Thermolec ACU-STEAM, User Manual

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8.5 Pull the plastic tube attached to the bottom of the overfl ow pan out of the rigid drain pipe on the wall.
You do not have to remove the plastic tube attached to the bottom of the pan. Remove the overfl ow pan from
the unit by lifting the front of the pan off the screw and pulling it towards you, slightly loosen the front screw if
nescessary. Please see Fig. 8a. Also remove the main drain tube from the rigid drain pipe attached to the wall
and check that both tubes are clean and clear from deposits.
8.6 CAUTION: Check that the water tank is not too hot to handle. Unfasten the latch around the water tank
and remove the tank bottom from the main body of the tank vessel by pulling it down carefully in a twisting
motion. Reminder: there should be a small amount of water in the tank. After you remove the tank, clean the
round o-ring gasket, but don’t discard it.
NOTE : This round gasket is mandatory and the tank will not seal properly without it, likely resulting in
a water leak.
8.7 There will be varying degrees of scale on the tank bottom/sidewalls and interal components which is a
normal byproduct of boiling water containing minerals. Simply discard the scale from the bottom of the tank,
leaving the scale on the tank sidewalls and elements (it will not adversely affect the operation of the unit).
Clean the scale from the bottoms of the stainless steel water discharge and water supply tubes using vinegar
or a cleaning product designed to remove scale, lime or calcium to enable unresricted water fl ow. If scale is
excessive, affecting the fl ow of water replace the drain tube and sensors when necessary (normally every 2-4
years); these replacement parts are included in a maintenance kit available from your installing contractor. DO
NOT use any acids when cleaning your Acu-Steam humidifi er.
8.8 Once completed, reinstall the o-ring gasket around the bottom tank collar. Please see Fig. 8b. Align the
two arrows located at the front of the tank and the fi xed part while lifting the tank in place. Please see Fig.8c.
Apply even pressure to secure the tank properly in the tank cover. Then close the latch holding the tank in
position. The clamp should close with minimal pressure. Verify that the o-ring gasket and tank are seated
properly by checking for leaks when re-starting the humidifi er.
Fig. 8b
Fig. 8c