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Use only clean household tap water to throw on the stones.
Do not use hard, ferrous or chlorinated water.
Hard water causes white deposits on the stones and on the heater surface, and it also decreases the
heat accumulating property of the stones.
On the other hand, if the water you are using is ferrous, a rusty layer will cover the heating
elements and other parts of the heater and will lead to corrosion.
The use of seawater, chlorinated water and humus water can damage your
Combi Heater and its parts as well.
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3.3.1. Kind of Water to Use
Fill the Tank with water by pouring it through the hole designated for the Scent Basin.
The amount of water poured should be less than 50mm (minimum) from the top level of the tank
that it will not spill on the floor during boiling (MNC-30NSB, MNC-36NSB).
The water should not exceed the maximum mark or 2.5-liter marking on the Water Level
Indicator; otherwise it will spill on the floor.
If “FILL”is displayed on the external control unit,refill the Water Tank with cold household tap water.
Be careful in removing the Scent Basin during bathing, as it will be hot to touch. Do not attempt to
remove the Steamer Cover, as it will be extremely hot to touch.
Always make sure that there is a sufficient amount of water in the Water Tank before using the
Steamer.
3.4.1. Filling the Water Compartment
3.2. Using the Combi Heater
3.3. Producing the Steam
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Before turning on the Combi Heater, make sure that nothing else but stones are placed inside or
near the unit. For more safety instructions, please refer to Part 4 – Precautions section of this
manual. Bad odor may be detected when using the Combi Heater for the first time.To remove the
smell, just ventilate the Sauna Room.
It is important that you choose the correct power rating of the Combi Heater that will correspond
to your Sauna Room size.Part 6 (Technical Data) of this manual will help you to make the right
choice.
A properly selected Combi Heater allows to reach the bathing temperature within one hour.
If the heater power is too big for the Sauna Room,the room will heat up faster than the stones and
will cause the water thrown on the stones to go through the stone compartment too quickly.
On the other hand, if the heater power is too little for the Sauna Room,the water thrown on the
stones will not increase the temperature; instead,it will only cool the stones thus decreasing the
temperature inside the Sauna Room.
Your Sauna Room must have suitable insulation and wall materials. Refer to Part 8 (The Sauna
Room) of this manual for guidance.The bathing temperature should preferably be within the range
of 65 to 80 degrees Celsius,while the Steamer is switched off.
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Throwing water on the stones increases the moisture level inside the Sauna Room
and the heater increases the temperature.
The amount of water thrown on the stones determines the moisture content of the air.
Three ladles of water at a time are enough to enjoy the Sauna.Throwing too much water on the
stones may cause scalding water to splash on the bathers, as the water may not evaporate
immediately.
Make sure there is no one sitting near or next to the heater before throwing water on the stones.
3.4. Using the Steamer
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The Mini Combi Heater has a 2.5-liter Water Tank.When filled with 2.5-liter water, steam can be
produced for approximately 1 hour if set to max.
To ensure ideal humidity, the Sauna temperature should be between 40 and 50 degrees
Celsius,and the Steamer should be left on for 20 minutes to pre-heat the Sauna and produce
sufficient amount of steam before bathing.
Do not force larger stones in place if they do not fit in between the heating elements.
They should be removed.
Small pieces of stone (35mm in diameter) must not be put inside the heater as they can block the air
circulation, which can cause overheating resulting to damage of the heating elements.
NOTE:A damaged heating element due to overheating caused by using the wrong kind of stones or
incorrect loading of stones will not be covered by the factory warranty.
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Fig. 8 How to Load the Stones
DO NOT USE CERAMIC STONES!
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The Combi Heater is equipped with a Low Water Level Detection System, which prompts the
user to refill water before the Water Tank runs dry.
Once the water reaches the REFILL mark, the Low Water Level Detection System will be activated.
The Low Water Detection System will automatically turn off the Steamer when only 0.8-liter water
is left in the tank and “FILL”is displayed on the external Control Unit.A warning sound (buzzer-like)
will also be emitted to catch the user’s attention. Once refilled,the Combi Heater will automatically
turn on again.
Be careful in refilling water, as the Water Tank will be very hot to touch.
If,despite the“FILL” message and warning buzzer, water has not been refilled, the Steamer will
turn back on.The“FILL” message will be repeatedly displayed until water is refilled or the
Steamer is turned off.
To preserve the heating plate and for a longer life span of the Combi Heater, avoid letting
the steamer run dry.
3.4.2. Low Water Level
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3.5. Draining and Cleaning the Water Tank
The Water Tank should be emptied and cleaned after every use to ensure that always
fresh and clean steam is produced.
Wait for the unit to cool down before draining the water.
To drain the water, turn the Ball Valve handle at the bottom of the Water Tank
counterclockwise until water flows out of the tank. Provide a container to collect the water.
Once the water is completely drained, remove the Steamer Cover and clean the tank
inside with a household brush to remove impurities that have accumulated in the tank,
and then rinse with water.
Do not use a steel brush as it might damage the tank wall or the bottom heating plate.
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3.
4.
