Siemens RDG400KN User manual

CE1N3192en

2017-11-21 Building Technologies

RDG400KN

Room thermostats with

KNX communications RDG400KN

RDG405KN

For VAV heating and cooling systems

For room temperature and indoor air quality control

∂KNX bus communications (S- and LTE-Mode)

∂Backlit display

∂PI/P control

∂Output for VAV box/air damper: DC 0…10 V/3-position/KNX LTE-Mode

∂Output for heating/cooling coil: On/Off, PWM or 3-position/DC 0...10 V

∂Output signal inversion as an option (DC 0...10 V ⇓DC 10...0 V)

∂2 multifunctional inputs for keycard contact, external sensor, etc.

∂1 DC 0…10 V input for external sensor or feedback of air damper position

∂Operating modes: Comfort, Economy and Protection

∂Control depending on room or return air temperature

∂Optimized operation of supply air fan: Input DC 0...10 V for feedback of air

damper position

∂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 ACS790, ETS or via local HMI

∂Integration into Synco; integration into Desigo via group addressing (ETS)

or individual addressing

∂Integration into third-party system via group addressing (ETS)

∂Indoor air quality (IAQ) control loop with external CO2sensor (DC 0...10 V

or KNX LTE- and S-Mode) (RDG405KN)

∂Operating voltage AC 24 V

∂Interworking with KNX CO2/temperature sensors (LTE- and S-Mode)

RDG405KN

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Siemens RDG40..KN Room thermostats with KNX communications CE1N3192en

Building Technologies 2017-11-21

Use

The RDG40..KN room thermostats are designed for the following types of system:

VAV systems via On/Off or modulating control outputs or KNX LTE-Mode:

∂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 thermostats are delivered with a fixed set of applications.

The required application is selected and activated during commissioning using one

of the following tools:

∂Synco ACS

∂ETS

∂Local DIP switch and HMI

Functions

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

temperature/return air temperature sensor

∂Indoor air quality control via external CO2sensor (DC 0…10 V, KNX LTE- or S-

Mode) (RDG405KN)

∂Changeover between heating and cooling mode (automatically via local sensor

or bus, or manually)

∂Selection of applications via DIP switches or commissioning tool (ACS790, ETS)

∂Parameter download with commissioning tool (ACS, ETS)

∂Selection of operating mode via operating mode button on the thermostat

∂Temporary Comfort mode extension

∂Minimum and maximum limitation of room temperature setpoint

∂Minimum and maximum limitation of air flow signal (selectable via ETS)

∂External CO2sensor, DC 0…10 V; 0…2000 ppm (RDG405KN)

∂External CO2sensor, KNX; 0…5000 ppm (RDG405KN)

∂Button lock (automatic or manual)

∂2 multifunctional inputs, freely selectable for:

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

(RDG400KN)

,Window contact switches operating mode to Protection (RDG405KN)

,Presence detector switches operating mode to Comfort (RDG405KN)

,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

∂1 input DC 0…10 V for external sensor and feedback of air damper position

∂Optimization of pressure control using …

,feedback of air damper position and current air flow value via KNX bus,

,or feedback of air damper position via DC 0...10 V input

∂Floor heating temperature limit

∂Reloading 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

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Siemens RDG40.. KN Room thermostats with KNX communications CE1N3192en

Building Technologies 2017-11-21

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

∂Display of CO2external sensor value in ppm or with symbols (+++; ++-; +--)

(RDG405KN)

∂Time scheduling and central control of setpoints via KNX bus

∂RMB7../RMU7.. controller (signal exchange over KNX) using …

,the air demand signal of the thermostat to optimize the supply air

temperature,

,the energy demand signals of the heating/cooling equipment to optimize the

supply of energy,

,the feedback of the air damper position (DC 0...10 V or KNX) to optimize

operation of the supply air fan

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...5 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

∂ETS 1

2 3

OFF 4 5

Single-duct

∂DC 0…10 V damper actuator (P47 = 0)

∂3-position damper actuator (P47 = 1)

∂VAV compact controller with

KNX LTE-Mode

3192S07

2 3

OFF 4 5

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)

∂VAV compact controller with KNX

LTE-Mode and electric heater

3192S08

2 3

OFF 4 5

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)

∂VAV compact controller with KNX

LTE-Mode and radiator

3192S09

MV MV

2 3

OFF 4 5

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Siemens RDG40..KN Room thermostats with KNX communications CE1N3192en

Building Technologies 2017-11-21

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)

∂VAV compact controller with KNX

LTE-Mode and heating/cooling coil

3192S11

(B1)

T(B1)

2 3

OFF 4 5

- P47 is used to change air damper output from DC 0...10 V (factory setting) to

3-position

- P46 is used to change valve output from On/Off (factory setting) to PWM

- DIP switch 4 is used to change output of Y10 from DC 0...10 V to DC 10...0 V

- DIP switch 5 is used to change valve output from On/Off to 3-position

Type summary

Product No. Features

Operating

voltage Number of control outputs Backlit

LCD

On/Off PWM 3-pos. DC

0…10 V

VAV

control via

KNX

LTE-Mode

IAQ

RDG400KN AC 24 V 11) 11) 11) 1--- 

RDG405KN AC 24 V 11) 11) 11) 1 

1) Selectable: On/Off, PWM or 3-position (triac outputs)

Ordering

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 monitor QXA21.. A6V10741072

Flush-mount KNX room sensor

(base and front module)

AQR2576N..

AQR2532NNW

AQR2530NNW

AQR2532NNW

AQR2535NNWQ

1411

Note

Product No. Stock No. Description

RDG400KN S55770-T165 Room thermostat

RDG405KN S55770-T346 Room thermostat

Sensors

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Siemens RDG40.. KN Room thermostats with KNX communications CE1N3192en

Building Technologies 2017-11-21

Wall-mount KNX sensor QMX3.P30

QMX3.P70 1602

Electric actuator, DC 0...10 V

(for radiator valves) SSA61.. 4893

Electric actuator, DC 0...10 V

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

Electric actuator, DC 0...10 V

(for small valves 2.5 mm V..P47) SSP61.. 4864

Electric actuator, DC 0...10 V

(for small valves 5.5 mm V..P45) SSB61.. 4891

Electric actuator, DC 0...10 V

(for CombiValves VPI46) SSA61.. 4893

Electromotoric actuator, DC 0...10 V

(for valves 5.5 mm) SAS61.. 4581

Thermal actuator, DC 0...10 V

(for small valves and radiator valves) STP63 4884

Damper actuator DC 0…10 V,

damper actuator 3-position

GQD161..

GQD131.. 4605

GDB161..

GDB131.. 4634

GLB161..

GLB131..

GMA161..

GMA131.. 4614

GEB161..

GEB131.. 4621

GCA161..

GCA131.. 4613

GBB161..

GBB131.. 4626

GIB161..

GIB131..

VAV compact controller

GDB181.1E/3

3544

GLB181.1E/3

Damper actuators

DC 0...10 V and

3-position, VAV

compact controllers

Valve actuators

DC 0...10 V

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Siemens RDG40..KN Room thermostats with KNX communications CE1N3192en

Building Technologies 2017-11-21

VAV compact controller

for KNX LTE-Mode GDB181.1E/KN

3547

GLB181.1E/KN

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

valves) STA73.. 4884

Thermal actuator

(for small valves 2.5 mm) STP73.. 4884

Electric actuator, 3-position

(for radiator valves) SSA81.. 4893

Electric actuator, 3-position

(for small valves 2.5 mm V..P47) SSP81.. 4864

Electric actuator, 3-position

(for small valves 5.5 mm V..P45) SSB81.. 4891

Electric actuator, 3-position

(for CombiValves VPI46) SSA81.. 4893

Electromotoric actuator, 3-position

(for valves 5.5 mm) SAS81.. 4581

* 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

For more information about parallel operation and the maximum number of actuators that

can be used, refer to the Data Sheets of the selected type of actuator and the following

listing:

Maximum number of actuators in parallel operation in connection with RDG400KN and

RDG405KN:

∂6 actuators S..81 (3-position)

∂4 actuators ST..73 (On/Off)

∂4 actuators SFA.., MVI.., MXI.. (On/Off)

∂10 damper actuators G..16.. DC

∂6 damper actuators G..13.. (3-position)

Accessories

Description Product No./stock No. Data

Sheet*)

KNX power supply unit 160 mA (Siemens BT LV) 5WG1 125-1AB02 --

KNX power supply unit 320 mA (Siemens BT LV) 5WG1 125-1AB12 --

KNX power supply unit 640 mA (Siemens BT LV) 5WG1 125-1AB22 --

*) Documents can be downloaded from http://siemens.com/bt/download

Mechanical design

The room thermostat consists of 2 parts:

∂Plastic housing with electronics, operating elements and room temp. sensor

∂Mounting plate with screw terminals

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

Note

VAV compact

controllers

KNX LTE-Mode

On/Off valve

actuators

AC 24 V

On/Off/PWM valve

actuators

AC 24 V*

3-position

valve actuators

AC 24 V

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Siemens RDG40.. KN Room thermostats with KNX communications CE1N3192en

Building Technologies 2017-11-21

1. Operating mode selector/Esc

2. Protection and OK

3. Rotary knob to adjust setpoints

and parameters

Operation and settings

Display

Symbol

Description

Symb

Description

1Heating mode 13 Primary fan active (only supported with

Synco700 primary controller)

2Heating mode,

electric heater active 14 Degrees Celsius

Degrees Fahrenheit

3Cooling mode 15 Digits for room temperature and setpoint

display

4Comfort 16 Button lock active

5Economy 17 Condensation in the room (dewpoint

sensor active)

6Auto Timer mode according to

schedule (via KNX) 18 Weekday 1…7 from KNX bus

1 = Monday/7 = Sunday

8Protection mode 19 Fault

9Escape 20

Temporary timer function; visible when

operating mode is temporarily extended

(extended presence or absence)

Additional user information, like outside

temperature or time of day from

KNX bus; selectable via parameters

21 Fresh air (RDG405KN)

11 am/pm

ppm

am and pm: Real time clock in either

24-hour or 12-hour (am/pm) mode

ppm: CO2external sensor value

(RDG405KN)

22 Indicates that room temperature is

displayed

12 Confirmation of parameters

RDG400KN

RDG405KN

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Siemens RDG40..KN Room thermostats with KNX communications CE1N3192en

Building Technologies 2017-11-21

Engineering notes

See "Reference documentation" below for information on how to engineer the KNX

bus (topology, bus repeaters, etc.) and how to select and size connecting cables

for power supply and field devices.

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 air flow

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

Wiring See Mounting Instructions M3192 (RDG400KN) or A6V10733804 (RDG405KN)

enclosed with the thermostat.

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

∂Power supply line must have a 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 conduit box

carries AC 230 V mains voltage

∂Disconnect the unit from power supply before removing it from its mounting plate

∂If a KNX bus power supply is connected to the line with communicating

thermostats and a Synco controller, the internal KNX power supply of the Synco

controller must be switched off

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Siemens RDG40.. KN Room thermostats with KNX communications CE1N3192en

Building Technologies 2017-11-21

Commissioning notes

The room thermostats are delivered with a fixed set of applications.

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

following tools:

,Local DIP switch and HMI

,Synco ACS

Version 5.11 or higher (for RDG400KN)

Version 10.03 or higher (for RDG405KN)

,ETS

Set the DIP switches before snapping the unit to its mounting plate, if you want to

select an application via DIP switches.

All DIP switches must be set to OFF (remote configuration), if you want to select an

application via commissioning tool.

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

that the reset was made correctly. After the reset, which takes about 3 seconds,

the thermostat is ready for commissioning by qualified HVAC staff.

If all DIP switches are set to OFF, the display reads NO APPL to indicate that

application commissioning via tool is required.

Each time the application is changed, the thermostat reloads the factory settings

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

For commissioning, connect the Synco ACS or ETS tool to the KNX bus cable at

any point:

ACS and ETS3 require an interface:

,RS232 KNX interface (e.g. Siemens UP146/02, UP152)

,OCI702 USB-KNX interface

An external KNX bus power supply is required if an RDG.. is connected directly to

a tool (ACS or ETS) via KNX interface.

Applications

Note

Connect tool

Note

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Siemens RDG40..KN Room thermostats with KNX communications CE1N3192en

Building Technologies 2017-11-21

The thermostat's control parameters can be changed to ensure optimum

performance of the entire system (see Basic Documentation P3192).

The parameters can be adjusted using …

,the local HMI

,Synco ACS

,ETS

∂The control sequence may need to be set via 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 P05

∂We recommend to review the setpoints and setpoint ranges (P08…P12) and to

change them as needed to ensure maximum room comfort and to save energy

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

commissioning.

Press the left and right buttons simultaneously for 6 seconds to activate

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

Programming mode remains active until identification of the thermostat is complete.

Assign the device address (P81) via HMI, ACS or ETS.

To deactivate communication, set the device address to 255 (no

exchange of process data).

Use ETS to assign the KNX group addresses of the RDG communication objects.

Each device has a unique KNX serial number inside 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

The device is considered an electronic device for disposal in terms of the

European Directive 2012/19/EU and may not be disposed of as domestic

garbage.

∂Dispose of the device through channels provided for this purpose.

∂Comply with all local and currently applicable laws and regulations.

Control parameters

Control sequence

Calibrating the sensor

Setpoint and setpoint

range limitation

Programming mode

Assigning the KNX

device address

Assigning the KNX

group addresses

KNX serial number

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