Toxalert GVU-NO2 - Manual (Page 3)

INSTALLATION INSTRUCTIONS
NOTE: Refer to Figure 2 and Tables 1 and 2.
Use shielded cable to interconnect sensor and
control unit if metal conduit is not used, or if
conduit also contains AC wiring.
1.) Measure distance between sensing unit
and control unit and select proper wire
or larger wire from Table 1.
2.) Run wiring between control and
sensing unit and into enclosure through
access holes. Connect wires from terminal
blocks in sensing unit to control unit per
Table 2 and GVU series control unit data
sheet.
TOXALERT INTERNATIONAL, INC., P.O. BOX 159, MOUND, MINNESOTA 55364 (952) 472-4541 FAX (952) 472-4960
Visit our website at www. toxalert. com
Figure 2:
4. START-UP
Reference Installation Manual
1.) Verify all wiring connections are correct.
2.) Electronics replacement - Carefully fit the electronics over the two posts in the enclosure and
tighten the captive panel screws.
3.) Apply Power
4.) Green power indicator should light
5.) Replace Cover
6.) Allow 1 hour to warm-up
TABLE 1
AWG DO NOT EXCEED
#22 Wire 500 Ft. Sensor to Controller
#20 Wire 800 Ft. Sensor to Controller
#18 Wire 1300 Ft. Sensor to Controller
#16 Wire 2000 Ft. Sensor to Controller