Shutting Down The Unit - Carel heaterSteam User Manual

13. SHUTTING DOWN THE UNIT

When shutting down the unit at the end of the season or for maintenance on the electrical and/or hydraulic parts, the
humidifier should be put out of operation.
The water should not be emptied from the cylinder before shutting down the humidifier to avoid the hardening of the
deposits contained in the cylinder and thus making them more difficult to remove.
OFF
connection tube to the bottom manifold, on which the cylinder is inserted.
In the event of malfunctioning of the drain electrovalve, the cylinder can be emptied manually, by removing the connection
tube from the level control housing spigot and slowly draining the water into the bottom collection tank.
The cylinder can also be emptied with the appliance closed, proceeding as follows on the control panel:
turn the unit off using the rocker switch on the lower right of the frame (see Fig. 13.1);
turn the unit on again;
within 5 seconds from turning the unit on, press the
after 2 seconds the drain electrovalve is activated until the buttons are released; when the buttons are released, the
command can be repeated within 5 seconds, otherwise the humidifier will need to be turned off and on again.
Carel code +030221761
Follow the instructions below (safety procedure):
Fig. 13.1
open the disconnecting switch on the power line to the humidifier;
open the rocker switch in the lower right of the frame, (see Fig. 13.1)
checking that the display on the control module is off;
close the shut-off tap for the water supply to the humidifier.
If the cylinder needs to be emptied when shutting down to remove the
deposits, before switching off power to the unit, press the DRAIN rocker
switch, thus forcing the drain electrovalve to open, keeping it in this position
manually until the water is completely emptied (see Fig. 13.1).
The water level can be seen through the level control housing and in the corresponding
and buttons together;
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preliminary version - rel. 2.0 - 03/09/99
heaterSteam