Weil-McLain 550-141-830/1202 - Manual (Page 5)

5
Start-up
SGO Boiler with Float-Type Low Water Cutoff
(See Page 6 for Probe-Type Low Water Cutoff)
Figure 1
Gauge Glass
2. Correct problems found in step #1. If burner
does not fire, press reset button on burner
primary control only once. Repeated presses
will deposit oil in combustion chamber.
Burner must never be fired
when oil is in combustion chamber. Immedi-
ately call qualified service technician.
3. If burner still does not fire, call qualified
service technician.
Steam Relief Valve
(on back of boiler)
SGO with float-type low water cutoff:
1. If burner does not fire, check for:
Switch on boiler or additional shut-off
switches turned off.
Fuses or breaker switch tripped.
Thermostat set below room temperature.
Fuel valves turned off.
Not enough oil in tank to supply burner.
No water in gauge glass.
●
●
●
●
●
●
Tankless Heater
Control
Located in tankless heater
plate (sizes 3-5)
or in tapping in back
section (sizes 6-9)
Float-Type
Low Water
Cutoff
Pressure Control
Pressure Gauge
Burner Primary
Control
n
n
n
n
n
n
n
n
n
n
n
Service Switch
on Boiler
Reset Button on
Burner Primary
Control
Burner
Disconnect
Plug
Part No. 550-141-830/1202