Thermo Solar SR14 Manuale utente

Read carefully before installation, commissioning and operation

Temperature Difference Controller

SR 14

Installation and operating instructions

applies to SR14 versions V1, V2, V3, V4

SR 14

Content

A.1. - EC declaration of conformity 4

A.2. - General instructions 4

A.3. - Explanation of symbols 4

A.4. - Changes to the unit 5

A.5. - Warranty and liability 5

B.1. - Speciﬁcations 6

B.2. - Temperature resistance table

for Pt1000 sensors 6

B.3. - About the controller 7

B.4. - Versions 7

B.5. - Scope of supply 8

B.6. - Disposal and pollutants 8

B.7. - Hydraulic variants 9

C.1 Wall installation 10

C.2 Electrical connection 11

C.3 Installing the temperature sensors 13

D Terminal connection diagrams 14

E.1 Display and Input 19

E.2 Parametrisation 20

E.3 Free commissioning 20

E.4 Menu sequence and menu structure 21

1. - Measurement values 22

2. - Statistics 23

2.1. - Operating hours 23

2.2. - Average temperature difference T 23

2.3. - Heat output 23

2.4. - Graphic overview 23

2.5. - Message log 23

2.6. - Reset / clear 23

3. - Display mode 24

3.1. - Schematic 24

3.2. - Overview 24

3.3. - Alternating 24

3.4. - Eco Mode 24

4. - Operating modes 25

4.1. - Automatic 25

4.2. - Manual 25

4.3. - Off 25

5. - Settings 26

6. - Protective functions 29

6.1. - Seizing protection 29

6.2. - Frost protection 29

6.3. - System protection 30

6.4. - Collector protection 30

6.5. - Col.- Alarm 30

6.6. - Recooling 31

6.7. - Anti-Legionella 32

7. - Special functions 33

7.1. - Program selections 33

7.2. - Signal V1 33

7.2.1. - Type of signal 34

7.2.2. - Proﬁle 34

7.2.3. - Output Signal 34

7.2.4. - PWM off 35

7.2.5. - PWM on 35

7.2.6. - PWM Max 35

7.2.4 - 0-10V off 35

7.2.5 - 0-10V on 35

7.2.6 - 0-10V Max 35

7.2.7. - Speed when „On“ 36

7.2.8. - Show signal 36

7.3. - Speed control 38

7.3.1. - Speed control mode 38

7.3.2. - Purging time 39

7.3.3. - Sweep time 39

7.3.4. - max. speed 39

7.3.5. - min. speed 39

7.3.6. - Setpoint 39

7.4. - Time and Date 40

7.5. - Sensor calibration 40

7.6. - Commissioning 40

7.7. - Factory settings 40

7.8. - Heat quantity 41

7.8.1. - Heat metering 41

7.8.2. - AF type 41

7.8.3. - Glycol portion 41

7.8.4. - Flow rate 41

7.8.5. - T Offset 41

7.9. - Starting aid 42

7.10. - Daylight saving time 42

8. - Menu lock 43

9. - Service values 44

10. - Language 44

Z.1 Malfunctions with error messages 45

Z.2 Replacing the fuse 46

Z.3. Maintenance 47

This manual applies to the following hardware versions:

SR14 Version 1

3 temperature sensor inputs

1 relay output 230AC (on/off)

SR14 Version 2

3 temperature sensor inputs

1 electronic relay output 230AC (for speed control of standard pumps)

SR14 Version 3

3 temperature sensor inputs

1 relay output 230AC (on/off)

1 PWM/0-10V output (for speed control of high efﬁciency pumps)

SR14 Version 4

3 temperature sensor inputs

1 electronic relay output 230AC (for speed control of standard pumps)

1 PWM/0-10V output (for speed control of high efﬁciency pumps)

When you are unsure which version you have, check the type label on the side

of the controller.

If the version is not readable here, open the controller’s “Service values” menu.

The version is shown in the ﬁrst line of the service values.

Safety instructions

Caution

Information which is especially important for the function and

optimal use of the unit and the system.

A.1. - EC declaration of conformity

By afﬁxing the CE mark to the unit the manufacturer declares that the SR14 conforms to the

following relevant safety regulations:

- EC low voltage directive 2006/95/EC

- EC electromagnetic compatibility directive 2004/108/EC

Conformity has been veriﬁed and the corresponding documentation and the EC declaration

of conformity are kept on ﬁle by the manufacturer.

Danger

A.2. - General instructions

These installation and operating instructions contain basic instructions and important

information regarding safety, installation, commissioning, maintenance and the optimal

use of the unit. Therefore these instructions must be read completely and understood

by the installation technician/specialist and by the system user before installation, com-

missioning and operation of the unit.

The valid accident prevention regulations, the regulations of the local power utility, the

applicable standards and the installation and operating instructions of the additional

system components must also be observed. The controller does not under any circum-

stances replace any safety devices to be provided by the customer!

Installation, electrical connection, commissioning and maintenance of the unit may

only be carried out by specialists with the appropriate qualiﬁcation.

For the user: Make sure that the specialist gives you detailed information on the func-

tion and operation of the controller. Always keep these instructions in the vicinity of the

controller.

A.3. - Explanation of symbols

Failure to observe these instructions can result in danger to life

from electric voltage.

Danger

Failure to observe these instructions can result in serious damage

to health such as scalding, or even life-threatening injuries.

Caution

Failure to observe these instructions can result in destruction of

the unit or the system, or damage to the environment.

It is essential that you read this!

A.4. - Changes to the unit

A.5. - Warranty and liability

The controller has been manufactured and tested with regard to high quality and

safety requirements. The unit is subject to the statutory guarantee period of two years

from the date of sale.

The warranty and liability shall not include, however, any injury to persons or material

damage that is attributable to one or more of the following causes:

- Failure to observe these installation and operating instructions

- Improper installation, commissioning, maintenance and operation

- Improperly executed repairs

- Unauthorised structural changes to the unit

- Installation of additional components that have not been tested together with

the unit

- Any damage resulting from continued use of the unit despite an

obvious defect

- Failure to use original spare parts and accessories

- Use of the device for other than its intended purpose

- Operation above or below the limit values listed in the

speciﬁcations

- Force majeure

- Changes, additions to or conversion of the unit are not permitted

without the written permission from the manufacturer

- It is likewise not permitted to install additional components that have not

been tested together with the unit

- If it becomes clear that safe operation of the unit is no longer possible,

for example because of damage to the housing, then turn the controller

off immediately

- Any parts of the unit or accessories that are not in perfect condition

must be exchanged immediately

- Use only original spare parts and accessories from the manufacturer

- Markings made on the unit at the factory must not be altered,

removed or made illegible

- Only the settings actually described in these instructions may be made

on the controller

Changes to the unit can compromise the safety and function of the

unit or the entire system.

Safety instructions

Danger

Description of controller

B.1. - Speciﬁcations

°C 0 102030405060708090100

1000 1039 1077 1116 1155 1194 1232 1270 1308 1347 1385

Mains voltage 230AC +/- 10%

Mains frequency 50 - 60Hz

Power consumption ~ 1.5VA

Internal fuse 2A slow blow 250V

Protection category IP40

Protection class II

Overvoltage Category II

Degree of Pollution Category II

Vers.1 Vers.2 Vers.3 Vers.4

mechanicalrelay460VAforAC1/460WforAC3 1-1-

electronicrelaymin.5W...max.120WforAC3 -1-1

0-10V output, tolerance 10%, 10 k load or

PWM output freq. 1 kHz, level 10 V

--11

PT1000sensorinputmeasuringrange-40°Cto300°C3333

Permissible cable length of sensors and appliances:

sensor S1 (e.g. collector sensor) <30m

sensors S2 and S3 (e.g. storage sensor) <10m

PWM / 0...10V <3m

electronic relay <3m

mechanichal relay <10m

Permissible ambient conditions:

Ambient temperature

- for controller operation 0°C...40°C

- for transport/storage 0°C...60°C

Air humidity

- for controller operation max. 85% rel. humidity at 25°C

- for transport/storage no moisture condensation permitted

Other speciﬁcations and dimensions

Housing design 2-part, ABS plastic

Installation methods Wall installation

Overall dimensions 115mm x 86mm x 45mm

Aperture installation

dimensions 108mm x 82mm x 25.2mm

Display Fully graphical display, 128 x 64 dots

Operation 4 entry keys

B.2. - Temperature resistance table for Pt1000 sensors

Description of controller

B.3. - About the controller

The Temperature Difference Controller SR14 facilitates efﬁcient use and function con-

trol of your solar or heating system. The device is impressive most of all for its func-

tionality and simple, self-explanatory operation. For each step in the input process the

individual entry keys are assigned to appropriate functions and explained. The control-

ler menu contains headwords for the measured values and settings, as well as help

texts or clearly-structured graphics.

The SR14 can be used as a temperature difference controller for the various system

variants illustrated and explained under B.5.

Important characteristics of the SR14:

- Depiction of graphics and texts in a lighted display

- Simple viewing of the current measurement values

- Analysis and monitoring of the system by means of statistical graphics,etc.

- Extensive setting menus with explanations

- Menu block can be activated to prevent unintentional changes of settings

- Resetting to factory settings

This manual applies to the following different hardware versions:

SR14 Version 1

3 temperature sensor inputs

1 relay output 230AC (on/off)

SR14 Version 2

3 temperature sensor inputs

1 electronic relay output 230AC (for speed control of standard pumps)

SR14 Version 3

3 temperature sensor inputs

1 relay output 230AC (on/off)

1 PWM/0-10V output (for speed control of high efﬁciency pumps)

SR14 Version 4

3 temperature sensor inputs

1 electronic relay output 230AC (for speed control of standard pumps)

1 PWM/0-10V output (for speed control of high efﬁciency pumps)

If the version is not readable here, open the controller’s “Service values” menu.

The version is shown in the ﬁrst line of the service values.

When you are unsure which

version you have, check the

type label on the side of the

controller.

B.4. - Versions

B.5. - Scope of supply

- Temperature Difference Controller SR14

- 2 Screws 3,5x35mm, 2 plugs S6 for wall installation

- 4 strain relief clips with 8 screws, replacement fuse 2A slow blow

- 1 connection clamp for PE terminal block.

- Installation and operating instructions SR14

Optionally contained depending on design/order:

- 2-3 Pt1000 temperature sensors and immersion sleeves

Additionally available:

- Pt1000 temperature sensors, immersion sleeves, overvoltage protection

B.6. - Disposal and pollutants

The unit conforms to the European RoHS directive 2002/95/EC for the restriction of

the use of certain hazardous substances in electrical and electronic equipment.

Caution

The unit must not under any circumstances be disposed of with ordinary

household refuse. Dispose of the unit only at appropriate collection

points or ship it back to the seller or manufacturer.

Description of controller

B.7. - Hydraulic variants

Description of controller

Caution

The following illustrations should be viewed only as schematic dia-

grams showing the respective hydraulic systems, and do not claim to

be complete. The controller does not replace safety devices under any

circumstances. Depending on the speciﬁc application, additional system

components and safety components may be mandatory, such as check

valves, non-return valves, safety temperature limiters, scalding protec-

tors, etc., and must therefore be provided.

1 2

3 4

5 6

Solar with

storage tank

Solar with Pool

Solid fuel boiler with storage

Raising of heat circuit Thermostat

T Universal 8Stop valve

Storage transfer

9Solar with heat

exchanger

and pool

C.1.1

Caution

C.1.2

C.1 Wall installation

Install the controller only in dry areas and under the ambient conditions de-

scribed under 2.1 “Speciﬁcations”. Carry out the following steps:

1.Unscrew cover screw completely

2.Carefully pull upper part of housing from

lower part.

3.Set upper part of housing aside, being

sure not to touch the electronics when

doing so.

4. Hold the lower part of the housing

(C.1.2) up to the selected position and

mark the 2 mounting holes. Make sure

that the wall surface is as even as pos-

sible so that the housing does not become

distorted when it is screwed on.

5. Using a drill and size 6 bit, drill 2 holes

at the points marked on the wall and push

in the plugs. Also possible is the installa-

tion with 4 drill holes.

6. Insert the upper screw and screw it in

slightly.

7. Fit the upper part of the housing and

insert the other screws.

8. Align the housing and tighten the

screws.

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