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8012707/ZVF9/V2-1/2019-04 | SICK
O P E R A T I N G I N S T R U C T I O N S | GM32
Subject to change without notice
3
PREPARING THE GAS DUCT SIDE
3.5.4
Preparing the power supply
1
Requirements to connecting cable:
– Cross-section: 3 x 1.5 mm
2
– Temperature class: -40 ... +85 °C
2
Provide a separate external disconnecting device for:
– Connection unit (max. power input,
).
– For GMP probe: Purge air unit (
→
Technical data of the purge air unit)
– For GPP probe: Heater (max. power input,
see “Gas-testable measuring probe (GPP)”,
).
– Mark the disconnecting device as disconnecting device for the GM32.
3
Lay the electric lines of the power supply to the connection unit and connect the power
supply in the connection unit.
Always connect a protective conductor to PE.
Fig. 9: Power connection in the connection unit
4
For GMP probe: Lay the electric lines to the purge air unit.
For GPP probe: Lay the electric lines for the probe heater.
Take precautions to prevent switching off the purge air supply accidentally.
▸
Attach a clearly visible warning against accidentally switching off the separation
equipment for the purge air unit.
Power supply
100 .. 240 V / 50 .. 60 Hz
Always connect a
protective conductor to PE.
The power supply must remain switched off until the GM32 is to be put into
operation.
