Siemens RDH10 User manual

CE1N3069en

14.12.2007 Building Technologies

3069

Room temperature controller

with large LCD RDH10

Non-programmable, for heating or cooling systems

•Large LCD

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

Use

The RDH10 is used to control the room temperature in heating or cooling 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 CE1N3069en

Building Technologies 14.12.2007

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

T[°C]

OFF

3011D02

T Room temperature

SD Switching differential

W Room temperature setpoint

L1 Output signal for cooling

The RDH10 provides control of the room temperature only.

The digital display shows the actual room temperature and the Comfort temperature

setpoint. 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

RDH10.

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

Function diagram

Temperature sensor

Display

Backup

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Siemens Room temperature controllers CE1N3069en

Building Technologies 14.12.2007

Mechanical design

The unit 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.

1 Display of the room temperature in °C

2 Indicates a request for heat

3 Temperature setting knob

4 Battery compartment

5 Comfort temperature setpoint

6 Indicates low battery power; replace batteries

Key

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Siemens Room temperature controllers CE1N3069en

Building Technologies 14.12.2007

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 the 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

replaced.

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

reset to their default values.

Mounting, installation

and commissioning

Maintenance

Change of batteries

Reset

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Siemens Room temperature controllers CE1N3069en

Building Technologies 14.12.2007

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

Factory setting comfort setpoint 20 °C

Resolution of settings and displays

Temperature setpoint 0.5 °C

Display of actual temperature value 0.5 °C

Connection terminals (via baseplate) Screw terminals

For solid wires 2 x 1.5 mm2

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

Operation IEC 721-3-3

Climatic conditions Class 3K5

Temperature 0…+40 °C

Humidity <90% r.h.

Transport IEC 721-3-2

Climatic conditions Class 2K3

Temperature -25…+60 °C

Humidity <95% r.h.

Mechanical conditions Class 2M2

Storage 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 safety

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 as per EN 60730

Pollution degree 2

Degree of protection of housing IP20

Weight (incl. packaging)

RDH10 340 g

Color of housing front Signal-white RAL 9003

Housing material ABS (LCD lens: PC)

Power supply

Sensor inputs

Switching outputs

(LX, L1, L2)

Outputs

Operational data

Electrical connections

Environmental conditions

Standards

General

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Siemens Room temperature controllers CE1N3069en

Building Technologies 14.12.2007

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

3069A01

RDH10

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

TN1

2264S01

Room temperature controller with direct

control of a heating circuit pump (precontrol

by manual mixing valve)

Room temperature controller with direct

control of cooling equipment

F1 Thermal reset limit thermostat

F2 Safety limit thermostat

M1 Circulating pump

E1 Cooling equipment

N1 Room temperature controller RDH10

Y1 3-port valve with manual adjustment

Y2 Magnetic valve

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Siemens Room temperature controllers CE1N3069en

Building Technologies 14.12.2007

Dimensions

Room temperature

controller

Baseplate

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