Siemens RDG160KN Manuel de service Page 1

s Room thermostats with KNX communications RDG100KN, RDG160KN Basic Documentation Edition: 3.2 CE1P3191en 2014-05-23 Building Techno

Synco 700 Building automation and control system (BACS) Synco living Room automation and control system RDG..., RDF…, RDU… Room thermostats OZW77

Integration via KNX ... 9 K KNX addressing ... 78 KNX

101 / 102 Siemens RDG100KN, RDG160KN Basic documentation CE1P3191en Building Technologies Index 2014-05-23

Siemens Switzerland Ltd Infrastructure & Cities Sector Building Technologies Division International Headquarters Gubelstrasse 22 CH-630

2.4 Equipment combinations Description Product no. Data sheet Cable temperature or changeover sensor QAH11.1 1840 Room temperature sensor QAA32 1

Electromotoric actuator, DC 0...10 V (for valves 5.5 mm) SQS65… 4573 Electrothermal actuator, AC 24 V, NC, DC 0…10 V, 1 m STA63 4884 Electrother

3. Functions 3.1 Temperature control Setting of the control parameters (P01, etc., mentioned throughout the document) is described in section 3.14.

When an application program is downloaded to the Synco devices via ETS, the correct group addresses need to be downloaded as well, in order to displ

3.2.1 Different ways to influence the operating mode The operating mode can be influenced by different interventions. The source of the effective r

If a time schedule via bus is present, e.g. from central control unit, then the Auto Timer mode is active. The thermostat automatically changes

Comfort mode can be temporarily extended (e.g. working after business hour or on weekends) when the thermostat is in Economy mode. The operating mode

Function if no time schedule is received via bus User profile for operating mode (selected via P02) Operating mode when activating function Functi

3.2.2 Communication examples The following examples show two typical applications of a central time schedule in conjunction with local control of th

Contents 1. About this document ... 4 1.1 Revision history ...

Interaction of user operation (operating mode button) and central time schedule In room 2, the window is opened briefly, once in the morning and onc

3.3 Room temperature setpoints 3.3.1 Description The factory setting for the Comfort basic setpoint is 21 °C and can be changed in the thermostat’

For heating and cooling applications (e.g. 4-pipe): – P09 is the setpoint for cooling and P10 the setpoint for heating – The setpoint can not be ad

3.3.2 Setting and adjusting setpoints Room temperature setpoints can be – set during commissioning – adjusted during runtime The source can b

The comfort setpoint w (e.g. customer setting on the display) and the current setpoint w2 (used by the thermostat for temperature control, but not v

3.4 Applications overview The thermostats support the following applications, which can be configured using the DIP switches at the rear of the unit

Product no. Control outputs Fan RDG100KN On/off, PWM, 3-position 3-speed, 1-speed RDG160KN DC 0...10 V 3-speed, 1-speed, DC 0...10 V RDG160KN On/

3.4.3 Applications for heat pump systems (RDG160KN) Applications, DIP setting, Control outputs • Heated or cooled with compressors 1 2 3

3.5 Additional functions The heating / cooling changeover information can be received via bus. This is only possible if the control sequence is s

• Manual heating / cooling changeover means selection via changeover button on the thermostat by repeatedly pushing the button until the required mod

3.10 Handling faults ... 60 3.11 KNX communications ...

Living rooms: Up to 26 °C for long-time presence, up to 28 °C for short-time presence. Bath rooms: Up to 28 °C for long-time presence, up to 30 °C

Dew point monitoring is essential to prevent condensation on the chilled ceiling (cooling with fan disabled, parameter P52). It helps avoid associated

3.6 Control sequences 3.6.1 Sequences overview (setting via parameter P01) The main control sequence (i.e. the water coil sequence of the fan coi

3.6.2 Application mode The behavior of the thermostat can be influenced by a building automation and control system (BACS) via bus with the command

The state (heating or cooling) of the thermostat can be monitored with the ACS tool (diagnostic value "Control sequence"). The last active

3.6.3 2-pipe fan coil unit On 2-pipe applications, the thermostat controls a valve in heating / cooling mode with changeover (automatically or manua

3.6.4 2-pipe fan coil unit with electric heater On 2-pipe applications with electric heater, the thermostat controls a valve in heating / cooling

On/Off control The diagrams below show the control sequence for 2-position. Heating mode (automatic changeover = heating or heating only) Cooling

3.6.5 2-pipe fan coil unit with radiator or floor heating On 2-pipe applications with radiator, the thermostat controls a valve in heating / coo

Modulating control: 3-position, PWM or DC 0...10 V The diagrams below show the control sequence for modulating PI control. Heating mode Cooling mod

1. About this document 1.1 Revision history Edition Date Changes Section Pages 3.2 March 2014 • 2-position  On/Off (only partially) • Update

3.6.6 4-pipe fan coil unit On 4-pipe applications, the thermostat controls 2 valves in heating and cooling mode, heating / cooling mode by manual

The diagrams below show the control sequence for 2-position control. Heating mode with manual selection (P01 = 2) or for P09 >= P10 in heating seq

3.6.7 4-pipe fan coil unit with electric heater (RDG100KN) On 4-pipe applications with electric heater, the thermostat controls 2 valves in heati

Modulating control: 3-position or PWM The diagrams below show the control sequence of modulating PI control. Heating mode with manual selection (P0

3.6.8 2-pipe / 2-stage heating or cooling On 2-stage applications, the thermostat controls 2 valves or compressors in heating or cooling mode or

Modulating control: 3-position, PWM or DC 0...10 V The diagrams below show the control sequence of modulating PI control. Heating mode (P01 = 0) Coo

3.6.9 Chilled / heated ceiling and radiator applications For chilled / heated ceiling and radiator, • set the corresponding basic applicatio

3.6.11 Setpoints and sequences On changeover applications, the Comfort setpoints for heating and cooling sequence are the same (w). On 2-pipe appl

On 4-pipe applications, the Comfort setpoint (w) is in the middle of the dead zone, between the heating and cooling sequence. The dead zone can be

3.7 Control outputs 3.7.1 Overview Different control output signals are available. They need to be defined during commissioning (see below). Con

1.3 Before you start 1.3.1 Copyright This document may be duplicated and distributed only with the express permission of Siemens, and may be passed

1. When the thermostat is powered up, a closing command for the actuator running time + 150% is provided to ensure that the actuator fully closes a

Y EDC 0 ... 10 VY1 GLNY1 LQ5.7 kWmax.N1U1FFF...Y1K...G0GG3181D21GG0YPWMAC 24 V N1 RDG160KN U1 Signal converter SEM61.4 (see Data Sheet N51

The type of the control outputs (2- or 3-position) is set via DIP switches 4 and 5. The patterns of DIP switches 4 and 5 are as follows: ONOFF1 2345

3.8 Fan control Different fan output signals are available depending on the thermostat type: Control output Product no. On/off 1- / 3-speed fan Mod

The individual switching points for ON of each fan stage can be adjusted via control parameters P55…P57. The fan speed switch off point is 20% below

The thermostat can control a 1- or 3-speed fan (selected via control parameter P53). A 1-speed fan is connected to terminal Q1, a 3-speed fan to termi

In automatic fan mode and with the room temperature in the dead zone, the control valve is normally closed and the fan disabled. With the "Fan

The "Clean fan filter reminder" function counts the fan operating hours and displays message "FIL " to remind the user to change

3.9 Multifunctional input, digital input The thermostat has 2 multifunctional inputs X1 and X2 and a digital input D1. An NTC type sensor like th

# Function of input Description Type X1/X2 Type DI KNXR Fault information 6 Fault Digital input to signal an external fault (example: dirty air f

1.4 Target audience, prerequisites This document assumes that users of the RDG KNX thermostats are familiar with the ETS and/or Synco ACS tools an

3.10 Handling faults When the room temperature is outside the measuring range, i.e. above 49 °C or below 0 °C, the limiting temperatures blink, e

• For a detailed description of KNX (topology, bus supply, function and setting of LTE zones, filter tables, etc.), see "Communication via th

The zones to be defined are as follows: Geographical zone (space zone) (Apartment . Room . Subzone) Apartment = ---, 1...126 Room = ---, 1...63 S

3.11.4 Example of heating and cooling demand zone The building is equipped with Synco controls on the generation side and RDF / RDG thermostats on t

3.11.5 Send heartbeat and receive timeout In a KNX network, S-mode and LTE mode communication objects can be exchanged between individual devices.

3.11.8 Fault function on KNX If a fault occurs (e.g. digital fault input, dew point, communication configuration, etc.) then a fault will be sent on

3.12 Communication objects (S-mode) 3.12.1 Overview KNXR Page Object # and name Thermostat Object # and name Page RDG 13 1 Sy

3.12.2 Description of communication objects Obj Object name Function Type/ length Flags 1 System time Time and date 19.001 8 Byte CWU System time

Obj Object name Function Type/ length Flags 27 Cooling output primary 0…100% 5.001 8 bit CRT Indicates the position of the cooling actuator of the f

3.13 Communication objects (LTE-mode) RDG Geographical zone A.R.S Room operating mode: Time switch (Time switch zone) X.1.1 / X.Y.1

2. Summary 2.1 Types Product no. Stock no. Features Operating voltage Number of control outputs Fan Backlit LCD On/Off PWM 3-pos. DC 3-spe

3.14 Control parameters A number of control parameters can be readjusted to optimize control performance. This can be done on the thermostat via

3.14.2 Parameter setting / download via tool Control parameters can be adjusted via bus either by parameter download during commissioning or during

3.14.3 Parameters of the "Service level" Parameter Name Factory setting Range RDG100KN RDG160KN Dependen-cies Service level

3.14.4 Parameters of the "Expert level with diagnostics and test" Parameter Name Factory setting Range RDG100KN RDG160KN Dependen-cies

Parameter Name Factory setting Range RDG100KN RDG160KN Dependen-cies Expert level P49 Off time minimum 2-pos output 1 min. 1...20 min 

Parameter Name Factory setting Range Dependencies Communications P81 Device address 1) 255 1…255 P82 Geographical zone (apartment) 2) ---

4. Handling 4.1 Mounting and installation Do not mount on a wall in niches or bookshelves, behind curtains, above or near heat sources, or expose

4.2 Commissioning The room thermostats are delivered with a fixed set of applications. Select and activate the relevant application during commi

The thermostat's control parameters can be set to ensure optimum performance of the entire system. The parameters can be adjusted using – Loca

4.3 Operation See also Operating Instructions B3191 [2] enclosed with the thermostat. 1. Operating mode selector / Esc 2. Fan mode selector

• Operating modes: Comfort, Economy and Protection • Automatic or manual heating / cooling changeover • Backlit display RDG100KN: • On/Off, PWM

# Symbol Description # Symbol Description 1 Heating mode 14 Automatic fan 2 Heating mode, electric heater active 15 Manual fan 3 Cooling mod

4.4 Remote operation The RDG thermostats can be operated from a remote location using an OZW772 web server, a RMZ792 bus operating unit or the ACS t

5. Supported KNX tools 5.1 ETS ETS is an engineering tool. It can be used for the full commissioning of the RDG KNX thermostats. The following fu

The control parameters, ([Pxx] description) can also be adjusted and down-loaded. Refer to section 3.14. 5.2 ACS tool With the ACS tool, the RD

The application and control parameters can be adjusted and downloaded. Column Line no. contains the parameter number as shown in the parameter table

ACS supports parameter settings even during normal operation. To change a control parameter, select Popcard, then Settings. • Make sure you have lo

ACS offers plant diagrams for easy monitoring and operation of the thermostat. To start this application, select Applications, then Pant diagram.

Plant type Application Configuration Application Configuration 2-pipe and electric heater 2-pipe fan coil unit with electric heater – Control sequence

Plant type Application Configuration Application Configuration 4-pipe with el heater 4-pipe fan coil unit with electric heater – Control sequence:

5.2.3 Operation and monitoring with OZW772 . The OZW772 web server enables users to operate a Synco HVAC system from a remote location – via PC or

2.3 Integration via KNX bus The RDG room thermostats can be integrated as follows: • Integration into Synco 700 system via LTE mode (easy engineer

6. Connection 6.1 Connection terminals RDG100KN L X1 MNQ1 Q2 Q3Y1SELVX23191A01CE+ CE-D1 GNDY2 Y3 Y4 RDG160KN LG X1 MG0Q1 Q2 Q3Y50SELVX23191A

6.2 Connection diagrams Application V1  V2  • 2-pipe YHC • 2-pipe and radiator • 4-pipe • 2-stage YHC YH 1st YR YC 2nd • 2-p

DC 0...10 V fan 1- / 3-speed fan Application V1  V2  • 2-pipe YHC • 2-pipe and radiator • 4-pipe • 2-stage

N1 Room thermostat RDG160KN F External circuit breaker S1...S3 Switch (keycard, window contact, presence detector, etc.) B1, B2 Temperature sensor

7. Mechanical design 7.1 General The room thermostat consists of 2 parts: • Plastic housing with electronics, operating elements and room tempe

8. Technical data Rated voltage AC 230 V Frequency 50/60 Hz Power consumption Max. 8 VA / 1 W No internal fuse External preliminary protection wit

Rated voltage DC 24 V : Make sure to connect G to + and G0 to - AC 24 V DC 24 V Frequency 50/60 Hz Power consumption Max. 2 VA / 2 W No internal

Interface type KNX, TP1-64 (electrically isolated) Bus current 20 mA Bus topology: See KNX Manual (see 1.2 "Reference documents") Switching

Reduction of hazardous substances 2011/65/EU EN50581 Safety class II as per EN60730 Pollution class Normal Degree of protection of housing IP3

Index 0 0…10 V  DC 0…10 V ........... 53 1 1- / 3-speed fan .............. 53 1