Manual FLOW 38 Page 23 (total 54) COMAC CAL s.r.o.
Replacement of tube fuse in the meter
!!! Risk of electric shock! Uncovered components generate dangerous voltages. Before removing the
cover from the electronics area, make sure that the meter is not under voltage!!!
The instrument fuse is on the power supply PCB and it is replaced as follows:
1. Switch off power.
2. Unscrew the rear cover of the meter housing
3. Remove the protective cover and replace the instrument fuse (use solely T250mA tube fuses for
230VAC power or T800mA for 24VAC/VDC power)
4. Proceed in reverse order to recover the function of the meter.
Wiring check
After completion of wiring, it is necessary to check:
- Connecting cables for damage.
- If the cables used are suitable for given cable entries.
- Cables for pull relief.
- Correct tightening of cable entries.
- Correct connection of cables to terminals.
- Whether the supply voltage corresponds with the nameplate data.
- After the meter is closed, tighten the covers properly to the O-rings.
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