Seko Maxima MPG Manuel utilisateur
Maxima MPG Cod. EM00136006 rev. 1.1 1
MAXIMA
MPG
Contents:
1 First of all 3
2 Installation 9
3 Setting and operation 12
4 Maintenance 32
5 Troubleshooting 33
6 How to contact us 34
Maxima MPG Cod. EM00136006 rev. 1.1 2
1 FIRST OF ALL
1.1 WELCOME
Thank you for buying a Seko product.
This dosage pump is made up of a control part that houses the electronics and the magnet and
a hydraulic part that is always in contact with the liquid to be dosed.
The parts that come into contact with the liquid are chosen to guarantee full compatibility with
most chemical products, normally used. Due to the variety of chemical products on the market,
we recommend checking chemical compatibility between the product dosed and the materials in
contact with it. The materials that make up the pump are listed in Paragraph 1.3.1, while all
membranes are made of PTFE.
Pay particular attention to the warnings and precautions indicated in this manual.
1.2 COMPOSITION OF THE SYSTEM
7
1
2
5
4
36
1 Control Panel
2 Head
3 Knob for adjusting the stroke
4 Delivery connector
5 Suction connector
6 Priming valve
7 Support for sides and base.
Maxima MPG Cod. EM00136006 rev. 1.1 3
1.3 PACK CONTENTS
MAXIMA MPG
Complete pump
Foot filter (Fig. 1)
Injection fitting(Fig. 2)
4 m of PVC hose (transparent and soft) for suction and for connecting
the bleeding valve up for manual priming (Fig. 3)
2 m of PE pipe (opaque and rigid) for connecting the pump’s outlet to
the injection point (Fig. 3)
Anchors for securing the pump.
Support for wall mounting (Fig. 4)
Instruction Manual
Fig. 1: Foot filter
Fig. 2: Injection fitting
Fig. 3: Hoses (suction, delivery,
bleeding)
Fig. 4: Support
Fig. 5: Fitting the support to the tank
Fig. 6: Fitting the pump onto the support
Maxima MPG Cod. EM00136006 rev. 1.1 4
WARNINGS
CAREFUL HANDLING, INSTALLATION AND COMMISSIONING OF THE PUMP HELPS TO
PROVIDE A TROUBLE-FREE INSTALLATION.
READ THE FOLLOWING WARNINGS BEFORE PROCEEDING TO INSTALL OR DO
MAINTENANCE WORK ON THE PUMP.
− All our pumps are tested using water. To dose chemical products that may react with the water (e.g.
H2SO4= Sulphuric Acid) all the internal parts of the hydraulic section must be dried. To do
so:
a Switch the power to the pump on and run it at maximum frequency with the delivery valve facing
downwards.
b After it has run for a few minutes check that no more water is coming out.
− Install the pump in a place where the temperature does not exceed 40°C and the relative humidity is
below 90%. This pump has a protection level of IP65 and so can be installed outdoors. This pump
must never be immersed in liquid. To prevent overheating do not install the pump in direct sunlight.
− Install the pump in such a way that inspection and maintenance are easy, and then secure the pump
well to prevent vibrations.
− Check that the power supply voltage fed to the plant is as indicated in the label on the pump.
WARNING: BEFORE DOING ANY WORK ON THE PUMP, ALWAYS FIRST DISCONNECT
THE POWER SUPPLY CABLE.
− When handling the pump after it has been used to dose chemical products, remember to use
protective clothing and gloves and to provide suitable protection for your eyes.
− If you are dosing using pressurised piping, before starting the pump always check that the pressure in
the plant does not exceed the maximum working pressure shown on the dosage pump label.
Maxima MPG Cod. EM00136006 rev. 1.1 5
1.4 TECHNICAL CHARACTERISTICS
Check the main characteristics of you pump on the plate.
MAXIMA 240 Spm
Type bar lit/h Gph Psi
10 8.5 2.25 145
6 9.8 2.59 87
2 11 2.91 29
MPG912
230VAC
50/60 Hz
40 W
Fuse 2 A L
Code MPG912ASC0M00 Serial N°
XXXXXX
Your pump is one of the family of pumps listed in the table below:
Pressure
Flow Rate
Connections
(mm)
Weight
Model
bar lit/h
cc/stroke
IN / OUT
Strokes/min
kg
10 1.80 0.13
6 2.00 0.14
611 3 2.20 0.15
4 / 6 240 1,7
7 5 0.35
4 5.5 0.38
612 1 8.4 0.58
4 / 6 240 1,7
18 4.5 0.31
16 5 0.35
911 11 5.6 0.39
4 / 6 240 3,1
10 8.5 0.59
6 9.8 0.68
912 2 11 0.76
4 / 6 240 3,1
5 15 1.39
4 18 1.67
913 3 20 1.85
8 / 12 180 3,2
2 35 2.43
1 44 3.06
914 0 63 4.38
8 / 12 240 3,2
Maxima MPG Cod. EM00136006 rev. 1.1 6
1.5 WARNINGS
Check the model of the equipment bought, when using the dosage calibration
references indicated in this manual.
ATTENTION – Stroke adjustment
The knob must not be rotated when the pump is not working; otherwise the adjustment
shaft could become deformed thus causing a flow rate loss.
WARNING: Always follow the necessary safety procedures, including the use of
adequate protection for the eyes, face, hands, and clothing.
WARNING: When installing or carrying out maintenance on this equipment, always
disconnect it from the power supply.
Seko is constantly striving to perfect all its products, and we therefore reserve the right to
make changes at any time without notice.
Failure to abide by the standards laid down in this manual could result in damage to
property or people, as well as damaging the equipment or compromising its operation.
Maxima MPG Cod. EM00136006 rev. 1.1 7
2 INSTALLATION
WARNING: Before proceeding to install the pump, read all the paragraphs referring to it carefully.
This pump must be installed in a position that makes connecting it to the chemical product tank and
the injection point easy.
This pump has a protection level of IP65 and so can be used outdoors. This pump must never be
installed in positions in which it may be submerged. It must also not be installed where the
temperature exceeds 40°C for long periods of time.
2.1 RECOMMENDED INSTALLATION LAYOUTS
Fig. 7: Wall-mounted with bracket
Fig. 8: On the tank with a support
Fig. 9: Under a head with a
support
Fig. 10: On a meter
Maxima MPG Cod. EM00136006 rev. 1.1 8
2.2 OVERALL DIMENSIONS AND DRILLING TEMPLATE
Fig. 11: Overall dimensions – 610 series
Fig. 12: Overall dimensions – 910 series
Fig. 14: Drilling template for 610 series
Fig. 13: Drilling template for support
Fig. 15: Drilling template for 910 series
Maxima MPG Cod. EM00136006 rev. 1.1 9
2.3 PLUMBING CONNECTIONS
2
4
6
6
4
8
11
4
6
6
4
13
1
3
5
7
5
3
9
10
3
5
12
5
3
1) Injection point
2) Injection fitting
3) PVDF gasket
4) Washer holder
5) Pipe clamp
6) Ring nut
7) Delivery pipe (opaque and rigid)
8) Delivery fitting
9) Pump casing
10) Manual bleeding valve
11) Suction coupling
12) Suction hose (soft and transparent)
13) Foot filter
When forming the plumbing connections, follow these instructions:
− The FOOT FILTER must be installed in such a way that it is always 5-10 cm from the bottom to prevent any
deposits clogging it and damaging the hydraulic part of the pump.
− Installing the pump under a head is always best and is recommended for pumps with a very low flow rate as it
solves all priming problems. Installation under a head is specifically recommended when dosing
sodium hypochlorite (NaOCl) and hydrazine (N2H2) or any other product that tends to develop gas.
− Pumps are supplied standard with entry and exit pipes that are sized to suit the pump’s hydraulic
characteristics. Should you need to use longer pipes, it is important to use pipes with the same internal and
outside diameter as those supplied with the pump.
− For outdoor applications, where the DELIVERY PIPE may be exposed to direct sunlight, we recommend
using black piping that is resistant to ultraviolet rays.
− It is advisable to position the INJECTION POINT towards the top of the pump or the tank. In all cases, to
guarantee the pump’s performance, always use the INJECTION VALVE supplied with the pump.
− THE INJECTION VALVE MUST ALWAYS BE INSTALLED AT THE END OF THE DELIVERY LINE FOR
THE DOSAGE FLOW.
Maxima MPG Cod. EM00136006 rev. 1.1 10
2.4 ELECTRICAL CONNECTIONS
The pump must be connected to a power supply that is as indicate don the label on the side of
the pump. Failure to respect the limits indicated may result in the pump being damaged.
The MAXIMA range of pumps do not need to be earthed as they are made using components
and technology that ensures that all electronic components are double insulated.
The pumps are designed to absorb small extra voltages, but to avoid the pump being damaged
it is always preferable to avoid using a power supply in common with electrical equipment that
generates other voltages.
The connection with the 380V three-phase line is formed exclusively between phase and
neutral. No phase-earth connections are to be formed. (Fig. 16 and Fig 17)
N
380V
T
230V
RS
Fig. 16: CORRECT CONNECTION
N
T
T
RS
380V
230V
Fig. 17: WRONG CONNECTION
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