Bosch Greenstar ZBR16-3A Operating Instructions Manual page 9

Danger of explosion of flammable gases.
B Only employ a trained and certified contractor to carry out
work on the gas train.
Risk of scalding
B If running at DHW temperatures above 104 °F (40 °C) ask a
trained and certified heating contractor to install a tempering
valve to prevent scalding.
B When the thermal disinfection function is enabled, DHW
temperatures above 140 °F (60 °C) can occur.
Risk of damage due to operator error
Operator errors can result in personal injury and damage to
property.
B Ensure that children never operate this appliance unsupervised
or play with it.
B Ensure that only people who know to operate this appliance
correctly have access to it.
Installation, conversion
Only have the appliance installed or modified by a trained and
certified heating contractor.
Never modify any parts that carry flue gas.
Never close the outlet of safety valves. Water may be expelled
from any safety valve during heat-up.
6 720 644 013 (2011/02)
Guideline to symbols and safety instructions | 9