6. Before using refrigerant, ensure that all hot workin the space is suspended.7. Use chemical safety goggles or a full face shieldwhile handling refrigerant.8. Exercise care to ensure that liquid refrigerantdoes not come in contact with your skin.9. Where available, use a halide monitor with analarm to continuously monitor the atmosphere in thespace where refrigerant is used10. Post a caution sign in the area to read as follows:CAUTIONNo open flame, smoking, or welding. Do not enterwithout testing the air for refrigerant.11. Establish and document emergency rescueprocedures to ensure all personnel can be safelyremoved from potentially hazardous exposures.SUMMARYThis chapter has given you some information on theconstruction and maintenance of refrigeration andair-conditioning equipment. A helpful chart for thedetection and correction of operating difficulties wasprovided. While the chapter was not intended as asubstitute for information found in the maintenancemanuals, it should help to identify the correctprocedures to safely inspect, repair, maintain, andtroubleshoot refrigeration and air-conditioning systems.If you have any questions pertaining to performingr 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 dair-conditioning plants, reread this chapter or refer toyour specific manufacturer’s manual.5-17
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business