Siemens Building Technologies
Basic Documentation REA22
Issue 2.0
CE1P2276E / 31.03.1999
Landis & Stefa Division
3/30
Contents
1
Summary.........................................................................................................5
1.1
Brief description ..........................................................................................5
1.2
Features .....................................................................................................5
1.3
Field of use .................................................................................................6
1.3.1
Target market ........................................................................................6
1.3.2
Types of buildings .................................................................................6
1.3.3
Types of systems ..................................................................................6
1.3.4
Controllable equipment .........................................................................6
1.4
Product liability ...........................................................................................7
2
Handling .........................................................................................................8
2.1
Engineering ................................................................................................8
2.2
Mounting.....................................................................................................9
2.3
Electrical installations ...............................................................................10
2.3.1
Regulations for installation ..................................................................10
2.3.2
Connection diagram ............................................................................10
2.4
Display and operating elements ...............................................................11
2.5
Startup ......................................................................................................12
2.5.1
First startup .........................................................................................12
2.6
Short-term individual settings ...................................................................13
2.6.1
Short-term increase/decrease of actual room temperature .................13
2.6.2
Short-term change of temperature level ..............................................13
3
Description of end-user settings ................................................................14
3.1
Set the time of day or weekday ................................................................14
3.2
Select operating modes ............................................................................14
3.3
Enter individual temperatures and heating periods...................................15
3.3.1
7-day time switch.................................................................................15
3.3.2
Check settings of the 7-day time switch ..............................................16
3.3.3
24-hour mode with one heating period ................................................16
3.3.4
24-hour mode with two heating periods...............................................17
3.3.5
24-hour mode with three heating periods ............................................17
3.3.6
Continuous normal temperature ..........................................................18
3.3.7
Continuous economy temperature ......................................................18
3.3.8
Continuous standby with frost protection.............................................18
3.4
Holiday program .......................................................................................19
3.5
Reset to standard values ..........................................................................20