User Guide

6 | Key to symbols and safety instructions
6 720 806 993 (2013/03)Greenstar
For appliances operating on room air: Danger of flue gas poisoning if supply of
combustion air is insufficient
▶ Safeguard supply of combustion air.
▶ Do not cover or reduce the size of ventilation openings in doors, windows and
walls.
▶ Safeguard sufficient supply of combustion air also for appliances installed at a
later date, e.g. kitchen exhaust fans, clothes dryers, and air conditioning units
with vent to the outside.
▶ Never operate the appliance if the supply of combustion air is insufficient.
Danger of explosion of flammable gases.
▶ Only employ a trained and certified contractor to carry out work on the gas train.
Risk of scalding
▶ 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.
▶ 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.
▶ Ensure that children never operate this appliance unsupervised or play with it.
▶ 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.
Inspection and maintenance
The operator is responsible for safety and environmental compliance of the heating
system.