Viessmann VITOCAL 151-A - and Service Are Displayed; Panel Locked Is Displayed

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Cause Remedy

The time for a service as specified by your contractor

has arrived.

Proceed as described on page 42.

"Panel locked" is displayed

Cause Remedy

The control panel is locked. Unlock it: See page 34.

What to do if...

ë and "Service" are displayed

6171827

Main Page

Table of Contents6
Index Index8
Safety and Liability Safety Zone9
Liability10
Introductory Information Symbols11
Intended Use11
Product Information12
Type Plate12
Heat Pump Control Unit12
Permissible Ambient Temperatures in the Installation Room13
Outside Temperature Limits13
Safety Zone13
Service Link13
Low Power Radio13
Licence Information13
Commissioning14
Your System Is Preset at the Factory14
Energy Saving Tips14
Tips for Greater Comfort15
Quieter Operation15
Operation Operating Principles16
Touchscreen16
Status Display with Lightguide16
Screen Displays16
Standby Display16
Default Displays16
Home Screen16
Buttons and Symbols17
Buttons and Symbols in Menu Bar a17
Buttons and Symbols in Function Area B17
Buttons and Symbols in Navigation Area C18
Overview of the "Main Menu18
Menus Available in the "Main Menu18
Operating Program19
Operating Programs for Room Heating, Room Cooling and DHW Heating19
Special Operating Programs and Functions19
Procedure for Setting a Time Program19
Time Programs and Time Phases20
Setting Time Phases20
Copying the Time Program to Other Days of the Week21
Changing Time Phases21
Deleting Time Phases21
Default Displays Default Display "Indoor Environment22
DHW" Default Display22
Energy Cockpit" Default Display22
Checking the Heat Pump Operating Data23
Calling up the Energy Balance23
Favourites" Default Display23
System Overview" Default Display24
Room Heating/Room Cool-Selecting a Heating/Cooling Circuit25
Ing Setting the Room Temperature for a Heating/Cooling Circuit25
Setting Temperature Levels for Room Heating/Room Cooling25
Switching Room Heating/Room Cooling on or off (Operating Program)25
Time Program Room Heating/Room Cooling26
Setting the Time Program26
Setting the Heating Curve26
Temporarily Adjusting the Room Temperature27
Switching on "Extend Time Phase Once27
Switching off "Extend Time Phase Once27
Adjusting the Room Temperature for Longer Periods at Home28
Switching on "Holidays at Home28
Switching off "Holidays at Home28
Saving Energy During Long Periods of Absence28
Switching on the "Holiday Program29
Switching off the "Holiday Program29
DHW Heating DHW Temperature30
Switching DHW Heating On/Off (Operating Program)30
Time Program for DHW Heating30
Setting a Time Program30
Setting the Time Program for the DHW Circulation Pump30
One-Off DHW Heating" Outside the Time Program31
Switching on "One-Off DHW Heating31
Switching off "One-Off DHW Heating31
Increased DHW Hygiene31
Switching on Increased DHW Hygiene31
Switching off Increased DHW Hygiene32
Switching DHW Scald Protection On/Off32
Advanced Quieter Operation33
Setting the Time Program for Quieter Operation33
Operating Status for Quieter Operation33
Switching Emergency Mode On/Off33
Further Adjustments Disabling Operation34
Unlocking the Controls34
Changing the Password for the "Lock Panel" Function34
Setting the Display Brightness34
Switching the Lightguide on and off35
Adjusting the Signal Tone for On-Screen Buttons35
Naming Heating/Cooling Circuits35
Setting the "Time" and "Date36
Automatic "Summer/Wintertime" Changeover36
Setting the "Language36
Setting "Units36
Entering the Contractor's Contact Details36
Setting the Home Screen37
Switching Internet Access on or off37
Switching Wifi On/Off37
Establishing a Wifi Connection37
Static IP Addressing38
Switching off the Display Screen for Cleaning38
Restoring Factory Settings38
Checks Calling up Help Messages40
Checking Information40
Calling up Licence Information for the Programming Unit40
Calling up Licence Information for the Integral Communication Module TCU20140
Calling up the License Information for Third Party Components41
Third Party Software41
Calling up Licence Information for the Integral Communication Module TCU30042
Calling up the Heat Pump IP Address42
Screed Drying42
Checking Service Messages42
Calling up a Service Message43
Checking Fault Messages43
Calling up a Fault Message43
Checking Message Lists44
Switching on and off Shutting down the Heat Pump45
With Frost Protection45
Without Frost Protection Monitoring (Shutting down the System)45
Starting the Heat Pump45
Position of the ON/OFF Switch45
Wall Mounted Indoor Unit45
Floorstanding Indoor Unit with Integral DHW Cylinder46
What to Do if48
Rooms Are too Cold48
Rooms Are too Hot48
There Is no Hot Water49
The DHW Is too Hot49
Warning" Is Displayed49
Fault" Is Displayed49
External Hook-Up" Is Displayed49
Ë and "Service" Are Displayed50
Panel Locked" Is Displayed50
Maintenance Cleaning51
Inspection and Maintenance51
DHW Cylinder51
Safety Valve (DHW Cylinder)51
Potable Water Filter (if Installed)52
Damaged Cables / Lines52
Appendix Overview of "Main Menu53
Information on Disposal56
Disposal of Packaging56
Final Decommissioning and Disposal of the Heating System56
Keyword Index57

Viessmann VITOCAL 151-A - and Service Are Displayed; Panel Locked Is Displayed

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