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This manual, Code 20134610 - Rev. 1 (10/17) comprises 16 pages.

2

ENGLISH

GENERAL INFORMATION

GENERAL INFORMATION

RANGE

MODEL

CODE

TSOL 25/4 FLEX

20127159

TSOL 25/4 FLEX (2 pcs. pack.)

20127160

TSOL 25/4 FLEX (5 pcs. pack.)

20127161

ACCESSORIES

For a complete list of accessories and details of their compati-

bility, refer to the Catalogue.

Dear heating engineer,

We would like to congratulate you on having recommended a 

T

 Solar collector unit: a modern product that's ca-

pable of ensuring a high degree of reliability, efficiency, quality 

and safety.

This booklet provides the information necessary for a correct 

and simple installation of the system, whatever your expertise 

and technical competence.

Thank you again, and keep up the good work,

Thermital

CONTENTS

The following symbols are used in this manual:

CAUTION! =

 Identifies actions that require caution and 

adequate preparation.

STOP! =

 Identifies actions that you MUST NOT do.

CONFORMITY

Solar collectors comply with EN 12975-1, ISO 9806 and Solar 

Keymark certification.

GENERAL SAFETY INFORMATION

Check that the product is complete, undamaged and as 

ordered as soon as you receive it. Report any discrepan-

cies or damage to the 

T

 dealer who sold it.

This product must be installed by a legally qualified heat-

ing engineer. On completion of the installation, the install-

er must issue the owner with a declaration of conformity 

confirming that the installation has been completed to 

the highest standards in compliance with the instructions 

provided by 

T

 in this instruction manual, and 

that it conforms to all applicable laws and standards.

This product must only be used for the purpose for which 

it is designed and made, as specified by 

T

T

 declines all responsibility, contractual or 

other, for damage to property or injury to persons or ani-

mals caused by improper installation, adjustment, main-

tenance or use.

All servicing and repairs must be performed by a quali-

fied heating engineer.

Solar collectors must be installed with the correct mount-

ing kit (which includes all necessary rails and brackets) 

as listed in the Catalogue.

A protective film is applied to the glass of the solar col-

lector to protect the absorber against solar irradiation 

and prevent the solar collector from becoming too hot if 

it is not going to be put into service immediately. Fill the 

system, but do not remove the film until you are ready to 

put the system into service. Take care when removing the 

film as it may be electrostatically charged. Do not leave 

the protective film in place for longer than 12 months. 

Once removed, the protective film cannot be re-used.  

Dispose of the protective film in compliance with legisla-

tion governing the disposal of PVC.

This manual, Code

- Rev.

comprises

pages.

ENGLISH

General information

GENERAL INFORMATION                                           2

General Safety Information. . . . . . . . . . . . . . . . . . . . . . . . . . 2

Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Description of the appliance  . . . . . . . . . . . . . . . . . . . . . . . . 4

Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

System layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

INSTALLATION                                                             7

Unpacking the product  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Handling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Installation area  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Installation on flat roofs with ballast  . . . . . . . . . . . . . . . . . . . 9

Water connections  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Source water system  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Filling and emptying. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Device cleaning and maintenance. . . . . . . . . . . . . . . . . . . 13

Recycling and disposal  . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

END USER                                                                 14

External maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Summary of Contents for TSOL 25/4 FLEX

Page 1: ...TSOL 25 4 FLEX INSTALLER TECHNICAL ASSISTANCE CENTRE AND USER MANUAL ...

Page 2: ... T in this instruction manual and that it conforms to all applicable laws and standards b This product must only be used for the purpose for which it is designed and made as specified by T T declines all responsibility contractual or other for damage to property or injury to persons or ani mals caused by improper installation adjustment main tenance or use b All servicing and repairs must be perfo...

Page 3: ...hnical Assistance Centre to request a service call under warranty b Size the solar expansion tank so as to ensure complete absorption of the expansion of the fluid contained within the system with reference to the prevailing regulations on the matter In particular consider fluid characteris tics considerable fluctuation of service temperature and vapour that might be generated during solar collect...

Page 4: ...te 20127468 CODICE TIPO CP25TSS S N FABBRICATO IN ITALIA da Riello S p A 13000000 BAR CODE 128B Anno di produzione SERIALE PROGRESSIVO EN 12975 1 ISO 9806 Certif Serial N Model Codice Modello Matricola Codice Tipo Dimensioni Superficie lorda Superficie di apertura Superficie assorbitore Peso a vuoto Massima pressione di esercizio Contenuto liquido Massima concentrazione glicole Liquido termovettor...

Page 5: ...TION TSOL 25 4 FLEX Total area 2 301 m2 Exposed area 2 152 m2 Effective absorption area 2 140 m2 Water connections 2x 1 M 2x 1 F Ø Empty weight 44 0 kg Liquid content 1 7 l Recommended flow rate for each line per m2 of collec tor 30 l h x m2 Minimum flow rate for each line per m2 of collector 20 l h x m2 Maximum flow rate for each line per m2 of collector 200 l h x m2 Glass thickness 3 2 mm Thickn...

Page 6: ...or and the surrounding air and with total solar radiation of 1000 W m2 referred to the exposed area Pressure drop in solar collectors PRESSURE DROP mbar 10 0 20 30 40 50 0 100 200 300 400 500 600 700 800 900 1000 15 10 5 0 0 50 100 150 200 250 300 350 400 FLOW RATE l h With antifreeze water mix of 33 3 66 7 and heat transfer medium temperature 20 C WIND AND SNOW LOADS ON COLLECTORS The maximum all...

Page 7: ... Installation HANDLING Separate the solar collector from the wooden pallet by removing the film wrapping Apply the data label provided in the document enve lope to the back of the solar collector Once you have removed the outer packaging proceed as fol lows to unpack and handle the solar collector Tilt the solar collector slightly and grip it at the four points shown A to lift it Use a hoist or ot...

Page 8: ...oof or sloping roof mounting frames to install any other equipment They are designed only for use with T solar water heating systems The installation of the solar field changes the pre existing structure of the roof It is necessary to check and possibly adapt all the roof elements to prevent any seepages or dam ages caused by wind and or snow 1 5 m 1 5 m b Collectors must be installed at a safety ...

Page 9: ...t cannot be drilled use ballasts not supplied fairly distributed on all the bearing points as shown in the figure kg Wind speed km h Inclination angle of solar col lectors Mass in kg distributed on the various bearing points to secure a collector from wind lifting 100 30 45 135 130 30 45 255 150 30 45 355 The indicated values are valid both for vertical and horizontal installation ...

Page 10: ...uit When tightening a fitting HOLD THE OPPOSITE FITTING STEADY WITH A SECOND TOOL to avoid damage seal ring Plug captive nut captive nut seal ring seal ring Plug captive nut seal ring Union captive nut When tightening a fitting HOLD THE OPPOSITE FITTING STEADY WITH A SECOND TOOL to avoid damage sensor pocket toward the heat transfer circuit from the heat transfer circuit captive nut Ring nut seal ...

Page 11: ... heat exchange circuit towards the exchanger must be made on the side of probe socket T of the last collector of the series see figure Lines of solar collectors can be connected either in series provided each line contains no more than 6 collectors or in parallel The complete circuit must always be hydraulically bal anced See the following sample layouts Connection between collectors must be carri...

Page 12: ...lve accessory 17 Heat transfer fluid recovery M Collector outlet R Collector return 3 1 1 R M C M 4 4 4 9 8 11 17 10 13 14 2 6 12 Valve group 5 7 15 16 T b If copper pipes are used joints must be hot brazed b We recommend the use of stainless steel pipes specially made for solar collectors for the outlet return and probe pipes The probe cable should be of the shielded type b Do not use plastic or ...

Page 13: ...system R M M T DEVICE CLEANING AND MAINTENANCE b The following operations must be exclusively performed by Technical Assistance Centre It is recommended to clean the glass once a year as the de posit of dust and leaves reduces system efficiency The collector must be cleaned with water or water and soap Dry the collector at the end of cleaning operations a Do not use abrasive products petrol or tri...

Page 14: ...ded To clean the glass once a year as the deposit of dust and leaves reduces system efficiency To check the heat transfer fluid to verify its effectiveness every two years To check the integrity of solar collector insulations and any expansion joints every two years For cleaning operations and solar collector efficiency check contact the nearest Technical Assistance Centre End user ...

Page 15: ...15 ENGLISH END USER END USER ...

Page 16: ...ilade Riello 7 37045 Legnago VR www thermital it The manufacturer strives to continuously improve all products Appearance dimensions technical specifications standard equipment and accessories are therefore liable to modification without notice ...

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