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5.2 Scope of delivery
• Single-stage horizontal automatic pump
• Installation and operating instructions
• Assembly package (2 sets of unions, nipples,
gaskets for piping, for PB-088EA, PB-138MA,
PB-350MA only)
• Assembly package (2 sets of flanges, gaskets, for
upward type only)
6. Products and functions
6.1 Product description (see Figures)
Pressure boosting system for domestic applica-
tions which require higher water pressure from a
roof-top water tank (downward type) or a water
tank on the ground (upward type).
6.2 Product function
Operating option as "Auto", "Manual", "Off" for
downward type only.
Automatic operation with flow switch.
Automatic operation with flow switch and pres-
sure switch in case of upward type.
6.3 The pump
Single-stage
self-priming pump.
Shaft sealing with mechanical seal.
6.4 The motor
Single-phase, 2-pole, 50 Hz and 60 Hz motor,
capacitor in the terminal box, thermal protector
for motor protection.
• Protection class: IPX4
• Insulation class: F_155
Frequency
Speed in RPM
Voltage
7. Installation and connections
All installation and electrical connection work
must be carried out solely by authorised and
qualified personnel, in accordance with applica-
ble regulations.
WARNING! Physical injuries!
The applicable regulations for the prevention of
accidents must be complied with.
7.1 Upon receipt of the product
• Unpack the pump and recycle or dispose of the
packaging in an environmentally responsible
manner.
7.2 Hydraulic connections
General connection instructions
• Use flexible, braid-reinforced hose piping or rigid
piping.
• The pump must not bear the weight of the pipes.
• Seal the piping well using appropriate products.
26
horizontal
centrifugal,
50 Hz
60 Hz
~ 2900
~ 3500
220V (-10%)
1 ~
230V (±10%)
240V( +6%)
Suction connections
• The diameter of the suction pipe must never be
less than the port on the product.
Handling and installation
• See Fig. 1 to 4 for upward type.
• See Fig. 5 to 11 for downward type.
(Fig. 8 installation is available only PB-200EA and
PB-350MA)
• Suction mode installation of upward type (Fig. 2).
Fig. 2, item 1: Foot valve (not in the scope of
delivery)
7.3 Electrical connection
WARNING! Risk of electric shock!
Danger from electrical current must be eliminat-
ed.
• Have all electrical work carried out by a qualified
electrician only!
• Before any electrical connection is made, the
pump must be de-energised (switched off) and
protected against unauthorised restarting.
• To ensure safe installation and operation, the
unit must be earthed correctly with the earth
terminals of the power supply.
non
CAUTION! An error in the electrical connection
will damage the motor.
The power cable must never touch the piping
or the pump, and must be kept away from any
moisture.
• See the pump cladding for its electrical character-
istics (frequency, voltage, current).
• The single-phase motor of this pump has a built-
in thermal protector.
• See the wiring diagram marked on inside of ter-
minal cover, fasten the cable with cable gland and
cable anchorage located in terminal box securely
when the cable connect.
• The cross-section of supply cord for this pump
shall be at least 3 x 0,75 mm² and properties of
supply cord shall be at lease ordinary polychloro-
prene sheathed cords (60245 IEC 57).
• A damaged cable or connector must be replaced
by the corresponding part available from the
manufacturer or the manufacturer's customer
service.
8. Commissioning
Check that there are no leaks at the connections to
the sanitary devices connected to the lifting unit.
• Switch on the power supply to the unit.
• Check that the current consumed is less than or
equal to the rated current.
9. Maintenance
All maintenance work must be carried out by
authorised and qualified personnel!
WARNING! Risk of electric shock!
Danger from electrical current must be
eliminated.
WILO SE 01/2018
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