User Manual

ManualsBrandsSiemens ManualsOperator unitsRoom operating unit POS8.4420/109; POS8.4440/109

A6V11519429_en--_a

2019

Room operator units

POS8.4420/109; POS8.4440/109

Communicating room operator units with KNX PL

Link.

● Measurement of room temperature (POS8.4420/109)

● Measurement of room temperature and humidity (POS8.4440/109)

● Keys to adjust the room temperature setpoint, ventilation, domestic hot water,

scheduler settings depending on the controller application

● LCD display of room temperature, operating modes, humidity (only for

POS8.4440/109), scheduler, notification, and clock setting

● Operation with 8 pushbuttons

● 2-wire interface to the controller via KNX PL-Link

● Power supply of the room operator unit via KNX PL-Link

● Backlit LCD display

Summary of content (11 pages)

PAGE 1
Room operator units POS8.4420/109; POS8.4440/109 Communicating room operator units with KNX PL-Link. ● ● ● ● ● ● ● ● A6V11519429_en--_a 2019-01-28 Measurement of room temperature (POS8.4420/109) Measurement of room temperature and humidity (POS8.4440/109) Keys to adjust the room temperature setpoint, ventilation, domestic hot water, scheduler settings depending on the controller application LCD display of room temperature, operating modes, humidity (only for POS8.
PAGE 2
Use ● ● ● ● Measure and indicate the room temperature with POS8.4420/109 Measure and indicate both room temperature and humidity with POS8.
PAGE 3
Elements Functions Alarm (A-alarm) notification normal and acknowledged Service (B-alarm) notification abnormal and unacknowledged Service (B-alarm) notification normal and unacknowledged Service (B-alarm) notification abnormal and acknowledged Acknowledge all notifications Reset Confirm Cancel Go back / +/- Exit / next Increase / decrease Add a switching point Edit Delete 1234567 1=Monday, 2=Tuesday, …, 6=Saturday, 7=Sunday Time Switch point Scheduler bar Read parameter Outside temperature Room temper
PAGE 4
Mechanical design 1 Frame for panel mounting 4 KNX PL-Link bus connector 2 Base plate with ● screw holes for all common conduit boxes in regions such as EU, UK, and so on. ● guide channels for wiring from center, up, or bottom 5 Jack connector for tool connection 3 Room operator unit Type summary Product number Stock number Feature Temperature sensor Humidity sensor LCD display with backlight Min. order size POS8.4420/109 S55625-H422-A100 Yes No Yes 20 POS8.
PAGE 5
Notes Security CAUTION National safety regulations Failure to comply with national safety regulations may result in personal injury and property damage. ● Observe national provisions and comply with the appropriate safety regulations. ● ● The device offers plug and play functionality. The device is powered via the connected controller on the KNX PL-Link interface or the jack connector. Engineering NOTICE De-energize the controller before wiring the device.
PAGE 6
● Seal the conduit box or the installation tube if any, as air currents can affect sensor readings. ● Adhere to allowed ambient conditions. For more information about mounting, see the Mounting instructions A6V10733764. Installation CAUTION The devices are not protected against accidental connection to AC 230 V. ● ● ● Use the correct cables for the KNX PL-Link bus. Do not interchange the wires of the KNX PL-Link cable. Observe all local installation regulations.
PAGE 7
Disposal The device is considered an electronic device for disposal in accordance with the European Guidelines and may not be disposed of as domestic garbage. ● Dispose of the device through channels provided for this purpose. ● Comply with all local and currently applicable laws and regulations. Warranty Technical data on specific applications are valid only together with Siemens products listed under "Equipment combinations".
PAGE 8
Technical data Power supply Operating voltage KNX PL-Link DC 21...30 V Max power consumption 7...10 mA Interfaces Type of port between controller and room operator unit KNX PL-Link Baud rate 9.6 kbps Protocol KNX PL-LINK Standard KNX connector Wire diameter 0.8 mm, max. 1.0 mm (solid conductors only) Cable type 2-core twisted pair, stranded, solid Single cable length (from room automation station <1000 m to room operator unit) Section 0.5…1.
PAGE 9
Standards, directives and approvals environmental benefit, disposal). *) Documents can be downloaded at the following address: http://siemens.com/bt/download NOTICE This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
PAGE 10
Diagrams Connection terminals KNX PL-Link plug Connector Pin Description + KNX PL-Link (positive) - KNX PL-Link (negative) To find the location of the KNX PL-Link plug, refer to Mechanical design NOTICE! Users can choose either pair of the pins to connect. NOTICE Wires are NOT interchangeable! The device is protected against faulty wiring, but communication does not work on interchanged wires. Do not connect the KNX / KNX PL-Link bus to the tool plug, only the tool.
PAGE 11
Dimensions Unit: mm Dimensions for housing Dimensions for mounting Issued by Siemens Switzerland Ltd Smart Infrastructure Global Headquarters Theilerstrasse 1a CH-6300 Zug Tel. +41 58 724 2424 www.siemens.com/buildingtechnologies Siemens Smart Infrastructure Document ID A6V11519429_en--_a Edition 2019-01-28 © Siemens Switzerland Ltd, 2019 Technical specifications and availability subject to change without notice.