Gemini™
lines for gas devices. See Section 4 below.
Hazard from incorrect fuels! Possible fire, explo- sion, overheating, and damage. Do not use any fuels except vaporized natural gas and propane. Under no circumstances is liquid fuel of any kind to be introduced in the boiler.
Hazard from incorrect fuel connections! Possible fire, explosion, overheating, and damage. Do not attempt to connect the propane supply to the natu- ral gas connection, or vice versa.
Fire and explosion hazards! Close both the natural gas and propane shutoffs before servicing boiler.
Burn hazard! Possible hot surfaces. Do not touch gas vent during firing operation. Use only factory recommended
Fire and explosion hazards! Use caution when servicing burner. Propane is heavier than air and may linger in the combustion chamber, vent lines, or elsewhere.
Gas leak hazard! Make sure all connections to main burner are tight when reassembling the burner. These connections cannot be tested after burner is assembled.
Gas leak hazard! Test motorized gas valves annu- ally for leakage as described in Section 4.4.6.
Gas leak hazard! All threaded gas connections must be made using a pipe compound that is resis- tant to propane. Do not use Teflon tape on threaded gas piping.
Gas leak hazard! Check entire gas train for leaks after installation. If there is a smell of gas, shut down the boiler and obtain immediate assistance from trained service personnel and/or your local fire department.
Overfire hazard! Possible fire and explosion from excess gas pressure. Make sure that gas inlet pres- sure does not exceed 14 inches W.C. to the regulator on either the natural gas or propane sup- ply line.
Overfire hazard! Possible fire and explosion. Possible malfunction of regulators and/or motorized gas valves. Maintain all gas train components in
- 4 -
good condition. Do not alter wiring connections. Annual inspection by
Overfire and underfire hazards! Possible fire, ex- plosion, overheating, and component failure. Do not attempt to adjust firing rate of the boiler. The firing rate must be adjusted only by factory trained personnel.
3.5.3 Crush Hazards
General Warning
Lifting hazards! Use properly rated lifting equip- ment to lift and position the boiler. The load is unbalanced. Test balance before lifting 3 ft. above the floor. Do not allow personnel beneath the lifted load. Refer to approximate weights in the table below:
Boiler Size | Weight in Pounds | |
|
|
|
700,000 | Btu | 650 |
|
|
|
1,000,000 | Btu | 650 |
|
|
|
1,200,000 | Btu | 765 |
|
|
|
1,500,000 | Btu | 1,100 |
|
|
|
1,700,000 | Btu | 1,100 |
|
|
|
2,000,000 | Btu | 1,100 |
|
|
|
3.5.4 Chemical Hazards
Environmental hazard! The motorized gas valves may contain hydraulic oil. Use safe procedures for the disposal of all lubricants.
