Navien COMFORT MATE EQH-20WUS, Руководство по установке, Страница: 7 / 36

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Please follow the instructions when using the product.
Do not crumble or fold the mattress
when the boiler is operating.
It may lead to product malfunction.
Do NOT dismantle, repair, or alter the
product on your own.
When there is a need for repair, contact qualified
service agency as there may be a danger of
malfunction, electric shock, or fire.
Please use clean water (filtered water,
mineral water) and do not add any other
liquids. Do NOT use ground or well water.
It may cause production malfunction.
filtered/
mineral water
air fresheners air fresheners
detergent detergent
chemical agents
oil
Do not place heavy or sharp things
(tack, nail, knife, needle) on top of the
mattress in order to prevent accidental
damage.
It may lead to product deformation or fire.
Do not clean the boiler with unapproved
detergents or chemicals, such as benzene,
thinner, and alcohol.
It may lead to discoloration, and/or deformation.
benzene
Alcohol Thinner
When the room temperature is too low
(lower than 40°F/5°C), keep the power
cord plugged in to automatically prevent
freezing.
40°F/5°C