Davey Sump Pump DT37KZN, DT55KZN, DT75KZN, DT110KZN, DT150KZN, DT220KZN - Manual (Page 2)

Installation & operating Instructions
The Davey range of Submersible Sump Pumps are suitable for small to medium Dewatering (or recirculating) applications.
Sewage (S) & Cutter (K) models are suitable for pumping soft solids in fluid suspension up to 80% of the discharge diameter.
Cutter & Grinder (G) models are also suited to pump soft string-like materials such as hair, lint, straw etc. In addition, Grinder
models can pump cloth, rubber gloves, sanitary products etc. While both Dewatering and Sewage models can pass some
hard solids with little or no damage, Cutter & Grinder models should not pump hard solids as these may damage the cutter
faces.
Vortex (V) models are designed to pump soft solids in suspension up to 80% of the discharge diameter. Sand (KZ) and
Sludge /Slurry (KZN) models are specially designed to handle hard solids in suspension, up to 70% by volume and in size
from 20 to 35mm depending on model.
All models are extremely quiet in operation which makes them ideal for applications within residential areas for sullage pits,
waterfalls and general drainage.
other Ideal applications are:
Lift Wells Car Park Sumps Sewage Pumping - Grinder & Vortex models
Basements Cable Pits, etc. Mining & Construction - KZ & KZN models
This Submersible pump has been factory checked prior to delivery; however, please check for any damage during transport.
After Sales Service is available from Davey or Special Davey Authorised Service Dealers.
Suitable Fluids
This pump is designed to pump waste water, clean water and water containing mild pollutants at ambient temperatures. It
is not suitable for pumping flammable or corrosive fluids, nor fluids at elevated temperatures. If you are unsure as to the
suitability of the fluids, contact your Davey dealer for advice.
Installation
This Davey pump is completely submersible up to 10 metres and should be placed on a solid flat
surface (if not available, sit the pump on timber or house bricks) in the vertical position. Pump should
always be installed so that it will be clear of settled silt or debris. It is recommended to fit the biggest
diameter hose possible, to obtain the best flow from the pump. To remove or lift the pump from deep
wells or pits connect a rope to the handle during installation. Automatic versions should be placed in a
sump which has adequate dimensions so as not to restrict the movement of the float switch.
Automatic controlled pump units have float switches factory set to provide the correct high (ON) and low
(OFF) liquid levels.
Quick connect rail kits are available for SEWAGE. CUTTER and GRINDER models. Contact your
Davey Dealer for details.
do not:
- run the pump dry.
- Attempt electrical repairs, unless qualified to do so.
- run the pump with the motor fully exposed for long periods.
- Install the pump on soft or loose ground.
- operate the pump if the inlet is submersed by sand or debris.
- lift or carry the pump by the power cable.
- the pump can only be used for pumping water. do not use for pumping liquids such as oil, sea-water or organic
solvents.
- Do not run the pump in explosive or fire hazardous surroundings or for pumping explosive liquids.
- do not run the pump when the pump is partially or completely dismantled.
other than KZ or KZn models, these pumps are not a sand or slurry pumps. they are not designed to pump hard
solids (eg stones) nor fluids containing excessive amounts of abrasive materials. In any case, any solids pumped
will eventually lead to wear of components.
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cautIon: When handling the pump manually, please ensure that this is done with due respect and in compliance
with applicable safe handling procedures. these pumps may exceed safe lifting limits for individuals.
not intended to be used for swimming pool. note that these pumps may be used for the repair or maintenance of
swimming pools, but never with people present in the water.