background image

5

 

Connections

CONNECTIONS

sensor pocket

toward the

heat transfer

circuit

captive nut 

ring nut

seal ring

captive nut 

ring nut

seal ring

from the

heat 

transfer 

circuit

captive nut 

ring nut

seal ring

insulated connector 

pipe

When tightening a 

fitting,

HOLD THE OPPO-

SITE

FITTING STEADY 

WITH

A SECOND TOOL

to avoid damage

Collectors in the same line must be connected so that the heat transfer fluid flows through them in series. The pipe to the 

heat exchanger in the storage cylinder must be connected to the outlet with the temperature sensor socket on the last 

collector in the line (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 balanced. See the following 

sample layouts. Only the proper fittings must be used to connect one collector to another. These are provided separately 

and include insulated connector pipes. Do not fix the ends of lines of solar collectors rigidly: leave them free to absorb 

thermal expansion. If this is not possible, fit an expansion joint at each end.

Two lines in series

Two lines in parallel

T

T

Diameter of connection pipes for a specific flow rate of 30 lt/m

2

h

Total surface area (m

2

)

2 - 4

6 - 12

14 - 20

Diameter of copper pipe 

(mm)

10 - 12

14

18

Diameter of steel pipe (inch)

3/8" - 1/2"

1/2"

3/4"

Содержание CFO-25S

Страница 1: ...SOLAR COLLECTOR CFO 25S INSTALLATION MANUAL ...

Страница 2: ... persons or animals caused by improper installation adjustment maintenance or use Range RANGE MODEL CODE CFO 25S 20099917 CFO 25S pack of 5 20099918 Contents CONTENTS The following symbols are used in this manual b b CAUTION Identifies actions that require caution and adequate preparation a a STOP Identifies actions that you MUST NOT do This manual Code Rev comprises pages System layout 3 Identifi...

Страница 3: ...ertif 011 7S2505 F Code Year of production Serial Number Description Flat plate solar collector Dimensions Gross area Aperture area Absorber area Empty weight Maximum operating pressure Stagnation temperature Liquid content Max glycol concentration Heat transfer fluid water propylene glycol Serial number plate by Riello S p A Made in Italy Data plate Data label To be applied to the back of the sol...

Страница 4: ...U M IAM 50 0 93 Collector efficiency ηcol 59 2 Tested according to EN 12975 referred to a 33 3 water glycol mix flow rate of 160 l h and irradiation G 800W m2 Tm Coll _inlet _temp Coll _outlet_temp 2 T m Tm T_ambient G Calculated with a temperature difference of 40K be tween the solar collector and the surrounding air and with total solar radiation of 1000 W m2 referred to the exposed area Efficie...

Страница 5: ...e line 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 balanced See the following sample layouts Only the proper fittings must be used to connect one collector to another These are provided separately and include insulated connector pipes Do not fix the ends...

Страница 6: ...4 4 9 8 11 10 13 14 6 12 Water control system 7 5 3 19 1 1 R M 2 17 15 16 18 Solar Regolator b b If copper pipes are used joints must be hot brazed b b We recommend the use of stainless steel pipes spe cially made for solar collectors for the outlet return and probe pipes The probe cable should be of the shielded type b b Do not use plastic or multistrate pipes Operating temperature can exceed 180...

Страница 7: ... service im mediately A B 1 1 Handling HANDLING Remove the PVC wrapping to free the solar collector from the pallet 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 follows 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 h...

Страница 8: ...ater circuit must be insulated in conform ity to relevant standards Lagging and insulation must be protected against damage by the weather and birds and animals Angle of collectors General Solar collectors are designed to be installed at angles of between 15 minimum and 75 maximum Make sure that the bleed and vent valves of the collectors remain open while the collectors are being installed Take c...

Страница 9: ...solar circuit at ambient temper ature with the collectors shielded from the sun s rays 1 Open the non return valve A 2 Open the air vent at the highest point in the system see figure alongside and keep it open throughout the filling operation 3 Open the vent valve 7 4 Pump the heat transfer fluid around the circuit with an external filling pump until all air bubbles have been eliminated Close the ...

Страница 10: ...ery two years MAINTENANCE Collector circuit Cold circuit pressure ____bar see table above Collector circuit seal test Safety valve check Anti freeze checked to ___ C pH of heat transfer fluid ____ Collector circuit bled Flow rate of 30 l h per m2 checked Non return valve functioning Solar collectors Visual check of collectors Collectors cleaned if necessary Visual check of collector fixing points ...

Страница 11: ...11 ...

Страница 12: ... 02 16 www sylber 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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