Patterson-Kelley TBIG-03 - Manual (Page 6)

Gemini™ Twin-Fuel Gas-Fired Boiler
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 B-vent components.
· 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
ä 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
good condition. Do not alter wiring connections.
Annual inspection by factory-trained personnel for
proper set-up and operation is recommended.
· 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.
- 4 -