Table of Contents
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Use
CA2N1645en_02
30 Jun 2009
DESIGO™ RX
Room unit with PPS2
interface
for use with:
– devices of the ranges DESIGO RXC, RXB, RXL, and RXA (PPS2)
– DESIGO PX Automation stations
– devices with a PPS2 interface
Room temperature measurement
Rocker switch for adjustment of the room temperature setpoint
Rocker switch for control mode selection (
the fan in fan-coil systems (up to 3 speeds)
PPS2 interface to controller
LCD with room temperature and control mode display
Socket for commissioning and service tool or service terminal
The room unit is used in rooms controlled by an individual room control system, to mea-
sure the room temperature and for operation of the room controller. The functions of the
Lcd Display are determined by the controller. If manual fan-speed control is enabled,
the room unit is suitable for control of a fan-coil system.
It can also be used in conjunction with a DESIGO PXC... automation station
The room unit incorporates a socket for a commissioning and service tool or service
terminal. This tool socket provides access via the PPS2 interface or via a bus system
(e.g. L
W
® bus) to the connected individual room controller.
ON
ORKS
1) If room units QAX32.1, QAX33.1, QAX34.1, or QAX84.1 are used in conjunction with a PXC auto-
mation station, the room unit will show the request of the user and not the effective state.
1
QAX34.1
1)
/ Auto) and manual control of
Building Technologies
645
1)
.
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Table of Contents
Related Manuals for Siemens QAX34.1
Summary of Contents for Siemens QAX34.1
- Page 1 ® bus) to the connected individual room controller. ORKS 1) If room units QAX32.1, QAX33.1, QAX34.1, or QAX84.1 are used in conjunction with a PXC auto- mation station, the room unit will show the request of the user and not the effective state.
- Page 2 The same switch can also be used for manual selection of up to three fan speeds. Siemens QAX34.1 – Room unit with PPS2 interface CA2N1645en_02 Building Technologies 30 Jun 2009...
- Page 3 Control sequence: Cooling Control sequence: Heating Room units with mode and fan-speed selection enabled: Fan speed 1: ON In room units allowing mode selection only: Auto: ON Siemens QAX34.1 – Room unit with PPS2 interface CA2N1645en_02 Building Technologies 30 Jun 2009...
- Page 4 A mounting kit is included with the unit. Installation notes Local installation regulations must be observed. Note! The room unit is not protected against connection to AC 230 V. STOP Siemens QAX34.1 – Room unit with PPS2 interface CA2N1645en_02 Building Technologies 30 Jun 2009...
- Page 5 + or – key is operated. The setpoint can be adjusted by pressing the key again. All other error codes indicate hardware faults. Siemens QAX34.1 – Room unit with PPS2 interface CA2N1645en_02 Building Technologies 30 Jun 2009...
- Page 6 See “Dimensions” NCS S 0502-G, RAL 9003 signal white Color Housing front Housing, base unit, rocker switches RAL 7035 light grey Weight Excluding packaging 0.12 kg Siemens QAX34.1 – Room unit with PPS2 interface CA2N1645en_02 Building Technologies 30 Jun 2009...
- Page 7 PPS2 LonWorks® Bus = Twisted pair Room unit QAX34.1 Room controller RXC... Connection for RXT10 commissioning and service tool Connection for service terminal with PPS2 interface Siemens QAX34.1 – Room unit with PPS2 interface CA2N1645en_02 Building Technologies 30 Jun 2009...
- Page 8 Dimensions All dimensions in mm 80088 2000 - 2009 Siemens Switzerland Ltd. Subject to change Siemens QAX34.1 – Room unit with PPS2 interface CA2N1645en_02 Building Technologies 30 Jun 2009...