DAB GRINDER GL, Instruction For Installation And Maintenance

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GB
26
English
Use and maintenance instructions
Electric submersible pumps for sewage
3.2 USE LIMITS
For all electric pumps respect following limits:
- Max. immersion depth : 20 m
- Running positioning : only vertical
- Max. time of running at delivery 0 (closed gate-valve) : 2 ÷ 3 min.
- Max. starting per hour (equally distributed in the time:
GRINDER / GRINDER GL series: 30
FEKA/FEKA RC series: 20 with motor < 5,5 - 15 with motors >5,5
DRENAG/DIG seiries: 30
- Motor electric supply voltage :
± 10% of the plate value at 50 Hz and 60 Hz
3.3 SAFETY PRECAUTIONS
! IMPORTANT : Pay attention to the following contra-indications:
- In areas with explosion risk, use electric submersible pumps equipped with explosion-proof motor only in
accordance with working conditions. (In compliance with local safety regulations and standards)
- Don’t use the electric pump for liquids intended to human nourishment.
- The electropumps, in the standard version, must not be used in swimming pools, tanks, wells or systems
where there is even the remote possibility of persons coming in contact with the electropump or with the
liquid to be treated.
- Never touch by hand the electric pump when running.
- Never use the electric pump when not immerged. The dry running, even if for a short time, could cause the
immediate breakage of all hydraulic and mechanic components.
- During running the water level must cover totally the electric pump.
- Verify that the elctric pump and relevant equipment comply with local safety regulations and standards.
Confomity and warranty foreseen by the general sale conditions will be no longer valid in case of modifications
made on the electric pump without the written acceptance of the manufacturer who will be not responsible of any
damage to persons, animals or things.
4. HANDLING AND STORAGE
4.1 HANDLING
- To reduce risks during lifting and handling operations, be sure that all equipment are complying with safety
rules and suitable for the weight, dimensions and shape of the electric pump.
- Weight and dimensions of the electric pumps are indicated on table at pag. 35-37
- Never use the lead-out cable for handling or lifting the electric pump, but use the proper handle.
- During handling keep electric cables rolled up (bending radius 10 times greater than the cable diameter.
Be sure that cable free ends are not inadvertitely immerged or, in any case, wetted.
Safeguard your hands during this operation.
4.2 STORAGE
- Electric pumps must be stored in covered, dry and well aerated rooms.
- Keep the electric pump in vertical position checking its stability in order to avoid dangerous falls.
- Be sure that electric pump and cables are not exposed to sunlight for long time.
- Electric pump must be througly cleaned after a running period and it is necessary to verify the condition of
different component.
- For cleaning don’t use detergents containing solvents or other hydrocarbon based products.