akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany Tel.: +49 (0) 511 16 59 672-0 ·
4
Fig. 5.1 Mounting
6 Electrical wiring
DANGER
Dangerous voltage
Even if the auxiliary voltage is switched off, dangerous voltage up to 400 V may
exist!
Make sure that the device is fully disconnected from auxiliary power and
measuring voltage before starting any commissioning or repair work.
Connect the power supply only after the wiring has been completed.
–
The voltmeter must be provided with its own fuse or a circuit breaker.
–
300 mA fuse or circuit breaker is recommended.
–
Connect the leads of the supply and measuring voltage according to Fig. 3 to the device.
–
The maximum wire size is 0.75 mm².
Fig. 6.1
7 Operation
After the power supply is switched on the following values will be displayed successively:
−
Firmware checksum (8 digits, ticker-tape)
−
Firmware version (Ux.xx)
−
Measuring voltage
If the measuring voltage is less than 5 V the error message
0000
will be displayed.
If the measuring voltage is greater than 400 V the error message
HHHH
will be displayed.
If the measuring voltage is not displayed correctly, check the connecting cable and the
polarity.
8 Maintenance
The maintenance includes:
–
cleaning the housing and the terminals from dust, dirt and debris
–
checking the fastening of the device
–
checking the wiring (connecting leads, fastenings, mechanical damage)
The device should be cleaned with a damp cloth only. No abrasives or solvent-containing
cleaners may be used.