Zenit Grey Serie Manual De Instalacion Y Uso página 25

Electrobombas sumergibles
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During handling, installation or disinstallation operations the pump must be disconnected from the power supply panel.
1.7 Product description - Intended use
These products are intended for use in residential, industrial and municipal sewage treatment plants and lifting stations.
They are designed to lift and pump slurries, faecal material, clean water, waste water or water soiled with solid or fibrous materials.
They may not be used with liquids for human consumption or in potentially explosive atmospheres (except for models with
explosion-proof certification).
Grey submersible pumps must under no circumstances be used to pump explosive, flammabile or comustible liquids.
Explosion proof models are certified for use in potentially explosive atmosphere according to the marking string recorded on the
plate (See Points 1.12)
This electric pump is a fixed appliance intended to be used while fastened to a support or while secured in a specific location. This appliance is
not intended to be held in the hand during normal use.
Grey subersible pump motor are always provided by ZENIT with a proper flexible cord for power supply, control and monitor circuits. Water-
resistant cable entry provides both sealing and strain relief functions to ensure a safe installation. No additional elements are required to complete
the equipment. Main and control panels are on customer care and shall be in conformance with the equipment data.
Grey submersible pumps are classified depending on the hydraulic type.
• DGG Grey series: electric pumps with set-back Vortex impeller which allows ample free passages.
Applications: biological liquids and wastewater civil and industrial lifting, wastewater treatment plants and livestock farms;
• DRG Grey series: electric pumps with Open Channel impeller.
Applications: recirculation of industrial and process waters, civil lifting, drainage and lifting of water from first rainfall tanks;
• GRG Grey series: electric pumps with multi-channel open impeller with a grinding system.
Applications: lifting of liquids containing fibres and filaments, professional and industrial applications, livestock farms;
• APG Grey series: electric pumps with high-head immersed multi-channel open impeller.
Applications: lifting of clean liquids or liquids with small solids or sand, slightly sandy seepage waters.
1.7. 1 Code designation
The pump can be identified by the "type" and the "version" designations stated on the pump dataplate. See point 1.12.
Code example:
Type
Type of impeller
1
DG = Vortex
DR = Channels
GR = Grinder
AP = High head
2
Series
G = Grey
Version
10
Electrical variant
11
Cable lenght
12
Rated voltage
DGG 300/2/G65V C0ET5
(A)
1
2
3
3
Power (HPx100) / motor poles
Pump outlet
4
(A) TYPE (GAS thread/Flanged)
(B) DIAMETER (mm)
(C) POSITION
V = vertical, H = horizontal
TS 10 400 D EX NN GG
10
11
12
13
13
Starting
D = DOL
Y = star/delta
14
Certification
NN = standard
EX = ATEX, ATEX + IECEx
CX = IECEX only
Safety, Installation and Operations Manual - Original instructions
(B)
(C)
4
5
6
7
8 9
5
Hydraulic variant
6
Hydraulic version
7
Motor size
8
Motor phases
9
Frequency
14
15
16
15
Customization
16
Impeller material
M = Single-phase, T = Three-phase
5 = 50Hz, 6 = 60Hz
EN
25
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