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IX800 Operation & Service Manual
• Do not use this heater for heating human living quarters.
Use of direct-fired heaters in the construction environment can result in
exposure to levels of CO, CO2, and NO2 considered to be hazardous to
health and potentially life threatening.
• Do not use in unventilated areas.
• Know the signs of CO and CO2 poisoning.
- Headaches, stinging eyes
- Dizziness, disorientation
- Difficulty breathing, feels of being suffocated
• Proper ventilation air exchange (OSHA 29 CFR 1926.57 )to support combustion and
maintain acceptable air quality shall be provided in accordance with OSHA 29 CFR Part
1926.154, ANSI A10.10 Safety Requirements for Temporary and Portable Space Heating
Devices and Equipment used in the Construction Industry or the Natural Gas and Propane
Installation Codes CSA B149.1.
- Periodically monitor levels of CO, CO2 and NO2 existing at the
construction site - at the minimum at the start of the shift and after 4
hours
- Provide ventilation air exchange, either natural or mechanical,
as required to maintain acceptable indoor air quality
USA 8-Hr Time weighted average
(OSHA 29 CFR 1926.55 App A)
CO
50 ppm
CO2
5000 ppm
NO2
USA - Ceiling Limit (Short Term
Exposure Limit = 15 minutes)
CO
CO2
NO2
5 ppm
• Ensure that the flow of combustion and ventilation air exchange cannot
become obstructed.
• As the building 'tightens up'during the construction phases ventilation
may need to be increased.
4
WARNING
Air Quality Hazard
Canada 8-hr time weighted average
WorkSafe BC OHS Guidelines Part 5.1
and Ontario Workplaces Reg 833
25 ppm
5000 ppm
3 ppm (Reg 833)
Canada STEL (15 minutes Reg 833/1
hour WSBC) WorkSafe BC OHS
Guidelines Part 5.1 and Ontario
Workplaces Reg 833
100 ppm
15000 ppm(WSBC)
30000 ppm(Reg 833)
1.0 ppm(WorkSafeBC)
5.0 ppm (Reg 833)
P/N
974-4135
Rev: 2.51
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