6. Before using refrigerant, ensure that all hot work
in the space is suspended.
7. Use chemical safety goggles or a full face shield
while handling refrigerant.
8. Exercise care to ensure that liquid refrigerant
does not come in contact with your skin.
9. Where available, use a halide monitor with an
alarm to continuously monitor the atmosphere in the
space where refrigerant is used
10. Post a caution sign in the area to read as follows:
No open flame, smoking, or welding. Do not enter
without testing the air for refrigerant.
11. Establish and document emergency rescue
procedures to ensure all personnel can be safely
removed from potentially hazardous exposures.
This chapter has given you some information on the
construction and maintenance of refrigeration and
air-conditioning equipment. A helpful chart for the
detection and correction of operating difficulties was
provided. While the chapter was not intended as a
substitute for information found in the maintenance
manuals, it should help to identify the correct
procedures to safely inspect, repair, maintain, and
troubleshoot refrigeration and air-conditioning systems.
If you have any questions pertaining to performing
r o u t i n e m a i n t e n a n c e o n r e f r i g e r a t i o n a n d
air-conditioning plants, reread this chapter or refer to
your specific manufacturers manual.