KIRLOSKAR CHILLERS PRIVATE LIMITED
A Kirloskar Group Company IOM-KAC-ENG - Page 3
Pressure Test
USE ONLY DRY NITROGEN for pressure test. Use a regulating valve between the
Nitrogen cylinder and the system to regulate the pressure.
DO NOT USE OXYGEN or ACETYLENE to pressurize the refrigeration system.
Oxygen may react with oil and form an explosive chemical compound. Acetylene is an
explosive gas.
HANDLE THE CYLINDERS carefully. Do not drop the cylinder.
NEVER EXCEED specified TEST PRESSURE; verify the allowable test pressure by
checking the equipment nameplate. Contact Kirloskar Chillers if in doubt for further
details.
Refrigerant
Refrigerant R-134a, R-407C, R-410A is generally considered chemically non-toxic and
non-inflammable; however, any refrigerant vapor UNDER PRESSURE CAN BE
HAZARDOUS. AVOID SPILLING liquid refrigerant on skin or getting it into the eyes.
USE SAFETY GOGGLES. A sudden release of refrigerant liquid sprayed on the skin can
cause serious damage to skin tissues. Keep eyes and exposed skin areas away from any
potential refrigerant discharge. If such refrigerant burn occurs flush it immediately with
cold water, apply ice packs. If liquid refrigerant enters the eyes, IMMEDIATELY
FLUSH EYES with water. Consult a physician immediately.
DO NOT VENT refrigerant directly within the plant room. Refrigerant must be vented to
outdoor. The accumulation of refrigerant in an enclosed space can displace Oxygen and
cause asphyxiation. Also, PROVIDE adequate VENTILATION for enclosed plant room.
DO NOT WELD or FLAMECUT any refrigerant line or vessel until complete refrigerant
has been removed from chiller. Traces of vapor should be displaced with dry Nitrogen
and the work area should be well ventilated. Refrigerant in contact with an open flame
produces toxic gases.
CHECK THE REFRIGERANT TYPE before adding refrigerant to the chiller package.
Usage of wrong refrigerant can cause damage to OR malfunction of chiller package.
Contact KCPL for further information for using other refrigerant in the chiller package.
NEVER HEAT refrigerant cylinder WITH AN OPEN FLAME, to remove the refrigerant
vapor. When it is necessary to heat the refrigerant cylinder, use only warm water {43C
(109.4F) maximum}.
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