Toxalert GVU-CO2 - Manual (Page 4)

TOX-CO
2
/ANA 5/05
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 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
TABLE 2 WIRING CONNECTIONS
GVU-CO2 GVU-1 GVU-3 Expansion
Sensor Board
Power In (+) TB11-24 VAC TB3-H (24VAC)
Power In (–) TB11-24 VAC TB3-N (24VAC)
Relay Contact TB2-1 TB1-A1, B1, C1
Relay Contact 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
5. START-UP
Reference Installation Manual
1.) Verify all wiring connections are correct.
2.) Cover Replacement - Engage the top center of the cover under the latch at the top of the base, then
press the bottom of the cover onto the bottom of the case until it latches.
3.) Apply Power
4.) Green power LED should light
5.) Allow 5 minutes for warm-up
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
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