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Ensure the maximum test pressure of your indoor coil.
Under no circumstances
should the testing exceed 450 psig!
The appropriate personal safety protection equipment including gloves and safety
glasses must be worn at all times.
Pressure test the system using dry nitrogen:
1. Secure the pressure gas tank securely to ensure it does not fall over and
damage the regulator or hoses.
2. Install a nitrogen regulator certified for pressures exceeding the test and ensure
the connection nut is adequately torqued.
3. Open the regulator output pressure knob so that it is loose.
Pressure Testing and Evacuation
This procedure is intended for professionals with appropriate certification and
licensing in the jurisdiction that the equipment is installed in. This procedure requires
the use of high-pressure gasses that if incorrectly used can cause injury and death.
