Trane 09CH-FIXED-A1, Service Manual, Page: 24 / 50

Warning
Before doing the trial operation after finishing the maintenance, it is a must to use a practical leak
detector to inspect the leakage and reliability of ground connection in order to ensure that no refrigerant
leakage and reliable ground connection.
The refrigerant storage tanks should be separately placed in a well-ventilated place at the
temperature ranging from -10
℃
to 50
℃
and label them with warning labels.
9). Emergency Accident Handling
A maintenance station should establish emergency handling plans. It is necessary to take appropriate
precautionary measures in work. For example, it is prohibited to enter the location with any kindling material
and it is prohibited to wear clothing or shoes which easily produce static.
Handling suggestions when a large amount of combustible refrigerant leaks:

It is necessary to immediately operate the ventilating equipment while cutting off other power supply
and evacuating the affected personnel urgently from the location.

It is necessary to inform near residents of evacuating for over 20 meters from the location, make an
alarm call, set the emergency area and prohibit irrelevant personnel and vehicles from approaching.

The professional firefighters should wear anti-static clothing to handle the emergency on the site and
cut off the source of leak.

It is necessary to use nitrogen for blowing the site, especially the low-lying positions, clear away the
residual combustible refrigerant gas from any area nearby and surrounding the leak point and use a
handheld detector for detection and not clear the alarm until the concentration of refrigerant is zero.
Air Conditioner Service Manual
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