Siemens RDG400KN User manual

CE1N3192en

01 Jun 2010 Building Technologies

3192

Room thermostat with

KNX communications

RDG400KN

For VAV heating and cooling systems

KNX bus communications (S-mode and LTE mode)

Backlit display

PI / P control

Output for VAV box / damper: DC 0…10 V / 3-position

Output for heating / cooling coil: ON/OFF, PWM or 3-pos / DC 0..10V

Output signal inversion as an option (DC 0...10 V DC 10...0 V)

2 multifunctional inputs for keycard contact, external sensor, etc

Operating modes: Comfort, Economy and Protection

Control depending on the room or the return air temperature

Supply fan optimization: Input DC 0...10 V for damper position feedback

Automatic or manual heating / cooling changeover

Minimum and maximum limitation of room temperature setpoint

Minimum and maximum limitation of air flow signal

Adjustable commissioning and control parameters

Commissioning with Synco ACS700, ETS3 Professional or via local HMI

Integration into Synco

Integration into DESIGO via group addressing (ETS3) or via individual

addressing

Integration into third-party system via group addressing (ETS3)

Operating voltage AC 24 V

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Siemens RDG400KN Room thermostat with KNX communications CE1N3192en

Building Technologies 01 Jun 2010

Use

The RDG400KN room thermostat is designed for the following types of system:

VAV systems via ON/OFF or modulating control outputs:

Single-duct system

Single-duct system with electric heater

Single-duct system and radiator / floor heating

Single-duct system with heating / cooling coil

The room thermostat is delivered with a fixed set of applications.

The relevant application is selected and activated during commissioning using one

of the following tools:

Synco ACS

ETS3 Professional (planned)

Local DIP switch and HMI

Functions

Room temperature control via built-in temperature sensor or external room

temperature / return air temperature sensor

Changeover between heating and cooling mode (automatic via local sensor or

bus, or manual)

Selection of applications via DIP switches or commissioning tool (ACS700,

ETS3 Professional)

Select operating mode via operating mode button on the thermostat

Temporary Comfort mode extension

Display of current room temperature or setpoint in °C and/or °F

Minimum and maximum limitation of room temperature setpoint

Minimum and maximum limitation of air flow signal

Button lock (automatic or manual)

2 multifunctional inputs, freely selectable for:

Operating mode switchover contact (keycard, window contact, etc.)

Changeover sensor for automatic heating / cooling mode

External room temperature or return air temperature sensor

Dewpoint sensor

Electric heater enable

Faults

Monitor input for temperature sensor or switch status

One DC 0...10 V input for damper position feedback

Floor heating temperature limit

Reload factory settings for commissioning and control parameters

KNX bus (terminals CE+ and CE-) for communication with Synco or KNX

compatible devices

Display of outside temperature or time of day via KNX bus

Time scheduling and central control of setpoints via KNX bus

A RMB7xx / RMU7xx controller (signal exchange over KNX) uses:

the air demand signal of the thermostat to optimize supply air temperature.

the energy demand signals of the heating / cooling device to optimize energy

supply.

the damper position feedback (DC 0...10 V) to optimize supply fan speed.

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Siemens RDG400KN Room thermostat with KNX communications CE1N3192en

Building Technologies 01 Jun 2010

Applications

The thermostat supports the following applications, which can be configured using

the DIP switches at the rear of the unit or a commissioning tool.

DIP switches 1...3 need to be set to OFF (remote configuration, factory setting) to

select an application via commissioning tool.

Application DIP switches

Remote configuration

via commissioning tool (factory setting)

Synco ACS

ETS3 professional (planned)

OFF

Single-duct

DC 0…10 V damper actuator (P47 = 0)

3-position damper actuator (P47 = 1)

3192S07

1 2 3 4 5

OFF

Single-duct with electric heater

DC 0…10 V damper actuator and ON/OFF,

PWM or 3-position electric heater (P47 = 0)

3-position damper actuator and

DC 0…10 V electric heater (P47 = 1)

3192S08

1 2 3 4 5

OFF

Single-duct and radiator / floor heating

DC 0…10 V damper actuator and ON/OFF,

PWM or 3-position radiator (P47 = 0)

3-position damper actuator and

DC 0…10 V radiator (P47 = 1)

3192S09

MV MV

1 2 3 4 5

OFF

Single-duct heating and cooling coil

DC 0…10 V damper actuator and ON/OFF,

PWM or 3-position heating and cooling

(P47 = 0)

3-position damper actuator and

DC 0…10 V heating and cooling

(P47 = 1)

3192S11

(B1)

T(B1)

1 2 3 4 5

OFF

Use P47 to change damper output from DC 0...10 V (factory setting) to 3-position

Use P46 to change valve output from ON/OFF (factory setting) to PWM

Use DIP switch 5 to change valve output from ON/OFF to 3-position

Note

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Siemens RDG400KN Room thermostat with KNX communications CE1N3192en

Building Technologies 01 Jun 2010

Type summary

Product no. Stock

number Features

Operating

voltage Number of control outputs Backlit

LCD

ON/OFF PWM 3-pos DC 0…10 V

RDG400KN S55770-T165

AC 24 V 1 1) 1

1) 1

1) 1 

1) ON/OFF, 3-position or PWM

Ordering

When ordering, indicate both product number / stock number and name:

E.g. RDG400KN / S55770-T165 room thermostat

Order valve actuators separately.

Equipment combinations

Type of unit Product no. Data

sheet

Cable temperature sensor QAH11.1 1840

Room temperature sensor QAA32 1747

Condensation detector / Supply unit

QXA2000 /

QXA2001 /

AQX2000

1542

Electrical actuator, DC 0..10 V

(for radiator valve) SSA61... 4893

Electrical actuator, DC 0..10 V

(for 2 and 3 port valves / V…P45) SSC61… 4895

Electrical actuator, DC 0..10 V

(for small valve 2,5 mm) SSP61… 4864

Electrical actuator, DC 0..10 V

(for small valves 5.5 mm) SSB61... 4891

Electrical actuator, DC 0..10 V

(for Combi-valve VPI45) SSD61... 4861

Thermal actuator, DC 0..10 V

(for small valves and radiator

valves) STS61 4880

Electromotoric actuator, DC 0..10V

(for valves 5.5 mm) SQS65… 4573

DC 0..10 V actuators

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Siemens RDG400KN Room thermostat with KNX communications CE1N3192en

Building Technologies 01 Jun 2010

Type of unit Product no. Data

sheet

GQD161… 4605

GDB161…

GLB161…

4634

GMA161… 4614

GEB161… 4621

GCA161… 4613

GBB161…

DC 0…10 V damper actuator

GIB161…

4626

GDB181.1E/3

VAV compact controller

GLB181.1E/3

3544

Electromotoric ON/OFF valve and

actuator

(only available in AP, UAE, SA and IN)

MVI…/MXI… 4867

Electromotoric ON/OFF actuator SFA71... 4863

Thermal actuator (for radiator valve) STA71... 4877

Thermal actuator

(for small valves 2.5 mm) STP71... 4878

Electrical actuator, 3-position

(for radiator valve) SSA81... 4893

Electrical actuator, 3-position

(for small valve 2,5 mm) SSP81… 4864

Electrical actuator, 3-position

(for small valve 5,5 mm) SSB81... 4891

Electrical actuator, 3-position

(for Combi-valve VPI45) SSD81... 4861

Electromotoric actuator, 3-position

(for valves 5.5 mm) SQS85… 4573

*) With PWM control, it is not possible to ensure exact parallel running of more than one thermal actuator. If

several actuators are controlled by the same room thermostat, preference should be given to motorized

actuators with ON/OFF or 3-position control.

ON/OFF actuators

C 24 V

ON/OFF / PWM

actuators AC 24 V *)

3-position actuators

C 24 V

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Siemens RDG400KN Room thermostat with KNX communications CE1N3192en

Building Technologies 01 Jun 2010

Accessories

Description Product no. /

stock no.

Data

sheet

Changeover mounting kit (50 pcs / package) ARG86.3 N3009

Adapter plate 120 x 120 mm for 4“ x 4“

conduit boxes ARG70 N3009

Adapter plate 112 x 130 mm for surface wiring ARG70.2 N3009

KNX Power supply 160 mA (Siemens BT LV) 5WG1 125-1AB01 --

KNX Power supply 320 mA (Siemens BT LV) 5WG1 125-1AB11 --

KNX Power supply 640 mA (Siemens BT LV) 5WG1 125-1AB21 --

Mechanical design

The room thermostat consists of 2 parts:

Plastic housing with electronics, operating elements and room temperature

sensor

Mounting plate with screw terminals

The housing engages in the mounting plate and is secured with 2 screws.

1. Operating mode selector / Esc

2. Protection and OK

3. Rotary knob to adjust setpoints

and parameters

Operation and settings

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Siemens RDG400KN Room thermostat with KNX communications CE1N3192en

Building Technologies 01 Jun 2010

# Symbol Description # Symbol Description

1 Heating mode 11

Confirmation of parameters

Heating mode,

electric heater active 12

Degrees Celsius

Degrees Fahrenheit

Cooling mode 13 Digits for room temperature and setpoint display

Comfort 14 Button lock active

Economy 15 Condensation in room (dewpoint sensor active)

Auto Timer mode according to

schedule (via KNX) 16 Weekday 1…7 from KNX bus

1 = Monday / 7 = Sunday

Protection mode 17 Fault

Escape 18

Temporary timer function; visible when

operating mode is temporarily extended

(extended presence or absence)

Additional user information, like out-

door temperature or time of day

from KNX bus. Selectable via para-

meters

19 Indicates that room temperature is displayed

Morning: 12-hour format

Afternoon: 12-hour format 20 Primary fan is active (only supported with

Synco700 primary controller)

Engineering notes

See the "Reference documentation", page 12 for information on how to engineer

the KNX bus (topology, bus repeaters, etc.) and how to select and dimension

connecting cables for supply voltage and field devices.

Display

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Siemens RDG400KN Room thermostat with KNX communications CE1N3192en

Building Technologies 01 Jun 2010

Mounting and installation

Do not mount on a wall in niches or bookshelves, behind curtains, above or near

heat sources, or exposed to direct solar radiation. Mount about 1.5 m above the

floor.

Mounting Mount the room thermostat on a clean, dry indoor place without direct airflow

from a heating / cooling device, and not exposed to drips or splash water.

Wiring See the mounting instructions M3192 enclosed with the thermostat.

Comply with local regulations to wire, fuse and earth the thermostat.

The power supply line must have an external fuse or circuit breaker with a rated

current of no more than 10 A.

Isolate the cables of inputs X1-M, U1-G0 and D1-GND for 230 V if the conduit

box carries AC 230 V mains voltage.

Inputs X1-M or D1-GND: Several switches (e.g. summer/winter switch) may be

connected in parallel. Consider overall maximum contact sensing current for

switch rating.

Isolate the cables of KNX communication input CE+ / CE- for 230 V if the conduit

box carries AC 230 V mains voltage.

No cables provided with a metal sheath.

Disconnect from supply before removing from the mounting plate.

Commissioning notes

The room thermostat is delivered with a fixed set of applications.

Select and activate the relevant application during commissioning using one of the

following tools:

Local DIP switch and HMI

Synco ACS

ETS3 Professional (planned)

Set the DIP switches before snapping the thermostat to the mounting plate, If you

want to select an application via DIP switches,.

All DIP switches need to be set to “OFF” ("remote configuration"), if you want to

select an application via commissioning tool.

Applications

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Siemens RDG400KN Room thermostat with KNX communications CE1N3192en

Building Technologies 01 Jun 2010

After power is applied, the thermostat resets and all LCD segments flash, indica-

ting that the reset was correct. After the reset, which takes about 3 seconds, the

thermostat is ready for commissioning by qualified HVAC staff.

If all DIP switches are OFF, the display reads "NO APPL" to indicate that appli-

cation commissioning via a tool is required.

Each time the application is changed, the thermostat reloads the factory setting for

all control parameters, except for KNX device and zone addresses!

Connect the Synco ACS or ETS3 Professional tools to the KNX bus cable at any

point for commissioning:

3192A04

KNX

V24

ETS

RS232

Siemens

N148 /

UP146 /

UP152

KNX

USB

ETS / ACS

Siemens

OCI700

G0 Y10 Y2

X1 M U1 CE+ CE-

D1 GND

ACS and ETS3 require an interface:

RS232 KNX interface (e.g. Siemens N148 / UP146 / UP152)

OCI700 USB-KNX interface

An external KNX bus power supply is required if an RDG400KN is connected

directly to a tool (ACS or ETS3) via KNX interface.

The thermostat's control parameters can be set to ensure optimum performance of

the entire system (see basic documentation P3192).

The parameters can be adjusted using

Local HMI

Synco ACS

ETS3 Professional (planned)

The control sequence may need to be set via parameter P01 depending on the

application. The factory setting is “Cooling only”

Recalibrate the temperature sensor if the room temperature displayed on the

thermostat does not match the room temperature measured (after min. 1 hour of

operation). To do this, change parameter P05

We recommend to review the setpoints and setpoint ranges (parameters

P08…P12) and change them as needed to achieve maximum comfort and save

energy

Note

Connect tool

Note

Control parameters

Control sequence

Calibrate sensor

Setpoint and setpoint

range limitation

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Siemens RDG400KN Room thermostat with KNX communications CE1N3192en

Building Technologies 01 Jun 2010

The programming mode helps identify the thermostat in the KNX network during

commissioning.

Press the left and right buttons simultaneously for 6 sec to activate programming

mode, which is indicated on the display with "PrOg".

Programming mode remains active until the identification of the thermostat is

complete.

Use ETS3 Professional to assign the KNX group addresses of the RDG communi-

cation objects,.

Each device has a unique KNX serial number inside of the plastic housing.

An additional sticker with the same KNX serial number is enclosed in the packa-

ging box. This sticker is intended for installers for documentation purposes.

Disposal

This device is classified as waste electronic equipment under European Directive

2002/96/EC (WEEE) and may not be disposed of as unsorted municipal waste.

Adhere to all relevant national laws.

Regarding disposal, use the systems setup for collecting electronic waste.

Observe all local and applicable laws.

Technical data

Operating voltage SELV AC 24 V 20%

Frequency 50/60 Hz

Power consumption Max. 2 VA / 1 W

Control output Y10-G0

Resolution

Current

DC 0…10 V

39 mV

Max. 1 mA

Control output Y1, Y2-G

Rating

AC 24 V

Max. 1 A

Multifunctional inputs

X1-M

Temperature sensor input

Type

Digital input

Operating action

Contact sensing

U1-G0

Input for actual damper position feedback

damper position 0% (fully closed)

100% (fully open)

D1-GND

Operating action

Contact sensing

QAH11.1 (NTC)

Selectable (NO/NC)

DC 0…5 V, max. 5 mA

DC 0…10 V, max 0.3 mA

0…100%

Selectable (NO/NC)

SELV DC 6…15 V, 3…6 mA

Function of inputs

External temperature sensor, heating/cooling

changeover sensor, operating mode switchover

contact, dewpoint monitor contact, enable

electric heater contact, fault contact, monitoring

input

Selectable

X1: P38

D1: P42

Programming mode

Assign KNX group

addresses

KNX serial Number

Power supply

Outputs

Inputs

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