Electrical Installation - SPX Johnson Pump 34-1900B Manual De Instrucciones

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Electronic Float Switch
Suitable for all Johnson Pump submersible bilge pumps in marine environment.
To be installed in the keelson.
Security
• The float switch should be located at the lowest position in the bilge and
mounted with base of switch even or below base of bilge pump.
• Always install the switch according to wiring diagram, page 10-11.
• The wire connections must be sealed with a marine sealant.
• Insulation or cable sheathings must be placed above the highest bilge
water level.
Type designation
Electronic Float Switch 12 V
Electronic Float Switch 24 V
Operation
See illustration page 9.
A. When the bilge water rises the magnet float (1) floats up and the air in the
float house (2) is forced out through the vent hole (3).
B. The magnet float starts the pump (4) when bilge water reaches 50 mm. The
valve (5) closes and the magnet float stays in the start position due to vacuum
inside the float house.
C. When the bilge water has sunk to level 20 mm, air is let in through the air
opening (6) in the float house. The magnet float falls down and cuts off the
power.
Installation
The swith is designed to attach the Johnson Pump Cartridge bilge pump.
To attach it to another Johnson Pump bilge pump, use the adapter provided.

Electrical installation

See page 10-11.
Ampere draw
Type
34-1900B-12V
34-1900B-24V
Waste management / Recycling
Dispose of the product in accordance with existing regulations.
Where appropriate, dismantle and sort the product by its material fractions.
4
Part No
34-1900B-12V
34-1900B-24V
Max
15 A
10 A
Original instructions