Siemens POS8.4420/109 - Product Overview; Type Summary; Equipment Combinations; Features

Product overview
Type summary
2
A6V11471220_en--_e
5 | 70
2 Product overview
2.1 Type summary
Product
number
Stock number
Feature
LCD
display
with
backlight
Minimal
order
size
Temperature
sensor
Humidity
sensor
POS8.4420/109
S55625-H422-A100
Yes
No
Yes
20
POS8.4440/109
S55625-H444-A100
Yes
Yes
Yes
20
2.1.1 Equipment combinations
Type
Type no.
Document ID
Description
Controller
POS3.5715/100
A6V11417931
For HVAC controlling,
switching and monitoring
functions
2.2 Features
● 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 through KNX PL-Link
● Power supply of the room operator unit over KNX PL-Link
● LCD display with backlight
2.3 System topology
A
6
V
1
1
4
7
1
2
2
0
Z
0
1
QBM97
POS9
POS8.44 QMX3.P
POL903.00
POS3.xx15