KRAL DKC Series - 10 Operation; Dangers during operation

10 Operation
10.1 Dangers during operation
20
22
25
10
11
12
1
2
3
4
5
Kondensator
Temperaturwächter
Auf
Wegschalter
Zu
Heizwiderstand
Zus. Wegschalter
Zu
Condenser
Temperature control
Open
Way switch
Close
Heating resistor
Add. Way switch
Close
6
Auf / Open
Auf
Open
Zu
Close
Zu / Close 1-ph AC
Fig.15: Pin assignment of the electrical actuator
1
Fig.16: Pin assignment of the pneumatic actuator
1 Compressed air connection
3. When connecting the pump station to the complete system continue equipotential bonding.
10 Operation
10.1 Dangers during operation
The following safety instructions must be observed strictly:
o Have all work carried out only by authorized qualified personnel.
o Before commissioning ensure that a safety valve has been installed in the pressure-side pipe sys-
tem to protect the pump station.
o Before commissioning, make sure that the suction line and pump station are filled.
o Pumped liquids can be hot, poisonous, combustible and caustic. Use corresponding protective
equipment.
o Observe the operating instructions of the pump and the further components.
o Ensure that the pump station is only operated within the operating limits.
o Ensure that during cooling down or heating up the pump station is only subjected to slow temper-
ature changes.
o Ensure that existing safety equipment is not bypassed or activated during operation.
o Before decommissioning ensure that the electrical power supply is deenergized and is secured
against being switched back on.
Operating instructions
OID 02en-GB Edition 2019-11
29