DP Pumps Hydro-Unit Utility Line F, Инструкция по установке и эксплуатации

Страница: 38 / 96

38 / 96
6.2 Operating limits
DANGER
Non-compliance with operating limits
Damage to the pump set!
Ø Comply with the operating data indicated in the data sheet.
Ø Avoid operation against a closed shut-off element.
Ø
Never operate the pump set outside the limits specified below.
DANGER
Non-compliance with operating limits for the fluid handled
Explosion hazard!
Ø
Never use the pump to handle different fluids which might react chemically
with each other.
Ø Never use the pump to handle a flammable fluid with a fluid temperature
above the ignition temperature.
6.2.1 Frequency of starts
To prevent high temperature increases in the motor and impermissible loads on the pump,
motor, seals and bearings, do not exceed a certain number of starts per hour. See original
operating manual of the pump sets.
6.2.2 Ambient temperatures
Observe the following parameters and values during operation:
Table 11: Permissible ambient conditions
Ambient condition Value
Ambient temperature 0 °C to +30 °C
Relative humidity 50 % maximum
6.2.3 Maximum operating pressure
CAUTION
Permissible operating pressure exceeded
Damage to connections and seals!
Ø
Never exceed the operating pressure specified in the data sheet.
The maximum operating pressure equals 16, 25 or 40 bar, depending on the design variant.
See name plate.
6.2.4 Fluid handled
6.2.4.1 Permissible fluids to be handled
– Clean fluids not chemically or mechanically aggressive to the pump materials
– Drinking water
– Service water
– Cooling water