Sorel SFWC Guide rapide

Fresh Water Controller

SFWC

Installation and instruction manual

Read carefully before installation, commissioning and operation

CONTENT

Safety Instructions 3

EU-Conformity 3

General instructions 3

Explanation of Symbols 3

Changes to the Unit 3

Warranty and Liability 4

Disposal and Pollutants 4

Specifications 4

Description SFWC 5

About the Controller 5

Scope of Supply 5

Hydraulic Variants 5

Installation 6

Wall Installation 6

Electrical Connection 6

Installing the Temperature Sensors 7

Temperature Resistance Table for Pt1000 Sensors 7

Electrical Terminals 7

Operation 8

Display and Input 8

Commissioning help 8

Calibration of Tap Support 8

1. Measurement values 9

2. Statistics 9

Operating hours 9

Heat quantity 9

Graphic overview 9

Notifications 9

Reset / Clear 9

3. Operating mode 10

Auto 10

Manual 10

Off 10

4. Settings 11

Tset 11

Tmax 11

Flow sensor 11

Circulation 11

Comfort 11

5. Protective Functions 12

Anti Legionella 12

Limescale Protection 12

Discharge protection 12

Seizing Protection 13

6. Special Functions 13

Pump settings / Signal V1 13

Type of pump/ Type of signal 13

Pump/ Profile 13

Output Signal 13

PWM / 0-10V off 13

PWM / 0-10V on 13

PWM / 0-10V max. 13

Show signal 13

Speed control 13

Max. Speed 14

Min. Speed 14

Relay functions for free relays 14

Circulation 14

Circulation mode of circulation 14

Circ. Tmin. 14

Circ. Hysteresis 14

Circ. max. Flow rate 14

Times 15

Tap support 15

Min. Storagetemp 15

Tap support calibration 15

Sensor Calibration 15

Commissioning 15

Factory Settings 15

Time & Date 15

Daylight saving time 15

Eco Display Mode 15

Temperature unit 15

7. Menu Lock 16

8. Service Values 16

9. Language 16

Malfunctions/Maintenance 17

Final Declaration 18

Safety Instructions

EU-Conformity

By affixing the CE mark to the unit the manufacturer declares that the SFWC conforms to the following relevant safety regulations:

lEU low voltage directive 2014/35/EU

lEU electromagnetic compatibility directive 2014/30/EU

conforms. Conformity has been verified and the corresponding documentation and the EU declaration of conformity are kept on file by

the manufacturer.

General instructions

Please read carefully!

These installation and operating instructions contain basic instructions and important information regarding safety, installation, com-

missioning, maintenance and the optimal use of the unit. Therefore these instructions must be read and understood completely by the

installation technician/specialist and by the system user before installation, commissioning and operation of the unit.

This unit is an automatic, electrical xxx. Install the unit only in dry areas and under the ambient conditions described in “Spe-

cifications”.

The valid accident prevention regulations, VDE regulations, the regulations of the local power utility, the applicable DIN-EN standards

and the installation and operating instruction of the additional system components must also be observed.

Under no circumstances does the unit replace any safety devices to be provided by the customer!

Installation, electrical connection, commissioning and maintenance of the device may only be carried out by an appropriately trained

specialist. Users: Make sure that the specialist gives you detailed information on the function and operation of the unit. Always keep

these instructions in the vicinity of the unit.

The manufacturer does not take over any liability for damage caused through improper usage or non-compliance of this manual!

Explanation of Symbols

Danger

Failure to observe these instructions can result in electrocution.

Danger

Failure to observe these instructions can result in serious damage to health such as scalding or life-threatening

injuries.

Caution

Failure to observe these instructions can result in destruction of the unit or the system, or environmental damage.

Caution

Information which is especially importation for the function and optimal use of the unit and the system.

Changes to the Unit

lChanges, additions to or conversion of the unit are not permitted without written permission from the manufacturer.

lIt is likewise forbidden to install additional components that have not been tested together with the unit.

lIf it becomes clear that safe operation of the unit is no longer possible, for example because of damage to the housing, turn the

Unit off immediately.

lAny parts of the unit or accessories that are not in perfect condition must be exchanged immediately.

lUse only original spare parts and accessories from the manufacturer.

lMarkings made on the unit at the factory must not be altered, removed or made illegible.

lOnly the settings described in these instructions may be set using the Unit.

Changes to the unit can compromise the safety and function of the unit or the entire system.

Warranty and Liability

The Unit has been manufactured and tested with regard to high quality and safety requirements. 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:

lFailure to observe these installation and operating instructions.

lImproper installation, commissioning, maintenance and operation.

lImproperly executed repairs.

lUnauthorised structural changes to the unit.

lUse of the device for other than its intended purpose.

lOperation above or below the limit values listed in the ‚Specifi cations‘ section.

lForce majeure.

Disposal and Pollutants

The unit conforms to the European RoHS 2011/65/EU for 2011/65/EUthe restriction of the use of certain hazardous substances in elec-

trical and electronic equipment.

Under no circumstances may the device be disposed of with the normal household waste. Dispose of the unit only at appro-

priate collection points or ship it back to the seller or manufacturer.

Specifications

Electrical specifications:

Power supply 230 VAC +/-10 %, 50...60 Hz

Power consumption / standby 0,5 W - 2,3 W/ 0,5/ X

Internal fuse 1 2 A slow 250V

Protection Class IP40

Protection Class II

Overvoltage category II

Degree of pollution category II

Inputs/Outputs

Sensor inputs 3 Pt1000 -40 °C ... 300 °C

Sensor inputs

Flow sensors

1 VTY Sensor 1...30 l/min | 1...60 l/min

VTY10

VTY20

1...30 l/min

1...60 l/min

495 pulse/l (brass)

119 pulse/l (brass or plastic)

Sensor inputs VFS 1

mechanical relay R1 460VA for AC1 / 460VA for AC3

0-10V/PWM output V1 for 10 k Ω working resistance 1 kHz, level 10 V

Max. cable length

mechanical relay < 10 m

Permissible Ambient Conditions

for controller operation 0 °C - 40 °C, max. 85 % rel. humidity at 25 °C

for transport/storage 0 °C - 60 °C, no moisture condensation permitted

Other Specifications and Dimensions

Housing Design 2-part, ABS plastic

Installation Methods Wall installation, optionally panel installation

Overall dimensions 115 mm x 86 mm x 45 mm

Aperture installation dimen-

sions

108 mm x 82 mm x 25,2 mm

Display Fully graphical display, 128 x 64 pixel

Real Time Clock RTC with 24 hour power reserve

Operation 4 entry keys

Description SFWC

About the Controller

The xxx SFWC facilitates efficient use and function control of your Fresh water system possible while its handling is intuitive. After

every input step the suitable functions are matched to the keys and explained in a text above. In the menu 'measurement values and

settings' are help text and graphics in addition to key words.

The SFWC can be used for the various system variants.

Important characteristics of the SFWC are:

lDepiction of graphics and texts using a lit display.

lSimple viewing of the current measurement values.

lStatistics and system monitoring by means of statistical graphics

lExtensive setting menus with explanations.

lMenu block can be activated to prevent unintentional setting changes.

lResetting to previously selected values or factory settings.

Scope of Supply

lFresh water controller

lSFWC Installation and operating instructions

Hydraulic Variants

The following illustrations should be regarded only as schematic representations of the respective hydraulic systems and do not claim to be complete. Under no cir-

cumstances should the controller replace any safety devices. Depending on the specific application, additional system and safety components such as check

valves, non-return valves, safety temperature limiters, scalding protectors, etc., may be required.

Basic scheme Additional function circulation

Installation

Wall Installation

1. Unscrew cover screw completely.

2. Carefully pull upper part of housing from lower part.

3. Set upper part of housing aside Do not touch the

electronics.

4. Hold the lower part of the housing up to the selec-

ted position and mark the two mounting holes.

Make sure that the wall surface is as even as pos-

sible so that the housing does not become distorted

when screwed on.

5. Using a drill and size 6 bit, drill three holes at the

points marked on the wall and push in the plugs.

Optionally the housing can be mount with 4 mount-

ing holes.

6. Insert the upper screw and screw it in slightly.

7. Fit the upper part of the housing and insert the other

two screws.

8. Align the housing and tighten the three screws.

If problems occur with the operation of the terminals, our video on our YouTube page can help you:

http://www.sorel.de/youtube

Electrical Connection

Before working on the unit, switch off the power supply and secure it against being switched on again! Check that there is no

power flowing! Electrical connections may only be made by a specialist and in compliance with the applicable regulations.

The unit may not be put into operation if there is visible damage to the housing, e.g. cracks.

The unit may not be accessible from behind.

Low-voltage cables such as temperature sensor cables must be routed separately from mains voltage cables. Feed tem-

perature sensor cables only into the left-hand side of the unit, and mains voltage cables only into the right-hand side.

The customer must provide an all-pole disconnecting device, e.g. an emergency heating switch.

The cables being connected to the unit must not be stripped by more than 55 mm, and the cable jacket must reach into the

housing just to the other side of the strain relief.

Installing the Temperature Sensors

The controller operates with Pt1000 temperature sensors which are accurate to 1 °C, ensuring optimal control of system functions.

If desired, the sensor cables can be extended to a maximum of 30 m using a cable with a cross-section of at least 0.75

mm². Ensure there is no contact resistance! Position the sensor precisely in the area to be measured! Only use immer-

sion, pipe-mounted or flat-mounted sensors suitable for the specific area of application with the appropriate permissible

temperature range.

Temperature Resistance Table for Pt1000 Sensors

°C -20 -10 0 10 20 30 40 50 60 70 80 90 100

Ω 922 961 1000 1039 1077 1116 1155 1194 1232 1270 1308 1347 1385

Electrical Terminals

Mains voltages

230 VAC 50 - 60 Hz

Low voltages

max. 24 VAC / DC

Terminal: Connection for:

L Network outer conductor L

N Network neutral conductor N

L' Outer conductor L' (internal fuse)

N Neutral conductor N

R1 Relays 1

N Neutral conductor N

The PE protective conductor is connected using the enclosed

3-pole connection terminal.

Terminal: Connection for:

V1 0-10 V / PWM signal primary pump

V1 GND

S1 Circulation (opt.)

S1 GND

S2 Storage sensor (optionally)

S2 GND

S3 Hot Water

S3 GND

The polarity of the Pt1000 sensors is freely selectable.

VTY

1= Signal input

2= GND

3= +12V

Relay assignment depends on the selected additional functions. The VTY sensor is plugged directly into the socket on the PCB in

the sensor terminal area.

*Bridge from sensor ground to PE protective conductor required (PELV connection).

Operation

Display and Input

Further symbols can be found in the special functions

Examples for key settings:

+/- Increase / decrease values

▼/▲ Scroll menu down / up

Yes/No agree / reject

About further information

Back to the previous display

Ok Confirm selection

Confirm Confirm setting

The display‘s (1), extensive text and graphical mode, enables

simple, almost self-explanatory, operation of the controller.

The function of the other 3 keys (4) is shown in the display right

above the keys. The right-hand key generally has a confirmation

and selection function.

The graphics mode appears if not key is pressed for 2 minutes or

after exiting the main menu with ‘esc’.

Hitting the "esc" key in the graphics mode takes you directly to the

main menu.

Commissioning help

1. Set language and time

2. Commissioning help / setup wizard

a) select or

b) skip.

The setup wizard guides through the necessary basic settings in the correct

order. Every parameter is explained on the display of the controller. Pressing the

„esc“ key takes you back to the previous setting.

b) With free commissioning the settings should be made in the following order:

lMenu 9. Language

lmenu 3. Operating hours

lmenu 4. Settings, all values

lmenu 5. Protection Functions (if any adjustments necessary).

lmenu 6. Special Functions (if any adjustments necessary).

3. In menu operating mode "3.2. Manual”, test the switch outputs with the con-

sumers connected and check the sensor values for plausibility. Then set to auto-

matic mode.See " Manual " on page 10

The setup wizard can be accessed in menu 6.5. at any time.

Consider the explanations for the individual parameters on the following pages and check if further settings are necessary

for your application.

Calibration of Tap Support

If the tap support is switched on in the circulation menu or in the commissioning assistant, a calibration is automatically started after the

commissioning help, which is repeated once a week (Sunday at 03:00 o' clock) if not tapped. If the weekly calibration is not completed

successfully after 10 minutes, it will be cancelled automatically and the controller continues to work with the "old" values. During com-

missioning, the calibration must not be interrupted.

Calibration procedure:

During the callibration process a text is shown that the flow rate is measured and no tapping is allowed. After confirmation the cir-

culation pump is switched off and the controller is waiting until the flow rate has dropped to 0 L/min. Afterwards only the circulation

pump is switched on and after another 60 seconds the flow rate is measured. The display shows a “Please wait” sign. After another

minute, the flow rate is measured again, and the two flow rates are compared. Then the controller waits another 60 seconds and then

compares the measured values. If the results are identical (+- 1L/min), the result is saved. This repeats itself until the values match or

the process is interrupted by the maximum runtime of 10 minutes.

1. Measurement values

Serve to display the current measured temperatures.

If ‚error‘ appears on the display instead of the measurement value,

there may be a defective or incorrect temperature sensor.

2. Statistics

Serve for function control and long-term monitoring of the system.

For time-dependent functions such as circulation and anti-legionella

and the evaluation of system data, it is essential that the time is accur-

ately set on the controller. Please note that the clock continues to run

for about 24 hours if the mains voltage is interrupted, and afterward

must be reset. Improper operation or an incorrect time may result in

data being cleared, recorded incorrectly or overwritten. The man-

ufacturer accepts no liability for the recorded data!

Operating hours

Display of the operating hours of the consumers connected to the controller (for example, solar pumps, valves etc.) whereby different

time ranges (day-years) are available!

Heat quantity

Display of the consumed heat quantity form the system in kWh.

This is an indicative value.

Graphic overview

This results in a clear illustration of the data as a bar graph. Different time ranges are available for comparison. You can page through

with the two left keys.

Notifications

Display of the last 20 errors in the system with indication of date and time.

Reset / Clear

Resetting and clearing the selected statistics. Selecting ‚all statistics‘ clears everything except the messages.

3. Operating mode

Auto

The automatic mode is the normal mode of the controller. A correct controller function under consideration of the current temperatures

and the set parameters is only present in automatic mode! After an interruption of the mains voltage, the controller automatically returns

to the last operating mode selected.

Manual

The individual relay outputs, v outputs and the connected consumers can be checked for proper functioning and correct assignment.

The operating mode ‚Manual‘ may only be used by specialists for brief function tests, e.g. during commissioning! Function in

manual mode: The relays and thus the connected consumers are switched on and off by pressing a key, with no regard to the

current temperatures and set parameters. At the same time, the current measurement values of temperature sensors are also

shown in the display for the purposes of function control.

Off

If the operating mode “off” is enabled, all control functions are turned off. The measured temperatures are displayed for the

overview.

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