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Figure 2: Heating & Air Conditioning
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2.4
INSTALLATION
OF THE BURNER
Also refer to the burner manufacturer's
instructions.
1,
Position
the
mounting
gasket
between
the
mounting
flange and the burner mounting plate. Align the holes in
the burner mounting plate with the studs on the mounting
flange and bolt securely in place.
2.
Remove the burner drawer assembly or the air tube
assembly;
3.
Install the nozzle (refer to Technical
Specifications,
p.13);
4.
Check the electrode settings;
5.
Make the electrical connections;
6.
Complete oil line connections.
2.4.1
NOZZLES
The burner comes equipped with an appropriate
nozzle.
However,
if another
size or a replacement
nozzle
is
required,
use the manufacturer's
recommended
spray
angle and type a shown in Table 1 and based on a pump
pressure of 100 psi.
Always
select nozzle
sizes by working
back from the
desired flow rate at operating pressure and not the nozzle
marking.
2.4.2
AIR AND TURBULATOR
SETTINGS
Before starting the burner for the first time, adjust the air
and turbulator settings to those listed in this manual, Table
6.
Once
the
burner
becomes
operational,
final
adjustments
will be required.
Refer to section 3 of this
manual.
2.4.3
POST PURGE DELAY ADJUSTMENT
The post purge delay on the oil-fired burners is factory set
to zero second. This delay is applicable for all installations
with chimney venting. For heating units installed with side
walt venting and a burner equipped with this feature, the
post purge delay must be set to 15 seconds. No delay is
required
for Rietto burners.
Refer to the burner control
instruction manual and markings for proper adjustment of
the post purge delay.
2.5
VENTING
Poisonous carbon monoxide gas hazard.
Never install a hand operated damper in the vent pipe.
However,
any
Underwriters
Laboratories
listed,
electrically
operated automatic type vent damper may
be
installed
if desired.
Be
sure
to
follow
the
instructions
provided
with vent damper.
Also, read
and
follow
all instructions
in this
section
of the
manual.
Failure
to
properly
vent
this
furnace
or
other
appliances
can result in death, bodily
injury and/or
property damage.
To ensure
the safe and proper
functioning
of an oil
furnace,
it must always
be connected
to a flue with
sufficient draft or to an approved side-walt venting system.
In addition,
it is strongly
recommended
to perform
a
complete inspection of all the existing venting systems.
2.5.1
MASONRY CHIMNEY
This furnace
can be vented
into an existing
masonry
chimney.
However, the unit must not be vented into a
chimney into which a solid fuel burning furnace is already
being vented.
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