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The STR is a series of wall modules optimized for public
facilities such as office buildings, hotels, hospitals, schools
and shopping malls. Their pleasant appearance and well-
designed interface make them suitable for any
contemporary building. They are easy to operate and
install.
STR wall modules are designed to be mounted directly on
the wall or onto a variety of back-boxes/J-Boxes. The plug-
in concept makes wiring quick and easy.
TECHNICAL DATA
Ambient conditions:
Storage .......... -20 to +80 ºC (-4 to 176 ºF) max 90% RH
Operation ......... 0 to +50 ºC (32 to 122 ºF) max 90% RH
Mechanical
Enclosure rating ........................................ IP20 / NEMA1
Enclosure material ................................. PC/ABS plastic
Weight ........................................................ 85 g (0.19 lb)
Dimensions:
Please refer to figure overleaf
Standards:
EMC ....................................... EN 50081-1, EN 50082-1
Safety Standard ................................. UL 916 (pending)
Flammability rating ......................................... UL 94V-0
Wiring
Cable type .................................. Twisted pair, shielded
Maximum capacitance, conductor-conductor ....... 30pF
Maximum capacitance, conductor-shield ............. 55pF
Cable size .............................. Min 0.25 mm
Distance ............................................. Max 30 m (100 ft)
Subject to modification.
STR250
Wall Module
FCC part 15 class B
2
(24 AWG)
1 (2)
The STR250 replaces the I/STAT LCD with regard to major
functionality such as indoor and outdoor temperature
indication, setpoint adjustment, bypass mode and fan
speed commands.
The STR250 can be used with the 7728, MRs, and Xenta
102-AX controllers.
Temp range/resolution .......................Controller-dependent
Temperature accuracy ................................ 0.6 ºC (1 ºF)
Sensor element .................................. 10kW Thermistor
Data communication
Serial Proprietary ............................ STR250 - Controller
Power Requirements
+12V DC ................................... supplied from controller
Part number:
STR250 ........................................................ 0-046-0330
24 Oct 2003
0-003-2307-1 (EN)
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Related Manuals for t.a.c. STR Series
Summary of Contents for t.a.c. STR Series
- Page 1 STR250 24 Oct 2003 Wall Module The STR is a series of wall modules optimized for public The STR250 replaces the I/STAT LCD with regard to major facilities such as office buildings, hotels, hospitals, schools functionality such as indoor and outdoor temperature and shopping malls.
- Page 2 CONFIGURATION USER INTERFACE Bypass Button Controller-Dependant All local configuration steps for the The Bypass button is used to The functions of the STR250 are controller are carried out using an force the controller into controller- dependent. All local M/STAT module plugged into the core occupied mode for a configuration is carried out using an panel of the STR250.
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