Navien NPE-180A, Руководство по эксплуатации

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4 Safety Information
DANGER
This water heater is set to 120°F (49°C) at the factory for your
safety and comfort. Increasing the temperature increases the
risk of accidental scalding. Water temperatures at or above
125°F (52°C) can cause instant scalding, severe burns, or death.
Before you decide to change the temperature setting, read the
following charts carefully.
Water
Temperature
Time in which a young child can suffer a
full thickness (3rd degree) burn*
70°C (160°F) Less than 1 second
60°C (140°F) 1 second
55°C (130°F) 10 second
49°C (120°F) 10 minutes
37°C (100°F) very low scald risk
Before setting the temperature at or above 125°F (52°C), consider
installing a thermostatically-controlled mixing valve or temperature-
limiting valve. Contact a licensed plumber or your local plumbing
authority for more information.
DANGER
HOT
BURN
To prevent burns:
Use the lowest operating temperature setting necessary to
●
provide comfortably-hot water.
If your household has children or elderly or disabled
●
residents, consider using a lower temperature setting.
Read all the instructions in this manual carefully before
●
changing the temperature setting.
Feel the water before using it on children, the elderly, or the
●
disabled.
If it is necessary to set the water heater above 125°F (52°C),
●
have a temperature-limiting valve or mixing valve installed
on the water heater.