Why CO Is Deadly in Boiler Rooms, Generator Rooms, and Parking Garages
Carbon monoxide (CO) is invisible and odorless—completely undetectable by human senses—making it especially dangerous in spaces with constant combustion-based equipment such as boiler rooms, generator rooms, and underground parking facilities. Without a fixed CO detector, nobody knows until concentrations reach lethal levels. The WANDI FIX800 continuously monitors CO alongside 4 other gases to protect workers and facilities around the clock.
CO Concentration and Human Health Effects
| CO Level (ppm) | Exposure | Health Effect | FIX800 Status |
|---|---|---|---|
| 25 | — | KOSHA 1st alarm threshold | 1st alarm triggered |
| 50 | 8 hours | Headache onset | 2nd alarm triggered |
| 200 | 2–3 hours | Severe headache, impaired judgment | High danger alarm |
| 400–800 | <1 hour | Loss of consciousness, convulsions | Immediate evacuation needed |
| 1,600+ | <20 min | Death | Extreme emergency |
※ Source: NIOSH, KOSHA Industrial Health Standards (2023)
Real Incident: Mass CO Poisoning Without Fixed Detector
Case — 2022 Generator Room CO Poisoning, Chungnam
In 2022, CO leaking from a generator operating overnight in a pig farm's generator room in South Chungcheong Province caused CO levels inside to skyrocket. Two workers who entered in the early morning for inspection lost consciousness, and one was left in critical condition. If a fixed CO detector and auto-ventilation interlock had been in place, the alarm would have triggered overnight and the situation could have been addressed before anyone entered. (Source: Ministry of Employment and Labor Serious Disaster Investigation Report, 2022)
WANDI FIX800 — Fixed 5-Gas CO Detector
FIX800's 5-Gas Simultaneous Monitoring
A single FIX800 unit continuously monitors up to CO, O₂, EX (LEL), H₂S, and CO₂ simultaneously. Spaces where CO is generated—such as boiler and generator rooms—are also prone to oxygen deficiency, making 5-gas integrated monitoring essential for worker safety.
Accident Prevention Scenario with the FIX800
- 124/7 Continuous Monitoring: FIX800 tracks CO levels in real time even while generators operate overnight
- 225 ppm First Alarm: Onsite warning lights and siren activate; remote alert sent to supervisor
- 3Auto-Ventilation Interlock: Alarm triggers automatic ventilation fan to dilute CO concentration
- 4FIX-DS Display: CO concentration shown in real time on exterior board; workers confirm safety before entry
FIX800 CO Measurement Specifications
| Item | Specification |
|---|---|
| CO Range | 0–1,000 ppm |
| Alarm Thresholds | 1st: 25 ppm / 2nd: 50 ppm (adjustable) |
| Sensor Type | Electrochemical (high sensitivity, ~2-year life) |
| Simultaneous Gases | Up to 5 (CO, O₂, EX, H₂S, CO₂) |
| Alarm Output | LED warning light, siren, relay output |
| Ventilation Interlock | Auto-fan activation via relay output |
| Display Board | FIX-DS gas concentration display compatible |