Endress+Hauser Liquiline CM444 - Mounting the Measuring Device; Post Mounting

Electrical connection Liquiline CM442/CM444/CM448
16 Endress+Hauser
5 Electrical connection
5.1 Connecting the measuring device
L
WARNING
Device is live!
Incorrect connection may result in injury or death!
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The electrical connection may be performed only by an electrical technician.
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The electrical technician must have read and understood these Operating Instructions and
must follow the instructions contained therein.
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Prior to commencing connection work, ensure that no voltage is present on any cable.
NOTICE
The device does not have a power switch!
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Provide a protected circuit breaker in the vicinity of the device at the place of installation.
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The circuit breaker must be a switch or power switch, and must be labeled as the circuit
breaker for the device.
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At the supply point, the power supply must be isolated from dangerous live cables by
double or reinforced insulation in the case of devices with a 24 V supply voltage.
5.1.1 Opening the housing
NOTICE
Pointed or sharp tools
If unsuitable tools are used, they can scratch the housing or damage the seal, and thus have a
negative impact on the leak-tightness of the housing!
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Do not use pointed or sharp objects,e.g. knives, to open the housing.
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Only use a suitable Phillips screwdriver.
1.
2.
3.
4.
 13 Releasing housing screws in a diagonally
opposite sequence with Phillips screwdriver
≤180°
 14 Opening display cover, max. opening angle
180˚ (depends on installation position)
1. Release the housing screws on a step-by-step basis. Start with any screw of your choice.
Then release the screw diagonally opposite this screw etc.
2. To close the housing: tighten the screws in a similar step-by-step, diagonally opposite
sequence.