Davey 6 Submersible Borehole Pumps - Manual (Page 2)

2
Thank you for purchasing a quality Davey product.
These operating instructions contain fundamental
information and precautionary notes. Please read the
manual thoroughly prior to installation of unit, electrical
connection and commissioning.
Contents
Page
1. Delivery and Storage ...................................... 3
1.1 Delivery ............................................................ 3
1.2
Storage and Handling ....................................... 3
2. General Data ................................................... 3
2.1 General Description .......................................... 3
2.2 Applications ...................................................... 3
2.3
Pumped Liquids ................................................ 3
3. Installation at Site ........................................... 3
3.1 Positional Requirements .................................. 3
3.2 Diameter of Pump/Motor .................................. 4
4. Electrical Connection ..................................... 4
4.1 General ............................................................. 4
4.2
Checking of Direction of Rotation ..................... 4
5. Pump Installation ........................................... 4
5.1 Assembly of Motor & Pump .............................. 4
5.2 Riser Pipe ......................................................... 4
5.3 Cable Fitting ..................................................... 4
5.4 Lowering the Pump .......................................... 4
5.5 Installation Depth .............................................. 4
6. Start -Up .......................................................... 5
7. Minimum Flow Requirements ....................... 5
8. Water Temperature ......................................... 5
9. Maximum Start & Pressure
System Installation ......................................... 6
10. Maintenance and Service .............................. 6
11. Fault Finding Chart ........................................ 7
12. Disposal .......................................................... 7
General
This pump has been developed in accordance with
state-of-the-art technology; it is manufactured with
utmost care and subject to continuous quality control.
These operating instructions are intended to facilitate
familiarisation with the pump and its designated
use. The manual contains important information for
reliable, proper and efficient operation. Compliance
with the operating instructions is of vital importance
to ensure reliability and a long service life of the
pump and to avoid any risks. This pump must not
be operated beyond the limit values specified in the
technical documentation for the medium handled,
capacity, speed, density, pressure, temperature
and motor rating. Make sure that operation is in
accordance with the instructions laid down in this
manual or in the contract documentation.
The name plate indicates the type series, main
operating data and works/serial number; please quote
this information in all queries, repeat orders and
particularly when ordering spare parts.
Safety
These operating instructions contain fundamental
information which must be complied with during
installation, operation and maintenance. Therefore
this operating manual must be read and understood
both by the installing personnel and the responsible
trained personnel/operators prior to installation and
commissioning, and it must always be kept close to
the location of operation of the machine/unit for easy
access.
Marking of instructions in the
manual
The safety instructions contained in this
manual whose non-observance might
cause hazards to person are specially
marked with the general hazard sign,
namely:
(safety sign)
Non-compliance with safety instructions
Non-compliance with safety instructions can
jeopardise the safety of personnel, the environment
and the machine itself. Non-compliance with these
safety instructions will also lead to forfeiture of any
and all rights to claims for damages.
In particular, non-compliance can, for examples, result in:
- failure of important machine/unit functions,
- failure of prescribed maintenance and servicing
practices,
- hazard to persons by electrical, mechanical and
chemical affects.
Safety awareness
It is imperative to comply with the safety instructions
contained in this manual, the relevant national and
safety regulations and operators own internal work,
operation and safety regulations.
Safety instructions for maintenance, inspection
and installation work
The operator is responsible for ensuring that all
maintenance, inspection and installation work
be performed by authorised, qualified specialist
personnel who are thoroughly familiar with the
manual.
Work on the machine must be carried out only during
standstill. The shutdown procedure described in the
manual for taking the machine out of service must be
adhered to without fail.
Pumped liquids that may be hazardous to
health must be decontaminated prior to
maintenance.
Immediately following completion of the work, all
safety-relevant and protective devices must be re-
installed and/or re-activated.
Unauthorised modification
and manufacture of spare parts
Modifications or alterations of the machine are only
permitted after consultation with the manufacturer.
Original spare parts and accessories authorised by
the manufacturer ensure safety.