3-14 | Thermox Series 2000 WDG-IV / IVC / IVCM
Z-Purge Shutdown Procedure
Hot internal parts are above the ignition temperature of combustible
gases. Power must be disconnected from both the sensor and control
unit for 90 minutes while maintaining purge air flow before the door
is opened, unless the area is demonstrated to be nonhazardous. The Z-
purge apparatus provided by Thermox meets NFPA 496 under certain
conditions.
Power must not be restored after the enclosure has been opened until the
enclosure has been purged for 65 minutes at a pressure of 0.4” of water.
CAL GAS INLET
1/4” COMPRESSION FITTING
LIFT-OFF ENCLOSURE - FRONT VIEW
ASPIRATOR AIR INLET
1/4” NPT (F)
CAL GAS INLET PORT
1/4” COMPRESSION FITTING
INSTRUMENT AIR INLET
1/4” NPT (F)
HINGED ENCLOSURE - FRONT VIEW
PURGE AIR INLET
1/4” COMPRESSION FITTING
Figure 3-9. Sensor inlet connections.
To Next Page
Loading...
Need help?
General
