Related Manuals for Siemens DESIGO RXA20.1
Summary of Contents for Siemens DESIGO RXA20.1
- Page 1 ä ä ä ä DESIGO Installation guide Siemens Building Technologies CA2Z3884en Building Automation 08.2001...
- Page 2 Siemens Building Technologies Installation guide CA2Z3884en Building Automation 08.2001...
- Page 3 AC 230 V supply cables ................5 AC 24 V transformer sizing ................5 Signal cables ....................5 Cables for AC 24 V triac outputs and AC 24 V supply......6 Relay outputs....................7 Siemens Building Technologies Installation guide CA2Z3884en Landis & Staefa Division 08.2001...
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Page 4: Electromagnetic Compatibility (Emc)
Foil screen Vapor-plated screen Unsatisfactory Do not use cables of less than the specified cable cross-section. Conductors must Cable cross-section not be wired in parallel as a means of increasing the cross-section. Siemens Building Technologies Installation guide CA2Z3884en Building Automation 08.2001... -
Page 5: Signal Cables
Max. length of single conductor where A ≥ 1.0 mm Room unit : 125 m (and see table) Cable type: 2-core, twisted pair, unscreened Diameter Max. length of single cable [mm] 1.00 1.15 0.75 0.98 0.50 0.80 Siemens Building Technologies Installation guide CA2Z3884en Building Automation 08.2001... - Page 6 1.00 1.15 11.5 0.96 1.02 11.0 LiYYP 0.75 0.98 0.56 0.81 LiYYP 0.50 0.80 0.34 0.64 LiYYP 0.28 0.60 (G51/G87) LiYYP 0.25 0.57 0.22 0.51 11.5 0.15 0.40 LiYYP 0.14 0.39 Siemens Building Technologies Installation guide CA2Z3884en Building Automation 08.2001...
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Page 7: Relay Outputs
The maximum resistive load is 1.8 kW. Loads above this value cause excessive wear of the contact in the case of PWM operation An external fuse of max. 10 A must be provided to protect the pcb tracks in the controller. Siemens Building Technologies Installation guide CA2Z3884en Building Automation... - Page 8 Siemens Building Technologies Ltd. Building Automation Gubelstrasse 22 CH-6301 Zug Tel. +41 41-724 24 24 Fax +41 41-724 35 22 © 2001 Siemens Building Technologies Ltd. www.landisstaefa.com Subject to change Siemens Building Technologies Installation guide CA2Z3884en Building Automation 08.2001...