User Manual

ManualsBrandsSiemens ManualsOperator unitsRoom unit with PPS interface

CE1N2281en

2014-11-10

Building Technologies

281

Room unit with PPS

interface

QAA50.110/101

· Digital, multifunctional room unit for operating heating controllers.

· Room temperature measurement and display

· Setting knob for manual setpoint adjustment

· Operating mode and a presence button

Application

Together with heating controllers for types:

· RVA...

· RVL4...

· RVP...

· RVD...

For plants in:

· Single family houses and duplexes

· Smaller multifamily houses

· Vacation homes and villas

Standard heating systems, such as radiator, convector, floor and ceiling heating

systems.

Use

Application

Summary of content (6 pages)

PAGE 1
2 s Room unit with PPS interface · · · · 281 QAA50.110/101 Digital, multifunctional room unit for operating heating controllers. Room temperature measurement and display Setting knob for manual setpoint adjustment Operating mode and a presence button Application Use Together with heating controllers for types: · RVA... · RVL4... · RVP... · RVD...
PAGE 2
Functions Main functions · · · · Operating functions · Setting knob for manual setpoint adjustment · Changeover of operating mode · Presence button Other features · Communication via PPS · Powered from controller module via PPS Room temperature and display Setpoint shift Operating mode selection Presence selection Type summary ASN QAA50.110/101 Type Room unit with PPS interface Technical features Operating mode button Automatic mode Control as per scheduler program.
PAGE 3
2281Z03 Display Symbols Heating to the nominal setpoint. Heating to the reduced setpoint. Neither nor Heating to frost protection setpoint. The flashing bell indicates one or more errors. Addressing The QAA50.101/101 can address heating zones 1 or 2. Addressing takes place on the service level. Addresses 1 and 2 are available. Address 1 is the factory setting. Procedure · Long press of the presence button. Activates the service level. "Address 1" is displayed.
PAGE 4
Notes Planning · The main occupancy or reference room is the proper installation location. · The installation location is chosen so that the sensor can capture the room temperature as accurately as possible, without being affected by direct solar radiation or other heating or cooling sources · Mounting height is about 1.5 meters above the floor. · The unit can be fitted to most commercially available recessed conduit boxes or directly on the wall. Mounting Wall mounting with base.
PAGE 5
Technical data Room temperature measurement Power supply Communication Degree of protection and safety class Environmental conditions Directives and standards Environmental compatibility Other features Measuring range 0...45 °C From the controller module PPS Terminals Cable length Cable resistance Power consumption Device protective type Degree of protection of housing Degree of pollution via PPS interface 2-wire connection (interchangeable) max. 75 m with a cross-section of 0.5 mm2 max.
PAGE 6
Connection diagrams 1 2 3 4 5 6 Connection diagram 4 3 2 1 PPS (interchangeable) PPS (interchangeable) - 2284Z40 6 5 D1 (A6) D2 (MB) - 96 91 2284M02 Dimensions 96 6/6 ã 2002, 2014 Siemens Switzerland Ltd Siemens Building Technologies Room unit with PPS interface 47 Subject to change CE1N2281en 2014-11-10