Disassembly Of The Integrated Dryer - Ingersoll Rand R4-11 kW Informations D'installation

TROUBLE DISPLAY
„ Disassembly of the Integrated Dryer
The dryer shall be disassembled, charged or repaired by a refrigerant
specialist .
Refrigerant liquid and lubricating oil inside the refrigeration circuit
shall be recovered in compliance with current norm in the country
where the dryer is installed .
Refrigerant leaks may be identified by tripping of the refrigeration
overload protector .
If a leak is detected in the refrigerant circuit, seek technical assistance .
If a refrigerant leak occurs, thoroughly air the room before
commencing work .
In normal temperature and pressure conditions, the R134a refrigerant
is a colorless, class A1/A1 gas with TVL value of 1000 ppm (ASHRAE
classification) .
The temperature control probe is extremely delicate . Do not remove
the probe from its position . In case of any kind of problem, please
contact your local Ingersoll Rand distributor .
80448517 Rev A
RELEASED 16/Dec/2014 10:49:53 GMT
POSSIBLE CAUSE
Ice formation in the evaporator.
Clog.
Air flows continuously through the
condensate drainage.
NOTICE
NOTICE
NOTICE
NOTICE
REMEDY
Check the probe; if the trouble persists, replace it.
Check the electronic control board; if the trouble persists, replace it.
Contact our Service Centre to check the gas charge.
Check if the compressed air inlet/outlet is connected properly.
Check if the connecting tubing is clogged; in case proceed accordingly.
Check if any valves are closed.
Check the condition of any filter.
Drainage solenoid valve jammed, clean or replace it.
Verify the condensate drainage times set on the electronic control
board (C8 and C9).
Check the signal from the control board: if it is continuous, replace the
control board.
Figure 8: Cleaning of Drain Solenoid Valve
EN
EN-17