DAB 1 NKV EN Instrucciones Para La Instalación Y El Mantenimiento página 27

INDEX
1. GENERAL
2. WARNINGS
2.1. Skilled technical personnel
2.2. Safety
2.3. Responsibility
3. INSTALLATION
4. ELECTRICAL CONNECTION
5 CHECKING OPERATION OF THE SET
5.1. Checking operation of the Electropump
5.2. Checking operation of the Compensating Electropump (Pilot Pump)
5.3. Sets with several pumps
6 PERIODIC MAINTENANCE
6.1. Weekly check
6.2. Monthly check
6.3. Quarterly check
6.4. Half-yearly check
6.5. Yearly check
6.6. Three-yearly check
6.7. Ten-yearly check
7. REGULATING THE SET
7.1. Calibration of the pressure switches
8. COMPENSATING ELECTROPUMP
9. MAINTENANCE
9.2 Troubleshooting
1. GENERAL
Read this documentation carefully before installation. Installation and operation must comply with the local
safety regulations in force in the country in which the product is installed. Everything must be done in a
workmanlike manner and exclusively by qualified technical personnel (paragraph 2.1) in possession of the skills
required by the regulations in force. Failure to respect the safety regulations not only causes risk to personal
safety and damage to the equipment, but invalidates every right to assistance under guarantee.
Keep this manual with care for further consultation even after the first installation.
2. WARNINGS
2.1. Skilled technical personnel
It is indispensable that installation be carried out by competent, skilled personnel in possession
of the technical qualifications required by the specific legislation in force.
The term skilled personnel means persons whose training, experience and instruction, as well as their
knowledge of the respective standards and requirements for accident prevention and working conditions, have
been approved by the person in charge of plant safety, authorizing them to perform all the necessary activities,
during which they are able to recognize and avoid all dangers. (Definition for qualified technical personnel IEC
60634)
2.2. Safety
Use is allowed only if the electric system is in possession of safety precautions in accordance with the regulations in force in
the country where the product is installed (for Italy CEI 64/2).
2.3. Responsibility
The Manufacturer does not vouch for correct operation of the set or for any damage that it may cause if it
has been tampered with, modified and/or run outside the recommended work range or without the aid of
our control and protection panels.
The Manufacturer declines all responsibility for possible errors in this instructions manual, if due to
misprints or errors in copying. The Manufacturer reserves the right to make any modifications to
products that it may consider necessary or useful, without affecting their essential characteristics
3. INSTALLATION
The set must be fitted in a well ventilated place, protected from unfavourable weather conditions, and with
3.1.
an environment temperature not less than 4°C (10°C if motor pumps are installed too), and not exceeding
40°C. Position the set in such a way that any maintenance jobs can be carried out without difficulty.
Ensure that the system pipes are independently supported and do not weigh down on the set manifolds so as
3.2.
to avoid deformation or breaking of any of its components.
3.3. Vibration-damping couplings should be fitted between the suction and delivery pipes and the system.
ENGLISH
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