Application Guide siemens.com/thermostats

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1 RDG/RDF room thermostats Application Guide siemens.com/thermostats

2 Application overview 2-pipe el. heater or radiator 4-pipe with el. heater Chilled/ heated ceiling Chilled/heated ceiling with el. heater 2-pipe Fan coil unit Universal applications Chilled/heated ceiling and radiator 2-stage heating or cooling Chilled ceiling and radiator Single duct Compressor for heating or cooling Single duct with el. heater Variable air volume (VAV) Heat pumps Compressor with el. heater Single duct and radiator Single duct with heating/ cooling coil 2-stage compressor for heating or cooling Compressor for heating and cooling

3 Contents Introduction... 4 RDG Wall mounted range... 5 RDF / RDU Flush-mounted range... 7 Function and features... 9 Field of applications Applications Fan coil application overview Fan coil product overview Universal application overview Universal product overview Heat pumps application overview VAV application overview VAV product overview Frequently Asked Questions Reference basic documentation Helpful links Application examples Notes

4 Introduction The RDG and RDF thermostat range is very versatile and includes a number of products. RDG and RDF thermostats undergo continuous development to meet new market trends and requirements. The current products offer extensive features and cover a broad range of applications. To guarantee optimum comfort for end users, dedicated variants include humidity or indoor air quality control. In addition, both design and operating concept are important criteria for thermostat selection. For this reason, our customers can choose between thermostats with touch screen, push-buttons, or rotary knobs. This document: - provides an overview of the new RDG and RDF ranges; - helps you choose a suitable product; and - provides helpful installation and commissioning information. The section Application overview for each main application i.e. fan coil unit (FCU), universal heating and cooling, heat pumps and variable air volume (VAV) shows which applications are covered by what thermostat line. The section Product overview shows the available thermostat variants and supported applications. Before you start We recommend proceeding as follows prior to selecting a thermostat: - Type of main application: FCU, universal, heat pump, or VAV - Temperature, humidity or indoor air quality (IAQ) control - Application: e.g. 2-pipe with electric heater - Control sequence: heating, cooling, heating and cooling, 2-stage - Type of control output 1: ON/OFF, PWM, 3-position, or DC V - Type of control output 2: ON/OFF, PWM, 3-position, or DC 0 10 V - Type of fan control: DC or 3- / 1-speed fan - Type of inputs: e.g. external room temperature sensor, changeover sensor, keycard contact, window contact, presence detector, etc. - Type of thermostat: stand-alone, stand-alone with 7-day timer, or communicating thermostat - Thermostat design: Wall- or flush-mounted, touch screen - List additional important requirements 4

5 RDG Wall-mounted range The RDG is a compact, wall-mounted version offering elegant and modern design. The product consists of 2 lines of versatile products RDG1.. and RDG4..: - RDG1 line for FCUs plus universal (e.g. chilled ceilings or radiators) and heat pump applications - RDG4 line for VAV applications The thermostats are available as stand-alone versions, stand-alone with 7-day program and KNX versions tailored for use with Synco 700 via LTE-Mode and for integration in a BACS (Building Automation and Control System) via S-Mode. Highlights Premium communicating products - For humidity and indoor air quality (IAQ) control - Suitable for fan coil applications with DC fan motors - Interworking with KNX communicating sensors (temperature, humidity and CO2) and KNX communicating air dampers (VAV applications) - Enhanced feature for 2-pipe / 2-stage application with mixed systems (e.g. fan coil and radiant heating/cooling panels) - With additional relay functions to control external equipment for extending functionality or for reducing energy costs - For universal heating and cooling application with 6-port control ball valve - RDG165KN Temperature and humidity control. The communicating energyefficient modulating thermostat for controlling DC fan motors and either DC or 2-position valves, or for 3-speed fan and DC valves, including KNX interface. Operating on AC 24 V (SELV). Highlights: Humidity control. Interworking with KNX sensors. 3-speed and DC fan control. Window contact/presence detection function. Extended features for 2-pipe/2-stage mixed systems. Suitable for heat pump applications. Additional relay switching functions to extend functionality. - RDG160KN Communicating, energy-efficient, modulating thermostat to control DC fan motors and either DC or 2-position valves, or 3-speed fan and DC valves, including KNX interface. Suitable also for universal applications to control 6-port control ball valve. Operating on AC 24 V (SELV). Highlights: 3-speed and DC fan control. Window contact/presence detection function. For universal applications with 6-port control ball valves. Suitable for heat pump applications. Additional relay switching functions to extend functionality. - RDG100KN Versatile communicating thermostat with ON/OFF and modulating (PWM or 3-position) outputs, for 3-speed fan control and KNX interface. - RDG405KN Temperature and indoor air quality (IAQ) control. Versatile communicating thermostat for VAV applications with modulating and ON/OFF outputs and KNX interface with IAQ functions. Highlights: Indoor air quality control. Interworking with KNX and DC sensors. Window contact/presence detection function. - RDG400KN Versatile communicating thermostat for VAV applications with modulating and ON/OFF outputs and KNX interface. 5

6 Premium products (Stand-alone) - RDG100 Versatile stand-alone thermostat with ON/OFF and modulating (PWM or 3-position) outputs, for 3-speed fan control. - RDG100T Versatile stand-alone thermostat with 7-day program and same functionality as RDG100, plus infrared receiver for remote control. - RDG100T/H Versatile stand-alone thermostat as landscape version of RDG100T, 7-day program, can be disabled allowing the unit to work like a RDG100 with landscape design. Highlights: Optimal solution as replacement (retrofit) unit of landscape competitor products to avoid repainting works - Robust stand-alone thermostat with relay outputs (SPDT) for applications with maximal 5 A current on the control outputs and for 3-speed fan control. Highlights: This thermostat is the ideal solution for ON/OFF applications with electric heater, heat pumps, or heat pumps with reversing valve (RV). - RDG160T Energy-efficient modulating thermostat to control DC fan motors and either DC or 2-position valves, or 3-speed fan and DC valves. The 7-day program can be disabled. Operating on AC 24 V (SELV). Highlights: DC fan control. With additional relay switching functions to extend functionality. - RDG400 Versatile stand-alone thermostat for VAV applications with modulating and ON/OFF outputs. A number of control parameters can be adjusted on each thermostat to optimize the control performance. 6

7 RDF / RDU Flush-mounted range The RDF / RDU.. range is a compact flush-mounted solution. The RDF800KN with modern design is a thermostat with touch screen. The RDF800.. and RDF600.. lines fit into round conduit boxes with a 60 mm diameter and a minimum 40 mm of depth. The RDF3.. line is designed to fit into square conduit boxes with fixing center 60.3 mm (British Standard BS4662). The RDF and RDU are three product ranges featuring versatile and slim products: - RDF800KN for FCUs, universal heating and cooling, heat pump applications - RDF3.. /RDF6.. range for FCUs and heat pump applications - RDU range for VAV applications The thermostats are available as stand-alone, stand-alone with 7-day program and KNX versions tailored for use with Synco 700 via LTE-Mode or for integration in a BACS via S-Mode. There is also a version available with Modbus interface. Highlights Premium communicating products - Touch screen variant - Slim and elegant design - Dedicated occupancy / non-occupancy function for hotel applications - RDF800KN communicating touch screen thermostat with ON/OFF or modulating 3-position outputs to control 3-speed fan, for use with round conduit boxes conforming to CEE/VDE, with KNX interface. Highlights: Touch screen. Suitable for fan coil and universal heating/cooling systems. Window contact / presence detection function. - RDF600KN communicating thermostat for use with round conduit boxes conforming to CEE/VDE with ON/OFF or modulating 3-position outputs to control 3-speed fan, plus KNX interface. Highlights: Window contact / presence detection function. Dedicated occupancy function for hotels. - RDF301 communicating thermostat with ON/OFF or modulating 3-position outputs to control 3-speed fan, KNX interface and backlit display, for use with square conduit boxes. - RDF communicating thermostat with the same functionality as RDF301, plus switching group, for use with square conduit boxes. Highlights: Switching groups for lighting and blind control via KNX S-mode - RDF302 Communicating thermostat with the same functionality as RDF300.02, plus Modbus interface, for use with square conduit boxes. Highlight: Modbus interface. - RDU341 communicating thermostat for VAV applications with modulating DC 0 10 V and ON/OFF outputs, KNX interface, for use with square conduit boxes. 7

8 Premium products (Stand-alone) - RDF600 versatile stand-alone thermostat with ON/OFF or modulating 3-position outputs to control 3-speed fan, for use with round conduit boxes conforming to CEE/VDE. - RDF600T versatile stand-alone thermostat with 7-day program and same functionality as RDF600, plus infrared receiver for remote control and backlit digital display, for use with round conduit boxes conforming to CEE/VDE. - RDF versatile stand-alone thermostat for use with square conduit boxes with the same functionality as RDF RDF340 modulating thermostat operating on AC 24 V (SELV) with DC 0 10 V control outputs to control 3-speed fan, for use with square conduit boxes. - RDU340 versatile stand-alone thermostat for VAV applications with modulating DC 0 10 V and ON/OFF outputs, for use with square conduit boxes. 8

9 RDG / RDF functions and features Humidity and indoor air quality control To satisfy ever increasing demand for optimum comfort solutions and energy efficiency, in addition to standard room temperature control, some variants also control humidity in the room for fan coil and universal systems or air quality for VAV systems. RDG165KN thanks to the built-in humidity sensor, the thermostat limits room humidity according to the selected setpoint (min/max) by shifting the temperature setpoint and enabling outputs to release external equipment as needed, e.g. dehumidifier and/or humidifier. RDG405KN by interworking with communicating KNX IAQ sensor (AQR, QMX) or DC 0 10 V sensor, the thermostat controls the equipment to ensure optimum comfort by keeping both room temperature and IAQ level within desired limits. Good air quality translates into good health, greater concentration and higher productivity of occupants. Standard features and functions 1 Operating modes: Comfort, Economy and Protection Energy saving functions: external operating mode changeover, 7-day program, keycard or window contact, minimum and maximum setpoint limitation, etc. Numerous applications selectable via DIP switch Heating/cooling changeover: automatic or manual Control output signals: ON/OFF (triac or relay), PWM, 3-position and DC V Fan control: automatic or manual fan speed for 1-speed, 3-speed or DC fan 2 Fan operation: fan enable, heating only, cooling only, fan disable Multifunctional inputs (selectable): - External temperature sensor - Heating/cooling changeover sensor or switch - Operating mode changeover for keycard, window or timeswitch contact - Electric heater release - Dewpoint monitor - Fault input - Window contact switches operating mode to Protection - Presence detector 7-day program Timer for prolonged presence and absence Button lock Backlit display Infrared remote control Reminder for cleaning fan filter Floor temperature limitation Various parameters for setpoint adjustment and control setting Parameters and applications download via tool (ACS, ETS) for easy commissioning KNX communication interface: Synco700 via LTE-Mode and BACS (Building Automation and Control System) via S-Mode Switching groups for lighting and blinds control via KNX S-Mode Modbus communication interface 3 9

10 RDG - Extensive features and functions 1 Additional multifunctional inputs function (selectable): - Supply air temperature limitation Fan coil application for mixed systems with fan control only in the 2 nd stage Function to swap 1 st and 2 nd stage, when sequence changes from heating to cooling Control of 6-port control ball valves for universal applications Special selectable Qx relay switching functions to control external equipment for - Switching OFF contact in Protection Mode - Switching ON contact in heating and/or cooling demand - Switching ON contact when heating or cooling sequence is active - Switching ON contact for dehumidification / humidification control RDF - Extensive features and functions 1 Selectable dedicated occupancy / non-occupancy function for hotel application Wizard function for easy commissioning 1 Feature availability depends on thermostat type 2 Electronic commutated motor, DC V 3 Only available on RDF302 Field of applications In hotels, schools, offices, shops, movie theaters, museums, residential or other commercial buildings, the new room thermostat is the optimum solution for comfort and coziness while saving energy and costs. Thanks to dedicated features such as CO2 / humidity control for optimum comfort, presence detection to reduce energy costs, button lock or interworking with external sensors to prevent unauthorized setting changes and much more, finding a suitable thermostat to satisfy customer needs is possible for nearly all conditions. 10

11 Applications RDG/RDF thermostats cover the following applications: Fan coil FCUs via ON/OFF or modulating control outputs for temperature and humidity control using RDG1 / RDF8 / RDF6 or RDF3 : - 2-pipe system - 2-pipe system with electric heater - 2-pipe system and radiator/floor heating 4-4-pipe system - 4-pipe system with electric heater 4-2-pipe / 2-stage heating or cooling single or mixed system 4 Variable air volume VAV systems via ON/OFF or modulating control outputs for temperature and IAQ control using RDG4 or RDU3 : - Single-duct system - Single-duct system with electric heater - Single-duct system and radiator/floor heating 4 - Single-duct system with heating/cooling coil 4 11

12 Chilled/heated ceiling Chilled/heated ceilings (or radiators) via ON/OFF or modulating control outputs for temperature and humidity control using RDG1 or RDF8 : - Chilled/heated ceiling - Chilled/heated ceiling with electric heater - Chilled/heated ceiling and radiator/floor heating 4 - Chilled ceiling and radiator/floor heating - Chilled/heated ceiling, 2-stage heating or cooling, single or mixed system 4 - Chilled/heated ceiling with 6-port control ball valve heating and cooling 4 - Chilled/heated ceiling with PICV and 6-port control ball valve as changeover 4 Heat pumps Heat pumps with DX type equipment using RDG1 or RDF8 / RDF6 or RDF3 : - 1-stage compressor for heating or cooling - 1-stage compressor for heating or cooling with electric heater - 1-stage compressor for heating or cooling and radiator/floor heating 4-1-stage compressor for heating and cooling with reversing valve 4-2-stage compressor for heating or cooling 4 4 Applications covered by RDG thermostats only 12

13 RDG1 RDF6../3.. RDF8.. Fan coil application overview Description For 2-/ 4-pipe systems Control sequences for heating and/or cooling, 1 or 2 stages Multifunctional inputs for keycard contact, external sensor, etc. Automatic or manual heating/cooling changeover Automatic or manual fan speed 3-speed, 1-speed and DC V fan control Fan operation selectable in heating and cooling mode (enable, disable, heating only or cooling only) Applications 2-pipe Type of control output 2-pipe (ON/OFF) 2-pipe mod. (PWM) RDG Wallmounted RDF Flushmounted 3-speed fan DC fan 3-speed fan RDF800KN RDF600.. RDF pipe mod. (3-pos.) RDF800KN RDF600.. RDF pipe mod. (DC V) RDF340 2-pipe with electrical heater 2-pipe (ON/OFF) and el. heater (ON/OFF) 2-pipe (ON/OFF) and el. heater (mod. PWM or 3-pos.) RDF800KN RDF600.. RDF pipe (ON/OFF) and el. heater (DC V) 2-pipe mod. (PWM) + el. heater (ON/OFF, PWM or 3-pos.) 2-pipe mod. (3-pos.) + el. heater (ON/OFF, PWM or 3-pos.) RDG pipe mod. (DC V) and el. heater (DC V) RDF340 2-pipe mod. (DC V) and el. heater (ON/OFF) 13

14 Applications 2-pipe and radiator heating Type of control output 2-pipe (ON/OFF) and radiator (ON/OFF) 2-pipe (ON/OFF) and radiator (mod. PWM or 3-pos.) 2-pipe (ON/OFF) and radiator (DC V) 2-pipe mod. (PWM) and radiator (ON/OFF, PWM or 3-pos.) 2-pipe mod. (3-pos.) and radiator (ON/OFF, PWM or 3-pos.) RDG RDF 3-speed fan DC fan 3-speed fan 2-pipe mod. (DC V) and radiator (DC V) 2-pipe mod. (DC V) and radiator (ON/OFF) 4-pipe 4-pipe mod. (ON/OFF) RDF800KN RDF600.. RDF pipe mod. (ON/OFF, PWM, 3-pos.) 4-pipe mod. (ON/OFF, DC V) 4-pipe with electrical heater 4-pipe mod. (DC V) RDF340 4-pipe (ON/OFF) and el. heater (ON/OFF) 4-pipe (ON/OFF and 3-pos) and el. heater (ON/OFF) 4-pipe mod. (PWM) and el. heater (ON/OFF) 4-pipe mod. (PWM and 3-pos.) and el. heater (ON/OFF) 2-pipe, 2-stage heating or cooling 2-pipe / 2-stage (ON/OFF) 2-pipe / 2-stage mod. (PWM) 2-pipe / 2-stage mod. (3-pos.) 2-pipe / 2-stage mod. (DC V) 2-pipe / 2-stage mixed systems mod. (DC V) 2-pipe / 2-stage mixed systems mod. (DC V and/or ON/OFF) RDG165KN RDG165KN RDG165KN Abbreviations ON/OFF: 2-position control DC fan: Electronic commutated motor for fan, DC V 3-pos.: Modulating 3-position control signal El. heater: Electric heater PWM: Pulse width modulation Mod. output: Modulating output DC V: Modulating DC V signal 14

15 Fan coil product overview Product Application Stand-alone (no timer) Stand-alone with 7-day program Communicating (interface) Wall-mounted units: RDG RDG100 Control output ON/OFF or mod. (PWM or 3-pos.) With 3- or 1-speed fan 2-pipe (ON/OFF, PWM or 3-pos.) 2-pipe with electric heater FCU: (ON/OFF, PWM or 3-pos.) El. heater: (ON/OFF, PWM or 3-pos.) RDG100 RDG100T/H 1) RDG100T RDG100T/H RDG100KN 2-pipe and radiator FCU: (ON/OFF, PWM or 3-pos.) Radiator: (ON/OFF, PWM or 3-pos.) 4-pipe (ON/OFF, PWM and/or 3-pos.) 4-pipe with electric heater FCU: (ON/OFF, PWM and ON/OFF, PWM or 3-pos.) El. heater: (ON/OFF) 2-pipe/2-stage heating or cooling FCU: (ON/OFF, PWM or 3-pos.) With DC fan control Control output DC V or ON/OFF, 2-pipe (ON/OFF or DC) 2-pipe (ON/OFF or DC) with el. heater (ON/OFF or DC) Fan control DC V, 1- or 3-speed 2-pipe (ON/OFF or DC) and radiator (ON/OFF or DC) 4-pipe heating (ON/OFF or DC) and cooling (ON/OFF or DC) 2-pipe/2-stage (ON/OFF or DC) heating or cooling RDG160T 1) RDG160T RDG160KN RDG165KN With 3- or 1-speed fan 2-pipe (DC V) RDG165KN Additional humidity control 2-pipe (DC V) with el. heater (DC V) 2-pipe (DC V) and radiator (DC V) 4-pipe heating (DC V) and cooling (DC 0 10 V) 2-pipe/2-stage (DC V) heating or cooling Relay outputs ON/OFF (SPDT) With 3- or 1-speed fan 2-pipe (ON/OFF) 2-pipe (ON/OFF) with el. heater (ON/OFF) 2-pipe (ON/OFF) and radiator (ON/OFF) 4-pipe (ON/OFF) 2-pipe/2-stage (ON/OFF) heating or cooling 15

16 Product Application Stand-alone (no timer) Stand-alone with 7-day program Communicating (interface) Flush-mounted units: RDF RDF800KN Touch screen, relay outputs ON/OFF or 3-pos., for use with round conduit box With 3- or 1-speed fan 2-pipe (ON/OFF) 2-pipe (3-pos.) 2-pipe (ON/OFF) with el. heater (ON/OFF) 4-pipe (ON/OFF) RDF800KN 3) RDF800KN RDF600.. Relay outputs ON/OFF or 3-pos., for use with round conduit box With 3- or 1-speed fan 2-pipe (ON/OFF) 2-pipe (3-pos.) 2-pipe (ON/OFF) with el. heater (ON/OFF) 4-pipe (ON/OFF) RDF600 RDF600T RDF600KN RDF300.. Relay outputs ON/OFF or 3-pos., for use with square conduit box With 3- or 1-speed fan 2-pipe (ON/OFF) 2-pipe (3-pos.) 2-pipe (ON/OFF) with el. heater (ON/OFF) 4-pipe (ON/OFF) RDF RDF301..* RDF302 (ModBus) RDF340 Mod. control sequences with (DC V) output, for use with square conduit box With 3- or 1-speed fan 2-pipe (DC V) 2-pipe (DC V) with el. heater (DC V) 4-pipe heating (DC V) and cooling (DC V) RDF340 * Variants RDF301 RDF Thermostat with KNX interface Communicating thermostat with 4 buttons for lighting and blinds Notes: 1) 7-day program can be disabled 2) Use RDG165KN for applications with mixed systems when "fan in 2nd stage" or "swap function is required 3) Communication disabled when KNX address (parameter P81) is set to

17 RDG1 RDF8 Universal application overview Description For heating and/or cooling applications with heated/chilled ceiling or radiator For applications with 6-port control ball valve Extended 2-pipe / 2-stage function for mixed systems For temperature and humidity control Control sequences for heating and/or cooling, 1- or 2-stages Dewpoint monitoring Multifunctional inputs for keycard contact, external sensor, window contact, presence detector, etc. Interworking with KNX communicating sensors AQR, QMX Automatic or manual heating/cooling changeover Applications Type of control output Chilled/heated ceiling with changeover Chilled/heated ceiling, mod. (ON/OFF) Chilled/heated ceiling, mod. (PWM) RDG Wallmounted RDF Flushmounted RDF800KN Chilled/heated ceiling, mod. (3-pos.) RDF800KN Chilled/heated ceiling, mod. (DC V) Chilled/heated ceiling and electrical heater Chilled/heated ceiling (ON/OFF) and el. heater (ON/OFF) Chilled/heated ceiling (ON/OFF) and el. heater (mod. PWM or 3-pos.) Chilled/heated ceiling, mod. (PWM) and el. heater (ON/OFF, PWM or 3-pos.) Chilled/heated ceiling, mod. (3-pos.) and el. heater (ON/OFF, PWM or 3-pos.) Chilled/heated ceiling, mod. (ON/OFF, DC V) and el. heater (ON/OFF, DC V) RDF800KN 17

18 Applications Type of control output Chilled/heated ceiling and radiator Chilled/heated ceiling (ON/OFF) and radiator (ON/OFF) Chilled/heated ceiling (ON/OFF) and radiator (mod. PWM or 3-pos.) Chilled/heated ceiling, mod. (PWM) and radiator (ON/OFF, PWM or 3-pos.) Chilled/heated ceiling, mod. (3-pos.) and radiator (ON/OFF, PWM or 3-pos.) Chilled/heated ceiling, mod. (ON/OFF, DC V) and radiator (ON/OFF, DC V) Chilled ceiling and radiator Chilled ceiling (ON/OFF) and radiator (ON/OFF) Chilled ceiling (ON/OFF) and radiator (mod. PWM or 3-pos.) Chilled ceiling (PWM) and radiator (ON/OFF, PWM or 3-pos.) Chilled ceiling (3-pos.) and radiator (ON/OFF, PWM or 3-pos.) Chilled ceiling (ON/OFF, DC V) + radiator (ON/OFF, DC V) Chilled/heated ceiling with 2-stage cooling or 2-stage heating 2-stage mod. (ON/OFF) heating or cooling 2-stage mod. (PWM) heating or cooling 2-stage mod. (3-pos.) heating or cooling 2-stage mod. (ON/OFF, DC V) heating or cooling Chilled/heated ceiling, heating and cooling with 6-port control ball valve Chilled/heated ceiling with communicating 6-port control ball valve heating and cooling RDG Wallmounted RDG1...KN RDF Flushmounted RDF800KN RDF800KN Chilled/heated ceiling with 6-port control ball valve (DC V or DC V) heating and cooling RDG160KN Chilled/heated ceiling with PICV (DC 0 10 V) and 6-port control ball valve (ON/OFF) as changeover RDG160KN Abbreviations ON/OFF: 2-position control DC V: Modulating DC V signal 3-pos.: Modulating 3-position control signal El. Heater: Electric heater PWM: Pulse width modulation Mod. output: Modulating output 18

19 Universal product overview Product Wall-mounted units: RDG RDG100 Control outputs ON/OFF or mod. (PWM or 3-pos.) Relay outputs ON/OFF (SPDT) Control output DC V or ON/OFF, Fan control DC V, 1- or 3-speed RDG165KN Additional humidity control Application Chilled/heated ceiling (ON/OFF, PWM or 3-pos.) Chilled/heated ceiling and el. Heater CLC: (ON/OFF, PWM or 3-pos.) El. heater: (ON/OFF, PWM or 3-pos.) Chilled/heated ceiling and radiator CLC: (ON/OFF, PWM or 3-pos.) Radiator: (ON/OFF, PWM or 3-pos.) Chilled ceiling and radiator CLC: (ON/OFF, PWM or 3-pos.) Radiator: (ON/OFF, PWM or 3-pos.) Chilled/heated ceiling 2-stage CLC: (ON/OFF, PWM and/or 3-pos.) Chilled/heated ceiling (KNX -> communicating 6-port control ball valve) heating and cooling Chilled/heated ceiling (ON/OFF) Chilled/heated ceiling (ON/OFF) and el. heater (ON/OFF) Chilled/heated ceiling (ON/OFF) and radiator (ON/OFF) Chilled ceiling (ON/OFF) and radiator (ON/OFF) Chilled/heated ceiling 2-stage (ON/OFF) Chilled/heated ceiling (ON/OFF) Chilled/heated ceiling (DC V) Chilled/heated ceiling (ON/OFF) with el. heater (ON/OFF) Chilled/heated ceiling (DC V) with el. heater (ON/OFF) Chilled/heated ceiling (DC V) with el. heater (DC) Chilled/heated ceiling (ON/OFF) and radiator (ON/OFF) Chilled/heated ceiling (DC V) and radiator (ON/OFF) Chilled/heated ceiling (DC V) and radiator (DC V) Chilled ceiling and radiator heating (ON/OFF) and cooling (ON/OFF) Chilled ceiling and radiator heating (DC V) and cooling (DC 0 10 V) Chilled/heated ceiling 2-stage (ON/OFF) heating or cooling Chilled/heated ceiling 2-stage (DC V) heating or cooling Chilled/heated ceiling (KNX -> communicating 6-port control ball valve) heating and cooling Chilled/heated ceiling (DC V or DC V -> 6-port control ball valve) heating and cooling Chilled/heated ceiling (ON/OFF -> 6-port control ball valve, DC V -> PICV) heating and cooling Flush-mounted units: RDF RDF800.. Touch screen, relay outputs ON/OFF or 3-pos., for use with round conduit box Chilled/heated ceiling (ON/OFF or 3-pos.) Chilled/heated ceiling (ON/OFF) and el. heater (ON/OFF) Chilled ceiling (ON/OFF) and el. heater (ON/OFF) Chilled/heated ceiling (KNX -> communicating 6-port control ball valve) heating and cooling Notes: 1) 7-day program can be disabled 2) Communication disabled when KNX address (parameter P81) is set to 255 Standalone (no timer) RDG100 RDG100T/H 1) Stand-alone with 7-day program RDG100T RDG100T/H Communicating (interface) RDG100KN RDG100KN RDG160T 1) RDG160T RDG160KN RDF800KN 2) RDG165KN RDG160KN RDG165KN RDG160KN RDF800KN RDF800KN 19

20 RDG1 RDF6../3.. RDF8.. Heat pumps application overview Description Control sequences for heating and/or cooling, 1- or 2-stage Dewpoint monitoring Multifunctional inputs for keycard contact, external sensor, window contact, presence detector, etc. Min. ON/OFF time for compressor short cycle protection Applications Type of control output Compressor in DX-type equipment for heating or cooling RDG Wallmounted RDF Flushmounted 1-stage compressor (ON/OFF) RDF800KN RDF600.. RDF300.. Compressor in DX-type equipment for heating or cooling, with el. heater 1-stage compressor (ON/OFF), with el. heater (ON/OFF) RDF800KN RDF600.. RDF300.. Compressor in DX-type equipment heating and cooling 1-stage compressor (ON/OFF) for heating and cooling 1-stage compressor (ON/OFF) for heating and cooling with reversing valve RDG165KN RDF800KN RDF600.. RDF

21 Applications Type of control output Compressor in DX-type equipment, cooling or heating, 2-stage RDG Wallmounted RDF Flushmounted 2-stage compressor (ON/OFF) for heating or cooling Abbreviations ON/OFF: 2-position control El. heater: Electric heater Heat pumps product overview Product Application Stand-alone (no timer) Stand-alone With 7-day program Communicating (interface) Wall-mounted units: RDG Relay outputs ON/OFF (SPDT) 1-stage compressor (ON/OFF) for heating or cooling 1-stage compressor (ON/OFF), with el. heater (ON/OFF) 1-stage compressor (ON/OFF) for heating and cooling 1-stage compressor (ON/OFF) for heating and cooling with reversing valve 2-stage compressor (ON/OFF) for heating and cooling Control output ON/OFF, RDG165KN Additional humidity control Flush-mounted units: RDF RDF800.. Touch screen, relay outputs ON/OFF 1-stage compressor (ON/OFF) for H or C 1-stage compressor (ON/OFF), with el. heater (ON/OFF) 1-stage compressor (ON/OFF) for heating and cooling 2-stage compressor (ON/OFF) for heating and cooling 1-stage compressor (ON/OFF) for heating and cooling with reversing valve 1-stage compressor (ON/OFF) for heating or cooling 1-stage compressor (ON/OFF), with el. heater (ON/OFF) 1-stage compressor (ON/OFF) for heating and cooling RDG160T 1) RDG160T RDG160KN RDG165KN RDG165KN RDF800KN 2) RDF800KN RDF600.. Relay outputs ON/OFF RDF300.. Relay outputs ON/OFF, use with square conduit box 1-stage compressor (ON/OFF) for heating or cooling 1-stage compressor (ON/OFF), with el. heater (ON/OFF) 1-stage compressor (ON/OFF) for heating and cooling 1-stage compressor (ON/OFF) for heating or cooling 1-stage compressor (ON/OFF), with el. heater (ON/OFF) 1-stage compressor (ON/OFF) for heating and cooling RDF600 RDF600T RDF600KN RDF RDF301.. Notes: 1) 7-day program can be disabled 2) Communication disabled when KNX address (parameter P81) is set to

22 RDG4.. RDU3.. VAV application overview Description Control sequences for heating and/or cooling For temperature and indoor air quality control Interworking with KNX communicating sensors AQR, QMX Interworking with KNX communicating air damper actuator G..B../KN Modulating control output DC 0 10 V or 3-pos. for VAV box/air flow controller Multifunctional inputs for keycard contact, external sensor, window contact, presence detector, etc. Automatic or manual heating/cooling changeover Adjustable minimum and maximum limitation of air flow signal (DC 0 10 V) Modulating PI control Output signal inversion as an option Applications Type of control output RDG Wallmounted RDU Flushmounted Single duct Single duct (DC V) for VAV box RDG40.. RDU34.. Single duct mod. (3-pos.) for VAV box RDG40.. Single duct with electric heater Single duct (DC V) for VAV box, with el. heater (ON/OFF) RDG40.. RDU34.. Single duct (DC V) for VAV box, with el. heater (mod. PWM or 3-pos.) RDG40.. Single duct (3-pos.) for VAV box, with el. heater (DC V) RDG

23 Applications Type of control output RDG Wallmounted RDU Flushmounted Single duct with radiator Single duct (DC V) for VAV box, with radiator (ON/OFF) RDG40.. Single duct (DC V) for VAV box, with radiator (mod. PWM or 3-pos.) RDG40.. Single duct (3-pos.) for VAV box, with radiator (DC V) RDG40.. Single duct with heating/cooling coil Single duct (DC V) for VAV box, with heating/cooling coil (ON/OFF) Single duct (DC V) for VAV box, with heating/cooling coil (mod. PWM or 3-pos.) Single duct (3-pos.) for VAV box, with heating/cooling coil (DC V) RDG40.. RDG40.. RDG40.. Abbreviations VAV: Variable air volume system 3-pos.: Modulating 3-position control signal ON/OFF: 2-position control El. heater: Electric heater PWM: Pulse width modulation Mod. output: Modulating output DC V: Modulating DC V signal VAV product overview Product Application Stand-alone (no timer) Communicating (interface) Communicating with IAQ Wall-mounted units: RDG RDG40.. Control outputs signal DC V, ON/OFF, PWM or 3-pos. RDG405KN Additional indoor air quality control Single duct for VAV box VAV: (DC 0 10 V or 3-pos.) Single duct for VAV box with electric heater VAV: (DC 0 10 V) el. heater: (ON/OFF, PWM or 3-pos.) VAV: (3-pos.) el. heater: (DC 0 10 V) Single duct for VAV box with radiator VAV: (DC 0 10 V) radiator: (ON/OFF, PWM or 3-pos.) VAV: (3-pos.) radiator: (DC 0 10 V) RDG400 RDG400KN RDG405KN Single duct for VAV box with heating/cooling coil VAV: (DC 0 10 V) coil: (ON/OFF, PWM or 3-pos.) VAV: (3-pos.) heating/cooling coil: (DC 0 10 V) Flush-mounted units: RDU RDU34.. for use with square conduit box Single duct (DC V) for VAV box Single duct (DC V) for VAV box with el. heater (ON/OFF) RDU340 RDU341 23

24 Prepare and set up thermostats The versatile RDG and RDF room thermostats allow you better to meet customer needs. The following information helps you set up RDG and RDF thermostats. Control parameters A number of control parameters can be adjusted to optimize control performance and enable additional functions, making it possible to employ RDG and RDF thermostats in almost any type of application. The control parameters are assigned to 2 levels: Service Expert The service level contains a small set of parameters to set up the thermostat for HVAC systems (control sequence) and adjust the user interface. The expert level contains control parameters for fan, control inputs/outputs, and other functions. Be careful when changing parameters at the expert level as these changes impact the thermostat s control performance and functionality. Hint As a rule, you don t need to adjust parameters once the required application is selected via DIP switch, as the thermostat works correctly using factory-set parameters. You may, in some cases, still need to adjust application-specific parameters. - Control sequence (P01): select heating/cooling sequence and changeover function - Multifunctional inputs (P38 P42): select input functionality for X1, X2, D1 - Control outputs (P46 P47): select type of output signal (ON/OFF, PWM, 3- pos., DC) - Fan function (P52...P62): select fan functionality Installation and setup 1. Select a suitable thermostat. 2. Set application via DIP switch as per mounting instructions or via tool (remote setting). 3. Wire and install the thermostat. Apply power. 4. Set parameter P01 (control sequence) and other application-specific parameters as needed. Note: RDF3.../ RDU3.. flush-mounted thermostats can be installed only on square conduit boxes (British standard BS4662) with fixing center 60.4mm. 24

25 Control sequence (P01) This parameter is used to set the required heating and/or cooling sequence and to select automatic/manual changeover. Parameter P01 is preset as follows, depending on the selected application: 2-pipe or single-duct application: P01: = 1 = cooling only 4-pipe application: P01: = 4 = heating and cooling T Sequence Mode Heating only Cooling only = for electric heater/radiator Manually select heating or cooling mode (using HMI) Automatic heating / cooling changeover Heating and cooling mode Parameter P01=0 P01=1 P01=2 P01=3 P01=4 Multifunctional inputs X1, X2, D1 An NTC sensor such as QAH11.1 (AI) or a switch (DI) can be connected to the input terminals. Input functionality can be freely configured. Factory setting: RDG range Stand-alone Communicating P38: Multifunctional input X1 External temperature sensor (1) External temperature sensor (1) P40: Multifunctional input X2 Heating/cooling changeover (2) N/A (0) P42: Multifunctional input D1 Operating mode changeover (3) Operating mode changeover (3) RDF range Stand-alone Communicating P38: Multifunctional input X1 Operating mode changeover (3) Operating mode changeover (3) P40: Multifunctional input X2 Heating/cooling changeover (2) External temperature sensor (1) Hint If multifunctional inputs are not used, the corresponding parameter does not need to be set to zero. Available functions on X1, X2 and D1 (depending on variant). Function of inputs Description 1 External/return air temperature (AI) (not available for input D1) Temperature sensor input for External room temperature Return air temperature Floor temperature sensor to limit heating output 2 Heating/cooling Automatic heating/cooling changeover sensor or switch changeover (AI/DI) 3 Operating mode Digital input to change the operating mode to Economy changeover (DI) or window contact 4 Dewpoint monitor (DI) Digital input for a dewpoint sensor to monitor condensation 5 Enable electric heater (DI) Digital input to enable/disable the electric heater via remote control 6 Fault (DI) Digital input to indicate a fault on the display (e.g. dirty air filter) 7 Monitoring input (digital) Digital input to monitor the state of an external switch via bus (only for communicating variants) 8 Monitoring input (temperature) Sensor input to monitor the state of an external sensor (e.g. QAH11.1) via bus (only for communicating variants) 9 Supply air temperature limitation 5) The control output (DC V) is reduced if the supply air temperature drops below the min. limit or exceeds the max. limit 10 Presence detector 5) Presence detector input changes the operating mode to Comfort when the room is occupied 5) dependent on variant 25

26 Multifunctional analog input Control outputs (P46 P47) This analog input U1 (DC 0..10V) is available on communicating RDG40..KN to interwork with external DC sensors for indoor air quality functions (with RDG450KN) or to optimize pressure control by connecting the damper position signal. The input is commissioned via parameter P40. The offers max. three control outputs, each of either type ON/OFF, PWM or 3-position. To select the required type, use the DIP switch and P46 (1st control output) and/or P47 (2nd control output). For the 4-pipe with electrical heater application, the third output for electrical heater is ON/OFF. The.. offers two control outputs, each of either type ON/OFF or DC 0..10V. To select the required type, use parameter P46 (1st control output) and/or P47 (2nd control output). The RDG40.. for VAV applications offers two control outputs, DC 0 10 V and either ON/OFF, PWM or 3-position. To select the required type, use the DIP switch and P46 (reheater/cooler control output) and/or P47 (damper actuator, DC V or 3-pos.). Fan function (P03, P47, P52 P62, P67): RDG and RDF offer an extensive fan control concept with a broad variety of functions and features. The required options can be selected via the control parameters: - Fan mode automatic-manual or manual only (P03) - Fan active in cooling mode only, active in heating mode only, disable (P52) - Control output for 3-speed/1-speed fan (P53) - Control output for ECM fan, DC V signal (P55 P57) on RDG Fan minimum on time (P59) - Operation in dead zone together with return air sensor or to avoid damage due to moisture (P60, P61) - Fan start kick from standstill to overcome inertia and friction (P58) - Fan overrun to avoid overtemperatures after the electric heater turned off (P54) - Fan start delay by ON/OFF control to avoid cold or hot air (P67) - Fan selectable in the 2nd stage (P52, P47) Note: fan operation must be disabled via control parameter (P52) for universal application. Qx relay switching functions (P72, P73, P74) On RDG160KN, RDG165KN and RDG160T for fan coil applications with DC fan or for universal applications (without fan function), extra relay switching functions allow for extending the range of functions to control external equipment or save energy. Relay functions on the Q1 Q2 and Q3 outputs can be enabled by setting parameter P72 (for Q1), P73 (for Q2) or P74 (for Q3) to the corresponding value. Function description P7x = Switching off external equipment when the thermostat is in 1 Protection mode Switching on external equipment during - heating/cooling demand 2 - heating demand 3 - cooling demand 4 Energizing the contact when - the heating sequence is active - the cooling sequence is active

27 Commissioning On communicating thermostats, control parameters and application can be downloaded via ACS and ETS Service Tools or be selected via local HMI directly Note: RDG/RDF require an external KNX bus power supply if connected via OCI70.. Remote access, remote control, web server, iapp When interworking with Synco systems, remote control is possible via web server to monitor and set the desired comfort level any time. This not only is an advantage for end users, but, with appropriate equipment, allows for offering efficient and quick technical support. Diagnostic parameters Communicating KNX thermostats Hint After installing and setting up the thermostat, check the configuration by going to the Expert level and selecting the diagnostic parameters dxx (d01, d02, etc.). Together with Synco 700, the communicating KNX thermostats operate in LTE- Mode with Synco controllers RMB, RMU, RMH, KNX communicating sensor AQR/QMX, or communicating air damper actuators G..B../KN. The units are tailored to integration into BACS via S-Mode. Refer to technical documentation CE1N3127 for detailed information on installing and commissioning a KNX system. Energy saving features Hint - Offer EUBAC approved 6) thermostats and applications - Use thermostats with 7-day program - Use thermostats with modulating control outputs (e.g. DC V or 3- position) - Use thermostats with DC fan control (DC V) - Use KNX communicating thermostats - Activate auto fan function - Connect external operating mode changeover for central operating mode control - Connect window contacts to prevent energy loss when windows are open - Connect keycard contact for switching the unit to Economy mode when rooms are unoccupied - Define optimum setpoint limitations (heating max. 20 C, cooling min. 25 C) to minimize energy consumption - In applications with electric heater, use function Electric heater enable (P38, P40...) - Inform end users of extended absence and presence function. 6) Refer to data sheets for further information on EUBAC certification 27

28 Frequently Asked Questions Does the RDG405KN for VAV applications need an external IAQ sensor to control air quality? Yes, an external IAQ sensor must be connected either via KNX or directly to the DC V input. How can I disable the 7-day program on the RDG160T thermostat? The time program can be disabled via DIP switch Nr. 5 on the thermostat or via parameter P02. Where are the DIP switches located? On the RDG, the DIP switches are located at the rear of the unit; on RDF semi flush-mounted thermostats, they are located inside the front panel. Where do I find the correct DIP switch position? Refer to the mounting instructions and on the product. How can I set the parameters? Procedures to set parameters (service or expert level) is described in the basic documentation of the thermostats. When do I set control parameters? You generally do not need to adjust parameters, since the unit works correctly using the factory-set parameters. Nevertheless, in some cases, you may need to adjust the application-specific parameters during commissioning to enable the desired functions. To do this, access the expert level. Refer to the technical documentation for detailed information. The control parameters (on the service level for HVAC systems and to adjust the user interface) can be accessed any time. Is it possible to reload the default timer setting? Yes. The default timer setting (A1 A8) and the procedure for reloading are described in the technical documentation. Is it possible to reset the control parameters? Yes. The factory-set control parameters can be reloaded via parameter P71 by changing the value to ON and confirming with the buttons. Refer to technical documentation for detailed information. Can the current settings and installation be checked? On communicating thermostats, the installed application and selected parameters are visible via Synco ACS tool or web server OZW. On the thermostat, expert level, some diagnostic parameters (d01, d02, etc.) are available for checking the selected application, the status of the inputs, and testing the 3-position outputs. Refer to technical documentation for detailed information. 28

29 Documentation - P3076: RDF3../6.. stand-alone thermostats for FCUs - P3171: RDF3../6.. KNX communicating thermostats for FCUs - P3181: RDG1.. stand-alone thermostats for FCUs - P3191: RDG1..KN KNX communicating thermostats for FCUs - P3182: RDG400 stand-alone thermostat for VAV - P3192: RDG400KN KNX communicating thermostats for VAV - P3078: RDU340 stand-alone thermostat for VAV - P3172: RDU341 KNX communicating thermostat for VAV - P3079: RDF302 Modbus communicating thermostat for FCUs - P3174: RDF800KN KNX communicating touch screen for FCUs Helpful links QR Codes Internet Gamma TD Download Center HIT online 29

30 Application examples Fan coil applications Fan coil unit, 2-pipe with el. Heater Valve actuator: ON/OFF Heating with electric heater ON/OFF Automatic changeover Fan coil, 4-pipe with electric heater Valve actuators H&C: PWM Electric heater: ON/OFF Electric heater enable input Window contact FCU, 2-pipe and floor heating, 1-speed 2-pipe, cooling only: ON/OFF Floor heating limitation (ON/OFF) with temperature limitation 1-speed fan How to set the application 1. Thermostat: 2. DIP switch: 2-pipe application, el. heater 3. Wiring: Actuator Y11-N El. heater Y21-N Fan Q1...Q3-N Temp. sensor X1-M H/C changeover sensor X2-M 4. Parameters: P01 = 3 (automatic H/C changeover) Hints with relay outputs can drive direct an el. heater up to 1 kw 1. Thermostat: RDG DIP switch: 4-pipe application, el. Heater Y1 = PWM Y3 = PWM 3. Wiring: Actuator heating Y1-N Actuator cooling Y3-N Contactor1 for el. heater Y2-N Fan Q1...Q3-N El. heater enable X1-M Window cont. D1-GND 4. Parameters: P38 = 5 (El. heater input) P46 = 2 (PWM heating) P47 = 2 (PWM cooling) Hints Electric heater enable signal to lower energy costs Note1: Add relay if load exceeds 1A! 1. Thermostat: RDG DIP switch: 2-pipe application and radiator Y1 = ON/OFF Y3 = ON/OFF 3. Wiring: Actuator cooling Y1-N Actuator heating Y3-N Fan Q1-N Floor temperature sensor X1-M 4. Parameters: P51 = 25 C (fl oor heat. temp. limit) P53 = 1 (1-speed fan) Hints Limited heat supply to the floor to avoid overheating (DIN EN 1264) thus protecting the floor and ensuring more comfort Select 2-pipe and el. heater for application with electric floor heating 30

31 Fan coil applications How to set the application FCU, 2-pipe with electric heater, DC fans, thermostat with KNX Valve actuators (DC V) Electric heater ON/OFF (relay) DC fan signal Fan coil unit with dehumidifier, 2-pipe DC valve and DC fan 2-pipe DC valve (V1) DC 0..10V fan control (M1) Release contact dehumidifier (L3) 1. Thermostat: RDG160KN 2. DIP switch: 2-pipe application, el. heater Y10 = DC 0 10 V Q2 = ON/OFF 3. Wiring: Actuator Y10-G-Go El. heater Q2-N ECM fan Y50-Go 4. Parameters: Output P47 = 1 (el. heater: ON/OFF) Hints Modulating (DC) fan control for optimal comfort, lower level of noise and energy cost savings Check ECM fan max. (P55) and min. (P56) For better accuracy set power of the electrical heater on parameter P45 (optimal temperature compensation) 1. Thermostat: RDG165KN 2. DIP switch: 2-pipe application Y10 = DC Y50 = DC 3. Wiring: Actuator heating/cooling (V1) Y10-Go Fan motor (M1) Y50-Go 4. Parameters: Setpoint high P21 = 50% (factory setting) Valve P46 = 2 (factory setting) Relay function P74 = 7 (dehumidifier) Control strategy P75 = 3 (factory setting) Temp. shift P76 = 3 K (factory setting) Hints For only heating application set P01 = 0 For heating/cooling application with local water changeover sensor on X2, set P01= 3 and P40=2 Dehumidification function only with external equipment (no temperature setpoint shift), set P76=0 For humidity control without temperature setpoint shift, the external equipment is released 5% over the humidity setpoint Fan coil with radiant heating/cooling panels (mixed systems), swap function, fan in 2nd stage heating Cooling: 1 st stage fan coil (V2), 2 nd radiant panel (V1) Heating: 1 st stage radiant panel (V1), 2 nd fan coil (V2) DC fan motor (M1) runs only with the fan coil 1. Thermostat: RDG165KN 2. DIP switch: 2-pipe / 2-stage application Y10 = DC Y20 = DC Y50 = DC 3. Wiring: Radiant panel (V1) Y10-N Fan coil valve (V2) Y20-Go Fan motor (M1) Y50-N 4. Parameters: H/C P01 = 3 (2-stage H, 2-stage C) Fan P52 = 4 (in 2nd stage) Sensor P40 = 2 (water C/O on input X2) Valve P46 = 2 (panel) Valve P47 = 4 (swap function) Control strategy P75 = 0 (no dehumid.) Hints With dehumidification function, P75 = 3 31

32 Chilled ceiling applications How to set the application Chilled ceiling and radiator Chilled ceiling (3-pos.) and radiator (PWM) Dewpoint monitor 1. Thermostat: RDG DIP switch: 2-pipe application and radiator Y1/Y2 = 3-pos. Y3 = PWM 3. Wiring: Actuator cooling Y1/Y2-N Actuator heating Y3-N Dewpoint monitor X1-M 4. Parameters: P38 = 4 (dew point input) P46 = 2 (PWM) P52 = 0 (fan disable) Hint Dew point monitoring to detect condensation. Cooling is stopped if condensation occurs. Chilled/heated ceiling with PICV and 6-port control ball valve as changeover 1. Thermostat: RDG160KN (SW V1.12) 2. DIP switch: 4-pipe application Y10 = PICV valve Q1 and Q2 = 6-port control ball valve 3. Wiring: PICV Y10-Go 6-port valve 3 position : Q1-Q2-N 4. Parameters: P01 = 6 (H and C C/O 6 way valve) P72 = 3 (switch ON in H demand) P73 = 4 (switch ON in C demand) DC PICV valve (V1) 3 position 6-port control ball valve actuator Hints P72 = 3 and P73 = 4 are set automatically when P01=6 With this application, fan control is disabled Only Y10 output can be used to control the PICV valve VAV applications How to set the application VAV single duct, cooling only 1. Thermostat: RDG DIP switch: Single duct application Y10 = DC V 3. Wiring: Actuator Y10-Go-G Window contact D1-GND 4. Parameters: No change (= default) Hint Window contact for saving energy while airing out rooms Damper actuator: 0 10 V Window contact 32

33 VAV applications How to set the application VAV single duct and el. reheater Damper actuator: 3-pos. El. heater: DC V Central time switch 1. Thermostat: RDG DIP switch: Single duct application, el. Heater Y10 = DC V VAV single duct with external sensor AQR for Indoor Air Quality control CE+ KNX DC 0 10 V damper actuator CO2 sensor AQR2576/AQR2530 N1 CE- CE+ CE- Sensor 3. Wiring: Actuator Y1/Y2-G El. heater Y10-Go Time switch D1-GND 4. Parameters: P47 = 1 (VAV output 3-pos.) Hints Use a central time switch (e.g. SEH62.1) to set back room temperature during non-business hours Adjust parameter Prolong comfort period (P68) to allow occupants to override the central time switch, e.g. when working overtime 1. Thermostat: RDG405KN 2. DIP switch: Single duct application 3. Wiring: Air damper Y10-Go AQR2576NF, AQR2530NNW on KNX 4. Parameters: P01 = 1 (cooling only) factory setting Hints The KNX sensor AQR2576NF can be set with ACS (zone addressing) or with ETS (group addressing) - One DC 0 10 V CO2 or VOC sensor can also be connected on the multifunctional input U1 (Set P40 = 2) - CO2 concentration can be displayed with value in ppm or with symbols P07 = 6 (CO2 concentration [ppm]) P07 = 7 (CO2 symbols) Heat pump applications How to set the application Compressor with reversing valve 1. Thermostat: 2. DIP switch: 4-pipe application 3. Wiring: Compressor Y11/Y21-N Reversing valve Y12/Y22-N 4. Parameters: P52 = 0 (fan disable) Hints Set control sequence to manual changeover (P01=2); then users can select manually between heating and cooling Compressor: ON/OFF Reversing valve: ON/OFF 33

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