Technical Data - Siemens QAA73.210 User Manual

Power supply, interface
Room temperature
measurement
Housing protection
Protection class
Degree of contamination
Environmental conditions
Standards and directives
Other features
Siemens
Building Technologies
8

Technical data

OpenTherm Bus
Terminals
Cable length
Cable resistance
Power consumption
Measuring range
According to EN12098:
Range 15...25 °C
Range 0..15 °C or 25...50 °C
Resolution
as per EN 60529
as per EN 60730
as per EN 60730
as per EN 60721-3-1
as per EN 60721-3-2
as per EN 60721-3-3
Product standard Automatic electronic
controls for household and similar use
Electromagnetic compatibility
Immunity (industrial & domestic)
Emissions (domestic)
conformity
Meets requirements of EMC directive
Reduction of hazardous
substances
Backup of time
Software class
Weight with / without packaging
Dimensions
Room Unit for Boiler Control
Technical data
2-wire, interchangeable
max. 50 m
max. 2 x 5 Ω
20 mW (typically)
0...50 °C
within tolerance of 1.3 K
within tolerance of 1.6 K
1/10 K
IP20
III for proper installation
Normal contamination
Storage class 1K3,
Transportation class 2K3,
Operation class 3K5,
EN 60730-1
EN 60730-1
EN 60730-1
2004/108/EC
2002/95/EC
min. 12 h
A to EN 60 730
0.152 kg / 0.115 kg
See diagram
-20...70 °C
-25...70 °C
0...50 °C
(without condensation)
33 / 36
CE1U2283en
2015-09-16