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SIEMENS RDG400 Room Thermostat Instruction Manual

2

Operating Instructions

RDG400

RDG400 – the electronic room thermostat that allows you to set the ideal room temperature you want.

The thermostat satisfies your individual needs in all operating modes: Comfort, Energy Saving and

Protection mode. You can either rely on the factory settings or make adjustments that suit your individual

needs.

Main display

Room

Operating mode

Heating mode

temperature

Room temperature in

degrees Celsius

Electrical heater on

Cooling mode

Room temperature in

degrees Fahrenheit

Button lock active

Alert indicator

Comfort mode

Energy Saving mode

Condensation in the

room

Protection mode:

Protection against frost

Temporary timer

function active

Indicator for selecting

mode

Additional user information

Operating mode button

Protection mode button

Rotary knob

Changing the room temperature

•

The setpoint can be adjusted with the rotary knob when Comfort mode

active

•

Turn the rotary knob clockwise (+) to increase, or counterclockwise (-) to decrease

the current room temperature setpoint for Comfort mode

The setting range is from 5...40 °C (41 … 104 °F), unless limited by parameters P09 and P10

(parameter Settings, see reverse side).

Selecting Comfort mode

•

Press the operating mode button until symbol

Comfort mode is selected

appears, indicating that

In Comfort mode, the thermostat maintains the setpoint which can be adjusted

with the rotary knob

Selecting Protection mode

•

Press the operating mode button until symbol

Protection mode is selected

appears, indicating that

•

In Protection mode, the plant stops operating. If the room temperature falls below

8 °C, heating is switched on however to protect the room against frost

The setpoints for Protection mode can be changed by your HVAC installer if desired:

Changes made by installer: Frost protection: ________ °C / °F Heat protection: __________ °C / °F

Selecting Energy Saving mode

In Energy Saving mode, the room temperature is maintained at a lower or higher setpoint, thus saving

energy and money.

•

When selecting Energy Saving mode, make sure parameter P02 is set to 2

Press the operating mode button until appears

You can change the preselected setpoint by adjusting parameters P11 and P12

(for parameter settings, see reverse side)

Important: The setpoint for Energy Saving mode can be set to OFF. This means that the thermostat is

deactivated! Risk of frost, i.e. no protective heating or cooling function is provided.

Energy saving tips without sacrificing comfort:

• Air out rooms for short periods of time only, but properly, with the windows wide open

• Never allow the room temperature to exceed 21 °C (70 °F) through heating, and to fall below 25.5 °C (78 °F) through

cooling

Button lock

•

To lock or unlock the buttons manually, press and hold the right button for 3

seconds. The buttons can be locked or unlocked in this manner if P14 is set to 2

If P14 is set to 1, the thermostat automatically locks the buttons 10 seconds after

the last adjustment

VIEW FULL SCREEN PDF MANUAL

General	Details
Name	SIEMENS RDG400 Room Thermostat Instruction Manual
Make	SIEMENS
Language	English
Filetype	PDF (Download)
File size	0.18 MB

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Siemens RDG400 Manual: Questions and Answers

What is the difference between Comfort mode and Protection mode on Siemens RDG400?

Mode	Behavior
Comfort mode	Maintains adjustable setpoint between 5 and 40 °C
Protection mode	Plant stops operating. Heating switches on below 8 °C to prevent frost

Instruction Manual, p. 1

Can I turn off Energy Saving mode on Siemens RDG400?

The setpoint for Energy Saving mode can be set to OFF. When OFF, the thermostat is deactivated and provides no protective heating or cooling, creating a risk of frost. Instruction Manual, p. 1