Disassembling The Unit; Refrigerant Leaks In The Refrigeration Circuit; Refrigerant Charging; Characteristics Of Refrigerant R134A - Ingersoll Rand SSR UP5-4 Manuel D'utilisation Et D'entretien

OPeRATIOn AnD MAInTenAnCe MAnUAL

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 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 1000 ppm (ASHRAE classification).
If a refrigerant leak occurs, thoroughly air the room
before commencing work.
http://air.ingersollrand.com
Steel / epoxy resin polyester
Copper
Gum synthetic
Steel / copper / aluminium
/ oil
Aluminium
R1a
Steel

TROUBLeSHOOTInG

TROUBLe CAUSe
Solenoid
Debris in solenoid
condensate
valve prevents
valve will
diaphragm from
not close. seating.
Short in electrical
component.
Drain timer
No electrical supply. Apply power.
will not
Timer malfunction
operate.
Clogged port.
Solenoid valve
malfunction.
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.
CAUTIOn
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.
. Remove the plug from the strainer with a
suitable wrench. If you hear air escaping from
the cleaning port, STOP IMMEDIATELY and repeat
steps 1 and 2.
. 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.
. When putting the Electric Drain Valve back into
service, press the TEST button to confirm proper
function.
MAInTenAnCe
ACTIOn
Remove
solenoid valve,
disassemble,
clean and
reassemble.
Check and
replace power
cord or timer as
needed.
Replace timer.
Clean valve.
Replace
solenoid valve.
Clean strainer.
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