Manual

Tox Refrig/ANA Revised 8/03TM
SAMPLE GUIDE SPECIFICATIONS
Provide a refrigerant leak detection sensor(s) to monitor for R-xxx refrigerant leaks. The sensing element shall be
solid state metal oxide semiconductor type and have a typical life of at least 4 years. The sensor shall be powered
by 24 vdc and have a 4 to 20 mA output signal.
The sensor shall be housed in an industrial style, explosion proof housing and have explosion proof conduit
connections to the housing to maintain system integrity.
NOTE:
1. Refrigerant R744 is Carbon Dioxide (CO
2
) - Use a Toxalert CO220 sensor which has both a digital and a 4
to 20 mA output. See catalog section 3.
2. Refrigerant R717 is Ammonia (NH
3
) - Use a Toxalert Tox-NH
3
/ANA sensor which as a 4 to 20 mA output.
See catalog section 6.
3. Refrigerant R764 is Sulfur Dioxide (SO
2
) - Use a Toxalert Tox-SO
2
/ANA sensor which has a 4 to 20 mA
output. See catalog section 6.
How to order
R-11 = Tox-Rfg/1/M/A R-113 = Tox-Rfg/1/R/A
R-12 = Tox-Rfg/1/N/A R-142b = Tox-Rfg/1/S/A
R-22 = Rox-Rfg/1/O/A R-152a = Tox-Rfg/1/T/A
R-123 = Tox-Rfg/1/P/A R-500 = Tox-Rfg/1/U/A
R-134a = Tox-Rfg/1/Q/A R-502 = Tox-Rfg/1/V/A
* For other refrigerants consult factory *
TOXALERT INTERNATIONAL, Inc., PO Box 159, Mound, MN. 55364 PHONE: [phone] • FAX: [phone]
www.toxalert.com