Siemens QAA70 User Manual
QAA70
Room Unit
Basic Documentation
Edition 2.1
SW-Version 1.20 or higher
CE1P1638E
17.04.2000
Siemens Building Technologies
Landis & Staefa Division
2/20
Siemens Building Technologies CE1P1638E
Landis & Staefa Division 17.04.2000
Contents
1 Summary.........................................................................................................5
1.1 Brief description...............................................................................................5
1.2 Functions.........................................................................................................5
1.3 Product range..................................................................................................5
1.4 Field of use......................................................................................................5
1.4.1 Target market..................................................................................................5
1.4.2 Types of houses and buildings........................................................................6
1.4.3 Types of heating plants ...................................................................................6
1.5 Product liability ................................................................................................6
2 Handling ..........................................................................................................6
2.1 Engineering and mounting...............................................................................6
2.2 Electrical installation........................................................................................7
2.2.1 Regulations for installation ..............................................................................7
2.2.2 Connection diagrams.......................................................................................7
2.3 Commissioning................................................................................................8
2.4 Display and operating elements......................................................................8
2.4.1 Operating elements.........................................................................................8
2.4.2 Display.............................................................................................................8
2.5 Operation.........................................................................................................9
2.5.1 Selecting the operating mode..........................................................................9
2.5.2 Info button........................................................................................................9
2.5.3 Temperature readjustments ..........................................................................10
2.5.4 Presence button ............................................................................................10
3 Parameter settings for the end-user..............................................................11
3.1 General..........................................................................................................11
3.2 Setting the temperatures...............................................................................11
3.3 Heating program............................................................................................12
3.4 Setting the time of day...................................................................................12
3.5 Actual values.................................................................................................12
3.6 Holiday function.............................................................................................13
3.7 Retrieving the default values.........................................................................13
3.8 Default values................................................................................................13
3.9 Status displays ..............................................................................................14
4 Operation by the heating engineer................................................................14
4.1 Activating the service and parameter setting level........................................14
4.2 Settings..........................................................................................................14
4.3 Leaving the service and parameter setting level...........................................15
3/20
Siemens Building Technologies Room Unit QAA70 CE1P1638E
Landis & Staefa Division Contents 17.04.2000
5 Example of plant............................................................................................16
6 Technical data................................................................................................17
7 Dimensions....................................................................................................18
4/20
Siemens Building Technologies Room Unit QAA70 CE1P1638E
Landis & Staefa Division Contents 17.04.2000
1 Summary
1.1 Brief description
The QAA70 is a digital, multi-functional room unit designed to enhance room comfort
and the functions of the following types of heating controllers and boiler management
units:
• RVP digital of the D-series
• RVP54...
• ALBATROS™ controllers type RVA...
• LGM11...
The room unit enables all key functions to be controlled from the living room.
1.2 Functions
Ergonomic and function-specific operating levels and clear assignment of the basic
functions:
• Operating mode, setpoint readjustment and presence button are directly accessible
• Various actual values can be called up with the Info button
• Additional functions can be parameterized after opening the cover
• Specific service level with protected access
• Every setting or change is shown on the display and thus acknowledged
• Heating program with up to three heating periods per day (can be individually
selected)
• Holiday program
• Possibility of resetting the heating program to the default values
• Programming lock (protection against tampering)
• Additional connection facility for:
− One remote temperature sensor, or for
− Changing the operating mode via the telephone network using an external switch,
or for
− Changing the operating mode via a window switch
• Minimum backup of 12 hours; individually programmed values remain stored in non-
volatile memory
• Elegant housing made of recyclable plastic
1.3 Product range
Room unit QAA70
Remote room temperature sensor QAW44…
1.4 Field of use
1.4.1 Target market
The QAA70 room unit has been designed for the OEM market. It is delivered directly to
the boiler manufacturer and is conceived to enhance the functions and the operation of
boiler temperature controllers.
5/20
Siemens Building Technologies Room Unit QAA70 CE1P1638E
Landis & Staefa Division Summary 17.04.2000
1.4.2 Types of houses and buildings
The room unit is suited for the following types of houses and buildings, depending on
the type of controller with which it is used:
• Single- and two-family houses
• Smaller multi-family houses
• Holiday houses and villas
• Small commercial buildings
1.4.3 Types of heating plants
Suitable for all standard heating systems, such as radiators, convectors, underfloor and
ceiling heating systems. Especially suited for heating plants that use a pump heating
circuit.
1.5 Product liability
• The room unit may only be used in building services plant and applications as indicated above
• When using the unit, all requirements specified in “Technical data” must be observed
• Local regulations for electrical installations must be complied with
2 Handling
2.1 Engineering and mounting
• The QAA70 room unit should be mounted in the main living room
• The unit should be sited such that its sensor can acquire the room temperature as
accurately as possible. This means that it should not be exposed direct solar radiation nor should it be affected by heat or refrigeration sources
• Mounting height is about 1.5 m above the floor
• The room unit fits on most commercially available recessed conduit boxes or can be
mounted directly on the wall
6/20
Siemens Building Technologies Room Unit QAA70 CE1P1638E
Landis & Staefa Division Handling 17.04.2000
Loading...