Disassembling The Unit; Refrigerant Leaks In The Refrigeration Circuit; Refrigerant Charging; Characteristics Of Refrigerant R134A - Ingersoll Rand UP5 4 Instalación, Operación Y Mantenimiento

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71113.13.16

dISASSEMBLING THE UNIT

The unit has been designed and constructed to guarantee
continuous operation .
The long service life of some components such as the fan and
compressor depends on good maintenance .
The unit must only be disassembled by a refrigerant
specialist .
Refrigerant liquid, refrigeration components and lubricating
oil inside the refrigeration circuit must be recovered in
compliance with current norms in the country where the
machine is installed .
RECyCLING dISASSEMBLy
Frame and panels
Heat exchanger (cooler) Stainless steel
Pipes
Insulation
Compressor
Condenser
Refrigerant
Valve
REFRIGERANT LEAKS IN THE REFRIGERATION
CIRCUIT
The unit is despatched in perfect working order, already
charged .
Refrigerant leaks may be identified by tripping of the
refrigeration overload protector .
IF A LEAK IS dETECTEd IN THE REFRIGERANT CIRCUIT, SEEK TECHNICAL
ASSISTANCE .

REFRIGERANT CHARGING

This operation must only be performed by a refrigerant
specialist .
wHEN REPAIRING THE REFRIGERANT CIRCUIT, COLLECT ALL
THE REFRIGERANT IN A CONTAINER ANd dISPOSE OF IT IN THE
APPROPRIATE MANNER .

CHARACTERISTICS OF REFRIGERANT R134A

In normal temperature and pressure conditions the above
refrigerant is a colorless, class A1/A1 gas with TVL value of
1000ppm (ASHRAE classification) .
If a refrigerant leak occurs, thoroughly air the room before
commencing work .
14

MAINTENANCE

Steel / epoxy resin polyester
Copper
Gum synthetic
Steel / copper / aluminium / oil
Aluminium
R134a
Steel

TROUBLESHOOTING

TROUBLE
CAUSE
Solenoid
1 . Debris in
condensate
solenoid valve
valve will not
prevents
close
diaphragm from
seating .
2 . Short in
electrical
components .
Drain timer will
1 . No electrical
not operate
supply .
2 . Timer
malfunction .
3 . Clogged port .
4 . Solenoid valve
malfunction .
5 . Clogged
strainer .
MAINTENANCE
Periodically clean the screen inside the valve to keep the
drain functioning at maximum capacity . To do this, perform
the following steps:
1)
Close the strainer ball valve completely to isolate it
from the air receiver tank .
2)
Press the TEST button on the timer to vent the pressure
remaining in the valve . Repeat until all pressure is
removed .
High pressure air can cause injury from flying debris .
Ensure the strainer ball valve is completely closed and
pressure is released from the valve prior to cleaning .
3)
Remove the plug from the strainer with a suitable
wrench . If you hear air escaping from the cleaning port,
STOP IMMEDIATELY and repeat steps I and 2 .
4)
Remove the stainless steel filter screen and clean it .
Remove any debris that may be in the strainer body
before replacing the filter screen .
5)
Replace plug and tighten with wrench .
6)
When putting the Electric Drain Valve back into service,
press the TEST button to confirm proper function .
ACTION
1 . Remove solenoid
valve, disassemble,
clean and
reassemble .
2 . Check and
replace power cord
or timer as needed .
1 . Apply power .
2 . Replace timer .
3 . Clean valve .
4 . Replace solenoid
valve .
5 . Clean strainer .
CAUTION
80447113 Rev.A

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