Maintenance
Check all electrical connections periodically, particularly in salt water
areas. Corrosion can cause loss of performance or non-operation in
extreme cases. The motor should be protected with a corrosion inhibiting
spray and any rust should be removed and the motor repainted.
Wiring Instructions
• Make all electrical connections in dry locations; connections
in humid environments should be sealed to prevent corrosion.
• Protect the circuit with a rated fuse or circuit breaker in the red
positive (+) lead as close as possible to the power source.
• Connect the black motor wire to the negative (—) battery terminal.
• Inadequate voltage at the motor terminals when the pump is running
(not less than 10% below rated voltage at full load) due to partially
discharged batteries or insufficient cable size may result in blowing
fuses, failure to start or poor pump performance.
Model No. Voltage
Max
Current
Max
Fuse
Size
Wiring Size*
AWG mm
2
Max Length
50890-1000 12V 8A 10A
14 2.5 4.5m (15ft.)
14 2.5 9.0m (30ft.)
50890-1100 24V 2.5A 5A
14 2.5 4.5m (15ft.)
14 2.5 9.0m (30ft.)
*for longer installations, fit thicker cables
Ensure sterilization of wet end before disassembly.
Rotation of Pump Head (See diagrams on next page)
1. Push down on clip and remove end cover
2. Internal bolt heads now exposed
3. Undo all four mounting bolts
4. Remove bolts and grasp motor unit firmly
5. Rotate pump head to desired position
6. Example of pumps rotational capabilities
7. Replace all 4 internal bolts and secure tightly
8. Replace end cover
Rotation of Ports (See diagrams on next page)
1. Undo clamp using allen key
2. Remove clamp
3. Rotate port unit to desired location
4. Example of pumps rotational capabilities
5. Replace clamp and tighten until firmly secure
WARNING: Always disconnect pump from power supply.
Battery
Inlet
Port
Overload
Protected
Distribution
Panel
Fuse
Outlet Port
Black Wire
Orange Wire
WARNING:
If the fuse fails repeatedly do not fit a heavier fuse or bridge the
fuse terminals with silver paper or metal wire. Failure to observe this instruction
may result in a fire hazard due to overheating of cables.
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