KU Solar SKY PRO 10 CPC 58 User manual

TECHNICAL MANUAL
SOLAR COLLECTORS SKY PRO 1800

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
3
Index
1. Introduction 5
1.1 Documentation 5
1.2 Supply 5
2. Technical features 6
2.1 Solar collectors technical data 6
2.2 Pressure drop 7
2.3 Efficiency curve 7
2.4 Dimensions and overall size 8
2.5 Sizing 9
2.6 Audits and essential parameters for the sizing 10
3. Installation and maintenance 11
3.1 Safety guidelines 11
3.2 Orientation of the collectors 11
3.3 Inclination 12
3.4 Indication regarding transport and handling 12
3.5 Location of installation 12
3.6 Installation and resistance to stress caused by wind and snow 12
3.7 Perform calculation to additional load on buildings 13
3.8 Shade 16
3.9 Sloped roof kit assembly layout 16
3.10 Sloped roof kit assembly layout 2nd solution 19
3.11 Flat roof kit assemblylayout20
3.12 Solar collectors tightening connections 23
3.13 Mounting the sensor 26
3.14 Safety system 27
3.15 Filling the tank 28
3.16 Checking the leak-tightness and washing the system 28
3.17 Emptying the solar circuit 28
3.18 Heat-transfer fluid 29
3.19 Loading the system 29
3.20 Interconnections for collectors in series31
3.21 Handly sheet for the choice of piping 32
3.22 Warnings and background checks 35
3.23 Periodic maintenance inspections37
4. User 38
4.1 User instruction 38
4.2 Warranty 38
4.3 FAMILY Kloben’s system 40
4.4 TOTALENERGY NRG PRO Kloben’s system 41
4.5 TOTALENERGY PLUS Kloben’s system 42
5. Kloben’s Data detection sheet for solar heating system 43
5.1 Technical foil 43
6. Certificates 44
6.1 DINCERTCO Specific CEN KEYMARK Certificate No.011-7S1476 R : English language 44
6.2 DINCERTCO Specific CEN KEYMARK Certificate No.011-7S1476 R : German language 45

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
C
4
•The manual must be read carefully; You can use the system in a rational and safety way; it must be
preserved with care since its consultation may be required in future. If the system will be transferred
to another owner must be accompanied by this manual.
•The manufacturer declines all liability from any translations of this manual from which may arise
misinterpretations; will not be liable for non-compliance with the instructions contained in this manual
or for the consequences of any action not specifically described.
DURING INSTALLATION
•The installation must be performed by qualified personnel so that, under his responsibility,
compliance with laws and regulations at national and local regulations.
DURING USE
•Repairs must be performed exclusively by authorised service centres using original spare parts;
therefore confine itself to shut down the system or to exclude it from the system.

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
5
1. Introduction
1.1 Documentation
This installation and commissioning manual contains important information for the operation and
maintenance of the Kloben solar energy systems.
It is recommended to hand over this documentation, which contains the system assembly and maintenance
instructions, to end user. S/he is responsible for its preservation in order for it to always be available when
needed. Install the solar system according to the assembly instructions included in the individual products
supplied.
1.2 Supply
The collectors and accessories must be handled with care when transported and/or stored. Should the
packaging be damaged during transport, contact the carrier immediately, taking note of the circumstances on
the delivery note and ensuring this is countersigned be the delivery person. Do not remove the packaging
anyway and maintain the delivered goods in unaltered conditions, until an assessment of the damage
caused is implemented by the courier company. Should the goods received be intact, verify that the
assembly kit is complete before starting the installation. The packaging material must be disposed of
adequately following the installation.

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
C
6
2. Technical features
2.1 Solar collectors technical data
Tab. 1 – Features of SKY PRO 1800 solar collectors
FEATURES SKY PRO
10 CPC58
SKY PRO
12 CPC58
SKY PRO
14 CPC58
SKY PRO
16 CPC58
SKY PRO
18 CPC58
SKY PRO
20 CPC58
SKY PRO
22 CPC58
Number of tubes 10 12 14 16 18
20 22
Gross area (m2)
2,16 2,58 3 3,43 3,85 4,27 4,69
Aperture area
(m2)
1,90 2,28 2,66 3,04 3,43 3,81 4,19
Absorption area
(m2)
2,59 3,11 3,62 4,14 4,65 5,17 5,69
Width (with
fittings) (mm)
1122
(1200)
1342
(1420)
1562
(1640)
1782
(1860)
2002
(2080)
2222
(2300)
2442
(2520)
Length (mm)
1927
1927 1927
1927 1927 1927 1927
Depth (mm)
116 116 116
116 116 116 116
Empty weight
(kg)
43 51 60 68 77 85 94
Liquid content (l)
1,47 1,76 2,06 2,35 2,64 2,93 3,22
Maximum
operating
pressure (bar)
6
Optimal flow rate
(l/min m2)
1
Feature
Collector with “U-shaped” copper pipes
Max e Min
working
inclination
1° - 90°
Fittings (mm)
connection to copper fasten with spinner DN 18

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
7
2.2 Pressure drop
For the choice of the diameter of the pipes to series of collectors exceeding 20 m² of extension, please
contact the Kloben Technical Department.
2.3 Efficiency curve and mechanical load
Spazio per inserire il grafico del rendimento e la tabella con i
dati prestazionali
PRESSURE DROP

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
C
8
2.4 Dimensions and overall size
Picture 1 – SKY PRO 1800
Table 2 – Dimensions of collectors SKY PRO 1800
RANGE A B
SKY PRO 10 CPC 58 1200 mm 1122 mm
SKY PRO 12 CPC58 1420 mm 1342 mm
SKY PRO 14 CPC58 1640 mm 1562 mm
SKY PRO 16 CPC58 1860 mm 1782 mm
SKY PRO 18 CPC58 2080 mm 2002 mm
SKY PRO 20 CPC58 2300 mm 2222 mm
SKY PRO 22 CPC58 2520 mm 2442 mm

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
9
2.5 Sizing
Kloben uses an own software program that takes a very fast, accurate and customized way to calculate
energy needs required, such as the number of solar panels needed to integration provided in relation at the
intended use of the solar system. Also the details of the structures on which you want to apply solar
collectors and the climate data refer to the installation area come from that software.
For the dimensioning of all components is advisable to consult your authorized personnel Kloben.
However, there is the chance to make the indicative size of the components required for small
solar (systems up to max 10 m2 of solar collectors, optimal exposure of the collectors from South 20 ° max
and tilt 45 °, average daily consumption per person of about 60 liters to 45 ° C), using data that we report
below:
Kloben useful guides for sizing a solar
hot water system
Northern Italy Central Italy Southern Italy
Average hot water (at 45 °C) consumption
per person = 60 litres per day
80 90 1
Radiating surface of integration work for
each m2of solar field
from 10 to 12 m
2
from 12 to 15 m
2
from 14 to 18 m
2
From SEAI technical source for Ireland: Some useful guides for sizing a solar hot water system are as
follows (note : these are guidelines for information purposes only) :
1 – 1.5 m2of flat-plate collector area per person (note : the aperture area (area through which light
enters) in m2should be used.
0.7 – 1 m2of evacuated tube area per person (note : the aperture area in m2should be used, not the
number of tubes)
Average hot water consumption per person = 40 litres per day (this decides the cylinder size).
SIZING SYSTEM COMPONENTS
Expansion vessel:we suggest a measure of 7 l per m2of solar field installed. For a more accurate
sizing, please refer to the calculation software Solar vessel available in the
Intranet Kloben.
Antifreeze flow : we suggest adding following parameters (A + B + C + D)
A. 1/3 of the capacity for expansion vessel installed
B. A tube size 15 mm we suggest 10 liters of antifreeze flow for each 70 m piping
(35 supply + 35 retry)
A tube size 18 mm we suggest 10 liters of antifreeze flow for each 50 m piping
(25 supply + 25 retry)
A tube size 22 mm we suggest 10 liters of antifreeze flow for each 30 m piping
(15 supply + 15 retry)
A tube size 15 mm we suggest 10 liters of antifreeze flow for each 18 m piping
(9 supply + 9 retry)
C. For each SKY PRO 10 CPC58: 1.47 l
For each SKY PRO 12 CPC58: 1.76 l
For each SKY PRO 14 CPC58: 2.06 l
For each SKY PRO 16 CPC58: 2.35 l
For each SKY PRO 18 CPC58: 2.64 l
For each SKY PRO 20 CPC58: 2.93 l
For each SKY PRO 22 CPC58: 3.22 l
D. 6 liters for the cylinder from 150 to 300 liters
10 liters for the cylinder from 350 to 500 liters
15 liters for the cylinder from 600 to 1000 liters
Solar pump:LOW FLOW for solar collectors from 0,5 m² up to 14 m²
HIGH FLOW for solar collectors from 11 m² up to 30 m²
BIG FLOW for solar collectors from 22 m² up to 100 m²
For a best sizing, please refer to the calculation software available in the Intranet Kloben area
or contact the technical department of Kloben.
Flow regulator:1 l/min for each m2installed solar surface.

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
C
10
2.6 Audits and essential parameters for the sizing
To design appropriate and targeted to the creation of the solar system with only benefit for the end user must
carry out some important preliminary checks by the collection of data essential for proper sizing:
DESIGN LOCATION
The place where it is installed the system provides valuable indications as to size, such as radiation monthly
average, monthly average outside temperature, average monthly temperature tap water, value of average
relative humidity, monthly average speed of the wind.
AVERAGE CONSUMPTION
Consider the daily needs of the family. Consider a hot water consumption approximately 45 °C from 50 to 70
l/day per person (usually) or at least an average hot water consumption per person = 40 l/day for Ireland
market. Identify any requests for simultaneous use hot water. Check the period of use of the plant (seasonal
or months of use).
DESIGN SYSTEM
heating domestic hot water: identify the required consumption and water temperature from these values
you can decide cylinder size.
Generally, for solar, the cylinder should be sized to accommodate approx 1-2 days usage or should be sized
to accommodate twice the expected daily consumption for the household or dwelling.
heating domestic hot water: hotel, gym, etc. -as reported previously indicating regarding the mode of
consumption and period of use. For these types of system, however, is always necessary to develop ad hoc
designers or technical staff by Kloben.
Space Heating: Radiant only - indicate areas to be heated, spacing and type of installation of the pipe
insulation.
Swimming Pool:specify whether indoor or outdoor use any night of coverage, the required temperature,
period of use.
FEATURES OF THE STRUCTURE OF INSTALLATION
Surfaces designed to accommodate the field of solar collectors are an important design constraint to
consider, because the positioning of the solar collector is to influence the uptake’s efficiency of solar
radiation. The things to check are: the possibility of mounting on roof or above roof, the availability of
groundwater roof facing south or alternatively oriented to the east and west slope of the roof pitch, the
presence of other systems, etc..
By current rule UNI 9182, are deduced the data regarding the capacities and needs hot water depending on
the activity in question and the individual dwellings.
Above information refers to a preliminary design and it is related to residential areas with a standard type of
consumption of an average family. However, for correct sizing of all parts of the plan must be taken into
account, in addition to preliminary tests, also all the peculiarities of dwellings and then proceed with the
definition of energy requirements, mode of delivery (flow, temperature, time of request) and finally correct
sizing for all components based on power and performances of the various components of exchange: solar
surface, solar heat exchangers, storage, etc..
For Northern Ireland market: Solar hot water systems as whole for any dwelling falls under building
regulations Part L 2008,then it is obligatory to produce a certain amount of energy using renewable
technologies: this is usually 50-60% of the annual hot water requirement, but this can vary depending on
economics and hot water requirements.
For this reason and for an accurate sizing, please refer to the technical staff by Kloben.
ATTENTION If you choice an installation of solar system for one already in operation, it is absolutely
essential have the detailed diagram of the existing thermal power plant, without which it will be
possible to provide no guarantee of performance.

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
11
3. Installation and maintenance
3.1 Safety guidelines
The installation must be implemented in accordance with European, National and Local standards in force
pertaining to system safety, by qualified expert personnel.
Qualified expert personnel refers to persons with specific technical skills in the sector pertaining to heating
system components in civil applications and hot water production, as required by Italian Law No. 46/90 dated
5/03/1993, Legislative Decree No. 37 dated 22/01/2008, subsequent updates and implementation Decrees.
The manufacturer shall not bear any contractual or non-contractual liability for damage caused by errors in
installation and use, and in any case deriving from non-compliance with European, National and Local Laws
and Standards in force and instructions provided by the manufacturer.
All safety standards must be complied with when installations are implemented on a roof, so as to safeguard
the workers and persons, who during the works can be at risk due to falling objects or similar.
Starting with the positioning of the ladder, this must rest against secure points and lean at an angle between
65° and 75°. It must also be higher than at least 1 m from the landing point. The ladder must be secured in
order not to slide, give-way and/or tip over. It is recommended to use rung ladders up to a height of 5 m.
Passage-ways, areas where persons can stop and work stations that are beneath the area in question must
be protected against objects that can fall. Block, close off and mark the areas that present hazardous
situations for people. Protections is required starting from 3 m if the solar collectors are to be installed on a
roof with an inclination between 15° and 60°. Fall protection can consist of scaffolding, assembled with a
max difference of 5 m between the worktop and the scaffolding or the roof protection wall, which must
protrude laterally a minimum of one metre on each side with respect to the work area.
Should the scaffolding or the roof wall not be sufficient to guarantee a safe installation, safety harnesses can
be used and these must be firmly anchored to solid construction parts, possibly above the user.
3.2 Orientation of the collectors
For maximum energy performance from the solar collectors, these must be installed with the sunlight
absorbing surface facing the south. This orientation can be changed if the energy need is concentrated in the
morning (exposure south-east) or in the afternoon (exposure south-west). When positioning the solar
collectors, verify that they are not covered by shade caused by other buildings or trees, when seasons
change. For example, a roof slope can be entirely exposed to the sun during the summer months (when the
sun is in the highest position with respect to the horizon) and be completely in the shade during the winter
months when the sun is at its lowest, or vice versa.
Picture 2 – Sun exposure

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
C
12
Azimut
Angle to the horizontal plane between the orientation of the collectors and the geographic South. If the
collector is facing South, the azimut angle is = 0°, if it is facing East or West it is = 90°C.
Optimal orientation = 0° South
Maximum orientation recommended = 30° South/East - 30° South/West. If the orientation of the pitch
is more than 30°C compared to the South, a double East-West pitch can be installed.
ANY ORIENTATION OF THE MANIFOLDS THAT IS DIFFERENT FROM THOSE STATED IN THIS
MANUAL DOES NOT GUARANTEE THE OPTIMAL PERFORMANCE OF THE SYSTEM.
3.3 Inclination
The angle of the solar collectors with respect to the horizontal line is closely related to the season during
which the system is used mostly. When the system is mainly used during the summer months (camp sites,
pools, buildings used during the summer holidays), it is recommended to apply an angle equal to the latitude
of the location of the installation, reduced by 10-15° so as to favour sunlight absorption with the high sun (L-
10)°, (L-15)°. In the opposite case, i.e. if the system is mainly used in winter, the recommended angle is that
of the latitude increased by 10-15°, (L+10°), (L+15)°. When the system is used continuously throughout the
year, it is recommended to choose an angle equal to the latitude (L)°.
When the solar collectors are to be embedded into the roof for aesthetic purposes, i.e. these will be at the
same angle as the roof, the number of collectors can be increased so as to compensate for the loss in
efficiency caused by the non-optimal angle.
The SKY PRO solar collector can be inclined at an angled that falls between 1° and 90°.
3.4 Indication regarding transport and handling
There are no specific warnings regarding the handling and transport of the solar collectors, if not the usual
cautions to consider when handling fragile objects. The packaged panel must be loaded onto lorries or any
other means of transport in a vertical position.
Wear rubber or PVC gloves during handling, installation and maintenance of the panels, so as to prevent
injury due to the accidental breakage of fragile material, such as glass. The use of protective glasses is also
recommended.
For the use and handling of the anti-freeze heat transfer fluid follow the normal safety and hygiene measures
relative to the use of chemical substances. Also refer to the information contained in the anti-freeze safety
sheet.
3.5 Location of the installation
Ensure that the roof where the solar system will be installed is sufficiently solid to withstand the weight.
3.6 Installation and resistance to stress caused by wind and snow.
The installation of solar collectors on flat and sloped roofs envisions indispensable preliminary checks that
clarify the following critical aspects:
- Static stability of the roof for assembly of the collectors;
- Accessibility of the roof housing the system and sufficient access and freedom of movement in
safety;
- Fixing quality of the structure connections and support devices of the solar collectors to the building
support (loft structure, flat roof structure, etc.).
On the basis of the place of installation selected, the locality, the height from the ground, exposure,
topography of the land, the climatic conditions of the areas, etc. preliminary checks must be made of the
loading conditions owing to the wind (average, peaks due to gusts and the presence of storms) and snow,
based on that required by the Decree of the Ministry of Infrastructure and Transport dated 14 September
2005 – “Technical standards for construction” and subsequent decrees. When calculating the stress
evaluation of individual and combined loads due to wind and snow, a maximum sustainable load of 0.90
kN/m² must be considered, normally on the collector surface. The solar collector has been designed to
adequately withstand severe combined conditions of both wind and snow, which are typical in Italy.
However, if exceptional phenomena are expected or loading will exceed the maximum allowed, additional
protection must be implemented, such as tie-rods are reinforcements that are to be established on site.

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
13
3.7 Perform calculation to additional load on buildings
Snow load on roofs per unit area, is estimated by the expression:
s = μiCeCtsk (1)
where
skcharacteristic values of ground snow load [kN / m] associated with the standard return period of 50 years,
depending on the site and the altitude
Ceexposure coefficient
Ctthermal coefficient
μishape factor of the roof
according rules Eurocodice1 technical basis of design and actions on structures Part 2-3: Actions on
structures-Snow loads ENV 02.03.1991 with the formula (1).
As for rule Ceand Cttake unit value; while for the values of ground pressure is considered as a function of
their dependence from macro zones geographic relevance of each country member of CEN and altitude as
the construction site (keep in mind then the exceptional conditions in which specific sites are not statistically
predictable and probabilistic analytical values). In general, to cover one or more roof pitches, the coefficient μ
is expressed as a function of α
subject analysis of the specific case of intended installation.
In addition to the above, for each country member of the CEN are taken into account as required by ENV
3.2.1991 (for example for Ireland to the ground snow load modeling will have a different behavior from Italy,
task, therefore, remains designer predict the actual loading conditions of the site you go on offering a clean
install). The Kloben can still provide adequate technical support to professionals and engineers with focused
analysis.
Picture a – Macro zones according DM 16-01-96 Picture b – Macro zones according NTC 2008
In evaluating the effect of wind on a structure can not be ignored from the place where it stands, its position
relative to the prevailing winds in the area, as well as its ability to form or be through the air. The Italian
regulation conventionally back pressure of the wind, although dynamic in nature, in activities that result in
equivalent static pressure and depressions operating in the direction normal to the surfaces in the building
(for construction of small residential buildings, excluding dynamic effects ).
To define the equivalent static actions on a building, it is necessary, at the beginning, detecting of the
following parameters:
- concerning wind speed [m/s]
- concerning kinetic pressure exerted by the wind [N/mq]
The Italian geographical territory was divided into 9 macro zones, depending on what you get the vref value
(maximum value of the average speed over a time interval of 10 minutes of wind work, measured at 10 m
above ground, on a plot of exposure Category II based on a specific classification):

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
C
14
vref = vref,0 if as≤a0
vref = vref,0 + ka(as– a0)if a0< as≤1500
The pressure on the surface (external or internal) of a structural element, usually invested per unit area, is
given by:
p = qbcpcdce[N/m2]
where
qb as concerning kinetic pressure
cpis the pressure coefficient or shape factor (also called aerodynamic as drag coefficient due to shape),
depending on the type and geometry of the building and its orientation with respect to the direction of the
wind
cdis the dynamic coefficient, which takes into account the reductive effects of not contemporary actions
associated with maximum local pressure and amplifiers effects due to structural vibrations
ceis the exposure coefficient
The global action on a building can be assessed as a total force F acting on the normal surface runned down
or else a force f per unit length of that surface, through following formulas:
F = qbcpcdA [N]
f = qbcpcdB [N/m]
dove, accanto ai già definiti parametri
A is a concerning surface for the structure
B is a concerning lenght for the structure
The values of the coefficients (cp, cd, ce)must be derived from data supported by appropriate and reliable
documentation or by tests in a wind tunnel. For more details of the numerical modeling of these factors,
please refer to the standard rule ENV 19991-1-4 Eurocode1 or to the national rule in force.
Wind Load Calculations for Solar Collectors: Ireland market sample
When tested in accordance with EN 12975-2:2006, the Sky Pro Collector was tested to 3000 Pa positive
pressure (i.e. downward pressure) without failure occurring. Using the safety factor of 1.5 for positive
pressure (Section 5.9.1 of EN 12975-2:2006), the designed Solar Heating Systems can withstand a positive
pressure of up to 2000 Pa. The Sky Pro Collector was also tested to 2000 Pa negative pressure (i.e. upward
pressure/uplift) without failure occurring. Using the safety factor of 2.0 for negative pressure (Section 5.9.2 of
EN 12975-2:2006), the designed Solar Heating Systems can withstand a negative pressure of 1000 Pa.
The chosen Kloben or foreigner Solar Heating Systems and fixing system are designed to cover dwellings up
to 4 stores in height in all zones shown in Figure 3.7- c. For buildings greater than 4 stores, and for sites with
altitudes greater than 130m in Zone IV, 160m in Zone III and 275m in Zone II, Kloben italian structural
engineer will calculate the site specific wind loads in accordance with I.S. EN 1991-1-4 Eurocode 1 – Actions
on structures – General actions – Wind actions to verify that the wind loads are acceptable for the collector
and fixing system. To minimize the effect of wind load on the collectors, it is recommended that collectors are
not installed within 0.5m of the ridge or eaves.
The host roof structure, and any modifications necessary to accommodate the Solar Heating Systems with
Kloben collectors, should be checked by a suitably qualified engineer in accordance with the Building
Regulations 1997 to 2009. The installer of the system must ensure that this has been done prior to
commencing installation, as per the Kloben’s Italian Structural Verification Procedure.

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
15
Sample Wind Load Calculations for Solar Collectors
The sample calculations following are based on BS 6399-2 and BRE Digest 489, and are for illustrative
purposes only. Architects and specifiers should satisfy themselves that a particular solar collector is suitable
for the proposed installation location.
- Determining the Design Wind Load
BRE Digest 489 gives the following general equations for wind load used in the design of roof-mounted and
in-roof solar heating systems:
Roof-Mounted: F = qsCp.net CaAref
where
qsis the dynamic wind pressure at the reference height H for the installation, which can be obtained
from BS 6399-2 or the simplified method detailed in BRE Digest 489 based on the wind speed zones shown
in Figure B1. Unless otherwise defined, H can normally be safely taken as the maximum height of the roof
(the height to the ridge) to which the collector is attached
Cp.net is the appropriate pressure coefficient for the system under consideration.
Cais the size effect factor from BS 6399-2. Ca may be safely taken as 1.0
Aref is the loaded area for the system or fixing under consideration. For overall loads on individual
collectors, Aref will be the area of the collector exposed to the wind.
If the roof-mounted collector is supported by, for example, four hooks, each hook, its fixings and the
supporting roof structure should be designed to resist a quarter of the wind force.
In-Roof: F = qs Cpt Aref D S
where
qsis the dynamic wind pressure at the reference height H for the installation, which can be obtained
from BS 6399-2 or or the simplified method detailed in BRE Digest 489 based on the wind speed zones
shown in Figure B1. Unless otherwise defined, H can normally be safely taken as the maximum height of the
roof (the height to the ridge) to which the collector is attached
Cpt is the appropriate pressure difference coefficient for the system under consideration
Aref is the loaded area for the system or fixing under consideration. For overall loads on individual
collectors, Aref will be the area of the collector exposed to the wind.
Dis the permeability factor (obtained from BS 5534)
Sis the substrate shielding factor (obtained from BS 5534)
Figure 3.7- c
3.8 Shade
Shade must be avoided on the collectors caused by obstacles so as to guarantee at least 4 hours of sunlight
at around midday during the winter solstice.

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
C
16
The minimum distance between the collector and the obstacle (D) in cm is given by the height of the
obstacle itself (h) in cm, per a coefficient (J), which varies according to the latitude at which the system is
installed (refer to the table)
Should the system be at a latitude that differs from those shown in the table, the following formula is used to
calculate coefficient J:
J = 1/tg(61°-L)
where:
L = latitude of the location of installation
3.9 Sloped roof kit assembly layout
ASSEMBLY LAYOUT FOR 1 SOLAR COLLECTOR
Position the fixing beams complete with base plate of bracket onto the ground, taking care to respect the
maximum distances indicated in the following figure. For more details go to installation instructions on
system fixing assembly user manual inside retail box.
Picture 3.9-1 Fixing sloped roof system as a whole
Table 3.9-1 : assembly measures concerning picture 3.9-1
MODEL P [mm] A max [mm]
SKY PRO 10 CPC 58 W 610
SKY PRO 12 CPC 58 W 830
SKY PRO 14 CPC 58 W 1050
SKY PRO 16 CPC 58 W 1250
SKY PRO 18 CPC 58 W 1450
SKY PRO 20 CPC 58 W 1650
SKY PRO 22 CPC 58 W 1650
A
bracket Fixing beam

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
17
A is the distance between centerline of 1st collector’s beam and the following one: in case of single collector
you’ll have 2 fixing beams and 4 brackets: 2 brackets for each side, where W is the width of bracket; please
refer to its system fixing assembly user manual on retail box for more technical details and value W for P.
Picture 3.9-2 Fixing sloped roof system with top and bottom brackets for single collector
ASSEMBLY LAYOUT FOR 2 OR MORE SOLAR COLLECTORS
In the case of installation as series of 2 SKY PRO CPC 58 10, 12, 14, 16, 18, 20, 22 collectors, respect the
distances indicated in the figure 3.9-3 and table 3.9-2 , where P (support plate of bracket with width W,
please refer to assembly system manual for more details) is a fixed measurement and B is variable (B is the
distance between centerline of 1st collector’s beam and the following one: in case of 2 collectors you’ll have 4
fixing beams and 8 brackets: 4 brackets for each side, refer to its system fixing assembly user manual on
retail box).
In the case of installation in series of 3 or more SKY PRO CPC 58 10, 12, 14, 16, 18, 20, 22 collectors,
respect the distances indicated in the figure 3.9-4 and Table 3.9-3 where P (bracket’s support plate as W
width, see picture 3.8-1) and C and/or D are fixed measurements (in case of 3 collectors on four beams the
distance from 1st and 2nd one is B instead the distance between the 2nd and 3rd is C, finally distance between
the 3rd and 4th is again B), while B is variable.
A

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
C
18
Picture 3.9-3 Fixing sloped roof system with top and bottom brackets for 2 collectors on series
Table 3.9-2 : assembly measures concerning picture 3.8-2
MODEL P [mm] C [mm] B max [mm]
SKY PRO 10 CPC 58 W 445 800
SKY PRO 12 CPC 58 W 525 940
SKY PRO 14 CPC 58 W 585 1100
SKY PRO 16 CPC 58 W 695 1200
SKY PRO 18 CPC 58 W 825 1300
SKY PRO 20 CPC 58 W 845 1500
SKY PRO 22 CPC 58 W 845 1500
Picture 3.9-4 Fixing sloped roof system with top and bottom brackets for 3 or more collectors

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
19
Table 3.9-3 : assembly measures concerning picture 3.9-3
MODEL P [mm] C [mm] B max [mm] D [mm]
SKY PRO 10 CPC 58 W 445 800 445±5
SKY PRO 12 CPC 58 W 525 940 525±5
SKY PRO 14 CPC 58 W 585 1100 585±5
SKY PRO 16 CPC 58 W 695 1200 695±5
SKY PRO 18 CPC 58 W 825 1300 825±5
SKY PRO 20 CPC 58 W 845 1500 845±5
SKY PRO 22 CPC 58 W 845 1500 845±5
Before installing solar collector on beams you have to insert into collector’s slots the two Kloben’s ‘profile
mounting bracket designed for Sky Pro’ see pictures 3.9-4a and 3.9-4b. The ‘profile mounting bracket
designed for Sky Pro’ is an assembly special system features, we are pleasure to provide with retail box to
our customers. For more details always refer to system manual inside retail box for each product.
Picture 3.9-4a- Special designed mounting piece: kloben’s ‘profile mounting bracket designed for Sky Pro’
Picture 3.9-4b- Special designed mounting piece: kloben’s ‘profile mounting bracket designed for Sky Pro’
After that you could insert a solar collector on beams see picture 3.9-5.

SKY PRO 1800 FORCED CIRCULATION MANUAL
C
C
C
20
Picture 3.9-5 – Integration scheme
Afterwards fix your solar collector on top beams through suitable equipped screws by Kloben see picture
3.9-6.
Picture 3.9-6 - Fixing scheme a
Finally fix your solar collector on down beams through suitable equipped screws by Kloben according the
correct way to do: see picture 3.9-6.
Fixing beam