Ingersoll-Rand 80445364 manual Recycling Disassembly

36 MAINTENANCE

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	Steel / epoxy resin polyester
Heat exchanger (cooler)	Stainless steel
Pipes	Copper
Insulation	Gum synthetic
Compressor	Steel / copper / aluminium / oil
Condenser	Aluminium
Refrigerant	R134a
Valve	Steel

REFRIGERANT LEAKS IN THE REFRIGERATION CIRCUIT

The unit is despatched in perfect working order, already charged.

Refrigerant leaks may be identi￿ed 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

classi￿cation).

If a refrigerant leak occurs, thoroughly air the room before commencing work.

TROUBLESHOOTING

TROUBLE	CAUSE		ACTION
Solenoid	1.	Debris in solenoid	1.	Remove solenoid
condensate	valve prevents		valve, disassemble,
valve will not	diaphragm from		clean and reassemble .
close.	seating.
	2.	Short in electrical	2.	Check and replace
	component.		power cord or timer as
			needed.
Drain timer will	1.	No electrical	1.	Apply power.
not operate.	supply.
	2.	Timer malfunction	2.	Replace timer.
	3.	Clogged port.	3.	Clean valve.
	4	Solenoid valve	4.	Replace solenoid
	malfunction.		valve.
	5.	Clogged strainer.	5.	Clean 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.

3.Remove the plug from the strainer with a suitable wrench. If you hear

air escaping from the cleaning port,	STOP IMMEDIATEL Y and repeat
steps I and 2.
4. Remove the stainless steel ￿lter	screen and clean it. Remove any

debris that may be in the strainer body before replacing the ￿lter screen. 5. Replace plug and tighten with wrench.

6.When putting the Electric Drain Valve back into service, press the TEST button to con￿rm proper function.

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