Deif GC-1F - Fuel Pump Logic

GC-1F Installation Instructions and Reference Handbook
DEIF A/S Page 61 of 123
Fuel pump logic
The fuel pump logic is used in order to start and stop the fuel supply pump to maintain the fuel level
in the service tank at predefined levels. The start and stop limits are detected from the VDO 1
input.
Start level, factory setting at 20 % 6550 Fuel pump logic
Stop level, factory setting at 90 % 6550 Fuel pump logic
 Start level, relay activates
 Stop level, relay deactivates
Fuel pump start level
Fuel level
90%
20%
Time
Fuel service tank level
Fuel pump stop level