Delta Faucet NANOTRACE DF-745 - Manual (Page 98)

94 Appendix B – Hydrogen Service Safety System
THIS ENCLOSURE IS PROTECTED BY PURGING
BE NON-HAZARDOUS OR UNLESS ALL DEVICES WITHIN HAVE BEEN DEENERGIZED. AFTER ENCLOSURE HAS BEEN OPENED POWER SHALL NOT BE RESTORED UNTIL THE ENCLOSURE HAS BEEN PURGED FOR ENCLOSURE SHALL NOT BE OPENED UNLESS THE AREA IS KNOWN TO 15 MINUTES AT 30 SCFH.
ENCLOSURE IS PROTECTED sampling combustible gas mixtures, enclosure must be purged with an inert gas (nitrogen perferred). Purge applying electrical power. Set purge
BY A PURGE SYSTEM
For explosion protection while purge flow drops below 26 scfh. will be cut by the safety interlock if enclosure for flow rate to
before
Pump power
PURGE VENT 1/4" COMPRESSION PUMP OUTLET 1/4" COMPRESSION PUMP INLET 1/4" COMPRESSION
AC STRAIN RELIEF FOR PUMP POWER
Ш
.44[
Ш
11.18]
4 PL
PUMP INLET
& OUTLET
1/4" COMPRESSION
PURGE VENT 1/4" COMPRESSION
6.12 [155.37]
6.92 [175.76]
5.31 [134.99]
3.48 [88.51]
(2.68 [68.12])
4.85 [123.29]
12.00 [304.80]
3.75 [95.25]
5.50 [139.80]
11.60 [294.75]
4.72 [119.81]
1.25 [31.75]
14.00 [355.60]
1.00 [25.40] .63 [15.88]
12.00 [304.80]
14.50 [368.30]
13.25 [336.42]
1.25 [31.75]
2 PL
16.68 [423.72]
7.00 [177.80]
7.55 [191.77]
Figure 86: Pump Purge Option