Xylem e-SV - Manual (Page 15)

Improper use
WARNING:
Improper use of the pump may create dangerous conditions and
cause personal injury and damage to property.
An improper use of the product leads to the loss of the warranty.
Examples of improper use:
• Liquids not compatible with the pump construction materials
• Hazardous liquids (such as toxic, explosive, flammable, or corrosive liq-
uids)
• Potable liquids other than water (for example, wine or milk)
Examples of improper installation:
• Hazardous locations (such as explosive, or corrosive atmospheres).
• Location where the air temperature is very high or there is poor ventila-
tion.
• Outdoor installations where there is no protection against rain or freezing
temperatures.
DANGER:
Do not use this pump to handle flammable and/or explosive liq-
uids.
NOTICE:
• Do not use this pump to handle liquids containing abrasive, solid, or fi-
brous substances.
• Do not use the pump for flow rates beyond the specified flow rates on
the data plate.
Special applications
Contact the Sales and Service Department in the following cases:
• If the density and/or viscosity value of the pumped liquid exceeds the
value of water, such as water with glycol; as it may require a more power-
ful motor.
• If the pumped liquid is chemically treated (for example softened, deion-
ized, demineralized etc.).
• If the pump will be installed horizontally, a special version and mounting
brackets must be requested.
• Any situation that is different from the ones that is described and relate
to the nature of the liquid.
3.2 Application limits
Maximum working pressure
This flow chart shows the maximum working pressure depending on the
pump model and the temperature of the pumped liquid.
The following formula is valid for motors that are provided with the drive-
end bearing axially locked (such as the Lowara standard motors for e-SV),
see Figure 6. For other situations, contact the Sales and Service Department.
P
1max
+ P
max
≤ PN
P
1max
Maximum inlet pressure
P
max
Maximum pressure generated by the pump
PN Maximum operating pressure
Liquid temperature intervals
Version Gasket Minimum Maximum 5 Maximum
Standard EPDM -30°C (-22°F) 90°C (194°F) 120°C (248°F)
Special FPM (FKM) -10°C (14°F) 90°C (194°F) 120°C 6
(248°F)
Special PTFE 0°C (32°F) 90°C (194°F) 120°C (248°F)
For special requirements, contact the Sales and Service Department.
Maximum number of starts per hour
This table shows the number of starts allowed per hour for motors supplied
by Lowara:
kW 0.25 -
3.00
4.00 -
7.50
11.0 -
15.0
18.5 -
22.0
30.0 -
37.0
45.0 55.0
Starts
per hour
60 40 30 24 16 8 4
NOTICE:
If you use a different motor from the standard one supplied with the elec-
tric-pump, check the relevant instructions to find out the permitted number
of starts per hour.
3.3 Data plate
The data plate is a metal label that is located on the adaptor. The data plate
lists key product specifications. For more information, see Figure 1.
The data plate provides information regarding the material of the gasket and
the mechanical seal. For information about how to interpret the code on the
data plate, see Figure 2.
Product denomination
See Figure 3 for an explanation of the identification code for the pump and
for an example.
WRAS label - Installation Requirements and Notes (for UK market
only)
A WRAS label on the pump means it is a Water Regulations Advisory
Scheme approved product. This product is suited to be used with cold pota-
ble water for human consumption. For more information, refer to IRNs
R001 and R420 in the WRAS Water Fittings and Materials Directory
(www.wras.co.uk).
IMQ or TUV or IRAM or other marks (for electric pump only)
Unless otherwise specified, for products with a mark of electrical-related
safety approval, the approval refers exclusively to the electrical pump.
4 Installation
Precautions
WARNING:
• Observe accident prevention regulations in force.
• Use suitable equipment and protection.
• Always refer to the local and/or national regulations, legisla-
tion, and codes in force regarding the selection of the installa-
tion site, and water and power connections.
WARNING:
• Make sure that all connections are performed by qualified in-
stallation technicians and in compliance with the regulations
in force.
• Before starting work on the unit, make sure that the unit and
the control panel are isolated from the power supply and can-
not be energized. This applies to the control circuit as well.
5 EN 60335-2-41 is the norm about electric-related safety pumps for household and similar applications
6 Maximum 100ºC for water
en - Translation of the original instructions
e-SV - English 11