Technical Characteristics And Use - Alma RW AD 1500 Mode D'emploi

- starting, operation and eventual maintenance or off-service must be carried out by skilled personnel well
experienced with the rules concerning safety of working environment and who has taken vision and
carefully verifi ed the content of this manual and/or any other documentation enclosed to the product
In case the electric pump is used to convey dirty and/or dangerous liquids during installation or maintenance
and off-service, all individual protective devices are necessary to operate in safety conditions.
The appliance is not intendend for use by persons (including children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction
concerning use of the appliance by a person responsable for their safety. Children should be supervised to
ensure that they do not play with the appliance. (EN 60335-1 : 02)
The acoustic level of the electric pump, when duly immerged and correctly installed, does not reach 70 dB (A).
Before any intervention of checking or maintenance of the installation of electric equipment, it's indispensable to
disconnect electric power supply being sure that same cannot be reconnected inadvertently.
Never tamper installed protections and safety devices; when necessary, ask for intervention of competent
personnel.
Be sure to operate in safety conditions with well dimensioned equipment and instrumentations complying with
local safety regulations and standards.

3. TECHNICAL CHARACTERISTICS AND USE

3.1 CHARACTERISTICS OF PUMPED LIQUID (SEWAGE)
Electric submersible pumps equipped with vortex impellers are suitable to pump liquids containing solids or long
fi bres, gas or ferments, while with single channel open impeller are suitable for pumping sewage with short
fi bre solids or containing slurry or muds.
- PH: between 6 ÷ 11
series RWI: 3 ÷ 14
series RWB: 3 ÷ 7
(fi g. 3)
- Velocity not less than 1 m/s and same viscosity as water (in case of higher values contact Alma Pumps
technical dept.)
- Temperatur:
- Max content of solids in suspension: 8%. Max dimensions of solids in suspension as per fi gure on pg. 33.
Solids in suspension must not be neither too abrasive or agglomerating
3.1.1 CHARACTERISTICS OF PUMPED LIQUID (DRAINAGE)
- Velocity not less than 1m/s and same viscosity as water (in case of higher values contact Alma Pompe
Technical Offi ce)
- Max. temperature : 35°C (95°F)
- Max. content of solids in suspension : 0,5% (FUP), 1% (JOKER / GV2000)
- Max. Ø of solids in suspension : 5mm (FUP), 30mm (JOKER), 46mm (GV2000).
- Solids in suspension must not be neither too abrasive nor agglomerating.
Use and maintenance instructions
max 40°C (104°F)
series RWI - RWB: max 25°C (77°F)
English
Electric submersible pumps for sewage
GB
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