KRAL OMG Series - Junction box; Function description; Technical data; Installing the junction box

16 Accessories
16.2 Junction box
X
2
1
3
4
1
5
6
5
7
Fig.10: Flowmeter with trace heating
1 Thermal insulation
2 Temperature sensor
3 Heating line
4 Flowmeter
5 Piping
6 Junction box
7 Pick up with connecting cable
X Area necessarily without thermal
insulation
Wind the heating line3 around the piping5. Ensure that the pick up7, temperature sensor2,
junction box6 and associated cables are not thermally insulated. The areaX must remain free of
thermal insulation.
16.2 Junction box
16.2.1 Function description
For the flowmeters the manufacturer offers a junction box. This simplifies the electrical connection of
the various sensors.
16.2.2 Technical data
Unit UZA 09 UZA 10 UZA 11
Suitable for Pick up BEG43, BEG44
Temperature sensor EET32, EET33, EET34
Electrical specification
o Number of sensor inputs
1 2 3
o Number of outputs
1 1 1
Mechanical specification
o Max. liquid temperature
[°C] 150
o Housing material
Aluminium
o Connection thread
M6
o Fastening
Direct installation on the flowmeter (except
OMG-013)
Tab.18: Junction box
16.2.3 Installing the junction box
Personnel qualification: o Fitter
o Electrician
Personal protective equipment: o Work clothing
o Protective gloves
o Safety boots
DANGER
Risk of death resulting from electric shock.
► Ensure that the electrical power supply is de-energized and is secured against being switched
back on.
► Observe the operating instructions of the electrical components.
Operating instructions
OIO 14en-GB Edition 2020-01
51