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ManualsBrandsSiemens ManualsRoom controlsFan coil unit with staged fan, 6-way heating/cooling coil (4 pipe) on analog output, DXR2.E09-101A

Application Sheet FCU043

Fan coil unit with staged fan, heating and cooling coil (4 pipe) on

analog output

DXR2..09-

101A

1 / 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.

2019-02-21

A6V10662231_en--_c_--_01

∂ Heating with LTHW and cooling with CHW

∂ Modulating control of heating and cooling valve (4 pipe) on analog output

∂ Automatic or manual 3-speed fan control

∂ 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 YH Heating coil valve

Q1 3-speed fan

Function diagrams Heating/cooling valves 1-2-3-speed fan

Q Fan output signal SpH Effective heating setpoint

Q1 Fan speed 1 TR Room temperature

Q2 Fan speed 2 Y Valve output signal

Q3 Fan speed 3 YC Cooling coil valve

SpC Effective cooling setpoint YH Heating coil valve

Summary of content (6 pages)

PAGE 1
Application Sheet FCU043 Fan coil unit with staged fan, heating and cooling coil (4 pipe) on analog output ∂ ∂ ∂ ∂ DXR2..
PAGE 2
Application Sheet FCU043 DXR2..09-101A Fan coil unit with staged fan, heating and cooling coil (4 pipe) on analog output Description of functions Basic functions ∂ PID control for heating and cooling. ∂ The 4 pipe system provides hot and chilled water for the heating coil and the cooling coil. ∂ 0...10 V valves controlled by analog outputs for heating and cooling. ∂ The fan is controlled manual on the room operator unit or automatic in 3 speeds. ∂ The temperature is measured in the room operator unit.
PAGE 3
Application Sheet FCU043 DXR2..09-101A Fan coil unit with staged fan, heating and cooling coil (4 pipe) on analog output Optional 1) Legend Type of unit Data sheet Product No. Qty.
PAGE 4
Application Sheet FCU043 DXR2..09-101A Fan coil unit with staged fan, heating and cooling coil (4 pipe) on analog output Application configuration On-board output Equipment Fan speed Cooling coil valve position Heating coil valve position KNX PL-Link devices Room operator unit device 1 Values/Range 1-stage; Q14; Normally open 2-stage; Q14, Q24; Normally open 3-stage; Q14, Q24, Q34; Normally open Variable speed; Y10; 0...10 V Water; Y20; 0...10 V Water; Y30; 0...10 V Electric modulating; Y30; 0...
PAGE 5
Application Sheet FCU043 DXR2..09-101A Fan coil unit with staged fan, heating and cooling coil (4 pipe) on analog output Engineering ∂ ABT Site engineering tool is required to configure the DXR2 automation stations. ∂ See the Siemens Download Center at www.siemens.com/bt/download for the latest application configuration and workflow tutorials. ∂ Option combination according to available on-board I/Os on controller.
PAGE 6
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 © 2015 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.