User Guide
Table Of Contents
- Contents
- 1 Key to symbols and safety instructions
- 1.1 Key to symbols
- 1.2 Safety instructions
- 2 Information about the appliance
- 3 Preparing the appliance for operation
- 4 Operation
- 4.1 Overview of controls
- 4.2 Switching the appliance ON/OFF
- 4.3 Turning the space heating ON
- 4.4 Programming the heating control unit
- 4.5 ZBR..-3A appliances with DHW tank: Setting the DHW temperature
- 4.6 ZWB..-3A appliances (combi boilers): Setting the DHW temperature
- 4.7 Setting manual summer mode
- 4.8 Setting frost protection
- 4.9 Activating the key pad lock
- 4.10 Display codes
- 5 Thermal disinfection
- 6 Energy saving tips
- 7 Troubleshooting
- 8 Maintenance
- 9 Environmental responsibility/disposal
- 10 Quick reference
- Index

Key to symbols and safety instructions | 5
6 720 806 993 (2013/03)
Greenstar
1.2 Safety instructions
General information
This manual is available in English and French.
▶ Keep this manual for future use.
▶ Observe the safety instructions of this manual before putting the heating
appliance into operation.
If the information in this manual is not followed exactly, a fire or explosion may result
causing property damage, personal injury or loss of life.
▶ Do not store or use gasoline or other flammable vapors and liquids in the vicinity
of this or any other appliance.
▶ What to do if you smell gas
– Do not try to light any appliance.
– Do not touch any electrical switch; do not use any phone in your building.
– Immediately call your gas supplier from a neighbor’s phone. Follow the gas
supplier’s instructions.
– If you cannot reach your gas supplier, call the fire department.
▶ Installation and service must be performed by a trained and certified heating
contractor, service agency or the gas supplier.
If you smell gas
▶ Turn off the gas cock ( page 12).
▶ Open windows and doors.
▶ Do not operate any electrical switches.
▶ Extinguish all open flames.
▶ From outside the building, call gas utility company and a trained and certified
heating contractor.
If you smell flue gas
▶ Switch OFF the appliance ( page 14).
▶ Open windows and doors.
▶ Inform a trained and certified heating contractor.