Data Sheet for Application

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

Application Sheet

CCG021/CCG021_H

Chilled ceiling with hot water radiator on triac output

DXR2..09T-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.

2021-08-27

A6V10662233_en--_e_--_05

• Heating with radiator/floor heating and cooling with chilled ceiling on triac outputs

• Modulating control of heating and cooling valve

• Downdraft compensation

• Condensation monitoring

• Room temperature operation via KNX PL-Link room operator unit with temperature measurement

Plant diagram

DXR2…

Room automation station

Room operator unit with

Window contact

temperature sensor

Presence detector

Cooling valve

Condensation monitor

Radiator valve

Room

Function diagrams

Heating/cooling valves

Cooling sequence

Room temperature

Heating sequence

Output signal

SpC

Effective cooling setpoint

Cooling valve

SpH

Effective heating setpoint

Heating valve

SpC

100

Y [%]

TR [°C]

SpH

Summary of content (6 pages)

PAGE 1
Application Sheet CCG021/CCG021_H Chilled ceiling with hot water radiator on triac output • • • • • DXR2..
PAGE 2
Application Sheet CCG021/CCG021_H Chilled ceiling with hot water radiator on triac output Description of functions Siemens devices Basic functions • PID control for heating and cooling. • 3-position valves are controlled by triac outputs for heating and cooling. • The temperature is measured in the room operator unit. • The application allows customers to adjust the room temperature setpoints via the room operator unit. • The operating modes are Comfort, Pre-Comfort, Economy and Protection.
PAGE 3
Application Sheet CCG021/CCG021_H Chilled ceiling with hot water radiator on triac output Variants DXR2..09T-101A 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..
PAGE 4
Application Sheet CCG021/CCG021_H Chilled ceiling with hot water radiator on triac output DXR2..
PAGE 5
Application Sheet Chilled ceiling with hot water radiator on triac output CCG021/CCG021_H DXR2..
PAGE 6
Issued by Siemens Switzerland Ltd Smart Infrastructure Global Headquarters Theilerstrasse 1a CH-6300 Zug +41 58 724 2424 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.