Siemens RDJ10 User manual

CE1N3071en

19.11.2007 Building Technologies

3071

Room temperature controller

with 24-hour time switch and

large LCD

RDJ10

For heating systems

•Operating modes: Automatic, Comfort, Energy Saving, and Frost Protection

•Large LCD

•Battery-powered: 2 x alkaline type AA batteries, 1.5 V

Use

The RDJ10 is used to control the room temperature in heating systems.

Typical applications:

•Homes

•Residential buildings

•Schools

•Offices

The controller is used together with the following equipment:

•Thermal valves or zone valves

•Combi boilers

•Gas or oil burners

•Fans

•Pumps

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Siemens Room temperature controllers CE1N3071en

Building Technologies 19.11.2007

Functions

The controller acquires the room temperature with its integrated sensor.

Q14

T[°C]

OFF W

3031D01

T Room temperature

SD Switching differential

W Room temperature setpoint

L1 Output signal for heating

The RDJ10 provides room temperature control only.

Operating modes

The RDJ10 provides the following modes: Automatic, Comfort, Energy Saving and

Frost Protection.

Changeover between the operating modes is made by moving the operating mode

slider to the respective position.

When Automatic mode is active, symbol appears on the display.

The RDJ10 operates according to the selected 24-hour time program.

When Comfort mode is active, symbol appears on the display.

The RDJ10 controls to the temperature setpoint adjusted at .

This setpoint can be readjusted by setting the programming slider to .

When Energy Saving mode is active, symbol appears on the display.

The RDJ10 controls to the temperature setpoint adjusted at .

This setpoint can be readjusted by setting the programming slider to .

When Frost Protection is active, symbol appears on the display.

The RDJ10 controls to the fixed temperature setpoint for frost protection.

Function diagram

Temperature sensor

Automatic mode

Comfort mode

Energy Saving

mode

Frost Protection

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Siemens Room temperature controllers CE1N3071en

Building Technologies 19.11.2007

The digital display shows the actual room temperature, the ON / OFF times and the

symbol of the operating mode currently active. When the heating output is active, the

triangle symbol appears.

When taking out the batteries, the setpoints and the information required for operating

mode changeover are retained for maximum 2 minutes.

Ordering

When ordering, please give name and product number: Room temperature controller

RDJ10.

Valves and actuators are to be ordered as separate items.

Equipment combinations

Type of unit Product number Data sheet

Electromotoric actuator SFA21... 4863

Electrothermal actuator (for radiator valves) STA21... 4877

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

2- or 3-port zone valve MXI/MVI421… 4867

Electromotoric actuator for zone valves V..146.. SUA21 4830

Electric actuator SUA11/22 4832

Air damper actuator GDB… 4624

Air damper actuator GSD/GQD… 4606

Air damper actuator GXD… 4622

Mechanical design

The controller consists of 3 parts:

•Plastic housing with digital display accommodating the electronics, operating ele-

ments and built-in room temperature sensor

•Baseplate (mounting base)

•Removable battery compartment

The housing engages in the baseplate and snaps on. The baseplate carries the screw

terminals. There is a reset button on the rear of the unit.

Display

Backup

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Siemens Room temperature controllers CE1N3071en

Building Technologies 19.11.2007

1 Display of the room temperature in °C

2 Indicates a request for heat

3 Indicates low battery power; replace batteries

4 Time of day (00:00…23:59 format)

5 Time setting position

6 First switch ON time

7 First switch OFF time

8 Second switch ON time

9 Second switch OFF time

10 Comfort temperature setting

11 Energy saving temperature setting

12 RUN position

13 Programming slider

14 Advance button (override / presence button)

15 Temperature setting knob

16 Operating mode slider

17 Battery compartment

18 Frost Protection; the RDJ10 controls to the fixed temperature setpoint for frost

protection

19 Energy Saving mode; the RDJ10 controls continuously to the energy saving

temperature setpoint

20 Comfort mode; the RDJ10 controls continuously to the comfort temperature

setpoint

21 Automatic mode; the RDJ10 operates according to the selected time and tem-

perature program

22 Indicates second switch ON / OFF time

23 Indicates first switch ON / OFF time

24 Indicates that programming is taking place

25 Setpoint is overridden temporarily (by advance button) until the next switching

time

26 The RDJ10 controls to the fixed frost protection temperature setpoint

27 The RDJ10 controls to the adjusted energy saving temperature setpoint

28 The RDJ10 controls to the adjusted comfort temperature setpoint

Key

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Siemens Room temperature controllers CE1N3071en

Building Technologies 19.11.2007

Notes

Mount the room temperature controller in a location where the air temperature can be

acquired as accurately as possible without getting adversely affected by direct solar

radiation or other heat or refrigeration sources.

Mounting height is about 1.5 m above the floor.

The unit can be fitted to a recessed conduit box.

When mounting the unit, fix the baseplate first. Then, make the electrical connections

and fit and secure the controller (also refer to separate mounting instructions).

Mount the controller on a flat wall and in compliance with local regulations.

If there are thermostatic radiator valves in the reference room, set them to their fully

open position.

The controller is maintenance-free.

If the battery symbol appears, the batteries are almost exhausted and must be re-

placed.

To reset, press the reset button on the rear of the unit. All individual settings are then

reset to their default values.

Technical data

Operating voltage DC 3 V (2 x 1.5 V AA alkaline batteries)

Battery life >1 year (with AA alkaline batteries)

Internal:

Thermistor 10 kΩ± 1% at 25 °C

Relay contacts

Switching voltage Max. AC 250 V

Min. AC 24 V

Switching current Max. 5 A res., 2 A ind.

At AC 250 V Min. 200 mA

Contact life at AC 250 V Guide value:

At 5 A res. 1 x 105cycles

Insulating strength

Between relay contacts and coil AC 3,750 V

Between relay contacts (same pole) AC 1,000 V

Switching differential SD 1 K

Setpoint setting range 5…30 °C (Comfort mode)

5…30 °C (Energy Saving mode)

5 °C (Frost Protection, fixed value)

Factory setting for Comfort mode 20 °C

Factory setting for Energy Saving 10 °C

mode

Mounting, installation

and commissioning

Maintenance

Change of batteries

Reset

Power supply

Sensor inputs

Outputs

Switching outputs

(LX, L1, L2)

Operational data

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Siemens Room temperature controllers CE1N3071en

Building Technologies 19.11.2007

Resolution of settings and displays

Temperature setpoints 0.5 °C

Display of actual temperature value 0.5 °C

Display of time of day 1 min

Connection terminals Screw terminals

(via mounting plate)

For solid wires 2 x 1.5 mm2

For stranded wires 1 x 2.5 mm2 (min. 0.5 mm2)

Operation To IEC 721-3-3

Climatic conditions Class 3K5

Temperature 0…+40 °C

Humidity <90% r.h.

Transport To IEC 721-3-2

Climatic conditions Class 2K3

Temperature -25…+60 °C

Humidity <95% r.h.

Mechanical conditions Class 2M2

Storage To IEC 721-3-1

Climatic conditions Class 1K3

Temperature -10…+60 °C

Humidity <90% r.h.

conformity to

EMC directive 2004/108/EC

Low-voltage directive 2006/95/EC

N474 C-tick conformity to

Test standards and requirements EN 61000-6-3, AS/NZS 4251.1:1999

Product standards

Automatic electrical controls for EN 60730- 1 and

household and similar use EN 60730- 2-9

Information technology equipment-

Safety-General Requirements EN 60950-1

Generic standards-Compliance to

lower power electronic apparatus EN 50371-1

Safety class II to EN 60730

Pollution degree 2

Degree of protection of housing IP20

Weight (including packaging)

RDJ10 340 g

Color of housing front Signal-white RAL 9003

Housing material ABS (LCD lens: PC)

Electrical connections

Environmental conditions

Standards

General

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Siemens Room temperature controllers CE1N3071en

Building Technologies 19.11.2007

Lx, Nx Live, neutral conductor, AC 24...250 V

Lx, L2 N.C. contact (for N.O. valves)

Lx, L1 N.O. contact (for N.C. valves)

Connection diagram

3071A01

RDJ10

5(2) Amax.

Application examples

2222S01

2222S02

T T

Room temperature controller with direct

control of a gas-fired wall-hung boiler

Room temperature controller with direct

control of a gas-fired floor-standing boiler

2222S03

Room temperature controller with direct

control of a heating circuit pump (precontrol

by manual mixing valve)

F1 Thermal reset limit thermostat

F2 Safety limit thermostat

M1 Circulating pump

N1 Room temperatures controller RDJ10

Y1 3-port valve with manual adjustment

Y2 Magnetic valve

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Siemens Room temperature controllers CE1N3071en

Building Technologies 19.11.2007

Dimensions

Room temperature

controller

Baseplate

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