3.10. Diesel Motor Pump Exhaust Gases; 3.11. Diesel Motor Ventilation; Electrical Connection; Diesel Motor Pump Connections - DAB 1 KDN Instructions Pour L'installation Et La Maintenance

3.9. Though the Diesel motor pump is more reliable than the electropump (it works even during a black out), it needs
particular precautions to avoid excessive noise, vibrations, contamination by exhaust gas, overheating.
Below are listed some measures to adopt to obtain maximum efficiency during operation.

3.10. DIESEL MOTOR PUMP EXHAUST GASES

Convey the exhaust gases outside the pump room using a specific pipeline (not supplied) connected to the silence
exhaust pipe supplied with the Diesel motor pump.
The exhaust pipe can run along the ceiling or the floor.
It must be protected against unfavourable weather conditions and provided with drainage for emptying any condensate.
To avoid exceeding the maximum value of back pressure at discharge (600 mm H2O for air-cooled motors and 100 mm
H20 for supercharged air-cooled motors), it is also recommended to adopt the following measures:

Preferably, the exhaust pipeline should not be more than 10 metres long.

If the exhaust pipeline is no more than 10 metres long, its diameter can be the same as or larger than the diameter of
the exhaust pipe of the Diesel motor.

If the exhaust pipeline is more than 10 metres long, its diameter must be the same as the diameter of the motor
exhaust pipe (in mm) multiplied by the length of the pipeline (in metres), divided by 8.
For example: 12 metre pipelines with Diesel engine exhaust pipe of 45 mm = (45 mm X 12 m):8 = 68 mm. The
pipeline, 12 metres long, must therefore be at least 68 mm in diameter.

Reduce as much as possible the number of bends used in the pipe (maximum 6) and opt for the use of bends with a
wide radius.

3.11. DIESEL MOTOR VENTILATION

For optimum operation the heat given off by the motor and by the exhaust pipes must be discharged outside the
pump room and a sufficient flow of combustion air must be guaranteed.
In most cases the natural circulation caused by the difference in temperature between the inside and outside air is not
enough. You must therefore:

guarantee the input of air through an opening suitably protected by a fixed grid,

use a fan to extract air from the pump room.
In the case of water-cooled motors, the surface of the air inlet and outlet holes must have at least the same dimensions
as the surface of the radiator.
In the case of air-cooled motors, the surface of the holes must be able to drain an air flow rate of at least 50.000
litres/min.
(technical data for the largest air-cooled Diesel motor used by DAB PUMPS).
4.

ELECTRICAL CONNECTION

ATTENTION: RESPECT THE SAFETY REGULATIONS IN FORCE
4.1. The electrical installation must be carried out by a qualified, skilled electrician (see point
2.1.) in compliance with the Safety Regulations in force in the country where the product
is installed.
4.2. Check the power supply voltage and frequency. Values differing from those on the motor plate could
cause irremediable damage.
4.3. Connect the leads of the power supply cable to the terminal board on the control panel, giving priority to
the earth lead.
For the wiring diagram of the control panel and the respective informative notes, see the enclosed
documentation.
5.

DIESEL MOTOR PUMP CONNECTIONS

Connect the two cables with the red terminal cover to the positive poles of the two batteries for starting the Diesel motor pump,
using the terminal clamps provided.
FROM
AUTOMATICALLY IN THE EVENT OF A FALL IN PRESSURE IN THE SYSTEM!!!
KEEP THE SELECTOR ON THE MOTOR PUMP PANEL IN ZERO POSITION – 0.
ENGLISH
THIS MOMENT THE DIESEL MOTOR
46
PUMP MAY START