Manufacturer's Declaration; Warranty And Manufacturer Identification - Helo R20 Manuel D'installation Et D'utilisation

The stones do not become hot enough.
Have you burned enough wood in the furnace?
Burn enough wood in the heater, refer to the amounts of wood in Table 2.
Is the draft too weak?
Is the amount of stones correct?
- At the sides, there should be stones to the level of the sides, and in the middle, only half a stone can raise above the
side level.
Are the stones too tightly packed?
- Place the stones loosely, so there will be enough space between the stones.
Are the stones of good quality and the right size?
- Use peridolite or dunite stones, min 10 cm in diameter. Place flat stones vertically.
The sauna room won't become warm enough.
Are the doors, windows and air conditioning closed, and the combustion air opening open?
Is the sauna new, are the wooden structures damp for some other reason?
Is the heater used correctly?
Have you burned enough wood in the furnace?
- Burn according to instructions.
Is the draft too strong?
- Use the damper to adjust the draft.
Is the draft too weak?
Has the heater been sized correctly?
Is the draft height (chimney height) sufficient to the surrounding environment?
- If there are trees close by, a steep hill etc., the chimney needs to be over 3.5 m measured from the floor.
Is the amount of stones correct?
- At the sides, there should be stones to the level of the sides, and in the middle, only half a stone can raise above the
side level.
Are the stones too tightly packed?
- Place the stones loosely, so there will be enough space between the stones.
Are the stones of good quality and the right size?
- Use peridolite or dunite stones, min 10 cm in diameter. Place flat stones vertically.
The sauna heats up quickly, but the stones are not hot.
Is the amount of stones correct?
- At the sides, there should be stones to the level of the sides, and in the middle, only half a stone can raise above the
side level.
Are the stones too tightly packed?
- Place the stones loosely, so there will be enough space between the stones.
Is the heater too big?
- Keep the ventilation valve open to keep extra heat out. This way the stones will have time to heat up as well. It will take
a bit longer to heat the sauna this way.
The water doesn't heat up properly in a heater model with a water tank.
Is the draft too strong?
- There's a flame in the interconnecting pipe, which is red hot, even though the lower part of the heater, inside the cover,
does not burn red. See section 3.2. on adjusting the draft and heating efficiency.
Has the heater been sized according to the instructions?
There are black flakes under the heater.
The stones may be weathered.
The flakes can be metallic anvil cinder, fallen off the heater. The heater has been heated too much red-hot; the metal will
flake and the heater will break prematurely.
There's a smell of sulphur in the sauna.
The stones have sulphur residues from blasting, or the stone includes sulphur naturally.

6. Manufacturer's declaration

This product fulfils claims mentioned in the certificate of approval and documents related to it.

7. Warranty and manufacturer identification

WARRANTY
Helo products are of high quality and reliable. Helo Oy grants a 2v year factory warranty to its Helo wood-burning sauna
heaters covering manufacturing defects.
Damages caused by incorrect use or use which is not in accordance with instructions will not be covered by the warranty.
MANUFACTURER
HELO OY, , Pohjoinen Palbontie 1, 10940 Hangonkylä , FINLAND
Tel. +358 (0)207 560300 Email: info@helosauna.com
www.helo.fi/DoP
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