Table of Contents
3
Page
Vitocrossal 300 CU3A 26 to 57 Operating
5673 650 - 01
Safety
General Information
Controls
Operation
Safety, Installation and Warranty Requirements..............2
About these Instructions.............................................6
For your Safety ..........................................................6
Operation .............................................................6
Working on the equipment ......................................6
Maintenance and cleaning .......................................6
Flue gas smell .......................................................6
Dangerous conditions .............................................6
Technical information .............................................6
Carbon monoxide ...................................................7
For safe operation ..................................................7
Frozen water pipe hazard ........................................8
Replacement components, spare and wear parts ........8
Installation area conditions ......................................8
Sources of combustion and ventilation air
contaminants ........................................................8
Commissioning ..........................................................9
Terminology ..............................................................9
Your System is Preset at the Factory ............................9
Central heating ......................................................9
Time and date .......................................................9
Power failure .........................................................9
DWH heating ........................................................9
Frost protection .....................................................9
Wintertime/summertime changeover .........................9
Energy Savings Tips .................................................10
Central heating ....................................................10
DHW heating ......................................................10
Tips for More Comfort ..............................................11
DHW heating ......................................................11
Central heating ....................................................11
Opening the Control Unit ...........................................11
Overview of Controls ................................................12
Modular structure ................................................12
Programming unit (H01B) ......................................12
Programming Unit ....................................................13
“Help” menu .......................................................13
Symbols .............................................................13
Standard Menu ........................................................14
Setting the standard room temperature for the
primary heating circuit ..........................................14
Setting the operation program for the
primary heating circuit ..........................................14
Extended Menu ........................................................14
How to Use the Controls ...........................................15
Operating Program ...................................................16
Operating programs for central heating, DHW, frost
protection ...........................................................16
Special operating programs ...................................15
With frost protection monitoring ............................16
Without frost protection monitoring........................16
Information on a prolonged shutdown.....................16
Time Program ..........................................................17
Example of time phases within the time program for
central heating ....................................................17
Setting a time program .........................................17
Setting a time program using central heating ...........17
Setting the time program efficiently .......................18
Deleting time phases ............................................18
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