Skip to content
WorkZen
Academy
Home
Todos los oficios
Mi progreso
es
English
EN
Français
FR
Español
ES
Menu
Home
Todos los oficios
Mi progreso
Buscar certificaciones...
es
English
EN
Français
FR
Español
ES
Academia
HVAC
NATE Hydronics Oil Service Specialty
Radiant Heating Service
Verificación de conocimientos
Radiant Heating Service
Verificación de conocimientos
Verificación de conocimientos
1 / 15
An oil boiler supply riser is installed rising from the tank to an inside location before the filter and pump. Air bleeds are present but the burner short cycles on lockout within minutes of startup. What is the likely cause?
A
The oil nozzle spray angle does not match the combustion chamber
B
The air bleeds are venting properly but the tank is empty
C
Air is being re-introduced at a loose fitting or a failing suction line that cannot hold vacuum between cycles, causing the pump to lose prime
D
The oil pump pressure is too high causing oil foaming
Verificar respuesta
Volver a las lecciones
Módulo siguiente: Oil burner tune-up
Módulo siguiente: