TVOC MANUAL
Ion Science Ltd
Page 13 of 32
5
Installation
3 Wire System (b)
!WARNING!
Non Intrinsically Safe (Non IS) applications
When the unit is installed with a non IS rated power supply the IS details on the front of the unit are not
appropriate for the system. The IS label should be covered up or blocked out. This will prevent safety
discrepancies and or mis-use in the future should the equipment be moved or the site be re-defined as a
hazardous area.