Siemens RDG100KN User manual

CE1N3191en

01 Jun 2010 Building Technologies

3191

Room thermostat with

KNX communications

RDG100KN

For fan coil unit applications

For universal applications

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

Backlit display

2P / PI / P control

Outputs for on/off, PWM or 3-position control

Outputs for 3-speed or 1-speed fan

3 multifunctional inputs for keycard contact, external sensor, etc.

Operating modes: Comfort, Economy and Protection

Automatic or manual fan speed control

Automatic or manual heating / cooling changeover

Minimum and maximum limitation of room temperature setpoint

Control depending on the room or the return air temperature

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)

AC 230 V Operating voltage

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Siemens RDG100KN Room thermostat with KNX communications CE1N3191en

Building Technologies 01 Jun 2010

Use

The RDG100KN room thermostat is designed for use with the following types of

system:

Fan coil units via ON/OFF or modulating control outputs:

2-pipe system

2-pipe system with electric heater

2-pipe system and radiator / floor heating

4-pipe system

4-pipe system with electric heater

2-stage heating or cooling system

Chilled / heated ceilings (or radiators) via ON/OFF or modulating control

outputs:

Chilled / heated ceiling

Chilled / heated ceiling with electric heater

Chilled / heated ceiling and radiator / floor heating

Chilled / heated ceiling, 2-stage cooling or heating

The room thermostats are 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

Single speed or 3-speed fan control (automatic or manual)

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

Minimum and maximum limitation of room temperature setpoint

Button lock (automatic or manual)

3 multifunctional inputs, freely selectable for:

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

Sensor for automatic heating / cooling changeover

External room temperature or return air temperature sensor

Dewpoint sensor

Electric heater enable

Fault input

Monitor input for temperature sensor or switch status

Advanced fan control function, e.g. fan kick, fan start, selectable fan operation

(enable, disable or depending on heating or cooling mode)

Purge function together with 2-port valve in a 2-pipe changeover system

Reminder to clean fan filters

Floor heating temperature limitation

Reload factory settings for commissioning and control parameters

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Siemens RDG100KN Room thermostat with KNX communications CE1N3191en

Building Technologies 01 Jun 2010

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

With a Synco RMB7xx controller, the energy demand signal of the thermostat is

used to optimize energy supply.

Applications

The thermostats support the following applications, which can be configured using

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

All DIP switches 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

Heating or cooling

2-pipe fan coil unit

Chilled / heated ceiling

(B1)

1 2 3 4 5

OFF

Heating or cooling with electric heater

2-pipe fan coil unit and electric heater

Chilled / heated ceiling and el. heater

1 2 3 4 5

OFF

Use P46 / P47 to change output from ON/OFF (factory setting) to PWM

Use DIP switches 4 and 5 to change output from ON/OFF to 3-position

Note

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Siemens RDG100KN Room thermostat with KNX communications CE1N3191en

Building Technologies 01 Jun 2010

Heating or cooling and radiator / floor

heating

2-pipe fan coil unit and radiator

Chilled / heated ceiling and radiator

(B1)

1 2 3 4 5

OFF

Heating and cooling

4-pipe fan coil unit

Chilled ceiling and radiator

(B1)

1 2 3 4 5

OFF

Heating and cooling and electric heater

4-pipe fan coil unit and electric heater

1 2 3 4 5

OFF

2-stage heating or cooling

2-stage fan coil unit

2-stage chilled / heated ceiling

(B1)

1 2 3 4 5

OFF

Use P46 / P47 to change output from ON/OFF (factory setting) to PWM

Use DIP switches 4 and 5 to change output from ON/OFF to 3-position

Note

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Siemens RDG100KN Room thermostat with KNX communications CE1N3191en

Building Technologies 01 Jun 2010

Type summary

Product no. Stock no. Features

Operating

voltage Number of control outputs Backlit

LCD

ON/OFF PWM 3-pos.

RDG100KN S55770-T163

AC 230 V 3 1) 2

1) 2

1) 

1) ON/OFF, PWM or 3-position (triac outputs)

Ordering

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

E.g. RDG100KN / S55770-T163 room thermostat

Order valve actuators separately.

Equipment combinations

Description Product no. Data

sheet

Cable temperature sensor QAH11.1 1840

Room temperature sensor QAA32 1747

Condensation detector / extension

module

QXA2000 /

QXA2001 /

AQX2000

1542

Electromotoric ON/OFF actuator SFA21... 4863

Electromotoric ON/OFF valve and

actuator

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

MVI… / MXI… 4867

Zone valve actuator

(only available in AP, UAE, SA and IN) SUA… 4830

Thermal actuator (for radiator valves) STA21... 4893

Thermal actuator

(for small valves 2.5 mm) STP21... 4878

Electrical actuator, 3-position

(for radiator valves) SSA31... 4893

Electrical actuator, 3-position

(for small valves 2.5 mm) SSP31… 4864

Electrical actuator, 3-position

(for small valves 5.5 mm) SSB31... 4891

Electrical actuator, 3-position

(for small valve 5,5 mm) SSD31... 4861

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

If several fan-coil systems are controlled by the same room thermostat, preference should be given to

motorized actuators with ON/OFF or 3-position control.

On / off actuators

On / off and PWM

actuators *)

3-position actuators

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Siemens RDG100KN Room thermostat with KNX communications CE1N3191en

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 the screw terminals

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

1) Operating mode button / Esc

2) Fan mode button / Ok

3) Rotary knob to adjust setpoints and

parameters

Operation and settings

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Siemens RDG100KN Room thermostat with KNX communications CE1N3191en

Building Technologies 01 Jun 2010

# Symbol Description # Symbol Description

Heating mode 14

Automatic fan

Heating mode,

electric heater active 15 Manual fan

Cooling mode

Fan speed 1

Comfort

Fan speed 2

Economy

Fan speed

Fan speed 3

Auto Timer mode according to

schedule (via KNX) 17

Degrees Celsius

Degrees Fahrenheit

Protection mode 18 Digits for room temperature and setpoint display

Escape 19 Button lock

Additional user information, like out-

door temperature or time of day

from KNX bus. Selectable via

parameters

20 Condensation in room (dewpoint sensor active)

Morning: 12-hour format

Afternoon: 12-hour format 21 Weekday 1…7 from KNX bus

1 = Monday / 7 = Sunday

Confirmation of parameters 22 Fault

Temporary timer function; visible when

operating mode is temporarily extended

(extended presence or absence)

24 Indicates that room temperature is displayed

Display

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Siemens RDG100KN Room thermostat with KNX communications CE1N3191en

Building Technologies 01 Jun 2010

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.

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 M3191 enclosed with the thermostat.

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

Properly size the cables to the thermostat, fan and valve actuators for AC 230 V

mains voltage.

Use only valve actuators rated for AC 230 V.

The AC 230 V mains supply line must have an external fuse or circuit breaker

with a rated current of no more than 10 A.

Isolate the cables of input D1-GND for 230 V if the conduit box carries AC 230 V

mains voltage.

X1-M,X2-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.

Inputs X1-M and X2-M carry mains potential.

Sensor cables must be suited for AC 230 V mains voltage

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.

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Siemens RDG100KN Room thermostat with KNX communications CE1N3191en

Building Technologies 01 Jun 2010

Commissioning notes

The room thermostats are 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.

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

application 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:

NY1Y2

X1 M X2

3191A03

Q1 Q2 Q3

CE+ CE-

KNX

V24

ETS

RS232

Siemens

N148 /

UP146 /

UP152

KNX

USB

ETS / ACS

Siemens

OCI700

D1 GND

Y3 Y4

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 RDG100KN is connected

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

Applications

Note

Connect tool

Note

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Siemens RDG100KN Room thermostat with KNX communications CE1N3191en

Building Technologies 01 Jun 2010

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

the entire system (see basic documentation P3191).

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 as follows:

Application Factory setting P01

2-pipe and chilled / heated ceiling, and 2-stage 1 = Cooling only

4-pipe, chilled ceiling and radiator 4 = Heating and cooling

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.

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 thermostat identification 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 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.

Control parameters

Control sequence

Calibrate sensor

Setpoint and range

limitation

Programming mode

Assign KNX group

addresses

KNX serial number

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