JAVAC COLT 18V A2L/A3 Safety Instructions & Operation Manual page 5

EN
7.0 A3 OPERATION
Vacuum Equipment and preparation
1. 3 metre safety exclusion zone barriers.
2. Dry powder fire extinguisher.
3. A3 Certified leak detector. (Gas Mate or Profind + )
4. CareAir EX N rated fan with 5 metre power lead.
5. A personal A3 Gas monitor.
6. JAVAC Or JAVAC EDGE A2L (A3) Rated Vacuum pump.
• Before the Vacuum pump is operated use an A3/ATEX Rated JAVAC Leak detector
(Gas Mate or Profind + ) around the pipework and system to be evacuated to test for any
Hydrocarbon refrigerants present.
• Using barriers create a 3m exclusion zone.
• A Personal A3 Gas monitor should be warn at all times.
• If Hydrocarbons are detected do not operate the vacuum pump.
• If the area is completely clear of Hydrocarbons or any flammable gasses please proceed with
the following Evacuation process.
• It is essential that Oxygen free nitrogen is purged through the Pipework and exhausted
to outdoor area before the vacuum pump is connected clearing the pipework of any potential
Flammable gasses.
• It is essential that throughout the full evacuation process the CareAir EX N Fan is within the
3m Exclusion Zone and turned on to circulate fresh air and disperse any potential flammable
gases in the atmosphere.
• Connect the Vacuum pump to the System via a 1/4 or 3/8th Suitable Vacuum hose and step
outside of the 3m exclusion Zone.
• Locate the vacuum pump inside the 3 metre safety zone.
• Switch the vacuum pump ON at the pump.
• After evacuation and prior to re-charging the system with HFO, electrically isolate the
vacuum pump
• Remove the pump from the 3 metre safety zone.
* The JAVAC Range of A2L (A3) Vacuum pumps must only be used by
F-Gas qualified Engineers.
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