User Manual

ManualsBrandsSiemens ManualsRoom controlsFan coil unit with variable fan speed, heating and cooling coil (4 pipe) on triac output, DXR2.E09T-101A

Application Sheet CBA002

Active chilled beam with variable fan, cooling coil and hot water

radiator on triac output

DXR2..09T-101A

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Technical information in this document are subject to change. Drawings serve illustration purposes only.

Siemens is not responsible for content and any manual modifications.

2019-02-21

A6V10662233_en--_b_--_10

∂ Cooling with active chilled beam on triac output

∂ Optional heating with LTHW radiator on triac output

∂ Automatic or manual variable fan speed control DC 0...10 V

∂ Room temperature and fan speed operation via KNX PL-Link room operator unit with temperature

measurement

Plant diagram

DXR2… Room automation station R Room

B1 Extract air temperature sensor R1 Room operator unit with

B3 Supply air temperature sensor temperature sensor

D1 Window contact YC Cooling coil valve

D2 Presence detector YR Radiator valve

Q1 Variable speed fan

Function diagrams Heating/cooling valves DC 0...10 V fan

Q Fan output signal Y Valve output signal

SpC Effective cooling setpoint YC Cooling coil valve

SpH Effective heating setpoint YR Radiator valve

TR Room temperature

Summary of content (6 pages)

PAGE 1
Application Sheet CBA002 Active chilled beam with variable fan, cooling coil and hot water radiator on triac output ∂ ∂ ∂ ∂ DXR2..09T-101A Cooling with active chilled beam on triac output Optional heating with LTHW radiator on triac output Automatic or manual variable fan speed control DC 0...
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Application Sheet CBA002 Active chilled beam with variable fan, cooling coil and hot water radiator on triac output Description of functions Siemens devices Optional 1) DXR2..09T-101A Basic functions ∂ PID control for cooling. ∂ 3-position valves are controlled by triac outputs for cooling. ∂ The fan is controlled manual on the room operator unit or automatic with variable speed. ∂ The temperature is measured in the room operator unit.
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Application Sheet CBA002 DXR2..09T-101A Active chilled beam with variable fan, cooling coil and hot water radiator on triac output Variants Legend Type of unit Data sheet Product No. Qty. R1a KNX PL-Link wall-mount room sensor for temperature N1602 QMX3.P30 1 R1b KNX PL-Link flush-mount room operator unit N1601 QMX3.P36 1 R1c KNX PL-Link flush-mount room sensors N1411 AQR253… AQR257… 1 YCa 2-port, 3-port valve or 3-port valves with bypass, PN16 N4847 V..P47..
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Application Sheet CBA002 Active chilled beam with variable fan, cooling coil and hot water radiator on triac output DXR2..09T-101A Application configuration On-board output KNX PL-Link devices Equipment Fan speed Values/Range Variable speed; Y10; 0...
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Application Sheet Active chilled beam with variable fan, cooling coil and hot water radiator on triac output CBA002 DXR2..
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Siemens Switzerland Ltd Building Technologies Division International Headquarters Gubelstrasse 22 CH-6301 Zug Tel. +41 41-724 24 24 Fax +41 41-724 35 22 www.siemens.com/buildingtechnologies © 2017 Siemens Switzerland Ltd Subject to change 6/ 6 Technical information in this document are subject to change. Drawings serve illustration purposes only. Siemens is not responsible for content and any manual modifications.