Data Sheet for Product

Operating notes
Pattern Description
All symbols OFF
No supply voltage to the HTC3.2
Possible causes:
− Room controller off or faulty
− Bus cable not correctly connected, or connection broken
− HTC3.2 faulty
All symbols
flashing (2 Hz)
No communication with the room controller
Possible causes:
− Wrong bus address set on HTC3.2
− Wrong bus address set in room controller
− Bus cable not correctly connected, or connection broken
− Room controller in "Stop" mode
− Faulty RS485 interface
Alarm messages
Technical data
Operating voltage DC 9..0.15 V
Power supply (from HRC3..)
Current 20 mA
Bus interface Bus voltage SELV DC 12 V
Type RS485
Transmission speed 4800 baud
Temperature signal input Measuring range 5 … 45 °C
Measuring current
1 mA
Measuring element NTC 10 kΩ
Setpoint correction Correction range ± 2 or ± 4 K
Resolution 0.5 K or 1 K
Parameter setting Parameters set with internal software and
stored in EEPROM
Ambient conditions Operating temperature 0...+ 50 °C
Transport temperature
-25..+ 65 °C
Humidity <95 % non-condensing
Air pressure during operation Min. 700 hPa (3000 m above sea level)
Air pressure during transport Min. 260 hPa (10 000 m above sea
level)
Industry standards
Product safety
Automatic electrical controls for household
and similar use
EN 60 730-1
Electromagnetic
compatibility
Emitted interference in accordance with
Interference immunity in accordance with
EN 61000-6-3
EN 61000-6-2
Housing
protection standard
To EN 60,529 IP20
Protection class To IEC1140 III
conformity Meets the requirements of:
EMC Directive 89/ 336 / EEC
Low-voltage directive 73/23/EEC
Environmental
compatibility
Environmental product declaration
CM2E6320en provides data on
environmentally compatible product design
and assessment (material composition,
packaging, disposal)
ISO 14001 (environment)
ISO 9001 (quality)
UL/CUL approval UL/CUL 916
8/10
Building Technologies HTC3.2/.. - Room operator unit CM2N6320en
01.09.2008