Key features of both types of thermostats:
Additional feature of RDE410/EH:
RDD310/EH and RDE410/EH room thermostats are used to control the room temperature in…
The thermostat acquires the room temperature with its built-in sensor and maintains the setpoint by delivering control commands. The switching differential is 1 K.
Function diagram
Floor heating application
The operating mode is selected via the operating mode button
Setpoints
Product no. (ASN) | Stock no. | Features |
RDD310/EH | S55770-T296 | Mains-powered AC 230 V |
RDE410/EH | S55770-T333 | Mains-powered AC 230 V with Auto Timer |
QAP1030/UFH | S55770-S289 | Cable temperature sensor NTC 3 k, cable length 4 m |
Ordering
When ordering, please indicate the product no., stock no. and description. Example:
Product no. (ASN) | Stock no. | Description |
RDD310/EH | S55770-T296 | Room thermostat |
The cable temperature sensors, electric floor mat, valves and actuators must be ordered separately.
Description | Product no. | Data Sheet | |
Cable temperature sensor, cable length 4 m | QAP1030/UFH | 1854 | |
Electromotor actuators with On/Off valve (only available in AP, UAE, SA and IN) | MVI../MXI.. | A6V11251892 | |
Electromotor On/Off actuators | SFA21.. | 4863 | |
Thermal actuators (for radiator valves) | STA23.. | 4884 | |
Thermal actuators (for small valves 2.5 mm) | STP23.. | 4884 | |
Zone valve actuators (only available in AP, UAE, SA and IN) | SUA21.. | 4830 |
The room thermostat consists of 2 parts:
The base fits on the conduit box. The front panel slides in the mounting base and snaps on.
RDD310/EH
RDE410/EH
The digital display shows the acquired room temperature or the setpoint for the current operating mode, selectable via parameter P06. The factory setting displays the current room temperature.
Mount the room thermostat on a recessed rectangular conduit box. Do not mount it in niches or bookshelves, not behind curtains, not above or near heat sources, and not exposed to direct solar radiation. Mount it about 1.5 m above the floor.
See Mounting Instructions CB1M1440xx enclosed with the thermostat.
Commissioning notes
After power is applied, the thermostat carries out a reset during which all LCD segments flash, indicating that the reset was correctly made. After the reset, which takes about 3 seconds, the thermostat is ready for commissioning by qualified HVAC personnel. The control parameters of the thermostat can be set to ensure the optimum performance of the entire system (see below).
# | Parameter | Factory setting | Setting range |
Service level | |||
P02 | Selection of operating mode via the operating mode button | 1 = Comfort – Frost Protection | RDD310/EH: 1 = Comfort – Frost Protection 2 = Comfort – Economy – Frost Protection RDE410/EH: 1 = Auto-Comfort – Frost Protection |
P05 | Temperature sensor calibration | 0.0 °C | –3…3 °C |
P06 | Standard temperature display | 0 = Room temperature | 0 = Room temperature 1 =Setpoint |
P08 | Comfort basic setpoint | 20 °C | 5…40 °C |
P09 | Min. setpoint limitation in Comfort mode (WminComf) | 5 °C | 5…40 °C |
P10 | Max. setpoint limitation in Comfort mode (WmaxComf) | 35 °C | 5…40 °C |
P11 | Heating setpoint in Economy mode | 16 °C | Off, 5…18 °C |
P14 | Button lock (press the operating mode button for 3 seconds to lock or unlock) | 0 = Disabled | 0 = Disabled 1 = Auto-lock 2 = Manual lock |
Expert level | |||
P30 | Switching differential in heating mode | 1 K | 0.5…6 K |
P38 | External input | 0 | 0 = No input 1 = External sensor input |
P45 | Heating system load in kW | 2.8 kW | 0…3.6 kW |
P51 | Floor heating temperature limit | Off | Off, 10…60 °C |
P65 | The setpoint of heating in Frost Protection mode | 8 °C | Off, 5…18 °C |
P69 | Temporary setpoint in Comfort mode | Off | Off = Disabled On = Enabled |
P71 | Reloading factory settings Set the value to “On” and confirm by pressing buttons + and – | Off | Off = Idle On = Reset |
Diagnostics and test | |||
d02 | Status X1 | Diagnostics | 0…xx °C = Measured temperature |
d07 | Software version information | No adjustment | Ux.x |
Parameter settings at service and expert levels:
The parameters are divided into “Service level” and “Expert level”. The parameter setting mode can be entered as follows: Set the thermostat to “Off/Frost Protection”
Service level only (P02…P14)
Press buttons + and – simultaneously for 3 seconds. Release them and, within 2 seconds, press button + for 7 seconds. Parameters P02…P14 can now be adjusted (service level)
Expert level plus service level (all parameters P02…P71)
Press buttons + and – simultaneously for 3 seconds. Release them and, within 2 seconds, press the button – for 7 seconds. Parameters P02…P71 can now be adjusted (expert level)
In parameter setting mode, the parameters can be readjusted as follows:
Disposal
The device is considered an electronic device for disposal in accordance with European Guidelines and may not be disposed of as domestic garbage.
Power | supply | Operating voltage | AC 230 V +10/-15% |
Frequency | 50/60 Hz | ||
Power consumption | Max. 4 VA | ||
Outputs | Control output Y1-N1 (NO) Rating | AC 230 V Max. 16 (8) A | |
External protection for incoming cable Circuit breaker Circuit breaker tripping characteristic | Max. 16 A Type B, C, or D to EN 60898 and EN 60947 | ||
Inputs | External sensor input (X1-M) Type Temperature range Cable length | NTC 3 k 0…70 °C Max. 80 m |
Operating data | Switching differential (adjustable) Heating mode (P30) | 1 K (0.5…6 K) |
Setpoint setting and range | 20 °C (5…40 °C) 16 °C (Off, 5…18 °C) 8 °C (Off, 5…18 °C) | |
Floor temperature limitation setting range (P51) Factory setting (P38) | Off and 10…60 °C Off (limitation function not active) | |
Built-in room temperature sensor Measuring range Accuracy at 25 °C Temperature calibration range | 0…49 °C <±0.5 K ±3.0 K | |
Settings and display resolution Setpoints Current temperature value displayed | 0.5 °C 0.5 °C | |
Environmental conditions | Operation Climatic conditions Temperature Humidity | As per IEC 60721-3-3 Class 3K5 0 …50 °C < 95% r.h. |
Transport Climatic conditions Temperature Humidity Mechanical conditions | As per IEC 60721-3-2 Class 2K3 – 25…60 °C < 95% r.h. Class 2M2 | |
Storage Climatic conditions Temperature Humidity | As per IEC 60721-3-1 Class 1K3 – 25…60 °C < 95% r.h. | |
Standards and directives | EU Conformity (CE) | CE1T1440xx*) |
RCM conformity | CE1T1440en_C1*) | |
Protection class | II as per EN 60730-1 | |
Pollution class | II as per EN 60730-1 | |
Degree of protection of housing | IP31 as per EN 60529 | |
Environmental compatibility | The product environmental declaration CE1E1440en*) contains data on environmentally compatible product design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal). | |
Eco-design and labeling directives | Based on EU Regulation 813/2013 (Eco design directive) and 811/2013 (Labelling directive) concerning space heaters, and combination heaters, the following classes apply: | |
Application with On/Off operation of a heater | Class, I value 1% | |
General | Connection terminals | Solid wires 1 x 2.5 mm2 |
Weight | 0.149 kg | |
Color of housing front | RAL 9003 white |
The documents can be downloaded from http://siemens.com/bt/download.
The documents can be downloaded from http://siemens.com/bt/download.
Application examples
Remarks
Issued by:
Siemens Switzerland Ltd
Smart Infrastructure
Global Headquarters
Theilerstrasse 1a
CH-6300 Zug
Tel. +41 58 724 2424
www.siemens.com/buildingtechnologies
© Siemens Switzerland Ltd, 2013 – 2021 Technical specifications and availability are subject to change without notice.
Download manuals:
SIEMENS RDD310EH Flush-mount room thermostat Product Specifications Guide
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