Steamtec AIO - Maintenance; Replace the heating elements; Replace the main board; Replace the sub-board

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TOLO SAUNA info@tolosauna.com www.tolosauna.com
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iv. Auto drainage:
If the Descaling time is set as “0”, and after the steam generator is off, system will drain
automatically and displays ‘ ” on the screen. The drainage valve will be turned on to
drain. If the Descaling time is NOT set as “0”, please ref to “S14 Descaling”.
8. Maintenance

As leakage of the steam will damage the equipment. To prevent any hazard, steam generators,
steam head, parts and pipe line connections should be checked regularly.

Clean the solenoid valve, magnetizer and all the other sets in the pipe line regularly according to
the local water quality and usage of the steam generator.

When operate, check the equipment to see whether it’s over heated, check the stability and
corrosion of all the wire plugs.
i. Replace the heating elements:
Switch off the steam generator and remove the element access cover when the generator
completely cools down. Label the wires connect to the heating elements which need to be
replaced and plug out the wires. Screw the heating elements out. Clear the scale in the water
tank and screw in the heating elements after putting the rubber rings on them (airproof
gasket should be pressed firmly without reversion). Plug on the wires, make sure the heating
elements are properly connected before put on the element access cover.
ii. Replace the main board:
The main board is inside the central function box. If need to replace the main board, please
contact your dealer.
iii. Replace the sub-board:
Switch off the steam generator and remove the U shape cover when the generator
completely cools down. Unplug all the wires on the sub-board. Label all the wires on the relay
and remove the sub-board. Install the sub-board back carefully.
iv. Replace the solenoid water inlet valve:
Switch off the steam generator and disconnect from the power and water supply. Remove the
water inlet, steam outlet and draining pipelines after the generator completely cools down.
Then please lean the steam generator to remove the base panel. After that, please take off
the soft pipes, wires and screws so that the faulty valve could be removed. Finally please
install the replacing valve carefully.
v. Replace the water level sensor:
Switch off the steam generator and remove the small cover on the equipment when the
generator cools down. Special care should be taken to the plugs of the water level sensor
corresponding to the blue wire, the red wire and the white wire respectively. Take off all the
wires, screw out the water level sensor, and screw in the new water level sensor until the
bottom of the plastic nut reaches the same height as the old one. Finally reconnect the wires
(all wire must be plugged back to the right place. ).