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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...
- Page 4 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 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...
- Page 7 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...
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