Regulus SRS6 Manuale utente

REGULUS SRS6 EP Controller

ver. 1.2

Installation and Operating Instructions

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ULU

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Contents

Part A - Safety

A1 EC Declaration of Conformity 4

A2 General Information 4

A3 Explanation of Symbols 4

A4 Changes to the unit 5

Part B - Description

B 1 Technical data 6

B 2 Temperature sensors Pt1000 7

B 3 Description 7

B 4 Scope of supply 7

Part C - Installation

C 1 Electrical connection 8

C 2 Wall installation 9

C 3 Installing the temperature sensors 11

Part D Terminal connection

D 1 Terminal block wiring 12

D 2 Hydraulic variants / systems 13

Part E - Operation

E 1 Display and input 19

E 2 Commissioning help 20

E 3 Free commissioning 20

E 4 Menu sequence and menu structure 21

Menu settings

1 Measurement values 22

2 Statistics 23

3 Operating modes 24

4. Settings 25

5. Protective functions 28

6. Special functions 30

7. Menu lock 49

8. Service values 49

9. Language 49

Part Z - Malfunctions and maintenance

Z 1 Malfunctions with error messages 50

Z 2 Replacing the fuse 51

Z 3 Maintenance 52

Z 4 .Useful hints and tricks 53

Z 5 Disposal 53

Part J - Appendix

J Pump control - types 54

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This Instruction Manual applies to the following hardware version:

SRS6 EP

1 output mechanical relay, 230VAC (with changeover contacts)

2 output electronic relay with a standard pump speed control

2 PWM/0-10V output for low-energy pumps

6 inputs for Pt1000 temperature sensors

2 VFS ﬂowmeter direct sensor inputs

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Part A - Safety

A1 Declaration

The manufacturer declares that the SRS6 EP Solar Controller is marked with the CE mark

and conforms to the following relevant safety regulations:

- Directive 2006/95/EC = EC low voltage directive

- Directive 2004/108/EC - EC electromagnetic compatibility directive

A2 General Information

- please read carefully!

These installation and operating instructions contain basic instructions and important in-

formation 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 installing, commissioning

and operating the unit. The installation shall be done in compliance with valid standards and

rules. The controller does not under any circumstances replace any safety devices (e.g.

safety valve, air vent valve etc.) to be installed into a solar circuit! Installation of the unit may

only be carried out by a specialist who is trained on the required level.

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

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

ler.

Any changes to the controller or tampering with may pose a risk to safe operation of the

appliance and to the complete solar system.

A 3 - Explanation of Symbols

Failure to observe these instructions can result in danger to life from electric voltage.

Failure to observe these instructions can result in serious damage to health such as scalding, or

even life-threatening injuries.

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

to the environment.

Information especially important for the function and optimal use of the unit and the system.

Dan

Caution

Danger

Caution

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A 4 - Changes to the unit

• No interference to the controller is allowed except for when approved by the Manufacturer

in writing.

• It is forbidden to install any additional device into the controller that has not been tested

together with the controller.

• The controller shall not be used after an accident when its functions may have been af-

fected – e.g. after a ﬁre. The controller shall be switched off immediately.

• Use original spare parts only.

• Marking of the Manufacturer and Distributor shall not be altered or removed.

• All adjustments shall be done in compliance with this Guide.

Changes to the unit can compromise the safety and function of the unit or the en-

tire system.

Danger

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Part B - Description

B 1 - Speciﬁcation

Electric speciﬁcation:

Voltage 100 to 240 V ~

Mains frequency 50-60 Hz

Power consumption 0,5 - 2,5W

Internal fuse 2A slow blow, 250 V, type T2A

IP protection IP40

El. protection class II

Overvoltage category II

Pollution degree II

Ver. 4

Mechanical relay, 460VA (AC1), 460W /AC3) 1 (R3)

Electronic relay, min 5W, max.120W for AC3 2 (R1-R2)

0-10V output, 10% tolerance, 10kΩor PWM output, PWM, 1kHz, 10V 2

Pt1000 sensors, from -40 °C to +300 °C 6

VFS ﬂowmeter with temperature sensor, range from 0 °C do 100 °C, (-25 °C /120 °C

short term)

VFS ﬂowmeter - ﬂow rate range: 1 l/min - 12 l/min (VFS1-12)

2 l/min - 40 l/min (VFS2-40)

5 l/min - 100 l/min (VFS5-100)

10 l/min - 200 l/min (VFS10-200)

Network connections

CAN Bus

Permissible cable length of sensors and appliances:

Collector and outdoor sensor <30m

other Pt1000 sensors <10m

VFS/RPS ﬂowmeter <3m

CAN bus <3m

PWM / 0...10V <3m

Electronic relay <3m

Mechanical relay <10m

Clock backup period 24h

Permissible ambient conditions:

Ambient temperature

for controller operation 0-40 °C

for transport/storage 0-60 °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 3-part, ABS plastic

Installation methods wall installation, optionally panel installation

Overall dimensions 163 × 110 × 52 mm

Installation aperture dimensions 157 × 106 × 31 mm

Display fully graphic display, 128 × 128

LED multicolour

Operation 4 entry keys

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°C 0 102030405060708090100

Ω1000 1039 1077 1116 1155 1194 1232 1270 1308 1347 1385

B 2 - Temperature sensors:

B 3 - Description

SRS6 EP Controller is designed for automatic control of solar thermal systems. The SRS6 EP model is inten-

ded to control solar thermal systems with up to 2 independent solar arrays and one or two solar consumers.

The solar consumers can be a hot water storage tank, a heat exchanger for a swimming pool, and a thermal

store for heating. All hydraulic variants are described in Chapter 2.

- both graphics and texts on a backlit display

- simple viewing of the current measurement values

- exact solar heat measurement

- analysis and monitoring of the system also by means of statistical graphics

- extensive setting menus with explanations

- menu lock can be activated to prevent unintentional setting changes

- usual preset parameters in factory setting

- further measurement and switching applications using a temperature difference and a thermostat

function

B 4 - Scope of supply

- SRS6 EP Controller

- 3 screws 3.5 × 35 mm for wall installation

- 6 strain relief clips with 12 screws

- replacement fuse 1xT2A/250V

- 5 temperature sensors

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C 1 - Electrical wiring

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

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

and relay cables only into the right-hand side.

The controller is not equipped with a mains switch. For this purpose please use e.g. a circuit breaker.

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.

Controller and VFS sensor have to have the same ground potential. The VFS sensor uses a functional

earth connector (PELV). The PE-connector of the controller has to be connected to the pipe system

near the sensor.

Dan

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C 2 - Wall installation

Install the controller in dry areas only .

Installation instructions:

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 up to the select-

ed position and mark the 3 mounting holes.

Make sure that the wall surface is as even as possible

so that the housing does not become distorted when it

is screwed on.

5. Mark the position on the wall with a pencil. Using a

drill and size 6 bit, drill 3 holes at the points marked

on the wall and push in the plugs.

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.

Fig.C 2.1

Fig. C 2.2

ﬁxing points

ﬁxing points ﬁxing points

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Wiring instructions:

1. Make sure that the controller circuit breaker is off

and that the power supply is off.

2. Select the necessary hydraulic variant (Chapter

D.2. on page 13).

3. Open the controller.

4. Strip the cable by 55 mm max., insert and ﬁt the

cable strain relief. Strip the last 8-9 mm of all the

wires (Fig. C 2.3).

5. Open the terminals using a ﬂat screwdriver

(Fig. C 2.4) and wire the leads following the

diagram.

6. Reﬁt the upper housing part and fasten with screw.

7. Switch on mains voltage and place controller in

operation.

C.2.3.

C.2.4.

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