Section 18: Direct Fired Burner - Weather-Rite XT112 Installation, Operation & Service Manual

SECTION 18: DIRECT FIRED BURNER

DANGER
Electrical Shock Hazard
Disconnect electric
before service.
More than one
disconnect switch may
be required to
disconnect electric from
heater.
Heater must be
connected to a properly
grounded electrical
source.
Failure to follow these instructions can result in death, electric shock, injury or property damage.
Manufactured by Midco International
burner combines the two main ingredients needed for proper combustion air (oxygen) and fuel (gas whether
natural or manufactured). In this burner raw gas is delivered to the burner ports at low pressure. The air
passing across the burner is maintained between 2,500 and 3,200 feet per minute. The arrangement and
shape of the air holes in the baffles that surround the burner provide the proper amount of air for proper
combustion for all of the firing rates.
Explosion Hazard
Leak test all compo-
nents of gas piping
before operation.
Gas can leak if piping
is not installed
properly.
Do not high pressure
test gas piping with
equipment connected.
® , Inc., the HMA-2A is used for natural gas and propane (LP). The
WARNING
Carbon Monoxide Hazard
Heaters installed
unvented must be
interlocked with sufficient
building exhaust.
Heaters must be installed
according to the
installation manual.
SECTION 18: D F B
IRECT IRED URNER
Burn Hazard
Allow heater to cool
before service.
Tubing may still be
hot after operation.
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