Siemens SSA911.01TH User manual

A6V11739247_en--_a Smart Infrastructure

2020

Smart valve actuator

SSA911.01TH

Wireless radiator valve actuator, works with RDS110.R

● RF-controlled actuator communication based on THREAD protocol (2.4 GHz,

bidirectional)

● Connection and operation with RDS110.R and optionally RCR114.1

● Battery-powered by commercially available 1.5 V AA batteries

● Valve thread connection M30x1.5 mm

● Nominal stroke 2.5 mm

● Valve positioning force 90 N

● Automatic adaptation to valve

● Integrated temperature sensor and PI controller

Siemens A6V11739247_en--_a

Smart Infrastructure 2020-10-08

Use

● The SSA911.01TH wireless radiator valve actuator is designed to work on radiator

valves of different manufacturers in HVAC applications using M30x1.5 thread. It operates

the valve to control the water flow and controls the room temperature.

● The valve actuator works only in combination with Siemens Smart Thermostat

RDS110.R and optionally with wireless repeater RCR114.1.

● One RDS110.R can be paired with up to 6 radiator valve actuators in parallel. Up to 3

wireless repeaters RCR114.1 can be used to extend the range of the network.

Smart Thermostat

RDS (Application)

RDS110.R SSA911.01TH RCR114.1

RDS110.R

RCR114.1

SSA911.01TH

Topology with RDS110.R Topology with RCR114.1

Siemens A6V11739247_en--_a

Smart Infrastructure 2020-10-08

Functions

Function Description

Communication The communication protocol used is THREAD.

THREAD is a low-power wireless mesh networking protocol and enables device-to-device

and device-to-cloud communication. THREAD is based on IEEE 802.15.4 radio standard.

Parallel operation Up to 6 actuators can be paired and operated with 1 RDS110.R or RCR114.1

Pairing The pairing process must be started on the Smart Thermostat and via HMI on the

SSA911.01TH

Calibration At first start-up, the SSA911.01TH automatically detects the end positions of the radiator

valve and calculates the available stroke. The actuator uses this information for positioning

between 0 and 100 %

Displaying status

information

Actuator status information is indicated on the display

● Setpoint temperature

● Connection to Smart Thermostat

● Radio signal strength

● Battery status (only active when the battery is low)

● Error codes

Connection test When this function is activated, the actuator sends a signal to the connected Smart

Thermostat. Information about the actuator will be shown on the display of the Smart

Thermostat.

Reset and start

new pairing

The current connection to RDS110.R or RCR114.1 is deleted. A new pairing process to

connect to another Smart Thermostat device starts automatically.

Adaptation to

valve

This function starts a new calibration of the SSA911.01TH to the attached valve.

Factory reset Reset the actuator to factory settings. Any existing connection to RDS110.R or RCR114.1 is

deleted and the stem is retracted.

Firmware version Shows the running version of the firmware.

Back up mode In case of a loss of communication, the internal PI-controller controls the temperature

according to the last setpoint received from the Smart Thermostat using the internal

temperature sensor.

Low batteries When the battery capacity drops to 20 %, the actuator displays the battery symbol as a pre-

warning.

A command is sent to the Smart Thermostat and a low battery indication is shown on the

RDS110.R.

Once the batteries are empty, the actuator sends a signal to the Smart Thermostat controller

and shuts down operation with a minimum valve position of 15 %.

Error codes In case of an actuator malfunction or communication error with the Smart Thermostat, an

error code is shown on the display of the SSA911.01TH. See Error codes [➙ 9]

Type summary

Type Stock no. Description

SSA911.01TH S55181-A101 Smart radiator valve actuator

Scope of delivery

Every SSA911.01TH is supplied with 2 inserted AA alkaline batteries (LR6) and a Quick

guide (A5W00046617).

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Accessories

Adapter AV.. for third-party valves

Type (= stock no.) For radiator valves from:

AV51 Beulco distributor M30x1.0

AV52 Comap

AV53 Danfoss RA-N (RA2000)

AV54 Danfoss RAVL

AV56 Giacomini

Theft protection kit

Type Stock no.

ATN5 S55845-Z244

The theft protection kit secures the actuator; it prevents the batteries from being removed

and the actuator from being unscrewed from the radiator valve without the use of a tool.

Equipment combination

Siemens valves

The SSA911.01TH is suited for use with the following types of Siemens radiator valves:

Type kVS

[m3/h]

PN Data sheet

VDN1.., VEN1..

Radiator valves 0.25…1.41

CE1N2105

VDN2.., VEN2.., VUN2.. CE1N2106

VD1..CLC.. 1.9…2.6 CE1N2103

VPD.., VPE.. MCV radiator valves 0.02…0.48 CE1N2185

VD1.., VE1.. * Radiator valves 0.25…3.4 CE1N2145,

VD2.., VE2.., VU2.. * CE1N2146

For radiator valves with AV.. adapters, see Accessories [➙ 4]

kVS = Nominal flow rate of chilled water (5…30 °C) through the fully opened valve (H100) at a differential

pressure of 100 kPa (1 bar)

* No longer available

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Third-party valves without adapter

The SSA911.01TH can operate third-party radiator valves without adapter, provided they

have a M30x1.5 mm connecting thread and meet the following requirements:

Force 90 N nominal

Fully closed x > 9.0 mm

Fully open y ≤ 14.5 mm

Valves of the following manufacturers may be used with the SSA911.01TH:

● Honeywell MNG

● Cazzania

● Heimeier

●

● Finimetall

● Oventop M30x1.5 (from 2001 onward)

● Junkers

●

Danfoss

Valve pre-adjustment / kV-limitation

For valve pre-adjustments, refer to the relevant technical documentation on the valves.

Ensure a minimum valve stroke of > 0.5 mm.

Product documentation

Title Contents Document ID

Smart valve actuator

SSA911.01TH

Data sheet: product description A6V11739247

Quick guide Smart Valve

Actuator SSA911.01TH

Instructions for mounting, commissioning and

operating SSA911.01TH

A5W00046617

Mounting instructions Smart

Thermostat RDS110.R

Instructions for mounting RDS110.R A5W90008181

Quick guide Smart Thermostat

RDS110.R

Instructions for commissioning and operating

RDS110.R

A5W90008183

Smart Thermostat Wireless

RDS110.R

Data sheet: product description A6V11562461

RDS110.R Smart Thermostat

Wireless – User Guide

Detailed information on RDS110.R, including

installation, commissioning and operation

A6V11562455

Mounting instructions Smart

Thermostat Receiver RCR114.1

Instructions for mounting RCR114.1 A5W90008182

Quick guide Smart Thermostat

Receiver RCR114.1

Instructions for commissioning and operating

RDS110.R

A5W90008184

Smart Thermostat Receiver

RCR114.1

Data sheet: product description A6V11562464

Related documents such as environmental declarations, CE declarations, etc., can be

downloaded at the following Internet address:

http://siemens.com/bt/download

Siemens A6V11739247_en--_a

Smart Infrastructure 2020-10-08

Notes

Security

CAUTION

National safety regulations

Failure to comply with national safety regulations may result in personal injury and property

damage.

●

Observe national provisions and comply with the appropriate safety regulations.

WARNING

Burns from hot surface

The screw nut with which the actuator is fastened on the radiator valve will become hot.

Risk of burns from contact with the screw nut.

When servicing the actuator:

● Switch off the radiator.

●

Allow the radiator to cool off.

WARNING

Explosion due to fire or short circuit, even with discharged batteries

Risk of injury due to flying parts

● Prevent the batteries from coming into contact with water.

● Do not recharge batteries.

● Do not damage or disassemble batteries.

●

Do not beat batteries over 85

WARNING

Leakage of electrolyte

Severe burns

● Handle damaged batteries only wearing suitable protective gloves.

● In case of contact with electrolyte, rinse eyes immediately with plenty of water. Consult

a doctor.

Observe the following:

● Observe the polarities (+/-).

● The batteries must be new and undamaged.

● Do not mix new and used batteries.

Store, transport and dispose of the batteries in compliance with local requirements,

regulations and laws. Also observe the instructions of the battery manufacturer.

Siemens A6V11739247_en--_a

Smart Infrastructure 2020-10-08

Mounting

The SSA911.01TH is mounted on the radiator valve. There are no preferred mounting

positions; the actuator SSA911.01TH may be operated in all mounting positions. Make sure

the display is visible and the button is accessible.

WARNING

Falling objects

Overhead installation may result in injury from falling objects.

●

Do not install the actuator more than 2

m above ground.

Firmly tighten the screw nut by hand. No tools are required to tighten the actuator on the

valve.

Commissioning

w Install and commission the RDS110.R and (optionally) the RCR114.1

w Choose the “Radiator valve” application on the Smart Thermostat (for documentation,

see Product documentation [➙ 5])

w Start the installation and commissioning of the SSA911.01TH (see also Quick guide

A5W00046617)

1. Mechanical mounting of the SSA911.01TH on the radiator valve

– Tighten the threaded screw nut firmly by hand (do not use tools)

2. Remove plastic slip securing the batteries from the SSA911.01TH and wait for the

actuator to start up (approximately 5 s)

3. Press the button on the SSA911.01TH for automatic calibration process (> 2 s) and wait

for the confirmation of the calibration on the display

4. Start the pairing process on the RDS110.R in the advanced setting menu by pressing

“Pair new devices”

5. Press the button on the SSA911.01TH to start pairing (> 2 s). Pairing to Smart

Thermostat may take up to 30 s.

a Once the SSA911.01TH is paired to the RDS110.R, the display will confirm the

connection and switch off.

a The SSA911.01TH is now controlled by the Smart Thermostat

Unsuccessful pairing or calibration to the valve is indicated by an error code on the display

(see Error codes [➙ 9]).

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Smart Infrastructure 2020-10-08

Operation

HMI

The interface consists of an LCD display [1] and one push

button [2].

During normal operation, the display is switched off in order

to conserve energy and ensure a long battery life.

Display Function Description

THREAD Communication Blinks during pairing mode with Smart Thermostat

Valve adaptation Shown during adaptation of the actuator to the radiator valve

Confirmation / acknowledgment Confirms a positive result after any successful operation

Low battery status Shown when status information feature is activated if the battery

is low

Connection test Shown for 30 s while a connection test is performed

The ID of the connected device will be shown on the RDS110.R

display

Key lock Shown when pressing the button if key lock mode is activated

In key lock mode, no manipulation on the actuator is possible.

Error Shown with error code when an error has occurred

Disappears when normal status has been reached again

Factory reset Shown during a factory reset process

Setpoint temperature

Temperature unit

Interactive symbols shown during pairing, adaptation and factory reset functions:

● no: appears after choosing function

– short button press (< 1 s) exits the function, turns the display off and sends the actuator

to sleep mode

– long button press (> 2 s) confirms the chosen function

● yes: appears after confirming the function (except during factory reset)

● Go: indicates the confirmed function is starting

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Error codes

In case of an actuator malfunction or communication error with the Smart Thermostat, an

error code is shown on the display of the SSA911.01TH.

Error codes cannot be acknowledged on the SSA911.01TH. The error code is shown on the

display for as long as the error is active and will disappear once normal status has been

reached.

Error notifications are also sent to the Smart Thermostat and shown on the Smart

Thermostat display. E53 is at first only shown on SSA911.01TH and not immediately shown

on the Smart Thermostat. It will take some time to appear on the Smart Thermostat.

Code Error Cause Measures

Automatic

adaptation failed

● The actuator did not correctly adapt to the valve

or could not detect the end positions of the valve

● The actuator is not connected to a radiator valve

● Check the valve type and stroke

compatibility with the SSA911.01TH and

repeat the adaptation

● Check the mechanical valve connection,

adjust, and repeat the adaption

● Ensure that the valve is working correctly

and that the valve stem is not stuck and

repeat the adaptation

Mechanical valve

actuator error

● The movement of the actuator was too short to

detect the end positions of the valve

● Motor movement failure

● The actuator is not connected to a radiator valve

● The stroke and/or end positions of the valve are

not compatible with the SSA911.01TH

No controller found

– pairing failed

● No RDS110.R or RCR114.1 is available to

connect

● The Smart Thermostat is out of range

● RF chip failure

● Check and adjust the settings on Smart

Thermostat and re-start the pairing

process

● Decrease the distance between the

SSA911.01TH and the Smart Thermostat

and re-start the pairing process

Connection to

Smart Thermostat

lost

● The current connection to the Smart Thermostat

is not available anymore (RF chip failure)

● The paired RDS110.R or RCR114.1 is not

available anymore (e.g. loss of power)

● The Smart Thermostat is out of range

● Check the power supply and availability

of the Smart Thermostat

● Decrease the distance between the

SSA911.01TH and the Smart Thermostat

No new pairing process is required

to resolve E53. The SSA911.01TH

will automatically re-connect to the

Smart Thermostat once the

network is available again.

Siemens A6V11739247_en--_a

Smart Infrastructure 2020-10-08

aintenance

The SSA911.01TH is maintenance free.

The actuator and the Smart Thermostat will indicate when replacing the batteries is required

approximately 2 months before the batteries are completely empty and the actuator switches

off.

Replacing the batteries

To replace the batteries, the SSA911.01TH should remain mounted on the radiator valve

and the Smart Thermostat should remain on power and switched on. Replacing the batteries

does not require any tools. For optimal performance, the use of high performance alkaline

batteries is recommended.

1. Remove the batteries

– Open the white battery cover [1]

– Remove the metallic slider [2]

– Take the batteries out [3]

2. Insert new batteries - 2 x LR6 (Alkaline AA) [4]

3. Re-insert the metallic slider [5] and put the white battery cover back on [6]

a The actuator will automatically start a new calibration and after successful calibration will

automatically re-establish the connection to the Smart Thermostat

Unsuccessful pairing or calibration is indicated by an error code on the display (see Error

codes [➙ 9]).

Disposal

The device is considered an electronic device for disposal in accordance

with the European Guidelines and may not be disposed of as domestic

garbage.

● Dispose of the device through channels provided for this purpose.

● Comply with all local and currently applicable laws and regulations.

● Dispose of empty batteries in designated collection points.

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