Siemens RDS120-B Betriebsanleitung

A6V11727385

Smart Infrastructure

06/20/2019

Smart Thermostat

RDS120-B Technical Instructions

Advanced cloud connected thermostat for light commercial and residential

applications

•BACnet over IP Certified

•Controls conventional HVAC systems up to 3H/2C and heat pumps up to 4H/2C

•Easy to read, backlit, auto-dimming 3.5” color LCD touch

•Intuitive remote user control using Apple iOS and Android mobile phone

applications

•One-touch green leaf button to maximize energy efficiency

•Built-in Volatile Organic Compounds (VOC) sensor enables ventilation strategies

for optimum indoor air quality

•Built-in humidity sensor

•Built-in occupancy sensor and window / door contact enables smart occupancy

control

•Full, easy to program user schedule

Siemens Industry, Inc.

A6V11727385

Smart Infrastructure

06/20/2019

Thermostat Highlights

●Built-in VOC sensor senses wide range of offending organic odors that contribute to stale

air and drives ventilation control

●Easy to understand tri-level air quality indication: “Good”, “Okay”, “Poor”

●Built-in temperature and humidity sensors

●Inputs for remote or averaging temperature and humidity sensors

●One-touch operation for “Away”, “OFF”, “FAN” and “Heating/Cooling”

●Configurable setpoint limits

●Password protected screen lock

●Presence detection using a built-in sensor

●PID algorithm for precise control

●Advanced energy saving control with free cooling capability

●Two multifunctional inputs, optional and configurable for:

–Room temperature

–Operating mode switch

–Window / door contact

–Outside air temperature

–Room air humidity

–Presence detector

–Condensation monitor

–Room air quality

●Six relay outputs for:

–Conventional systems up to 3H/2C

–Heat pumps with up to 2 compressors and 2 stages of auxiliary heat

–Humidity or ventilation control

●Guided Setup Wizard

●Over the air (OTA) firmware upgradable

●Green Leaf button engages occupants in maximizing system efficiency. If scheduled

setpoint is overridden, the green leaf will turn red. One touch will return the system to the

programmed setpoint and the leaf will return to green.

Mobile App Features

●Support iOS and Android smartphones

●Support “Dark” and “Light” background colors on mobile app

●Full 7-day programmable schedule with three modes:

–“Comfort”: comfort settings during occupied periods

–“Economy”: setting for transition between “Unoccupied” and “Comfort”

–“Unoccupied”: setting for periods during absence to maximize energy savings

●Duplicates thermostat HMI on smartphone screen

●User account management

●Monitor temperature and humidity

●Monitor indoor air quality: “Good”, “Okay”, “Poor”

●Data security with Siemens Cloud Computing Platform

Application

The RDS120 is designed to control Heat Pump or Conventional HVAC heating and cooling

applications. It can control up to three stages of heating and two stages of cooling in

conventional systems and up to two compressors and two stages of auxiliary heat in heat

pump systems.

Siemens Industry, Inc.

A6V11727385

Smart Infrastructure

06/20/2019

Mechanical Design

The room thermostat consists of the following parts:

●Front housing with touch screen and sensors

●Back housing with terminals and relays

●Mounting hardware for installation on 2’’×4’’ electrical box or directly on drywall

Operation and Settings

Active Display

System setup screens and detailed information display

Shows if the system is working in an energy-optimized mode. If the leaf is red, some

predefined settings have been changed. One touch to the leaf returns settings to

configured settings and reverts leaf color to green.

Room temperature

Manually select between “At home” and “Away”

Shows if the thermostat is operating per the schedule ( ) or manually ( ). Please

note:

●If there is Cloud connection and the scheduler has been programmed, the

thermostat will follow it. Any temporary change of the temperature setpoint is

effective only during the currently scheduled mode.

●If there is Cloud connection, but the schedule has not been programmed, the

thermostat follows the default schedule.

●If there is no Cloud connection, the thermostat will have no schedule and will be

operated manually.

Fan mode (AUTO/ON)

Temperature setpoint slider. Icon color changes as setpoint is changed:

●Slider changes to red when heating relay is energized.

●Slider changes to blue when cooling relay is energized.

●If system has reached setpoint and is idle, the slider color stays white.

Siemens Industry, Inc.

A6V11727385

Smart Infrastructure

06/20/2019

Idle Display

Relative humidity

Shows room air quality:

●Green = Very Good

●Orange = Fair

●Red = Poor

Shows if the system is working in an energy-optimized mode. If the leaf is red, some

pre-defined settings have been changed. One touch to the leaf returns settings to

configured settings and reverts leaf color to green.

Room temperature

NOTE: Idle mode display will vary based on system configuration.

Ordering Information

Model Number

Orderable Part Number

Description

RDS120-B

Room Thermostat

Contents

Items

Quantity

Thermostat (front and rear)

Metal mounting plates (small & large)

Plastic frame

Set of screws and drywall anchors

Quick guide

Mounting instructions

Wiring decals

Activation code decal

Siemens Industry, Inc.

A6V11727385

Smart Infrastructure

06/20/2019

Associated Equipment

Remote sensors

Sensor Type

Model Number

Ohm at

32°F Ni

Ohm

RTD

Type 2

Thermistor

0-10 Vdc

Datasheet*

Room Temperature Sensors

- Wall-mount

QAA2220.EWSN

149-714

QAA2212.EWSN

149-714

QAA2230.EWSN

149-714

QAA22SS.EWSN

149-714

- Flush-

mount1)

540-984 (Metal)

149-956

536-994A (Beige)

149-956

536-994B (White)

149-956

- Duct-mount

QAM2030.010 (4”)

149-915

Outdoor Temperature Sensors

QAC22

149-920

QAC2012

149-920

QAC2030

149-920

QAC3161

149-920

Cable Temperature Sensors

QAP22

149-918

QAP2012.150

149-918

QAP1030.200

149-918

Room Humidity Sensors

- Wall-mount

including

temperature

QFA3212.EWSN

x(T)

x (r.h.)

149-714

QFA32SS.EWSN

x (T+r.h.)

149-714

- Duct-mount

including

temperature

QFM2160U

x (T+r.h.)

149-991

Indoor Air Quality Sensors

- CO2

QPA2000

149-910

- VOC + CO2

QPA2002

149-910

QPA2002D1)

149-910

- CO2

including

temperature

QPA2060

x(CO2+T)

149-910

QPA2060D1)

x(CO2+T)

149-910

- Duct-mount

CO2

QPM2100

149-909

- Duct-mount

VOC + CO2

QPM2102

149-909

- Duct-mount

CO2including

temperature

QPM2160

x(CO2+T)

149-909

Siemens Industry, Inc.

A6V11727385

Smart Infrastructure

06/20/2019

* The documents can be downloaded from Siemens US Download Center by specifying the

product number as shown in the above table.

1) With digital display

Replacement Part

Description

Model

Number

Orderable

Part Number

Plastic trim plate and metal mounting

plate for 2’’ × 4’’ box (1 set)

ARG100.01

S55772-T102

Product Documentation

Topic

Title

Document

number

Mounting and installation

Installation guide

A6V11727380

Installation and operation

User guide

A6V11727414

Startup wizard

Quick guide

A6V11727429

Commissioning

Commissioning guide

A6V11727391

Submittal sheet

A6V11727426

CE declaration

A5W90002476

RCM declaration

A5W90002477

Product environmental declaration

A5W90003412

Notes

Security

CAUTION

National safety regulations

Failure to comply with applicable safety regulations may result in personal injury and

property damage

●Observe and comply with the appropriate safety regulations.

Engineering

See Product Documentation [➙6] for information on engineering, selection and sizing

connecting cables for supply voltage and field devices.

Siemens Industry, Inc.

A6V11727385

Smart Infrastructure

06/20/2019

Installation Location

●The devices are suitable for wall installation.

●Recommended height: 5 feet above the floor.

●Do not install the devices in recesses, shelves, behind curtains or doors, or above or

near heat sources.

●Avoid direct exposure to sun and drafts.

●Seal the conduit or backwall as drafts can affect sensor readings.

●Observe maximum ambient conditions.

Wiring

Use only class 2 rated power source with proper current limiting.

Installation

Thermostat may be mounted directly on wall using drywall anchors and screws (included).

For installation on a 2” × 4” conduit box , use the appropriate mounting plate and plastic trim

piece (included).

WARNING

No user serviceable parts inside.

Risk of fire and injury due to short-circuits

●Use properly sized wires for connections

Commissioning

Refer to the Quick guide and User guide (see Product Documentation [➙6]) to configure

your device. Commissioning includes the following:

●Internet connection

●Application setup

●Account registration and device pairing

NOTE: Before configuring your thermostat, make sure you have Internet connection, a valid

email address, and a smartphone.

Operation

Operating System

Siemens Industry, Inc.

A6V11727385

Smart Infrastructure

06/20/2019

OS version

App Store

iOS

iOS 10 or above

App store®

Android

AndroidTM 5.0 or above

Google PlayTM

Maintenance

The thermostat is designed for maintenance-free operation.

Disposal

The device is considered an electronic device for disposal in accordance

with the European Guidelines 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.

Regulatory information

Radio equipment directive

The equipment is using harmonized frequency in Europe, and also compliances with the

Radio Equipment Directive (2014/53/EU, formerly 1999/5/EC).

ISED Regulations (Canada)

This device complies with Industry Canada license-exempt RSS standard(s).

Operation is subject to the following two conditions: (1) this device may not cause

interference, and (2) this device must accept any interference, including interference that

may cause undesired operation of the device.

Le present appareil est conforme aux CNR d'Industrie Canada applicables aux appareils

radio exempts de licence. L'exploitation est autorisee aux deux conditions suivantes : (1)

l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout

brouillage radioelectrique subi, meme si le brouillage est susceptible d'en compromettre le

fonctionnement.

Siemens Industry, Inc.

A6V11727385

Smart Infrastructure

06/20/2019

FCC Regulations (USA)

WARNING

Modification of this device to receive cellular radio telephone service signals is

prohibited under FCC rules and federal law.

This equipment has been tested and found to comply with the limits for a Class B digital

device, pursuant to part 15 of the FCC Rules. These limits are designed to provide

reasonable protection against harmful interference in a residential installation. This

equipment generates, uses and can radiate radio frequency energy and, if not installed and

used in accordance with the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will not occur in a

particular installation. If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the equipment off and on, the user

is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is

connected. Consult the dealer or an experienced radio/TV technician for help.

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled

environment. This equipment should be installed and operated with minimum distance of

20cm between the radiator & your body.

Changes or modifications not expressly approved by the party responsible for compliance

could void the user's authority to operate the equipment.

Statement

This device complies with part 15 of the FCC Rules. Operation is subject to the following two

conditions: (1) This device may not cause harmful interference, and (2) this device must

accept any interference received, including interference that may cause undesired operation.

Siemens Industry, Inc.

A6V11727385

Smart Infrastructure

06/20/2019

Technical data

Power Supply

Operating voltage

24 Vac (±20%)

Frequency

48 to 63 Hz

Power consumption

Max. 9 VA

Max. power supply current

4 A current limited

Radio Data

Radio Parameter

Frequency band

2.4 to 2.4835 GHz

Maximum radio-frequency power

18 dBm

WLAN standard

IEEE 802.11b/g/n (HT20)

WLAN channel

1-11

Inputs

Connections to Multifunctional Inputs X1 - M - X2

Passive temperature sensors

- Cable length max. (copper

cable

section)

- NTC type

Room temperature range

Outdoor temperature range

- Ni type

Room temperature range

Outdoor temperature range

- Pt type

Room temperature range

Outdoor temperature range

300 ft (90 m) (16 AWG wire), 230 ft (70 m) (18 AWG

wire)

200 ft (60 m) (18 AWGwire), 130 ft (40 m) (20 AWG

wire)

NTC10K Type 2 Thermistor

32 to 122°F (0…50°C)

-32 to 176°F (-50…80°C)

Ni1000 at 32°F (0℃) RTD

32 to 122°F (0…50°C)

-32 to 176°F (-50…80°C)

Pt1000_375/Pt1000_385 at 32°F (0℃) RTD

32 to 122°F (0…50°C)

-32 to 176°F (-50…80°C)

Active DC 0 V to 10 V sensors

- Room temperature range

(default)

- Outdoor temperature range

(default)

- Humidity range (default)

- CO2range (default)

Note: min./max. configurable via parameters

32 to 122°F (0…50°C)

-32 to 176°F (-50…80°C)

0 to 100%

0 to 2000 ppm

Digital contacts

- Operating action

- Contact sensing

Selectable N.O./N.C.

DC 14 to 40 V, 8 mA (typical)

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