet temperatures
No power to the dryer
are the same.
High suction pressure
Refrigerant leak
Compressor not running and
fan is running
Inlet and outlet temperatures
Compressor and fan not
are the same.
running.
Compressor and fan not
running. Controller indicates
compressor is ON.
Compressor and fan are
Defective Pump
running, exchanger temp
high, pump not running.
Nirvana Cycling Refrigerated Dryer Models 2000-2400
ingersollrandproducts.com
A
WARNING
Prior to working on the unit, make sure that all circuit breakers or
disconnected switches are tagged "Out of Service."
POSSIBLE CAUSE
Replace service unit.
Check inlet and outlet pressure and system
design capacity. Correct cause of excessive flow.
Close by-pass valve
Check power supply and fuses/circuit
breakers
Check and clean condenser.
Check suction pressure gauge if reading is
0 psig, turn dryer off and contact your
distributor
Check and clean condenser.
Check ambient temperature and reduce
below 113°F
Check Chiller Temperature
Check MAIN CONTROL fuse.
Compressor relay may be bad, replace relay
Check for loose wire connections at
contactor or loss of power at control board
Defective control board - replace as
necessary
Contact your local distributor for further
assistance.
Contact your local distributor for further
assistance.

CORRECTIVE ACTION