QAA24-AP 室内温度传感器 -E

CE1N1748en 01.07.2002 Siemens Building Technologies HVAC Products 1748 Room Temperature Sensors QAA24/AP QAA25/AP • Landis & Staefa Ni 1000 sensing element • Units with (QAA25/AP) and without (QAA24/AP) setpoint adjuster Use In HVAC plants to acquire and adjust the room temperature, especially where a high level of comfort is required. Suitable for all systems and units that are capable of handling Landis & Staefa Ni 1000 signals, such as RWC.., RWD.., RWX62.. and RL..100. Functions The sensor acquires the room temperature by means of its Landis & Staefa Ni 1000 sensing element. The resistance value changes according to the ambient temperature. Type summary Type reference Description QAA24/AP Room temperature sensor QAA25/AP Room temperature sensor with setpoint adjuster from 5 to 35 °C ARG70 Adapter plate 120 x 120 mm for 4“ x 4“ conduit boxes ARG70.1 Adapter plate 96 x 120 mm for 2“ x 4“ conduit boxes Mechanical design The units have been designed for wall mounting. They are suitable for use with most commercially available recessed conduit boxes. The cables can be introduced from the rear (concealed wiring). 2/4 Siemens Building Technologies QAA24/AP and QAA25/AP Room Temperature Sensors CE1N1748en HVAC Products 01.07.2002 Installation notes On a flat inner wall of the space to be heated or air conditioned. Not in recesses, shelves, not behind curtains, not opposite or near heat sources. The unit must not be exposed to direct solar radiation. • When installing the unit, fix the baseplate first, then hook on the body and make the electrical connections. Then fit the cover and secure it. • The end of the conduit at the sensor must be sealed to prevent false measurements due to draughts through the conduit. • The permissible environmental conditions should be observed. • Installation instructions are printed on the packing. • Technical data Operating range 0 ...50 °C Setting rang for QAA25/AP 5...35 °C Temperature setpoint: 5 °C 35 °C corresponding resistance: 100 Ω 660 Ω Sensing element Landis & Staefa Ni 1000 (1000 Ω at 0 °C) Maximum voltage AC 24 V Time constant (with air movement) QAA24/AP QAA25/AP approx. 7 min approx. 7 min Terminals for cross-sectional areas of 2 x 1.5 mm2 or 1 x 2.5 mm2 Operation Climatic conditions Temperature Humidity Pollution degree to IEC 721-3-3 class 3K5 0...50 °C <85 % r. h. normal, to EN 60730 Transport Climatic conditions Temperature Humidity to IEC 721-3-2 class 2K3 -25...+65 °C <95 % r. h. Mechanical conditions class 2M2 Safety class III to EN 60 730 Degree of protection IP 30 to EN 60 529 CE conformity to EMC directive 89/336/EEC Weight approx. 0.1 kg Colour white, NCS S 0502-G (RAL 9003) Internal diagram L&S Ni 1000 B1M 174 8G 01 QAA24/AP B2 B1M L&S Ni 1000 17 48 G 02 QAA25/AP B1 Room temperature signal B2 Setpoint signal M Measuring neutral Location Notes General unit data Connection Environmental conditions Requirements Miscellaneous 3/4 Siemens Building Technologies Template PrDbA4b.dot zu Produkt-Datenblatt CE1N1748en HVAC Products 01.07.2002 Knob slots with temperature position Dimensions 96,4 99 ,6 42,8 30 02 M 01 28 28 30 01 M 02 30 30 28 3,6 30 30 28 86 86Unit and Baseplate 4/4 Siemens Building Technologies QAA24/AP and QAA25/AP Room Temperature Sensors CE1N1748en HVAC Products 01.07.2002 2002 Siemens Building Technologies Ltd.