Tankmaster™ 4 pump controller, System operation diagram – SeaLand TankMaster 6 User Manual
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TankMaster™ 4 Pump Controller
Automatic Mode: Automatically empties
holding tank at mid-level, which is adjustable
at time of installation. Full-level float will turn
on pump if mid-level float fails.
Manual Mode: Holding tank discharge
pump runs only when keyed switch is held in
“manual” position.
•
Empty tank.
•
Tank contents between
empty and mid-level
probe.
•
Tank contents reach
mid-level probe.
Holding tank discharge
pump starts
automatically.
•
Discharge pump light on.
•
Discharge pump shuts
off automatically when
tank level drops below
empty probe.
•
Discharge pump light
off.
•
Empty tank.
•
Tank contents at
mid-level.
•
Holding tank discharge
pump started by
holding switch in the
manual position.
•
Discharge pump light on.
•
Discharge pump shuts
off when key switch is
released from the
manual position.
•
Discharge pump light
off.
SYSTEM OPERATION DIAGRAM