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The company preserves the right to change all specifications of the products and their accessories without prior notice

FORCED CIRCULATION BOILERS

Piping:

 the routing of the piping and cabling must be agreed upon between the installer and the client, so as to ensure 

the proper installation of the solar system in compliance with local rules concerning water and electrical installations.

Make sure that the tubes connecting the storage tank with the collector and the piping to/from the water heater 

are insulated in such a way that they can withstand temperatures covering the range of: -30°C to 120°C. Anti-UV 

protection must be used for the insulation. 

Antifreeze Liquid:

 The special heat transfer medium used in the closed circuit protects the system from freezing and 

from salt accumulation inside the collector tubes. The thermal fluid must be well mixed with water in a percentage that 

is necessary to protect the system. The responsibility for the appropriate heat transfer medium quantity as well as for 

the use of other liquid than the one accompanying the solar water heater lies on the installer and in no case on the 

company. The use of water or inappropriate liquid may annul the warranty validity. After the installation is completed, 

the area where the work was executed should be clean & tidy. The customer should fill in the check list provided by 

the company. The company does not hold any responsibility that may be the result of an inappropriate installation or 

incorrect use of components used for the solar water heater installation.

INSTALLATION POSITION

The installation is only allowed on roofs and flat surfaces of adequate bearing capacity. Before you proceed 

with the 

installation, make sure that the roof and/or the construction is of adequate bearing capacity in terms of statics, always 

according to the expected maximum loads at the installation point. If the installation is in a place with an extremely 

big wind and snow load, the system as a whole should be statically checked by a skilled person, e.g. a specialized 

engineer. In special cases, strengthening or more solid constructions may be required.

Space requirements for installation on the roof

TILED ROOF

For the installation on the roof the following points must be taken care of:

 

y

The minimum distances from the ends of the roof should be:

 

- From the sides: distance equal to the width of two tiles

 

- From the top of the roof: distance equal to three rows of tiles

 

y

The minimum distance limit of 0.8m should necessarily be respected, in order for the collectors and the mounting 

accessories not to be exposed to winds the power of which increases on the perimetrical edges of the roof.

Space requirements for free standing installation

FLAT ROOF 

The system should be installed at least 1.5m away from the edges of the roof so as for:

 

y

The systems to be accessible for maintenance reasons.

 

y

The systems and the fixing system not to be exposed to strong winds which are developed at the ends and 

edges of the roof.

 

y

The snow to be removed.

Summary of Contents for V-04212

Page 1: ...Forced Circulation Boilers Installation maintenance use instructions TECHNICAL MANUAL...

Page 2: ......

Page 3: ...TION RULES 8 INSTALLATION POSITION 9 GENERAL PREVENTION MEASURES 10 INSTRUCTIONS FOR THE INTERCONNECTION OF COLLECTORS IN SOLAR FIELDS 10 RECOMMENDATIONS ON HEAT TRANSFER MEANS AND SAFETY AND PROTECTI...

Page 4: ...ses by at least 40 litres daily In order to take full advantage of the solar water heater maximum use of hot water should be made during daytime so that the system can continuously produce hot water d...

Page 5: ...every region and the system s size while at the same time the carbon dioxide emissions are reduced Central solar systems are made of excellent materials according to international specifications and h...

Page 6: ...element rated according to the local regulations of the country of destination Automatically regulated thermostat with bipolar protection and auxiliary fuse The Electrical components for over 300lt ca...

Page 7: ...1 f G Flange for servicing W Upper flange with a magnesium anode MODEL 300 160 Total capacity EN 12897 l 300 160 Actual capacity EN 12897 l 291 156 Net Weight kg 92 54 Insulation mm 50 50 Heat exchang...

Page 8: ...d that insurance for the solar collector is issued GENERAL INSTALLATION RULES ATTENTION Installation must be in compliance with local national rules concerning water and electrical installations plumb...

Page 9: ...lity that may be the result of an inappropriate installation or incorrect use of components used for the solar water heater installation INSTALLATION POSITION The installation is only allowed on roofs...

Page 10: ...alized companies and trained personnel y y Works in electrical installations or conductors have to be executed by trained specialized electro technicians only Labour uniforms y y Have protection glass...

Page 11: ...UM OPERATING PRESSURE PRESSURE DROP MAXIMUM AND MINIMUM INCLINATION ANGLE The maximum operating pressure taking into account the increase in pressure due to the water s expansion must not exceed 400 k...

Page 12: ...rovided with communication keys and a screen on which the parameters and messages are displayed Systems can also be provided with y y Antifrost protection system for the closed loop y y Closed loop ov...

Page 13: ...which we have connected the safety valve 20 the boiler expansion tank 21 the pressure regulator and the non return valve to the position E 6 Connect the hot water consumption 26 to the position C A th...

Page 14: ...rding to the company s instructions In case of any failure condition a specialized technician should be called in A basic periodic maintenance will assure the long life and high efficiency of the sola...

Page 15: ...d UV protection on the thermal insulation Is the piping properly insulated Has the installment on the roof been done according to the local regulations HYDRAULIC CONNECTIONS Are there any leaks in the...

Page 16: ...V2 03 14 www orkli es...

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