Macurco DVP-120B User Instructions page 51

• Group 2 in each zone
• Group 3 in each zone
• Group 4 in each zone
• Group 5 in each zone
• Group 6 in each zone
• Group 7 in each zone
• Group 8 in each zone
• Group 9 in each zone
Carbon
Description
Monoxide
Type CO
Range 200ppm
Alarm Level 200ppm
Warning
100ppm
Level
Rising Level 35ppm
Falling Level 15ppm
Typical coverage for CO, CO
gases (see the User Instructions for each sensor type for location and coverage details). Extra sensors may be needed near areas where
people work, such as toll booths. Macurco provides only the control panels and sensors. Fans, relays, and other devices are provided by
the contractor. See the appropriate building code for the size of fans and air changes per unit of time.
Type 2 NO , Voting mode, Quorum = 1
2
Type 3 EX, Voting mode, Quorum = 1
Type 4 NH , Voting mode, Quorum = 1
3
Type 5 H S, Voting mode, Quorum = 1
2
Type 6 REF, Voting mode, Quorum = 1
(currently unused)
Type 8 O , Voting mode, Quorum = 1
2
Type 9 CO , Voting mode, Quorum = 1
2
Nitrogen Combustible
Dioxide Gas
NO EX
2
20ppm 50% LEL
5ppm 20% LEL
3ppm 15% LEL
2.5ppm 10% LEL
1.2ppm 5% LEL
and NO sensors is 5,000 sq. ft. (464.5 sq. m), 900 sq. ft. (83.6 sq. m) for combustibles and other toxic
2 2
Figure A-1 System Wiring Diagram
Hydrogen
Ammonia
Sulfide
NH H S
3 2
100ppm 50ppm
75ppm 20ppm
50ppm 14ppm
25ppm 8ppm
10ppm 3ppm
51
Carbon
Refrigerants
Dioxide
REF CO
2
1000ppm 5,000ppm
300ppm 4,000ppm
200ppm 1,500ppm
100ppm 1,000ppm
50ppm 800ppm
Oxygen
O
2
25% v/v
19.5% v/v
20.0% v/v
20.3% v/v
20.6% v/v