KRAL DKC Series - Protecting the pump station against pressure peaks; Installing the heating system (optional); Danger when installing the heating element; Installing the electrical heating system

8 Installation, removal
8.4 Protecting the pump station against pressure peaks
8.4 Protecting the pump station against pressure peaks
ATTENTION
Damage to the plant components through pressure peaks.
► Use pulsation damper.
Notice The pulsation damper is available as an option from the manufacturer.
Install the pulsation damper in the pipe system.
-or-
Mount the pulsation damper on the pump station.
8.5 Installing the heating system (optional)
8.5.1 Danger when installing the heating element
The following safety instructions must be observed strictly:
o Ensure that any vapours arising can escape freely.
8.5.2 Installing the electrical heating system
The electrical heating system is installed in one heating duct within the station block in the case of the
small pump station and in two heating ducts within the station block in the case of the large pump sta-
tion.
Personnel qualification: o Electrician
Personal protective equipment: o Work clothing
o Protective gloves
o Safety boots
DANGER
Risk of injury through emitted thermal oil.
In the case of complete filling of the heating duct the station block may burst.
► Observe the upper filling limit of the heating duct.
5
4
3
2
1
1 Connecting cable
2 Heating element
3 Seal ring
4 Screw plug heating element
5 Seal ring
1. Slide the seal ring 3, screw plug of the heating element4 and seal ring5 onto the heating ele-
ment2.
2. Screw the screw plug of the heating element4 tight.
Operating instructions
OID 02en-GB Edition 2019-11
23