1/7
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
Call For Heat : The thermostat closes the circuit between RH and W
After safety check Primary control energizes the burner motor
After safety check Primary control energizes the burner motor
Burner motor activates
Burner motor activates
Ignition and Cad cell senses flame
Ignition and Cad cell senses flame
On heat rise Fan comes on
On heat rise Fan comes on
Call of heat ends open between RH and W
Call of heat ends open between RH and W
Burner primary control circuit de-energize
Burner primary control circuit de-energize
Burner motor shutdown
Burner motor shutdown
Fan shutdown on cool down / when temperature drops