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Weil-McLain SGO SERIES 4 OIL-FIRED STEAM BOILER SGO-6 Residential Boilers

User Manual - Page 6

For SGO SERIES 4 OIL-FIRED STEAM BOILER SGO-6.

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Part number 550-142-330/0421
6
SGO
OIL-FIRED NATURAL DRAFT STEAM BOILER — SERIES 4 — Boiler Manual
HOMEOWNER฀and฀SERVICE฀TECHNICIAN฀—฀read฀and฀follow฀completely.
Please read this before proceeding
Start-up
1. If burner does not fire, check for:
•฀ Boiler฀switch฀turned฀off?
•฀ Fuses฀blown฀or฀breaker฀tripped?
•฀ Thermostat฀set฀below฀room฀temperature?
•฀ Fuel฀valves฀turned฀off?
•฀ Water฀not฀visible฀in฀gauge฀glass?
•฀ Not฀enough฀oil฀in฀tank฀to฀supply฀burner?
2. Correct problems found in step #1. If burner does
not fire, press the reset button on burner primary
control only once. Repeated presses will deposit oil
in chamber, creating a fire hazard.
Burner must never be fired when oil is in
combustion chamber. Immediately call a
qualified service technician.
3. If burner still does not fire, call a qualified service
technician.
❏ Check daily
Boiler area
•฀Check that boiler area is free from combustible materials,
gasoline and other flammable vapors and liquids. Ensure
that no air-contaminating materials (see page 10) are
present in the area.
Figure฀1 Boiler and components
Pressure gauge
•฀Pressure gauge must not show more than 15 psig
(normally 5 psig). Contact a qualified service techni-
cian if high pressure occurs.
Air openings
Verify that combustion and ventilation air openings to
the boiler room and/or building are open and unob-
structed.
❏ Check monthly
•฀Venting system, see page 39.
•฀Boiler and system piping, see page 39.
•฀Boiler relief valve, see page 40.
❏ Periodically
Oil motors equipped with oil cups
Burner motors may require oiling. Such motors are fit-
ted with oiling cups. Use a few drops only of SAE 20
detergent oil. Do not use household oils. Excessive
oiling can damage motors. Do not attempt to “fill up”
the oiling cup.
Test low water cutoff(s)
Probe-type low water cutoff
1. Turn off power to boiler
and wait 5 minutes.
2. Drain water to bottom of
gauge glass.
3. Turn on power.
4. Set thermostat to call for
heat. Red neon lamp on
low water cutoff should
light.
5. Wait 5 minutes. Boiler should not fire.
6. Refill boiler to correct water line. Red lamp should
go off.
7. Wait 5 minutes. Boiler should fire.
8. Return thermostat to normal setting.
Float-type low water cutoff (by others, if used)
Blow down control and test per control manufacturer’s
instructions.
Scald potential. Do not blow down low
water cutoff unless blow down piping
has been installed according to control
manufacturer’s instructions. If piping is not
installed, call a qualified service technician.
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