Siemens RDE10.1DHW User manual

3038

Room Temperature Controller

with 7-Day Time Switch and

independent DHW Control RDE10.1DHW

•2-position control with ON / OFF output for heating

•Independent ON / OFF control of DHW

•Operating modes: Auto, normal operation, energy saving and

frost protection

•7-day time switch and manual control

•Battery-powered DC 3 V (2 x 1.5 V AA)

Use

The RDE10.1DHW is used for the control of the room temperature in heating systems

with independent control of DHW.

Typical applications:

•Residential apartments

For the control of the following plant components and of DHW:

•Thermal valves or zone valves

•Gas or oil burners

•Fans

•Pumps

•Heat exchanger

•Continuous-flow water heater

•Small water heating systems

CE1N3038en

20.10.2005

Building Technologies

HVAC Products

Functions

Q14

T[°C]

OFF W

3030D01

T Room temperature

SD Switching differential

W Room temperature setpoint

Q14 Output signal for heating

Function diagram

Operating modes

The RDE10.1DHW provides auto, normal operation, energy saving (or OFF) or frost

protection mode. The difference between normal operation and energy saving mode is

merely the room temperature setpoint. The changeover from normal operation to en-

ergy saving or frost protection mode, or vice versa, is made by pressing a button.

In auto mode changeover between operating modes is accomplished automatically

according to the 7-day switching pattern.

Normal operation When normal operation is activated, symbol appears on the display. The setpoint

can be readjusted by pressing buttons , +and -.

Energy saving or OFF When energy saving mode is activated, symbol appears on the display. The setpoint

can be readjusted by pressing buttons , +and -.

In energy saving mode, the unit can also be switched to OFF. This is accomplished by

selecting a setpoint of 5 °C and then keeping button -depressed for 4 seconds. In

that case, symbol does not appear.

When frost protection mode is activated, symbol appears on the display.

Frost protection

7-day time switch The changeover between “normal” and “energy saving” temperature setpoints can take

place either automatically ( ) or manually ( , ), depending on the selection of the

operating mode.

When pressing the operating mode button until appears on the display, changeover

will take place automatically according to the selected switching pattern. A specific

switching pattern can be selected for every weekday.

Factory setting: Day(s) Normal operation Energy saving mode

Mo (1) – Fr (5) 6:00 – 8:00 h and

17:00 – 22:00 h 22:00 – 6:00 h and

08:00 – 17:00 h

Sa (6) – Su (7) 7:00 – 22:00 h 22:00 – 7:00 h

The current setpoint can be temporarily readjusted by pressing buttons +and -. The

setpoint will then be reset to its initial value the next time automatic or manual change-

over takes place.

When the operating mode button is set to or , the controller will maintain normal

operation or energy saving mode respectively.

DHW mode The RDE10.1DHW features independent control of DHW.

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The following DHW operating modes can be selected:

Continuously ON: Symbol appears on the display

Continuously OFF: No symbol on the display

Auto: Symbol

appears on the display, DHW is switched

according to the selected switching pattern

Factory setting: Time switch for DHW

Day(s) DHW control ON DHW control OFF

Mo (1) – Fr (5) 6:00 – 8:00 h and

17:00 – 22:00 h 22:00 – 6:00 h and

08:00 – 17:00 h

Sa (6) – Su (7) 7:00 – 22:00 h 22:00 – 7:00 h

Display The digital display shows the actual room temperature, the time of day, the weekday,

the current switching pattern for heating, the switching pattern for DHW, and the symbol

of the operating mode currently active. When the heating output is activated, the trian-

gle symbol appears.

Display of the switching pattern is split up in upper and lower row.

When the segment is displayed and flashing, the DHW output is activated. When no

segment is displayed, the DHW output is deactivated.

Upper row with

switching pattern

for DHW control

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Building Technologies Room temperature controller RDE10.1DHW CE1N3038en

062412 18

DHW Auto mode DHW ON mode DHW OFF mode

Lower row with

switching pattern

for heating

When the segment is displayed and flashing, the normal temperature setpoint is active.

When no segment is displayed, the energy saving or frost protection temperature set-

point is active.

062412 18

062412 18 062412 18

Automatic changeover Normal operation Energy saving mode

according to switching pattern

OFF mode and frost

protection display

062412 18

OFF mode Frost protection mode

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

mode changeover are memorized. However, the real time clock must be reset after the

batteries are replaced.

HVAC Products 20.10.2005

Ordering

When ordering, please give name and type reference: Room temperature controller

RDE10.1DHW.

Valve actuators are to be ordered as separate items.

Equipment combinations

Type of unit Type reference Data sheet

Electromotoric ON / OFF actuator SFA21... 4863

Thermal actuator (for radiator valve) STA21... 4893

Thermal actuator (for small valve 2.5 mm) STP21... 4878

Accessories

Description Type reference

Adapter plate 120 x 120 mm for 4“ x 4“ conduit boxes ARG70

Adapter plate 96 x 120 mm for 2“ x 4“ conduit boxes ARG70.1

Adapter plate for surface wiring 112 x 130 mm ARG70.2

Mechanical design

The controller consists of 2 parts:

•Plastic housing with digital display, which accommodates the electronics, the oper-

ating elements and the built-in room temperature sensor

•Mounting base

The housing engages in the mounting base and snaps on.

The base carries the screw terminals.

3038Z05

1 Display of the room temperature in °C, or setpoints

Legend 2 Current time of day using the 00:00... 23:59 format

3 Current weekday from 1 (Monday) to 7 (Sunday)

4 Current heating

and DHW switching pattern

with flashing time pointer

5 Symbol when the actual room temperature is displayed

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Building Technologies Room temperature controller RDE10.1DHW CE1N3038en

HVAC Products 20.10.2005

6 Button for operating mode

7 Button for DHW control

8 Selecting and leaving the setting mode for the DHW switching pattern

9 Symbol in automatic mode or when selecting the switching pattern

10 Heating ON

or will show when DHW heating is activaed

12 Symbol indicating that batteries need to be replaced

13 Buttons for adjusting the setpoints, the time of day and the switching times

14 Setting the weekday

15 Setting the time of day

16 Selecting and leaving the setting mode for the heating switching pattern

17 Setpoint adjustment for energy saving mode

18 Setpoint adjustment for normal operation

19 Button for confirming the switching pattern settings

20 Battery compartment

Notes

The room temperature controller should be mounted in a location where the air tem-

perature 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 controller can be fitted to a recessed conduit box.

•Only authorized staff may open the unit.

Caution: AC 230 V!

•The cables used must satisfy the insulation requirements with regard to mains

potential

Mounting, installa-

tions and commis-

sioning

When mounting the controller, fix the base first. Then, make the electrical connections

and fit and secure the cover (also refer to the relevant Mounting Instructions).

The controller must be mounted on a flat wall and in compliance with local regulations.

If there are thermostatic radiator valves in the reference room, they must be set to their

fully open position.

Maintenance The controller is maintenance-free.

Sensor calibration If the temperature on the display does not agree with the room temperature effectively

measured, the temperature sensor can be recalibrated. For that purpose, both buttons

+and must be pressed simultaneously for 3 seconds. Then, the temperature

displayed can be changed by a maximum of +/- 3 K by pressing the +and -buttons.

5 seconds after the last push of a button, the controller will automatically return to the

normal operating state.

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Building Technologies Room temperature controller RDE10.1DHW CE1N3038en

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Change of batteries If the battery symbol appears, the battery power is almost exhausted and the batteries

should be replaced.

To make a reset, first press and hold the button, then press the 2 buttons +

-simulta-

neously for 3 seconds. All individual settings will be reset to their standard values.

Reset

Technical data

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

Battery life (RDE10.1DHW) > 1 year (AA Alkaline batteries)

Power supply

Heating valve or wall-hung boiler – Y1

Control output Q12 (NC contact)

Rating RDE0.1DHW (AC 24...250 V) max. 5(2) A

Control output Q14 (NO contact)

Rating RDE10.1DHW (AC 24...250 V) max. 5(2) A

Control outputs

DHW control – Y2

Control output Q22 (NC contact)

Rating RDE10.1DHW (AC 24...250 V) max. 5(2) A

Control output Q24 (NO contact)

Rating RDE10.1DHW (AC 24...250 V) max. 5(2) A

Switching differential SD 1 K

Setpoint setting range

Normal operation 5…35 °C

Energy saving 0 (OFF) and 5…35 °C

Factory setting normal operation 20 °C

Factory setting energy saving 8 °C

Frost protection 5 °C (fixed)

Resolution of settings and displays

Setpoints 0.5 °C

Switching times 60 min

Actual temperature value displays 0.5 °C

Time of day displays 1 min

Operational data

Operation to IEC 721-3-3

Climatic conditions class 3K5

Temperature 0…+50 °C

Humidity <95 % r.h.

Transport to IEC 721-3-2

Climatic conditions class 2K3

Temperature -25…+60 °C

Humidity <95 % r. h.

Mechanical conditions class 2M2

Environmental conditions

Storage to IEC 721-3-1

Climatic conditions class 1K3

Temperature -25…+60 °C

Humidity <95 % r. h.

conformity to

EMC directive 89/336/EEC

Low-voltage directive 73/23/EEC and 93/68/EEC

N474 C-Tick conformity to

EMC emission standard

AS/NSZ 4251.1:1994

Product standards

Automatic electrical controls for EN 60 730 – 1 and

household and similar use EN 60 730–2-9

Electromagnetic compatibility

Emissions EN 61 000–6-3

Immunity EN 61 000–6-1

Standards

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Building Technologies Room temperature controller RDE10.1DHW CE1N3038en

HVAC Products 20.10.2005

Safety class II to EN 60730

Pollution class normal

Degree of protection of housing IP30 to EN 60529

Connection terminals for solid wires or prepared stranded wires.

2 x 1.5 mm2or 1 x 2.5 mm2(min. 0.5 mm2)

Weight 0.21 kg

Color of housing front white, NCS S 0502-G (RAL 9003)

General

Connection diagram

RDE10.1DHW

Q12 Q14

(inverse

of Q14)

Y1 Y2

Q22 Q24

(inverse

of Q24)

3038A02

Lx -Nx AC 24...250 V / max. 5 (2) A

Legend Y1 Heating valve or wall-hung boiler

Y2 DHW heating equipment

Application examples

TF1

3033S01

DHW

3033S02

T T

DHW

Room temperature controller with direct

control of a gas-fired wall-hung boiler and

independent control of DHW

Room temperature controller with direct control

of a gas-fired floor-standing boiler and

independent control of DHW

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Building Technologies Room temperature controller RDE10.1DHW CE1N3038en

HVAC Products 20.10.2005

Legend

3033S03

DHW

Thermal reset limit thermostat

Safety limit thermostat

Circulating pump

RDE10.1DHW room temperatures controller

3-port valve with manual adjustment

Magnetic valve

DHW heating equipment

Room temperature controller with direct

control of a heating circuit pump (precontrol

by manual mixing valve) and independent

control of DHW

Dimensions

Controller and base

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Building Technologies Room temperature controller RDE10.1DHW CE1N3038en

HVAC Products 20.10.2005

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