User guide

SAUNATEC HELO HSX Steam generator
15
DESCALING INSTRUCTIONS.
The descale procedure with the HELO HSX-steam generator is easy to carry out. Use only the
recommended citric acid according to the instruction beneath.
Helo HSX-steam generators are supplied with a plugged descale access pipe for filling the tank with
the mixture.
Descale instructions step-by-step.
1. Add 50g of citric acid into 1 liter of fresh water and mix well.
2. Open the descale plastic cover on the generator and open the cap on the pipe.
3. Pour the mixture into the tank of the steam generator and close the cap.
4. Start up the steam generator and let the citric acid solution boil in the tank for approx. 10
minutes. Stop the generator and depending on if there is a automatic or manual valve
proceed as following:
a. Automatic drain valve: The tank drains and flushes itself 15 minutes after the stop-
command. After the drain and flush, start the generator and let it fill up with water
before pressing the stop button again and Wait for the tank to drain again. This flush-
procedure can be carried out 3-5 times.
b. Manual drain valve: After the boiling procedure wait and let the citric acid stand in
the tank for approx. 15 minutes, then drain the tank by opening the manual valve.
After the tank is empty close the valve and start up the generator again and let it fill
up with fresh water. After that press the stop button and drain the tank again. This
flush-procedure can be carried out 3-5 times.
The steam generator is ready for use after descaling and if a smell of citrus occurs in the
steam room; it is not harmful to the health and can be eliminated by flushing the generator
again.
STEAM GENERATOR IN PUBLIC USE.
In addition to the descale procedure above it is advisable to maintain a proper service interval on a
steam generator in public use (run-time 5 hours or more per day). This service, for example made
every 6th. month (more often if the water-conditions require), should consist of a visual check on
the interior of the tank, the scale build up on elements and level probe.
The tank can be cleaned on the inside through the fastening holes of the elements.