Siemens RDF800KN Manual de usuario

CB1N3174en

2014

-09-10

Building Technologies

3174

RDF800KN

RDF800KN/NF

Touch Screen Flush-mount Room

Thermostats with KNX

Communications

For 2-pipe, 2-pipe with electrical heater, and 4-pipe fan coil units

For universal applications

For use with compressors in DX type equipment

•KNX bus communications (S-mode and LTE mode)

•Large display with backlight

•2P / PI / P control

•Outputs for ON/OFF or 3-position control

•Outputs for 3-speed or 1-speed fan

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

•Independent function for window contact and presence detector

•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 ACS, ETS4 or via local HMI

•Interoperation into Synco 700

•Integration into Desigo via group (ETS4) or via individual addressing

•Integration into third-party system via group addressing (ETS4)

•AC 230 V operating voltage

•RDF800KN: Mounting on round box, with min 60 mm diameter or recessed

square 86 mm box with 60.3 mm fixing centers and min 40 mm depth

•RDF800KN/NF: Mounting on recessed square 86 mm box with 60.3 mm

fixing centers and min 40 mm depth, requires additional mounting frame

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Use

Room temperature control (heating or cooling) in individual rooms and zones by

means of:

•2-pipe fan coil units

•2-pipe fan coil units with electrical heater

•4-pipe fan coil units

•Chilled /heated ceiling

•Chilled /heated ceiling and electrical heater

•Chilled ceiling and radiator / under floor heating

•Compressors in DX-type equipment

•Compressors in DX-type equipment with electrical heater

The RDF800KN... controls:

•One single or 3-speed fan

•One or two ON/OFF valve actuators

•One ON/OFF valve actuator and one 1-stage electrical heater

•One 3-position valve actuator

•One 1-stage compressor in DX-type equipment, or one 1-stage compressor with

electrical heater

Used in systems with:

•Heating or cooling mode

•Automatic heating/cooling changeover

•Manual heating/cooling changeover

•Heating and cooling mode (such as 4-pipe system)

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

•ETS4

•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 (automatically via local sensor

or bus, or manually)

•Selection of applications via DIP switches or commissioning tool

•Selection of operating mode via touch screen

•Temporary Comfort mode extension

•1- or 3-speed fan control (automatically or manually)

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

•Minimum and maximum limitation of room temperature setpoint

•Keylock function: unlock, total lock and setpoint

•2 multifunctional inputs, freely selectable for:

−Window contact

−Presence detector

−External room temperature or return air temperature sensor

−Fault input

−Monitor input for temperature sensor or switch state

−Sensor for automatic heating / cooling changeover (RDF…)

−Dew point sensor (RDF…)

−Electric heater enable (RDF…)

•Advanced fan control function, such as: fan kick, fan start delay, and selectable

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

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

•Reminder to clean fan filters (adjust with P62)

•Floor heating temperature limitation

•Reload factory settings for commissioning and control parameters

•Wizard function for easy commissioning via HMI

•KNX bus (terminals CE+ and CE-) for communication with Synco or KNX

compatible devices

•Display of time of day via KNX bus

•Display of outdoor temperature via KNX bus on INFO page

•Time scheduling and central control of setpoints via KNX bus

•With a Synco RMx7xx 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 on the inner side of the thermostat's front panel or a

commissioning tool.

All DIP switches need to be set to OFF (factory setting) to select an application via

commissioning tool.

Remote configuration, via commissioning tool (factory

setting)

•Synco ACS

•ETS4

DIP switches

Remote configuration

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Applications for fan coil systems

Application and output signal, DIP switches, diagram

•2-pipe fan coil unit ON/OFF

(heating or cooling)

2 3

•2-pipe fan coil unit with el. heater

(heating or cooling) ON/OFF

2 3

3076D20

(B1)

3171D21

(B1)

•2-pipe fan coil unit 3-position

(heating or cooling)

2 3

•4-pipe fan coil unit ON/OFF

(heating and cooling)

3076D20

(B1)

3076D22

(B1)

V1 Heating or heating / cooling valve actuator B1 Return air temperature sensor or external room

temperature sensor (optional)

V2 Cooling valve actuator

B2 Changeover sensor (optional)

E1 Electric heater

M1 3- or 1-speed fan

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Applications for Universal systems

Application and output signal, DIP switches, diagram

•Chilled / heated ceiling ON/OFF

(heating or cooling)

•Chilled / heated ceiling with electric

heater

(heating or cooling) ON/OFF

2 3

3191S11

3191S12

•Chilled / heated ceiling 3-position

(heating or cooling)

2 3

•Chilled ceiling and radiator ON/OFF

(heating and cooling)

3191S11

N1T

3191S13

N1T

V1 Heating or heating / cooling valve actuator B1 Return air temperature sensor or external room

temperature sensor (optional)

V2 Cooling valve actuator

B2 Changeover sensor (optional)

E1 Electric heater

D3 Dewpoint sensor

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Applications for heat pump systems

Application and output signal, DIP switches, diagram

•1-stage compressor ON/OFF

(heating or cooling)

2 3

•1-stage compressor with electric

heater

(heating or cooling) ON/OFF

2 3

3181S31

3181S32

N1T

•1-stage compressor ON/OFF

(heating and cooling)

2 3

3181S35

N1 Thermostat

Terminal Y1: Heating (H&C) or Heating/Cooling

Terminal Y2: Cooling (H&C)

B1 Return air temperature sensor or external room

temperature sensor (optional)

E1 Electric heater

D3 Dewpoint sensor

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Type summary

Product no. Stock no. Operating

voltage

Control outputs Suitable for

3-pos

ON/OFF

DC 0..10 V

RDF800KN

S55770-T350

AC 230 V

1 1)

2 1)

Round conduit box

RDF800KN/NF 2)

S55770-T335

AC 230 V

Square conduit box

1) Selectable: ON/OFF or 3-position

2) Mounting frames are not included and must be ordered separately. See

“Accessories”

Ordering

•When ordering, indicate the product number, SSN and name.

For example:RDF800KN/NF (S55770-T335) room thermostat

RDF800KN (S55770-T350) room thermostat

•A mounting frame must be ordered for RDF800KN/NF installation

(See “Accessories”).

•Order valve actuators separately.

Equipment combinations

Type of unit

Product no.

Data sheet

Cable temperature sensor or

changeover sensor, cable length

2.5 m

NTC (3 kΩat 25 °C)

QAH11.1 1840

Room temperature sensor

NTC (3 kΩat 25 °C)

QAA32 1747

Cable temperature sensor,

cable length 4 m

NTC (3 kΩat 25 °C)

QAP1030/UFH 1854

Condensation / Dew point monitor

QXA2601 /

QXA2602 /

QXA2603 /

AQX2604

3302

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 actuators (only available

in AP, UAE, SA and IN)

SUA… 4832

Thermal actuator (for radiator valve)

STA23... 4884

Thermal actuator

(for small valves 2.5 mm)

STP23... 4884

ON/OFF actuators

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Type of unit

Product no.

Data sheet

Electrical actuator, 3-position

(for radiator valve)

SSA31... 4893

Electrical actuator, 3-position

(for small valve 2.5 mm)

SSP31… 4864

Electrical actuator, 3-position

(for small valve 5.5 mm)

SSB31... 4891

Electrical actuator, 3-position

(for 2- and 3-port valves / V…P45)

SSC31… 4895

Electrical actuator, 3-position

(for small valve 5.5 mm)

SSD31... 4861

Electromotoric actuator, 3-position

(for small valves 5.5 mm)

SQS35… 4573

For the maximal number of actuators in parallel, refer to information in the data

sheets of the selected actuators and to this list, depending on which value is lower:

•Parallel operation of max 6 SS… actuators (3-pos) is possible.

•Parallel operation of max 10 ON/OFF actuators is possible.

•Parallel operation of SQS35 is not possible.

Accessories

Designation Product no. / SSN Data

sheet

Changeover mounting kit

(50 pcs / package)

ARG86.3

N3009

Plastic mounting spacer for flush

mounted thermostats RDF800KN for

increasing the headroom in the conduit

box by 10mm

ARG70.3 N3009

Conduit box for RDF800KN

ARG71 /

S55770-T137

N3009

Single mounting frame *), Ivory White

(for RDF800KN/NF only)

ARG800.1 /

S55770-T370 --

KNX Power supply 160 mA

5WG1 125-1AB02

KNX Power supply 320 mA

5WG1 125-1AB12

KNX Power supply 640 mA

5WG1 125-1AB22

*) See the dimensions of mounting frame on page 19.

3-position actuators

Note:

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Mechanical design

The thermostats consist of the following parts:

•Front panel with electronics, operating elements and built-in room temperature

sensor.

•Mounting base with power electronics.

•Mounting frame is an additional part to complete the installation for

RDF800KN/NF.

The rear of the mounting base contains the screw terminals.

Slide the front panel in the mounting base and snap on.

Operation and

settings

Display

STATUS and

OPERATION of the

thermostat

INFORMATION

Line:

temperature, values

of parameters

Line: parameter

numbers, time clock

ADJUSTMENT for temperature setpoint, fan speed, operating

modes and settings (for example, Alarm, INFO, etc.)

SELECTION of

available INFO and

operating modes

Status symbols:

Key lock

Manual override

Alarm / Service reminder

Cooling active

Scheduler via bus

Heating active

FAN ACTIVE

Auxiliary heat active

Selection symbols:

Indoor temperature

Comfort mode

Outdoor temperature Economy mode

Protection mode

Operational icons:

+ 

Increment, decrement OR selection



Selection OR move to next items

Temperature OR parameter values, and etc.

Time clock (12 / 24 hour), parameter number

OR password, and etc.

Setpoint mode (temperature only)

Fan mode OR fan speed mode

Operating mode

Setting mode

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Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications 2014-09-10

Engineering notes

See the "Reference documentation", page 15, 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

Mount the room thermostat on a conduit box. Do not mount on a wall in niches or

between bookshelves, behind curtains, above or near heat sources, or exposed to

direct solar radiation. Mount about 1.5 m above the floor.

Mounting / Dismounting

•Do not apply excessive force on screws! The deformation of the mounting

frame may lead to improper connections and operation of the unit.

•Mount the room thermostat on a clean, dry indoor place without direct airflow

from a heating / cooling device, and not expose to drips or splashes water.

•For RDF800KN only, in case of limited space in the conduit box, use the

mounting spacer ARG70.3 to increase the headroom by 10mm.

•Before removing the front cover, disconnect the power supply.

Wiring

See the User Manual for the installation instructions enclosed with the thermostat.

•Comply with local regulations to wire, protection and earth the thermostat.

•The device has no internal fuse for supply lines to fan and actuators. To avoid

risk of fire and injury due to short-circuits, the AC 230 V mains supply line must

have a circuit breaker with a rated current of no more than 10 A.

•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 wiring cross section used for power supply (L, N), fan / relays (Qx) and 230

V outputs (Yx - N) must be adapted to the preceding overload protection

elements (max 10A) under all circumstances. Comply under all circumstances

with local regulations.

•Cables of SELV inputs X1-M / X2-M: Use cables with min 230 V insulation, as

the conduit box carries AC 230 V mains voltage.

•Inputs X1-M or X2-M: Several switches (e.g. window contact) may be

connected in parallel. Consider overall maximum contact sensing current for

switch rating.

•KNX communication cables (input CE+ / CE-): Use cables with min 230 V

insulation, as the conduit box carries AC 230 V mains voltage.

•When a KNX bus power supply is connected on the line with communicating

thermostats and Synco controllers, the internal KNX power supply of the

Synco controllers must be switched off.

•No cables provided with a metal shield.

•Disconnect from supply before opening the cover.

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