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Key to symbols and safety instructions
5
Greentherm T9800 SE 160/199 – 6 720 816 815 (2022/01)
H WARNING:
Never shut off safety valves!
▶ Water may escape from the safety
valve at any time when the water is
being heated.
H WARNING:
Inspection/maintenance
▶ Servicing and repairs may only be
carried out by a trained and certified
installer.
▶ Immediately correct all faults to
prevent system damage.
▶ Use only Bosch spare parts!
H CAUTION:
Instruct the customer.
▶ Explain to the customer how the
appliance works and how to operate
it.
▶ Inform the customer that he/she must
not carry out any alterations or
repairs.
H DANGER:
Risk of electric shock!
▶ Ensure that only an authorized
contractor performs electrical work.
▶ Before performing electrical work,
disconnect the power and secure the
unit against unintentional
reconnection.
▶ Ensure the system has been
disconnected from the power supply.
H DANGER:
Risk of scalding at the hot water
fixture!
▶ When the water heater is in operation,
temperatures in excess of 120 °F
(49 °C) can occur. To limit the
temperature at the faucet, install a
thermostatic DHW mixing valve.
▶ Water heated for washing the laundry,
dishes and for other cleaning
purposes can cause scalding and
permanent injuries.
▶ Children, disable and elderly are at
highest risk of being scalded. Never
leave such individuals in the tub or
shower unattended under any
circumstances. Children must not be
allowed to operate hot water faucets
themselves.
▶ 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 faucet or water heater. Select
and install the automatic mixing
valve in accordance with the valve
manufacturer's recommendations
and instructions.
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