User guide

Application Guide | Gas detection in refrigeration systems
© Danfoss | DCS (MWA) | 2018.05 DKRCI.PA.S00.A1.02 | 520H12772 17
DANFOSS recommendations for alarm levels:
ANSI/IIAR 2-2014
Comply with: ANSI/IIAR 2-2014
Sensor type
LEVEL
I
Personal safety
(occupational)
( TWA-values)
Sensor type
LEVEL
II
(main-alarm)
Sensor type
LEVEL
III
(deenergize
main
components)
[ppm] [ppm] [ppm]
Ammonia R717
Machinery rooms EC 25 EC 150 P 30000
Safety valves -
vent line
– SC 9000
Danfoss recommendations
for alarm levels
(Continued)