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English (GB) Safety instructions
CONTENTS
Page
1. Symbols used in this document
2. Applications
The JP Basic Booster is suitable for pressure
boosting of fresh water in domestic water supply
systems.
3. System sizing
4. Electrical connection
Check that the supply voltage and frequency
correspond to the values stated on the nameplate.
Single-phase motors incorporate a thermal switch
and require no additional motor protection.
Calculating the cut-in and cut-out
pressures
Adjusting the precharge pressure
Warning
Prior to installation, read these
installation and operating instructions.
Installation and operation must comply
with local regulations and accepted
codes of good practice.
Warning
If these safety instructions are not
observed, it may result in personal
injury.
Warning
If these instructions are not observed,
it may lead to electric shock with
consequent risk of serious personal
injury or death.
Caution
If these safety instructions are not
observed, it may result in malfunction
or damage to the equipment.
Note
Notes or instructions that make the job
easier and ensure safe operation.
Warning
The system in which the product is
incorporated must be designed for the
maximum pump pressure.
Warning
The electrical installation should be
carried out by an authorised person in
accordance with local regulations.
Warning
During electrical installation, make sure
that the power supply cannot be
accidentally switched on.
Warning
The unit must be connected to an
external mains switch with a minimum
contact gap of 3 mm in all poles.
As a precaution, the pump must be
connected to a socket with earth
connection.
We recommend to fit the permanent
installation with an earth leakage circuit
breaker (ELCB) with a tripping current
≤
30 mA.
