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A. Pressure Control- Remove cover and note pressure
setting. With boiler operating,
decrease
the setting.
When the setting
is lower than boiler pressure,
the
control will open and turn offthe
boiler. After checking
pressure control, reset control to original setting.
B. Mechanical
Low Water Cut-off-
May be checked
by opening
the blow-off
valve on the lower portion of
the cut-off body while the boiler is running.
This will
drain the water from the boiler and break the circuit
to the burner.
_
WARNING
2. Disconnect
power cable at factory supplied burner
electrical
disconnect.
(Figure
12)
3. Loosen
screws
on the sides of the lower front
jacket
panel.
(Figure
6) Pull the bottom
part of the
lower front panel forward and lift the lower front panel
up and off the boiler. (Figure
12)
4. Close oil valve (Figures
10-11) and disconnect
oit
line from burner.
_MPORTANT:
Do not
swing door with oil line attached,../)
open
5. Remove
nut from swing door stud on right hand
side of door.
Refill boiler to its normal water line.
C. Primary
Control
and Flame Sensor-
To Check:
1. Flame
Failure
- simulate
by shutting
off oil
supply with hand valve while burner
is on. Sixty
seconds
after
flameout,
the safety switch locks
out, ignition
stops,
motor stops
and oil valve -
when used - closes.
To restart, open oil supply
valve and reset safety switch.
2. Ignition Failure - With burner off, close oil supply
valve
and run through
start-up
procedure,
The
safety switch should lock out as in flame failure.
3. Power
Failure
- Turn off main power
supply
switch
while
burner
is operating.
When
burner
stops, restore
power
and burner should
start. If
operation
is not as described
as above,
check
wiring and controls.
,
Preventative
maintenance
dan oil fired boiler reduces
is
operating
costs. The boiler and vent pipe should be
inspected
for accumulation
of soot or scale deposits
2.
periodically but at least once every year before the start
in
d each heating season. When soot is present on the
section walls and flueways,
improper combustion
will
3.
result,
causing
additional
sooting
and scaling
until
flueways are completely
closed. To remove soot and
4.
scale from the flueways,
remove top jacket panel, top
clean-out plate, open burner swing door. (Figure
12)
6. Swing open burner and door to the left. Using a
flue
brush,
brush
the
soot
and
scale
into
the
combustion
space where it can be removed through
the swing door opening.
se caution
when vacuuming
in the chamber
I
tea. Damage
to chamber
could
result,
j)
It is recommended
to replace the nozzle at the start
of each heating
season.
Lubricate
the burner motor
and circulator
motor-
if required - with a few drops of
a good grade of light motor oil. Do not over oil. Have
a competent
service
person service the burner and
check
the controls
and check
the electrodes
for
carbon or cracks in the insulators.
Burners should be
adjusted to produce the conditions
shown in "Startup
and Adjustment
of Off Burner."
Swing burner and door to the right until insulation
slightly compressed
and the stud is exposed.
Attach
nut to the stud and tighten it until the built
stop contacts
the mounting
door.
Reconnect
oil line to burner.
Replace lower jacket panel, and tighten the screws.
5. Connect
the power cable at the factory
supplied
burner electrical
disconnect.
6. Turn on power to boiler and bleed oil line.
1. Turn off power to boiler and allow boiter to coot down.
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