Gvu series products – Toxalert GVU-NO2 User Manual
Page 4

GVU-NO
2
5/07
TOXALERT INTERNATIONAL, INC.,
P.O. BOX 159, MOUND, MINNESOTA 55364 (952) 472-4541 FAX (952) 472-4960
Visit our website at www. toxalert. com
TABLE 2
WIRING CONNECTIONS
GVU-NO
2
CONTROL UNITS
SENSOR
GVU-1
GVU-3
J2-1
TB11-24 VDC (+)
TB3-H (+24VDC
J2-3
TB11-24 VDC (–)
TB3-N (–24VDC)
J3-1
TB2-1
TB1-A1, B1, C1
J3-3
TB2-7
TB1-A7, B7, C7
**
TB2-5
TB1-A5, B5, C5
** Shield of cable (if used) should be connected at control unit only. Make sure
sensor end is taped and isolated from terminals or metal
GVU SERIES PRODUCTS:
CONTROLLERS -
GVU-1
Control unit for use with one sensor
GVU-3
Control unit for use with one to three remote sensors
GVU-6
Control unit for use with one to six remote sensors
GVU-12
Control unit for use with one to twelve remote sensors
GVU-18
Control unit for use with one to eighteen remote sensors
REMOTE SENSORS -
GVU-CO
Remote carbon monoxide sensor
GVU-CO
2
Remote carbon dioxide sensor
GVU-NO
2
Remote nitrogen dioxide sensor
GVU-VOC
Remote smoke/air quality sensor