Data Sheet for Application

ManualsBrandsSiemens ManualsRoom controlsSupply and extract VAV with analog VAV controller, heating and cooling coil and hot water radiator on triac output, DXR2.E18-102A

Application Sheet

INT151

Supply and extract VAV with KNX PL-Link VAV controller, heating

and cooling coil, hot water radiator on triac output including

lighting and blinds operation

DXR2..18-102A

1 / 8

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

Siemens is not responsible for content and any manual modifications.

2021-09-01

A6V10662238_en--_d_--_04

• Supply & extract air volume control with compact KNX PL-Link VAV controller

• Room temperature control

• Heating with LTHW radiator on triac output

• Downdraft compensation

• Including the control of 4 lighting zones & 2 blinds

• Room temperature and rapid ventilation operation via KNX PL-Link room operator unit with

temperature measurement & lighting and blinds operation

Plant diagram

DXR2…

Room automation station

Room

Extract air temperature sensor

Room operator unit with

Supply air temperature sensor

temperature sensor

Window contact

Cooling coil valve

Presence detector

Extract air control

Q2, Q3,

4 lighting zones

Heating coil valve

Q4, Q5

Radiator valve

Q6, Q7

2 blinds motors

Supply air control

Function diagrams

Heating and cooling valve

Airflow

SpC

Effective cooling setpoint

VavSuAirFlMinC

Min. volume, cooling

SpH

Effective heating setpoint

VavSuAirFlMinH

Min. volume, heating

Room temperature

Output signal

Volume flow rate

Cooling valve

VavSuAflMinVent

Min. air flow ventilation

Heating valve

VavSuAirFlMaxC

Max. volume, cooling

Radiator valve

VavSuAirFlMaxH

Max. volume, heating

SpC

100

V [%]

TR [°C]SpH

VavSuAirFlMaxC

VavSuAirFlMinC

VavSuAirFlMinH

VavSuAirFlMaxH

VavSuAflMinVnt

Summary of content (8 pages)

PAGE 1
Application Sheet INT151 Supply and extract VAV with KNX PL-Link VAV controller, heating and cooling coil, hot water radiator on triac output including lighting and blinds operation • • • • • • DXR2..
PAGE 2
Application Sheet INT151 Supply and extract VAV with KNX PL-Link VAV controller, heating and cooling coil, hot water radiator on triac output including lighting and blinds operation Description of functions Basic functions HVAC • PID control for supply VAV and temperature. • The temperature is measured in the room operator unit. • The application allows customers to adjust the room temperature setpoints and rapid ventilation via the room operator unit including the operation of lighting and blinds.
PAGE 3
Application Sheet INT151 Supply and extract VAV with KNX PL-Link VAV controller, heating and cooling coil, hot water radiator on triac output including lighting and blinds operation Siemens devices Legend Type of unit Data sheet Product No. Qty. DXR2… Compact room automation station, BACnet/IP, 24 V, DIN housing, 2 DI, 4 UI, 8 DO triacs, 4 AO 0…10V N9205 DXR2.E18-102A 1 N9207 DXR2.
PAGE 4
Application Sheet INT151 Supply and extract VAV with KNX PL-Link VAV controller, heating and cooling coil, hot water radiator on triac output including lighting and blinds operation D2 R1a, b, c R1 Connection diagram DXR2..
PAGE 5
Application Sheet INT151 Supply and extract VAV with KNX PL-Link VAV controller, heating and cooling coil, hot water radiator on triac output including lighting and blinds operation DXR2..18-102A Application configuration KNX PL-Link devices Equipment Room operator unit device 1 Supply air VAV device Lighting device 1 Lighting device 3 Blinds device 1 Values/Range QMX3.P37; General HVAC; 4x dimming QMX3.P37; General HVAC; 2x dimming, 2x blinds QMX3.P37; General HVAC; 4x toggle, 2x blinds GDB181.
PAGE 6
Application Sheet INT151 Supply and extract VAV with KNX PL-Link VAV controller, heating and cooling coil, hot water radiator on triac output including lighting and blinds operation DXR2..
PAGE 7
Application Sheet INT151 Supply and extract VAV with KNX PL-Link VAV controller, heating and cooling coil, hot water radiator on triac output including lighting and blinds operation DXR2..18-102A Default values Parameter Enable operation: temporary Comfort Enable operation: room op. mode Enable operation: Green Leaf Engineering Values/Range Yes, No Yes, No Yes, No Template settings No No Yes • ABT Site engineering tool is required to configure the DXR2 automation stations.
PAGE 8
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 8/ 8 Technical information in this document are subject to change. Drawings serve illustration purposes only. Siemens is not responsible for content and any manual modifications.