DE DIETRICH NEO 2.1 User Manual

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Flat solar panels

NEO 2.1 / SUN 211

Installation and Service Manual

Roof-integral Installation 17° to 65° mechanical tiles

300024195-001-02

Contents

1 Introduction ................................................................................................4

1.1 Symbols used .......................................................4

1.2 General ..................................................................5

1.2.1 Manufacturer’s liability .............................................5

1.2.2 Installer’s liability .....................................................5

1.2.3 User’s liability ..........................................................5

2 Safety instructions and recommendations ..............................................7

2.1 Safety instructions ...............................................7

2.2 Recommendations ................................................7

3 Technical description ................................................................................8

3.1 Operating principle ...............................................8

3.2 Technical specifications ......................................8

3.2.1 Solar collectors ........................................................8

3.2.2 Load loss curve .......................................................9

4 Installation ................................................................................................10

4.1 Regulations governing installation ...................10

4.2 Package list .........................................................11

4.3 Main dimensions .................................................14

4.4 Installation diagrams ..........................................15

4.4.1 Vertical assembly, juxtaposed ...............................15

4.4.2 Example of an installation .....................................16

4.5 Assembling the solar collectors .......................17

4.5.1 Warning .................................................................17

4.5.2 Tools required .......................................................18

4.5.3 Dimensions ...........................................................19

4.5.4 Clearance to allow for ...........................................20

4.5.5 Fitting the battens ..................................................21

4.5.6 Mounting for an installation with 2 collectors .........22

4.5.7 Mounting for a system with up to 5 collectors .......37

4.5.8 Mounting for an installation with 1 collector ..........55

4.5.9 Put the tiles in place ..............................................66

4.6 Hydraulic connections .......................................67

4.6.1 Connection dimensions .........................................67

4.6.2 Connecting ............................................................67

4.6.3 Pipe insulation .......................................................68

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Contents

4.7 Filling the system ...............................................68

5 Commissioning ........................................................................................70

5.1 Check points before commissioning ................70

5.2 Commissioning ...................................................70

6 Checking and maintenance .....................................................................71

6.1 General instructions ...........................................71

7 Spare parts ................................................................................................72

7.1 General ................................................................72

7.2 Spare parts ..........................................................72

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NEO 2.1 / SUN 211 1. Introduction

1 Introduction

1.1 Symbols used

In these instructions, various danger levels are employed to draw the user’s attention to particular information. In so doing, we wish to safeguard the user’s safety, obviate hazards and guarantee correct operation of the appliance.

DANGER

Risk of a dangerous situation causing serious physical injury.

WARNING

Risk of a dangerous situation causing slight physical injury.

CAUTION

Risk of material damage.

Signals important information.

¼Signals a referral to other instructions or other pages in the instructions.

Caution: Risk of being burnt.

Zone susceptible to snow.

Zone susceptible to windy conditions.

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1. Introduction

1.2 General

NEO 2.1 / SUN 211

1.2.1. Manufacturer’s liability

Our products are manufactured in compliance with the requirements of the various applicable European Directives. They are therefore

delivered with [ marking and all relevant documentation.

In the interest of customers, we are continuously endeavouring to make improvements in product quality. All the specifications stated in this document are therefore subject to change without notice.

Our liability as the manufacturer may not be invoked in the following cases:

4 Failure to abide by the instructions on using the appliance.

4 Faulty or insufficient maintenance of the appliance.

4 Failure to abide by the instructions on installing the appliance.

1.2.2. Installer’s liability

The installer is responsible for the installation and inital start up of the appliance. The installer must respect the following instructions:

4 Read and follow the instructions given in the manuals provided

with the appliance.

4 Carry out installation in compliance with the prevailing legislation

and standards.

4 Perform the initial start up and carry out any checks necessary.

4 Explain the installation to the user.

4 If a maintenance is necessary, warn the user of the obligation to

check the appliance and maintain it in good working order.

4 Give all the instruction manuals to the user.

1.2.3. User’s liability

To guarantee optimum operation of the appliance, the user must respect the following instructions:

4 Read and follow the instructions given in the manuals provided

with the appliance.

4 Call on qualified professionals to carry out installation and initial

start up.

4 Get your installer to explain your installation to you.

4 Have the required checks and services done.

4 Keep the instruction manuals in good condition close to the

appliance.

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NEO 2.1 / SUN 211 1. Introduction

This appliance is not intended to be used by persons (including children) whose physcial, sensory or mental capacity is impaired or persons with no experience or knowledge, unless they have the benefit, through the intermediary of a person responsible for their safety, of supervision or prior instructions regarding use of the appliance. Care should be taken to ensure that children do not play with the appliance.

To prevent hazardous situations from arising, if the mains lead is damaged it must be replaced by the original manufacturer, the manufacturer’s dealer or another suitably skilled person.

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2. Safety instructions and recommendations

2 Safety instructions and

recommendations

2.1 Safety instructions

DANGER

The permissible roof load of the building must not at any time be exceeded. If necessary, a structural engineer should be consulted before commencing work.

WARNING

Only a qualified professional may carry out the installation in conformity with in force legislation and standards.

NEO 2.1 / SUN 211

2.2 Recommendations

CAUTION

Do not neglect to service the appliance. Contact a qualified professional or take out a maintenance contract for the annual servicing of the appliance.

WARNING

4 Any operation on the installation must be performed

by a qualified technician respecting professional regulations and in accordance with this document.

4 When making the connections, it is imperative that

the standards and corresponding local directives are respected.

4 The flat solar panels and fittings should be handled carefully during

transportation and storage. If the packing has nevertheless been damaged during transit, the damage must be reported immediately to and claimed against the carrier.

4 The contents of the assembly kit must be checked before

installation against the list which accompnaies each kit.

4 When installing the panels, take note of the safety instructions in

this document.

4 The packing material should be properly disposed of after

installation.

4 Insulate the pipes in rooms that are not heated (cellars and lofts).

4 Check regularly that the installation contains water and is

pressurised.

4 Service the appliance regularly to ensure that it operates correctly.

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NEO 2.1 / SUN 211 3. Technical description

3 Technical description

3.1 Operating principle

The short-wave solar radiation (sunlight) striking the solar panel is converted into heat by the selective coating on the absorber. From there it is transferred by heat conduction to the absorber pipe and carried by the heat-transporting fluid to the calorifier. The solar-panel fluid heats the calorifier by means of the energy absorbed from the sun and cools down itself in the process. The cooled heat-transporting fluid then flows back to the solar panel in order to collect more solar energy. An intelligent control system ensures that the circulation system is only active when there is sufficient solar radiation, thus optimising the collection of solar energy.

3.2 Technical specifications

3.2.1. Solar collectors

Length mm 1960

Width mm 1060

Height mm 70

Weight kg 34,45

Gross collector area A

Inlet surface Aa

Absorber surface A

Water content litres 1,2

Maximum operating pressure bar 10

Testing pressure bar 15

Optical efficiency η

Loss rating a

Stagnation temperature °C 180

Hydraulic connections mm 12

Pressure drop mbar See below

Fitted tilt angle minimum/maximum

W/m2.K

° 17 to 65

2,1

1,88

1,90

0,773

3,676

0,0143

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100

150

200

250

300

350

400

0 50 100 150 200 250 300

M002031-A

3. Technical description NEO 2.1 / SUN 211

3.2.2. Load loss curve

A Z

Pressure drop (mbar)

Mass flow (Kg/h)

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M001788-A

M002132-A

NEO 2.1 / SUN 211

4 Installation

4.1 Regulations governing installation

CAUTION

The installation must be equipped with a protective plastic film (roof underlay film).

CAUTION

4 The installation must comply in all matters to the

4 The installation and maintenance of the appliance

4 Before installation, make sure that the framework is

4 Solar installations must be earthed to protect them

4 Protection of the environment: Place a container of

4 The roof mounting pack makes it possible to install

4. Installation

standards and rules which govern the work and interventions in individual and collective homes, and other constructions.

must be carried out by a qualified professional in compliance with the statutory texts of the codes of conduct in force.

solid and strong enough to comply with the static requirements.

against lightning.

sufficient volume under the drain pipe and the valve discharge pipe.

the solar collectors on roofs with structures presenting a minimum incline of 17°.

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4 The roof-integral installation set is designed specifically as a

mounting system for the NEO 2.1 flat solar panels and may only be used in accordance with their building regulations approval.

4 The mounting kit is designed for roof coverings in standard

mechanical roman roof tiles for the South of France.

4 The water drainage channels on the membrane should run into

the eaves (roof gutter).

4 The installation should therefore not be flushed or filled when the

collectors are hot (in strong sunshine).

4 The solar system must at all times be filled with heat transporting

fluid.

M001801-B

ER45 ER193

(5x)

(2x)

M001802-B

ER194 ER195

(10x)

(4x)

(5x)

(2x)

4. Installation NEO 2.1 / SUN 211

4.2 Package list

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M002133-C

ER190 ER191

(7x)

(10x)

(12x)

(2x)

(1x)

(2x)

(20x)

(12x)

(1x)

M002134-C

ER192

(1x)

(2x)

(1x)

(2x)

(1x)

ER236

C003463-C

NEO 2.1 / SUN 211 4. Installation

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ER235

C003478-D

M001805-A

ER67 ER68

4. Installation NEO 2.1 / SUN 211

Pack no. Article no. Description Packages needed to construct the installation depending

on the number of solar collectors

1 2 3 4 5

ER 45 100013471 Solar collector 1 2 3 4 5

ER 193 100017965 Mounting kit 1 panel 1

ER 194 100017966 Mounting kit for 2 collectors

ER 195 100017967 Mounting kit for extension

ER 190 100015204 Sheet metal plate kit for 1 collector 1

ER 191 100015205 Sheet metal plate kit for 2 collectors

ER 192 100015206 Sheet metal plate kit for extension

ER 235 100017997 Waterproofing kit for integration of 1

collectors

ER 236 100017998 Waterproofing kit for integration of 2

collectors

ER 67 100013503 Hydraulic connection kit 1 1 1 1 1

ER 68 100013504 Hydraulic connection kit: Bridge 180°

DN12 230 mm

1 1 1 1

1 2 3

1 1 1 1

1 2 3

1 2 3 4

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M001740-A

1060

113,5 113,5

175,5

371960

1 2 31

NEO 2.1 / SUN 211 4. Installation

4.3 Main dimensions

A Z E

Solar collector inlet

Solar collector outlet

Solar sensor probe

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M001754-B

M001775-B

4. Installation NEO 2.1 / SUN 211

4.4 Installation diagrams

It is permitted to assemble a maximum of 5 interlinked collectors.

4.4.1. Vertical assembly, juxtaposed

4 Connection for 1 to 5 collectors.

CAUTION

Place the collector sensor on the flow side of the solar circuit (flow from the hottest collector).

A: Solar sensor probe.

CAUTION

Recommended mounting: Sensor A located at the top of the collector.

CAUTION

If sensor A is located at the bottom of the collector, it is necessary to use a batten from your delivery of a max.

height of 45 mm (¼ "Dimensions", page 19).

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M001806-C

109

130

230V 50Hz

114

61 61

114

NEO 2.1 / SUN 211 4. Installation

4.4.2. Example of an installation

109

112a

112b

114

126

129

130

131

Pressure gauge

Drain cock

Domestic hot water outlet

Thermometer

Stop valve with releasable non-return valve

Primary solar circuit pump

6-bar calibrated safety valve (primary solar)

Expansion vessel

Heat transfer fluid container

Domestic hot water thermostatic mixing valve

Solar sensor probe

Domestic hot water sensor

Solar circuit drainage valve

Solar regulator

Duo-Tube

Manual bleed degasser

Flat or tubular solar panel

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M001748-A

4. Installation NEO 2.1 / SUN 211

4.5 Assembling the solar collectors

4.5.1. Warning

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M001719-B

10 10

NEO 2.1 / SUN 211 4. Installation

4.5.2. Tools required

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M002135-D

4 4 4 4

370

430

1980

2410

400 66066016580

17-65°

550

4. Installation NEO 2.1 / SUN 211

4.5.3. Dimensions

A Z E R T

Number of panels 1 2 3 4 5

Size A 1147 2210 3273 4336 5400

Existing batten

Starting batten to be laid, not provided (Width: 45 mm)

Fastening batten to be fitted supplied

Fixing lugs to be put in place on the starting batten

Protective tarpaulin

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M002136-B

>3700

NEO 2.1 / SUN 211 4. Installation

CAUTION

4 Make sure that the roof liner sheet has been

fitted. If not, fit the protective plastic sheet.

4 Battens Z, E and R must be of the same thickness

as the existing battens.

4 Respect the dimension of 550 mm. If necessary, add

an extra batten.

4.5.4. Clearance to allow for

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Number of panels 1 2 3 4 5

Size A 1920 2980 4040 5100 6160

M002137-C

370

1980

430

550

4. Installation NEO 2.1 / SUN 211

4.5.5. Fitting the battens

Secure the battens using the screws provided.

CAUTION

Respect the dimension of 550 mm. If necessary, add an extra batten.

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C003456-F

660

400

200

mini

660

1 2

165

NEO 2.1 / SUN 211

4.5.6. Mounting for an installation with 2 collectors

Positioning the solar collectors

4. Installation

1. Screw the lower fastening lugs onto the bottom batten.

2. Position the collectors. The fastening lugs must be fitted into the

holding groove.

3. Postion the upper fastening lugs in the holding groove on the

collectors and screw them onto the batten.

The solar panels should only be installed shortly before the solarheating system is to be commissioned. This will minimise the time that the solar panels are exposed to heat while not filled with heattransporting fluid.

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C003457-A

4. Installation

Fitting the intermediary seals and clips

NEO 2.1 / SUN 211

1. Clean the support surface.Fit the seal, without the clamp, into the

groove along the entire height of the 2 collectors.

2. Clean the surface before fitting the flat seal to it. Glue the

intermediary flat seal to the 2 collectors.

3. Fit the intermediary clips using the mallet, aligning them with the

bottom of the collectors.

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C003458-C

NEO 2.1 / SUN 211 4. Installation

Assembling and securing the 2 collectors

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1. Slide the second solar panel up to the first. The collectors must be

fitted perfectly edge to edge.

2. Secure the collectors.

C003459-B

4. Installation

Fitting the upper seals and clips

NEO 2.1 / SUN 211

1. Clean the support surface. Fit the seal, without the clamp, into the

upper groove on the 2 collectors.

2. Clean the surface before fitting the flat seal to it. Glue the flat seal

along the entire width of the 2 collectors.

3. Fit the upper clips using the mallet.

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C003460-E

NEO 2.1 / SUN 211

Waterproofing the connection between the 2

collectors (upper)

4. Installation

1. Clean the support surface. Glue the BUTYL strip to the

intermediary clips, leaving 3 mm clearance.

2. Leave the BUTYL strip loose at the end of the intermediate clips.

3. Squeeze silicone on to the joints between the mounting

components.

4. Remove the protective film from the self-adhesive foam.

5. Glue the self-adhesive foam to the covering plate.

6. Cover the upper part of the covering plate with silicone.

7. Fit the covering plate, secure it and spread a veil of silicone over

it.

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C003462-C

4. Installation NEO 2.1 / SUN 211

Fitting the foam seal

1. Clean the surface to which the foam seal is to be fitted.

2. Glue the foam seal to the top of the upper clip.

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M002140-C

C + D

NEO 2.1 / SUN 211

Connecting the solar collectors

4. Installation

CAUTION

Install the temperature sensor in the sensor tube on the solar collector, at the flow end of the bank of collectors. The transfer of heat between the sensor socket and the temperature sensor can be improved by the use of heatconducting paste on the temperature sensor.

1. Fit the collector/tank connections. Tighten the clamping ring screw

connections correctly.

2. Fit the temperature sensor. Push the temperature sensor through

the gasket.

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M002320-A

4. Installation NEO 2.1 / SUN 211

Passing Pipes and Cable through the Roof

Scenario with two overlapping sheets of film under the roof

Scenario with a single sheet of film under the roof

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C003461-F

NEO 2.1 / SUN 211 4. Installation

Fitting the lower flat seal

Fit the flat seal along the lower part of the 2 collectors

1. Clean the surface before fitting the flat seal to it. Glue the flat seal.

Remove the self-adhesive tape at the top of the flat seal.

2. Cut the flat seal to the correct length.

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M002141-F

A-A

4. Installation

Mounting the lower roofing plates

NEO 2.1 / SUN 211

CAUTION

4 If the collectors are mounted with the flow and return

connections at the bottom, reposition and tighten the fittings before putting the lower roofing plate in place.

4 Check that the rigid flap is flush against the ridge

tiles. The lead flap should be moulded to the shape of the tiles in order to allow as little daylight as possible between tiles and flap along the entire length.

1. Position the lower right roofing plate.

2. Position the lower left roofing plate.

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C003923-C

NEO 2.1 / SUN 211

4. Installation

3. Put the lower right roofing plate in place. Put the lower right clip in

place.

4. Put the lower left roofing plate in place. Put the lower left clip in

place.

Waterproofing the connection between the 2

collectors (lower)

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1. Leave the BUTYL strip loose at the end of the intermediate clips.

Squeeze silicone on to the joints between the mounting components.

2. Coat the inside of the central junction section with silicone.

3. Put the central junction section in place.

4. Coat the sections with silicone.

M002142-F

4. Installation

NEO 2.1 / SUN 211

5. Fold the BUTYL strip back on to the junction section.

6. Secure the junction section.

Mounting the side roofing plates

1. Put the left side flaps A and B in place.

- Flap A should be placed as far over flap B as it can go to cover it.

- Flaps A and B should be correctly aligned.

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NEO 2.1 / SUN 211 4. Installation

2. Place the assembly of A + B on the lower flap.

- Flap A should be flush with the top of the collector.

- Flap B should be aligned with the bottom of the lower sheet metal plate.

3. Fit the side clip C.

4. Put the right side flaps D and E in place.

5. Place the assembly of D + E on the lower flap.

- Flap D should be flush with the top of the collector.

- Flap E should be aligned with the bottom of the lower sheet metal plate.

6. Fit the side clip F.

7. Put the upper junction part in place.

8. Put the lower junction part in place.

9. Put the screw in place.

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M002143-D

4. Installation

Mounting the upper roofing plates

NEO 2.1 / SUN 211

CAUTION

If the collectors are mounted with the flow and return

1. Hook the right roofing plate on to the upper clip. Fold the assembly

over downwards while pulling the part upwards.

connections at the top, reposition and tighten the fittings before putting the upper roofing plate in place.

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M002144-C

1 1 2 3

NEO 2.1 / SUN 211

4. Installation

2. Hook the left roofing plate on to the upper clip. Fold the assembly

over downwards while pulling the part upwards.

Check that the lugs on the side flaps are slotted into the part on top of the roofing units.

3. Insert the screws.

Fitting the fastening lugs and the tile rests

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1. Secure the side flaps and the top flaps with the sheet metal plates

2. Position the left tile rest on the upper flap 10 cm from the top.

Fit the flap to one of the battens using straps. Cut the battens added to the original battening level with the side flaps.

M002149-D

(7x)

4. Installation NEO 2.1 / SUN 211

3. Position the right tile rest on the upper flap 10 cm from the top.

Fit the flap to one of the battens using straps. Cut the battens added to the original battening level with the side flaps.

Putting the foam in place

1. Remove the self-adhesive strip.

Clean the outside edge of the side lugs. Glue the foam strips along the entire length of the kit without leaving any space (from the lead lug to the top).

2. Glue the foam to the edge of the side and top roofing plates. If

need be, adjust to the correct length with a Stanley knife. Check the corners of the lead flaps. The overhanging lead should be turned over upwards with a downward roof gradient along the width and length fitted under the tiles.

4.5.7. Mounting for a system with up to 5 collectors

CAUTION

It is permitted to assemble a maximum of 5 interlinked collectors.

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C003456-F

660

400

200

mini

660

1 2

165

NEO 2.1 / SUN 211

Positioning the solar collectors

4. Installation

1. Screw the lower fastening lugs onto the bottom batten.

2. Position the collectors. The fastening lugs must be fitted into the

holding groove.

3. Postion the upper fastening lugs in the holding groove on the

collectors and screw them onto the batten.

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C003467-B

1 2

4. Installation

Fitting the intermediary seals and clips

NEO 2.1 / SUN 211

1. Clean the support surface. Fit the seal, without the clamp, into the

groove along the entire height of the 2 collectors.

2. Clean the surface before fitting the flat seal to it. Glue the

intermediary flat seal to the 2 collectors.

3. Fit the intermediary clips using the mallet, aligning them with the

bottom of the collectors.

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C003468-C

NEO 2.1 / SUN 211 4. Installation

Assembling and securing the 3 collectors

1. Slide the second solar panel up to the first. The collectors must be

fitted perfectly edge to edge.

2. Secure the collectors.

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C003469-A

4. Installation

Fitting the upper seals and clips

NEO 2.1 / SUN 211

1. Clean the support surface. Fit the seal, without the clamp, into the

upper groove on the 2 collectors.

2. Clean the surface before fitting the flat seal to it. Glue the flat seal

along the entire width of the 2 collectors.

3. Fit the upper clips using the mallet.

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C003470-B

NEO 2.1 / SUN 211

Waterproofing the connection between the 3

collectors (upper)

4. Installation

1. Clean the support surface. Glue the BUTYL strip to the

intermediary clips, leaving 3 mm clearance.

2. Leave the BUTYL strip loose at the end of the intermediate clips.

3. Squeeze silicone on to the joints between the mounting

components.

4. Remove the protective film from the self-adhesive foam.

5. Glue the self-adhesive foam to the covering plate.

6. Cover the upper part of the covering plate with silicone.

7. Fit the covering plate, secure it and spread a veil of silicone over

it.

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C003472-C

4. Installation NEO 2.1 / SUN 211

Fitting the foam seal

1. Clean the support surface.

2. Glue the foam seal to the top of the upper clip.

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M002307-D

C + D

NEO 2.1 / SUN 211

Connecting the solar collectors

4. Installation

CAUTION

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1. Fit the collector/tank connections. Tighten the clamping ring screw

connections correctly.

2. Fit the temperature sensor. Push the temperature sensor through

the gasket.

M002320-A

4. Installation NEO 2.1 / SUN 211

Passing Pipes and Cable through the Roof

Scenario with two overlapping sheets of film under the roof

Scenario with a single sheet of film under the roof

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C003471-F

NEO 2.1 / SUN 211 4. Installation

Fitting the lower flat seal

Fit the flat seal along the lower part of the 3 collectors

1. Clean the surface before fitting the flat seal to it. Glue the flat seal.

Remove the self-adhesive tape at the top of the flat seal.

2. Cut the flat seal to the correct length.

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M002308-F

5 6

A-A

4. Installation NEO 2.1 / SUN 211

Mounting the lower roofing plates

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NEO 2.1 / SUN 211 4. Installation

CAUTION

4 If the collectors are mounted with the flow and return

connections at the bottom, reposition and tighten the fittings before putting the lower roofing plate in place.

4 Check that the rigid flap is flush against the ridge

tiles. The lead flap should be moulded to the shape of the tiles in order to allow as little daylight as possible between tiles and flap along the entire length.

1. Position the lower right roofing plate.

2. Position the lower central roofing plate.

3. Position the lower left roofing plate.

4. Put the lower right roofing plate in place. Put the lower right clip in

place.

5. Put the lower central roofing plate in place. Put the lower central

clip in place.

6. Put the lower left roofing plate in place. Put the lower left clip in

place.

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C003924-B

4. Installation

Waterproofing the connection between the 3

collectors (lower)

NEO 2.1 / SUN 211

1. Leave the BUTYL strip loose at the end of the intermediate clips.

Squeeze silicone on to the joints between the mounting components.

2. Coat the inside of the central junction section with silicone.

3. Put the central junction section in place.

4. Coat the sections with silicone.

5. Fold the BUTYL strip back on to the junction section.

6. Secure the junction section.

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M002309-G

NEO 2.1 / SUN 211

Mounting the side roofing plates

4. Installation

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1. Put the left side flaps A and B in place.

- Flap A should be placed as far over flap B as it can go to cover it.

- Flaps A and B should be correctly aligned.

4. Installation NEO 2.1 / SUN 211

2. Place the assembly of A + B on the lower flap.

- Flap A should be flush with the top of the collector.

- Flap B should be aligned with the bottom of the lower sheet metal plate.

3. Fit the side clip C.

4. Put the right side flaps D and E in place.

- Flap D should be placed as far over flap E as it can go to cover it.

- Flaps D and E should be correctly aligned.

5. Place the assembly of D + E on the lower flap.

- Flap D should be flush with the top of the collector.

- Flap E should be aligned with the bottom of the lower sheet metal plate.

6. Fit the side clip F.

7. Put the upper junction parts in place.

8. Put the lower junction parts in place.

9. Insert the screws.

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M002310-D

NEO 2.1 / SUN 211

Mounting the upper roofing plates

4. Installation

CAUTION

If the collectors are mounted with the flow and return connections at the top, reposition and tighten the fittings before putting the upper roofing plate in place.

1. Hook the right roofing plate on to the upper clip. Fold the assembly

over downwards while pulling the part upwards.

2. Hook the central roofing plate on to the upper clip. Fold the

assembly over downwards while pulling the part upwards.

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M002311-C

1 1 2 3 4

2 3 4

4. Installation

NEO 2.1 / SUN 211

3. Hook the left roofing plate on to the upper clip. Fold the assembly

over downwards while pulling the part upwards.

Check that the lugs on the side flaps are slotted into the part on top of the roofing units.

4. Insert the screws.

Fitting the fastening lugs and the tile rests

1. Secure the side flaps and the top flaps with the sheet metal plates

2. Position the left tile rest on the upper flap 10 cm from the top.

Fit the flap to one of the battens using straps. Cut the battens added to the original battening level with the side flaps.

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M002312-E

(8x)

NEO 2.1 / SUN 211

4. Installation

3. Position the central tile rest on the upper flap 10 cm from the

top. Fit the flap to one of the battens using straps. Cut the battens added to the original battening level with the side flaps.

4. Position the right tile rest on the upper flap 10 cm from the top.

Fit the flap to one of the battens using straps. Cut the battens added to the original battening level with the side flaps.

Putting the foam in place

1. Remove the self-adhesive strip.

Clean the outside edge of the side lugs. Glue the foam strips along the entire length of the kit without leaving any space (from the lead lug to the top).

2. Glue the foam to the edge of the side and top roofing plates. If

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660

M002313-H

165

1 2

4. Installation

NEO 2.1 / SUN 211

4.5.8. Mounting for an installation with 1 collector

Installing the solar collector

1. Screw the lower fastening lugs onto the bottom batten.

2. Fit the collector. The fastening lugs must be fitted into the holding

groove.

3. Postion the upper fastening lugs in the holding groove on the

collectors and screw them onto the batten.

Respect the dimension of 245 mm from the tiled area when fitting the fastening lugs and 80 mm from the edge of the tiles to the collector to avoid having to cut tiles along one edge.

The solar collector must be mounted shortly before commissioning the solar system. This minimises the time during which the collector is heated pointlessly, without heat transporting fluid.

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C003464-B

NEO 2.1 / SUN 211

Fitting the seal and the upper clip

4. Installation

1. Clean the surface before fitting the flat seal to it. Glue the flat seal.

2. Fit the upper clip using the mallet.

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M002314-D

B + C

4. Installation

Connecting the solar collector

NEO 2.1 / SUN 211

CAUTION

Install the temperature sensor in the sensor tube on the solar collector. The transfer of heat between the sensor socket and the temperature sensor can be improved by the use of heatconducting paste on the temperature sensor.

1. Fit the collector/tank connections. Tighten the clamping ring screw

connections correctly.

2. Fit the temperature sensor. Push the temperature sensor through

the gasket.

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M002320-A

NEO 2.1 / SUN 211 4. Installation

Passing Pipes and Cable through the Roof

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Scenario with two overlapping sheets of film under the roof

Scenario with a single sheet of film under the roof

C003473-E

4. Installation NEO 2.1 / SUN 211

Fitting the lower flat seal

Put the flat seal in place along the entire lower length of the collector

1. Clean the surface before fitting the flat seal to it. Glue the flat seal.

Remove the self-adhesive tape at the top of the flat seal

2. Cut the flat seal to the correct length.

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M002315-E

A-A

NEO 2.1 / SUN 211

Fitting the lower roofing plate

4. Installation

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CAUTION

4 If the collector is mounted with the flow and return

connections at the bottom, reposition and tighten the joints before fitting the lower roofing plate.

4 Check that the rigid flap is flush against the ridge

tiles. The lead flap should be moulded to the shape of the tiles in order to allow as little daylight as possible between tiles and flap along the entire length.

1. Position the lower plate.

2. Put the lower sheet metal plate in place.

3. Fit the lower clip.

M002316-G

4. Installation

Mounting the side roofing plates

NEO 2.1 / SUN 211

1. Put the left side flaps A and B in place.

- Flap A should be placed as far over flap B as it can go to cover it.

- Flaps A and B should be correctly aligned.

2. Place the assembly of A + B on the lower flap.

- Flap A should be flush with the top of the collector.

- Flap B should be aligned with the bottom of the lower sheet metal plate.

3. Fit the side clip C.

4. Put the right side flaps D and E in place.

- Flap D should be placed as far over flap E as it can go to cover it.

- Flaps D and E should be correctly aligned.

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C003465-C

NEO 2.1 / SUN 211 4. Installation

5. Place the assembly of D + E on the lower flap.

- Flap D should be flush with the top of the collector.

- Flap E should be aligned with the bottom of the lower sheet metal plate.

6. Fit the side clip F.

Fitting the foam seal

1. Clean the support surface.

2. Glue the foam seal to the top of the upper clip.

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M002317-E

4. Installation

Mounting the upper roofing plate

NEO 2.1 / SUN 211

CAUTION

If the collector is mounted with the flow and return connections to the bottom, reposition and tighten the fittings before positioning the upper roofing plate.

1. Hook the roofing plate into the upper clip. Fold the assembly over

downwards while pulling the part upwards.

2. Check that the lugs on the side flaps are slotted into the part on

top of the roofing units.

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M002318-C

1 1 2

NEO 2.1 / SUN 211

Fitting the fastening lugs and the tile rests

4. Installation

1. Secure the side flaps and the top flaps with the sheet metal plates

2. Fit the tile rest to the top flap 10 cm from the top.

Fit the flap to one of the battens using straps. Cut the battens added to the original battening level with the side flaps.

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M002319-E

(7x)

4. Installation NEO 2.1 / SUN 211

Putting the foam in place

1. Remove the self-adhesive strip.

Clean the outside edge of the side lugs. Glue the foam strips along the entire length of the kit without leaving any space (from the lead lug to the top).

2. Glue the foam to the edge of the side and top roofing plates. If

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M002146-D

NEO 2.1 / SUN 211 4. Installation

4.5.9. Put the tiles in place

A Z E

Ridge or bevelled tile

Roof tile to be cut according to position

Roof tile cut to approximately 260 mm

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1 2 3

M001755-A

M001756-A

4. Installation

4.6 Hydraulic connections

NEO 2.1 / SUN 211

4.6.1. Connection dimensions

Number of panels Size

2 14-15 40 m

3 14-15 40 m

4 16-18 40 m

5 16-18 40 m

Maximum length

(mm)

(Outlet + Return)

To be able to have pipework without degassers or bleed valves at high points, the solar fluid flow rate must not fall below 0,4 m/s during the degassing procedure. The pipes must be as short as possible and always sloping downwards between the collectors and the connection to the solar calorifier. If the installation criteria for good degassing cannot be met, a manual bleed degasser R must always be installed at the high point(s) of the solar equipment.

A Z E R

Ideal

Incorrect (high point with no air vent)

Correct (high point with air vent)

Location of manual bleed valve degasser

4.6.2. Connecting

CAUTION

Soft soldering are not authorized. The use of flux promotes corrosion conditions in systems operating with propylene glycol as heat transfer fluid. In all cases the inside of the pipes must be flushed.

4 Use of a hacksaw is prohibited.

4 Pipe connections by compression unions.

4 Hard soldering: Hard soldering: hard soldering filler metal without

flux in accordance with DIN EN 1044, e.g. L-Ag2P or L-CuP6.

4 Pipe unions: can only be used if they are resistant to glycol,

pressure (6 bar) depending on version) and temperature (-30 °C, 180 °C) (manufacturer’s data).

4 Sealing material: Hemp.

4 Press fitting (6 bar, 140 °C).

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M001704-A

NEO 2.1 / SUN 211

4. Installation

4.6.3. Pipe insulation

CAUTION

To protect the insulation against mechanical damage, bird pecking and UV light, add extra protection for the heat insulation sleeves in the roof area by using an aluminium sheet sleeve or aluminium adhesive tape. This additional protection must be sealed with silicone.

4 If different copper pipes are used, the insulation must be:

- Resistant to constant temperatures up to 150 °C in the collector zone and the hot outlet and also down to - 30 °C.

- Insulation preferably waterproof and continuous.

- with a thickness equal to the tube diameter and with a K

coefficient of 0.04 W/mK.

50 % reduction of the insulation is permitted when passing through the roof and walls.

4.7 Filling the system

4 Recommended materials for temperatures up to 150 °C:

- Duo-Tube

- DuoFlex

- Armaflex HT

- mineral wool

- glass fibre

CAUTION

4 Do not fill / rinse a hot solar collector. Risk of being

burnt.

4 Before the filling of the installation, to check the

preload of the expansion vessel according to the static height (Preload = static Height/10 + 0.3 bar).

4 check the connection to the series of collectors and

the collector sensor connection.

4 Since propylene glycol leaks much more easily than

water, check all connections and gaskets for leaks after a few hours of operation at working pressure.

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Following installation of the solar panels and hydraulic connection of the panels and piping, the system can undergo pressure tests and be filled. When doing so, the thermal conditions and the particular features of the installation must be taken into account. For that reason, the system may only be filled, commissioned and maintained by a suitably authorised technician. Bring the pressure in the primary solar circuit up to the 2 bar working pressure by topping up if necessary with heat transfer fluid.

M001774-B

130

230V 50Hz

114

61 61

4. Installation NEO 2.1 / SUN 211

To prevent damage to the collectors and their connections by frost and corrosion, it is essential that a high quality heat transporting fluid be used to fill the solar installation. Use of the heat transporting fluid that we propose provides good anti-frost protection down to approximately -24°C.

To prevent any damage of the system, pressure tests should only be carried out with the heat-transporting fluid used later on.

4 Testing pressure: 4 bar

4 Test time: minimum 1 hour

112b

114

126

130

131

132

Pressure gauge

Filling pump

Thermometer

Stop valve with releasable non-return valve

Primary solar circuit pump

Safety valve calibrated at 6 bar

Solar expansion vessel

Heat transfer fluid container

Domestic hot water sensor

Primary solar circuit filling and draining device (a propylene glycol)

Solar regulator

Manual bleed degasser

Array of collectors

Solar station complete with DIEMASOL solar regulation

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NEO 2.1 / SUN 211 5. Commissioning

5 Commissioning

5.1 Check points before commissioning

4 Check the solar collectors and their fastenings.

4 Fill the installation with water and check hydraulic tightness.

4 Check the pressure of the installation.

4 Check the electrical connections, particularly the earth.

4 Check that the sensors are correctly positioned.

4 Check that the sensors are operating correctly.

4 Check and ensure that the sensor and 230 V cables are

separated.

5.2 Commissioning

Commissioning the solar circuit: ¼See solar hot water calorifier instructions

See the instructions supplied with the solar control unit and any remote control unit used.

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6. Checking and maintenance NEO 2.1 / SUN 211

6 Checking and maintenance

6.1 General instructions

CAUTION

4 Maintenance operations must be done by a qualified

engineer.

4 An annual inspection is compulsory.

4 Only original spare parts must be used.

4 Protection of the environment: Place a container of

sufficient volume under the drain pipe and the valve discharge pipe.

Check the solar collectors and their fastenings.

4 Check that there are no leaks on the hydraulic connections.

4 The hydraulic pressure must be a minimum of 2 bars.

4 Check that the sensors are operating correctly.

4 Check the safety devices (particularly the valve or safety unit),

referring to the instructions provided with these components.

4 Check the antifreeze power of the heat transporting fluid

(Minimum -20 °C).

4 Check the pH of the heat transporting fluid; it should be between

7 and 8.

4 Clean the surface of the solar collectors using a soft, damp cloth.

4 Check that the gaskets and connections are in good condition.

4 Check that the insulation is in good condition (no mechanical

deterioration or damage caused by the pecking of birds or UV).

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M002303-B

ER190 ER191

(7x)

(10x)

(12x)

(2x)

(1x)

(2x)

(20x)

(12x)

(1x)

NEO 2.1 / SUN 211 7. Spare parts

7 Spare parts

7.1 General

When it is observed subsequent to inspection or maintenance work that a component in the appliance needs to be replaced, use only original spare parts or recommended spare parts and equipment.

To order a spare part, give the reference number shown on the list.

7.2 Spare parts

Spare parts list reference: 300024195-002-B

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M002304-A

ER192 ER45

(2x)

(1x)

(2x)

(1x)

M002305-B

ER193 - ER194 - ER195 ER67 ER68

16 18

13 14

7. Spare parts NEO 2.1 / SUN 211

Markers Reference Description

1 200017411 Screws

2 200016005 Top tie plate NEO collector

3 200016004 Bottom tie plate NEO collector

4 200017412 Screws

7 200016005 Top tie plate NEO collector

8 200016004 Bottom tie plate NEO collector

9 200017413 Screws

10 100013470 Collector - NEO 2.1

13 200017620 Bottom retaining lugs

14 200017621 Top retaining lugs

16 300021241 Reduction 18/15

17 300021242 Reduction 18/16

18 300021243 PT 1000 sensor

20 300002002 12 x 12 cleat fitting

ER 190

ER 191

ER 192

ER 45

ER 193 - ER 194 - ER 195

ER 67

ER 68

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NEO 2.1 / SUN 211 7. Spare parts

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300024195- 001- 02

All technical and technological information contained in these technical instructions, as well as any drawings and technical descriptions supplied, remain our property and shall not be multiplied without our prior consent in writing.

20/02/2013

DE DIETRICH NEO 2.1 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual