KRAL KV - Page 42

15 Accessories
15.1 Heating
Commissioning the electrical heating system
DANGER
Magnetic field.
Risk of death for persons with cardiac pacemaker, metallic implant or neurostimulator.
► Under no circumstances may persons with cardiac pacemakers, metallic implant or
neurostimulator perform work on the pump/pump unit.
DANGER
Risk of injury through emitted pumped liquid.
The pump housing may burst through heat expansion of the pumped liquid.
► Open all the valves during the heating process.
1. Switch on the electric heating system.
2. Take the required heating-up periods into account Ä Accessories,Page40.
15.1.3 Fluid heating system
072
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Fig.13: Fluid heating system
072 Heating cover
1 Pipe connection
The fluid heating system consists of a heating cover 072 attached additionally to the end cover through
which a heating fluid (for example vapour, thermal oil) flows.
Scope of delivery:
Size K 5–2900
1 heating cover
4 socket screws
Tab.16: Scope of delivery of the fluid heating system
Heating liquid operating data
Parameter Unit Value
Max. operating overpressure [bar] 16
Max. temperature [°C] 200
Tab.17: Heating liquid operating data
Heating-up period
Required heating-up period for the temperature difference of 50°C at a liquid temperature of 200°C:
Size Heating-up period [min] at a temperature difference of 50°C
5–118 20
160–275 45
370–450 60
550–660 90
851–1301 120
1500–1700 150
2200–2900 180
Tab.18: Heating-up period for fluid heating system
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OIK 09en-GB Edition 2019-11
Operating instructions