Condair Nortec EL-Series, Руководство по эксплуатации и обслуживанию

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69 Maintenance Nortec EL
2582954_D_EN_1811_Nortec-EL_OM
5. Connect the fill hose to the drain valve, and secure it with the hose clamp.
6. Connect the electrical connectors and the ground wire to the drain valve.
7. Install the steam cylinder – refer to
"Removal and Installation of Steam Cylinder" on page 66 .
6.3.4 Replacement of Backup Battery and Fuses
DANGER!
Risk of electric shock!
The Nortec EL steam humidifier is mains powered. Live parts may be exposed when the door
panels are removed. Touching live parts may cause severe injury or even death.
Prevention
: Shut down the unit as described in "Shutting Down" on page 62 before replacing the
backup battery or fuses.
CAUTION!
Electrostatic discharge (ESD)!
The electronic components inside the control cabinet in the humidifier are sensitive to elec -
trostatic discharge (ESD).
Prevention: Take appropriate measures to protect the electronic components inside the unit against
damage caused by electrostatic discharge (ESD). Refer to ANSI/ESD-S20.20.
Only a qualified service technician authorized by the customer should replace the backup battery in the
control board and the fuses in the driver board(s).
Always replace defective fuses with new fuses that match the specification given in the procedure below.
Never short-circuit and bypass the fuses.
Replace the backup battery in the control board, and the fuses in the driver board(s) as follows. Refer
to Figure 14 on page 70 .
1. Remove the door panel on the control cabinet. Remove the locking screw and swing the front panel
open.
2. Replace the backup battery in the control board with a new 3V battery (CR 2032).
3. Replace the fuse "F1" with a new slow-acting 1A fuse.
IMPORTANT!
For safety reasons, always install the protective cover on the fuse "F3".
4. Remove the protective cover over the fuse "F3" in the driver board. Replace the fuse with a new
slow-acting 4A fuse. Install the protective cover on the fuse.
5. Close the front panel and install the locking screw to secure it. Install the door panel, making sure
that it is fastened securely.
6. Remove the lock and tag from the external disconnect switch, and restore power to the humidifier.