HNE MFU 50-150, Руководство пользователя

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Mobile Foam Unit Version 50-150 14 of 36
5 Water and operation conditions
5.1 Water supply

The suction inlet requires cold and clean water, free of suspended matter.

Preferably, fill the tank with clean tap water . Dirt, germs or algae may affect the function of
the solenoid valves or the ability of the foaming agent.

To prevent germs and algae, you may add an algaecide concentrate in appropriate dosage
to the water tank.

Suction from external water sources (pond, pool, river, etc.) with floating filter only.

Range of water temperature: + 3 to 38 ° Celsius, maximum suction lift: app. 2.5 meters.
5.2 When mounted stationary
…
Observe the following criteria regarding the place of installation:

Ventilation of engine exhausts and fresh air supply must always be ensured.

The air-cooled engine radiates a significant amount of heat when running.

Ambient temperature should stay b3 to +45° C. Keep the temperature rise of longer
operating times in mind.

The place of installation has to be dry, frost-safe and free of dust.

The unit must be leveled with 5 cm minimum distance to the ground.

The system should be easily accessible from all directions for maintenance and cleaning.

No heat-sensitive objects in the immediate vicinity of the exhaust system.

No flammable gases or liquids may be stored in the same room.
5.3 When mounted on vehicles
…
The same criteria as above (5.2) apply. Pay additional attention to the following points:

Do not park the vehicle in frost-prone places or for long periods in blazing sun.

Keep as much distance as possible from the water tank to the device.

The MFU should be operated in horizontal position. Place the vehicle on level ground
wherever possible.
ATTENTION
The unit must be kept absolutely free of frost. At temperatures
below + 3° Celsius, water-filled areas of the system are at risk
of frost damage.
Suck pressure-free water only. When using a pressurized
hydrant, refill the water tank directly.