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Bosch Greentherm T9900 SE 160 Installation And Operating Instructions Manual page 6

Indoor residential tankless water heaters, 160 000/199 000 btu- natural gas 160 000/199 000 btu - liquefied petroleum lp gas
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Key to symbols and safety instructions
▶ If the building has occupants in the
above groups who operate hot water
faucets, or state laws / local
ordinances stipulate specific water
temperatures, take the following
precautions:
– Use the lowest possible
temperature setting.
– To prevent scalding, install a
tempering device, such as an
automatic mixing valve, at hot
water tap or water heater. Select
and install the automatic mixing
valve in accordance with the valve
manufacturer's recommendations
and instructions.
▶ Water exiting from drain valves can be
extremely hot. To avoid injuries:
– Check that all connections are
tight.
– Direct exiting water away from
people.
▶ Measures must be taken to protect
against excessive temperature and
pressure! Installation of a T&P safety
valve is required.
H WARNING:
Electrical safety
To protect against corrosion and ensure
compliance with the rules for electrical
safety, observe the following points:
▶ Use metal fittings for potable water
heating systems with plastic piping.
▶ Use only original accessories from the
manufacturer.
6
▶ When installation of the water heater
is complete, inspect and confirm
proper ground conductor.
H CAUTION:
Maintenance
▶ Inspect and maintain the water heater
on a yearly basis. Service as needed.
See chapter 7.1.
▶ Use only genuine spare parts.
H WARNING:
Flooding
▶ After a flood, do not use the appliance
if any part has been submerged.
Damage to appliances that have been
submerged can be quite severe and
pose numerous safety risks.
▶ Every appliance that has been
submerged must be replaced.
H WARNING:
For your safety
▶ Do not store or use gasoline or other
flammable, combustible or corrosive
vapors and liquids in the vicinity of
this or any other appliance.
Greentherm T9900 SE/i – 6 720 813 635 (2019/03)

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Greentherm t9900 se 199Greentherm t9900 se/i 199