Weil-McLain WGO - Manual (Page 5)

5
Start-up
WGO/WTGO (see Figure 1):
1. If burner does not fire, check for:
Service switch on boiler or additional
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.
DANGER
WGO and WTGO Boilers
Figure 1
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.
Service
Switch on
Boiler
Burner Primary
Control
Reset Button on
Burner Primary
Control
Limit Control
(on WGO)
Combination
Limit Control and
Tankless Heater
Control
(on WTGO)
Located in tankless
heater plate
Circulator
Temperature -
Pressure Gauge
Burner
Disconnect
Plug
Water
Relief Valve