18
Venting system should be inspected at start of each
heating season. Check vent pipe from boiler to
chimney for signs of deterioration by rust or sagging
joints. Repair if necessary.
Remove vent pipe at base of chimney or flue and,
using mirror, check for obstruction.
!
WARNING
Water will be boiling hot.
Lever of pressure relief valve, shown in figure #9,
page 12 of this manual, on boiler should be operated
periodically to make sure it is functioning properly.
Pressure relief valve should open before water
pressure exceeds 30 lb. reading on gauge. If this
pressure is exceeded and pressure relief valve leaks
water when boiler is operating at normal pressures, it
should be immediately replaced. Corrosion can build
up rapidly at valve seat and prevent its functioning as
safety device.
Start-Up and adjustment of oil burner
(See oil burner instructions for nozzle and electrode
setting)
Check oil burner nozzle to make certain it is tight in
A.
adapter. Burner mounting bolts should be tight.
Check electrode setting, they may have been jarred
B.
out of position during transportation.
Lubricate burner motor and circulator motor if
C.
required. Some circulators are water lubricated and
do not require oiling.
Set room thermostat to call for heat, or jump
D.
thermostat contacts on the boiler control.
Open all oil line valves.
E.
Turn service switch on. Burner should start.
F.
On one pipe fuel systems only, vent pump as soon
G.
as burner starts. Allow oil to run until all traces of
air in the suction line disappear.
Turn “OFF” burner and install pressure gauge port
H.
on pump.
Start burner again and check oil pressure for 140
I.
lbs. Adjust if necessary.
!
CAUTION
Do not set fire visually.
Instruments are only reliable method to determine
proper air adjustments. Improperly adjusted burner
causes soot and high fuel bills because of incomplete
combustion of fuel oil. This in turn may require
excessive boiler maintenance, service costs, and in
some instances, house cleaning or redecorating. A
competent service mechanic should be consulted to
make proper adjustments with smoke tester, CO
2
indicator and draft gauge. Bacharach or Dwyer test
kits include these instruments.
Instructions for Proper operation of boiler-
burner Unit
A ¼” diameter slot is provided in inspection cover
plate to take draft readings in combustion chamber.
See figure #19. A ¼” diameter hole will be
required in flue pipe between boiler and barometric
damper (if used) to take draft, CO
2
, smoke and
temperature readings. Adjust air shutter on oil burner
to obtain “trace” of smoke. Measure CO
2
at this point.
Increase air adjustment to lower CO
2
approximately
one (1) percent. Check to insure minimum negative
.02 w.c., (water column), “overfire” draft and zero
(0) smoke. If - .02 w.c. “overfire” draft can not be
maintained, changes and/or modifications may be
required in venting or chimney.
Following table (page 20) is provided as guideline
for initial start-up. Final adjustments MUST be
made using combustion instruments as previously
mentioned.
Check Safety Control Circuit - after burner
adjustments have been made for satisfactory
performance.
High limit control: remove cover and note temperature
1.
setting. See figure #19. With burner operating,
decrease setting to minimum point. When boiler water
temperature exceeds this set point, high limit switch
will open, shutting off power to oil burner. Return
setting to desired high limit point. Burner should
restart.
OPERATING INSTRUCTIONS
