Siemens RDG1 series, RDG110, RDG140, RDG100, RDG160 Operating

N3181en
May 28. 2009

Building Technologies

3

181

RDG100 / RDG110
RDG140 / RDG160 RDG100T

Room thermostats with LCD
for wall mounting RDG1…

for fan coil unit applications
for universal applications
for use with compressors in dx type equipment

• RDG100...: Operating voltage AC 230 V, ON/OFF, 3-position or PWM control

outputs

• RDG110: Operating voltage AC 230 V, ON/OFF relay (SPDT) outputs

• RDG140 / RDG160: Operating voltage AC 24 V, DC 0…10 V control outputs

• Operating modes: Comfort, Energy Saving and Protection

• Automatic or manual fan speed

• Output for 1-speed, 3-speed or ECM fan DC 0...10 V (RDG160)

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

• Automatic or manual heating / cooling changeover

• Adjustable commissioning and control parameters

• Minimum and maximum setpoint limitation

• Backlit display

Additional features of RDG100T:

• Infrared remote control receiver

• Auto Timer mode with 8 programmable timers

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Siemens RDG1... room thermostats N3181en

Building Technologies May 28. 2009

Use

The RDG1… room thermostats are designed for use with the following types of system:

Fan coil units via ON/OFF or modulating control outputs:

• 2-pipe system

• 2-pipe system with electrical heater

• 2-pipe system and radiator / floor heating

• 4-pipe system

• 4-pipe system with electrical heater

• 2-stage heating or cooling system

Chilled / heated ceilings (or radiators) via ON/OFF or modulating control
outputs:

• Chilled / heated ceiling

• Chilled / heated ceiling with electrical heater

• Chilled / heated ceiling and radiator / floor heating

• Chilled / heated ceiling, 2-stage cooling or heating

Heat pumps with dx type equipment:

• 1-stage compressor for heating or cooling

• 1-stage compressor for heating or cooling with electri cal he ater

• 1-stage compressor for heating or cooling and radiat or / floor heating

• 1-stage compressor for heating and cooling with reversing valve

• 2-stage compressor for heating or cooling

Functions

• Room temperature control via built-in temperature sensor or external room

temperature / return air temperature sensor

• Automatic or manual changeover between heating and cooling mode

• Selection of applications via DIP switches

• Selection of operating mode via operating mode button on the thermostat

• 1- or 3-speed or DC 0…10 V fan control (automatic or manual)

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

• Minimum and maximum setpoint limitation

• Button lock (automatic or manual)

• 3 multifunctional inputs, freely selectable for:

– Operating mode switchover contact (keycard, window contact, etc.)
– Changeover sensor for automatic heating / cooling mode
– External room temperature or return air temperature
– Dewpoint sensor
– Electrical heater enable
– Faults

• Advanced fan control function, i.e. fan kick, fan start, selectable fan operation

depending on heating / cooling mode, fan start delay in systems with ON/OFF
control

• Purge function in conjunction with 2-port valve in systems with automatic heating /

cooling changeover

• Reminder to clean fan filters

• Floor heating temperature limitation

• Reload factory settings for commissioning and control parameters

• 7-day time program: 8 programmable timers to switch over between Comfort and

Energy Saving mode (RDG100T)

• Infrared remote control (RDG100T)

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Siemens RDG1… room thermostats N3181en
Building Technologies May 28. 2009

Applications

The room thermostats support the following applications, which can be configured via
DIP switches at the rear of the unit. Depending on the thermostat type, ON/OFF or
modulating control outputs are available.

Application

DIP switch

Control output Product no.

ON/OFF, PWM, 3-position RDG100…

ON/OFF (SPDT) RDG110

DC 0…10 V

RDG140

Heating or cooling

• 2-pipe fan coil unit

• Chilled / heated ceiling

• 1-stage compressor

1)

(B1)

M1

Y1

T

B2

T

T

(B1)

1 2 3 4 5

ON

OFF

DC 0…10 V

2)

RDG160

ON/OFF, PWM, 3-position RDG100..

ON/OFF (SPDT) RDG110
DC 0…10 V

Note: Modulating el. heater

RDG140

Heating or cooling with auxiliary
heater

• 2-pipe fan coil unit with el. heater

• Chilled / heated ceiling and el.

heater

• 1-stage compressor
and el. heater

1)

Y1

M1

T

B2

E1

T

(B1)

T

(B1)

1 2 3 4 5

ON

OFF

DC 0…10 V

2)

Note: Modulating el. heater

RDG160

ON/OFF, PWM, 3-position RDG100…

ON/OFF (SPDT) RDG110

DC 0…10 V

RDG140

Heating or cooling and radiator /
floor heating

• 2-pipe fan coil unit and radiator

• Chilled / heated ceiling and

radiator

(B1)

M1

Y1

T

B2

T

T

(B1)

YR

1 2 3 4 5

ON

OFF

DC 0…10 V

2) RDG160

ON/OFF, PWM, 3-position RDG100…

ON/OFF (SPDT) RDG110

DC 0…10 V

RDG140

Heating and cooling

• 4-pipe fan coil unit

• Chilled ceiling and radiat or

• 1-stage compressor

1)

• 1-stage compressor with reversing
valve

1)

T

Y2

Y1

M1

(B1)

T

(B1)

1 2 3 4 5

ON

OFF

DC 0…10 V

2)

RDG160

Heating and cooling with auxiliary
heater

• 4-pipe fan coil unit with el. heater

T

Y2

Y1

M1

(B1)

T

(B1)

YE

1 2 3 4 5

ON

OFF

ON/OFF, PWM, 3-position RDG100…

ON/OFF, PWM, 3-position RDG100...

ON/OFF (SPDT) RDG110

DC 0…10 V RDG140

2-stage heating or cooling

• 2-stage fan coil unit

• 2-stage chilled / heated ceiling

• 2-stage compressor

1)

Y1

M1

T

B2

T

(B1)

T

(B1)

Y2

1 2 3 4 5

ON

OFF

DC 0…10 V

2)

RDG160

1) Heat pump application covered by RDG110

2) With ECM fan control DC 0…10 V

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Siemens RDG1... room thermostats N3181en

Building Technologies May 28. 2009

Type summary

Equipment combinations

Type of unit Type reference Data Sheet
Cable temperature sensor

QAH11.1

1840

Room temperature sensor

QAA32

1747

Condensation detector / Supply unit

QXA2000 /

AQX2000

1542

Electromotoric ON/OFF valve and
actuator

(only available in AP, UAE, SA and IN)

MVI…/MXI…

4867

Electromotoric ON/OFF actuator

SFA21...

4863

Thermal actuator (for radiator valve)

STA21...

4877

Thermal actuator
(for small valves 2.5 mm)

STP21...

4878

Zone valve actuators

(only available in AP, UAE, SA and IN)

SUA…

4832

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 Combi-valve VPI45)

SSD31...

4861

Electromotoric actuator, 3-position
(for valves 5.5 mm)

SQS35…

4573

Electrical actuator, DC 0..10 V
(for radiator valve)

SSA61...

4893

Electrical actuator, DC 0..10 V
(for 2 and 3 port valves / V…P45)

SSC61…

4895

Electrical actuator, DC 0..10 V
(for small valve 2,5 mm)

SSP61…

4864

Electrical actuator, DC 0..10 V
(for small valves 5.5 mm)

SSB61...

4891

Features

Number of control outputs

Product
no.

Operating

voltage

ON/OFF PWM 3-pos.

DC

0..10 V

Time

program

Backlit LCD

Infrared

receiver

1)

ECM fan

2)

RDG100

AC 230 V

3

3)

23) 23)

9

RDG100T

AC 230 V

3

3)

23) 23)

9 9 9

RDG110

AC 230 V

24)

9

RDG140

AC 24 V

2 9

RDG160

AC 24 V

2 9

9

1) Infrared remote control must be ordered as a separate item

2) ECM fan output DC 0…10 V

3) ON/OFF, PWM or 3-position (triac outputs)

4) Relay output (SPDT)

ON / OFF actuators

3-position actuators

DC 0…10 V actuators