Unger DI400 - Manual (Page 12)

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Safety regulations
1. Safety regulations
1.1 General
Please observe the applicable rules and regulations, as well as the
effective accident prevention regulations.
Unger is not liable for any occurring water damage.
Make sure that the area of application has sufficient water drainage.
Close feed valve in case of prolonged shut-down times (e.g. weekends).
1.2 Safety information in these operating and
installation instructions
Hazard information or very important information is marked with
the warning triangle. Information is marked with an information sign.
1.3 Intended use
This device may cause danger if it is improperly installed, not regularly
maintained or not used as intended.
Use this device only for water treatment to reach an optimal water
quality for glass cleaning.
Any other use, especially water treatment for food production
(e.g. beverages) is considered as non-intended and not allowed.
The regulations of DIN1988/EN1717 apply for installation.
1.4 Operating temperatures, pressures and connections
The system must be protected against frost. The temperatures in the
service room must be at least 4°C. The water temperature may not
exceed 30°C, and maximum operating pressure is 10 bar.
Depending on the composition of the raw water, the treated water is
more or less aggressive. Thus, the parts getting in contact with the
treated water must be made of suitable material.
1.5 Conversions and modifications to the device
Due to safety reasons, unauthorised modifications are not allowed.
Original parts and accessories are specifically designed for this device.
Any liability by the manufacturer for damages resulting from modifications
to the device or from using parts other than original parts is excluded.