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Циркуляционный насос для отопления: устройство, работа, установка

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Circulation pump speaks for itself What it is that is It is intended for the circulation of coolant For heating.

's Understand in more detail what types are And how to choose the circulation pump is presented on riunke Company grunfus As you can see, these pumps I most use in my practice, and Because it German firm actually Now A lot of German companies And grunfug And willo and dab But most of all I'm used to these pumps To him no complaints Workable And the defect rate is very minimal About 1% from 100% Pumps that I have put One was suitable neremontno At the pump Called Below Given his marking At the moment we see Labeling 25-60 Dash sixty This mark on May even be 32-60 Dash sixty Or 80 The first digit Denotes prisoedenitelnymi size Ie this one In our case Connecting dimensions 25 millimeters that is 1 inch The pump Enclosed coupling nuts Whom he screwed To quickly assemble and disassemble.

A kind of "American" plug connection 25 denotes a threaded connection 1 inch If it is by means 32 1 inch to four If the labeling Here is thus one inch and a quarter 32 mm Second digit 60 may be the most minimal of 40 Been pumps and 30 Is a kind of pressure, then et 60 Lifting height of the pump is 6 meters.

6 meters of the water column if you translate Figure in the atmosphere Is 0.6 atmospheres.

That is, when we do calculations Thermal heating system losses We expected Hydraulic calculation And these parlametrov We select a pump Does he handle He resistance In the heating system or not Numeral 40 denotes an atmosphere 0.4.

There are another 80 that means 0.8 atmospheres.

Here are the main parlamentry that For the pumps need to know A table goes here Consumption Electric current Under what parameters what his load Any circulation pump is Three positions Ie at each position adventure He has a performance Certain amount of coolant Prokatchivaet 1 hour The more position The more Volume pumps And it consumes current at each position But usually How many I have encountered Eg 25 to 40 is the smallest pump.

At the first position, it consumes Approximately 30 Watt Simply when the second of the provisions Order 60 watts and a maximum load It consumes about 80 Watt Compare themselves consumption Electric current Power Less than usual Lamp 100 Watt However if we will constantly work on the network Then not take a lot of electricity Dazhezhe at maximum Loads Let us now See what it consists of and principle of operation This pump Here's a pump in the section Schematically depicted Pump consists of a housing.

Consists of Corus.

And of the motor or rotor To which is attached the body Rotor consists of a Electrical windings Pump control unit connection locations.

And start capacitor Shaft is an impeller Coolant as seen On the arrow goes into the body Here due to the impeller Captured Coolant And impeller Emitted in another direction Here schematically Shows air vent but Not always pumps Come with air vent Mainly Pump has a nut If the air is gathered in the pump Unscrewed nut And deflates.

Through the rotor is produced Air from the system Here's another pump Company willo They almost nothing to each other Do not differ May differ from management, terminal box By type They edentichny In just about which I spoke about that nut You want to twist To let the air out of the system.

Should pay special attention to On correct installation Circulators As we can see the pump shaft must Always placed horizontally What does this mean? As we can see, if you put Pump vertically Rotor up Coolant movement Vertical shaft At the same if We reverse Coolant in the opposite direction Shaft is too upright Happens that pose, and so But the pump Loses its productivity 30% !!! It is necessary to bear in mind! If the pump is located Here so the shaft is located horizontally And impeller work like this Shaft i.e. Is the best option for pump Same thing if fed up Coolant Same Shaft positioned horizontally Impeller vertically If Pump is on the horizon As seen Gorizontalnoaya system Pipelines Its rotor To win Look about that on the said nut Here it is optimal Even if obliquely Shaft but we remain horizontal Make it a rule to know That Pump shaft should always be located Horizontally This basic rule Install circulation pumps Now let's understand or Strapping with pumps in the heating system On photos Shows the strapping system Metal pipes Heating systems once existed To Save on gas Done is such a bypass line It even nayvayut "bypass" Largely cut pipe Threaded This pipe Placed ball valve are connected by through Coupling and through the locknut If for some reason No electricity Or pump just do not want Or it stopped working Order not to ostanovat Heating system This one tap and need We otrkryvaem And heating with natural circulation Works as usual Prhodil on the pipe If we close the valve Here and open the taps Who's going coolant By-pass line "Bypass" Through circulator As seen union nuts Circulation pump Pump itself Desirable, I recommend to all Put a filter Before the pump But naturally Valves ball valves Inlet and outlet As I said, if that is to happen pump Simply reimplemented cranes Unscrew union nuts Remove the pump And submit it to the repair or repair themselves Let's consider A lot of important question Often Face these customers Or installers Prvy when they start again Faced this problem Not know how Deal with it See what the situation Is usually a circulation pump works in the winter Winter it is constantly spinning And no problems with it Does not appear But the winter season is to end Begins spring, summer and part of autumn Pump practically Half of the year is without motion Natural quality of water and coolant Which is filled with heating system This is not always a good Created anyway Hardness salts When the water is heated in the winter Hardness salts begin to fall Precipitate In the body, but in this place Between housing and krychatkoy Going hardness salts When the pump stands He just simply coked Here in this place The weakest link here Here Happens zarostaet impeller These salts Coming heating season Begin to include Pump buzzing, but no circulation Because the impeller coked These hardness salts Low-power pump motor Can not rip it Panic begins What to do? Change the pump? The first thing that I recommend Unscrew the nut And see the screwdriver there Or Allen key Place And just simply have to try Manually scroll impeller If you cranked it a little bit Twisted, the more pump Handle myself But sometimes it can not, and that's when Unscrew himself Rotor From the body Here he is on the four bolts Attached Bolts allen Unscrew and take out clean All here this surface Impeller and casing Where she impeller rotates After cleaning collect all Pump must earn Is one nuance and second nuance This is my opinion I may be getting ahead I'll Connect To the heating system Circulators And explain why it is so Assume we have a boiler Direction Feed Radiators Ring returns I put circulator So it means Connect Expansion vessel Then Connected to the boiler We are Valves ball valve Filter There may be Same or ball valve I have either put a check valve Like this is denoted The arrow to the boiler Why it's done and I'm Briefly explain When we closed system heating Circulation pump is placed on the "return line" Why? because he Fulfills the role And pushes fluid into the boiler.

Circulation pump works in this case At low temperatures Even if the boiler is heated up to 90-100 degrees And assume he boiled The pump will always Maximum of 70 degrees this extends Operation second pump When coolant is pushed into the boiler As we understand Especially on the floor boilers Capacitive type that is what that tank There is water Always top Can collect gas Phase Air If we put Pump on the pitch he is pulling Boiler And the upper part can be created Cork Naturally some sort of emptiness and boiler At this location can boil From high temperatures when we pushed Water to the boiler Now this space is no longer Is one nuance And the same Second nuance Why I put a check valve here.

Instead of the ball valve Check valve If installed according to the arrow The boiler pump can also change And any problems Close one crane Check valve Us water here will not give Because it will be closed And pump can be removed without any problems But the check valve Helps us here in any case? If the boiler went to great lengths riser vertical Naturally some pressure will be Not just go up and down Here to nebylo opposite flow Part of the pressure and did not go into the return line System and "rose" I have for this purpose and put the check valve Well, the last moment of the expansion tanks We still talk But once we touched on this theme.

I want to explain the expansion vessel Expansion tank I put too Before the boiler to "return pipe" Why? Because if Goes extension coolant Tank filled with coolant When it cools The same cooled coolant Squeeze back into the pot In order not to create Airlocks




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