Drainage, capillary tube, traps for air conditioner

It’s critical to pay attention to the details of your heating and insulation systems if you want to keep your house cozy and energy-efficient. The correct installation and upkeep of your air conditioner’s drainage, capillary tubes, and traps is one frequently disregarded component. These elements are essential to the smooth operation of your HVAC system, which maintains year-round comfort in your house.

Let’s start by discussing drainage. Maintaining the structural integrity of your home and avoiding water damage depend on proper drainage. Drainage channels and pipes assist in eliminating extra moisture that builds up in your air conditioner during the cooling cycle. Insufficient drainage can cause water to collect around your unit, which can cause structural damage, corrosion, and the growth of mold. To avoid clogs and guarantee smooth operation, drainage systems require routine inspection and cleaning.

Cavernary tubes are the next item on the list. These small but powerful parts are crucial to controlling the refrigerant flow in your air conditioning system. Effective heat exchange is made possible by capillary tubes, which regulate the refrigerant’s temperature and pressure as it passes through the system. Capillary tube installation and sizing must be done correctly for the system to function at its best. Any damage or obstructions may result in less cooling capability and higher energy usage.

Let’s talk about air conditioner traps lastly. The purpose of air conditioner traps is to stop water and other contaminants from reentering your HVAC system. They function by erecting a barrier that lets water escape but keeps debris and air out. To guarantee effective and smooth drainage, traps are normally placed in the air conditioner’s drain line. Clearing and disinfecting surfaces on a regular basis is crucial to avoiding blockages and guaranteeing optimal operation.

To sum up, even though drainage, capillary tubes, and traps might not seem like much, they are essential to the longevity and efficiency of your heating and insulation system. You can maintain your home’s comfort and energy efficiency for many years to come by paying attention to these little things and making regular maintenance investments.

Drainage	Prevents water buildup around the house foundation.
Capillary Tube	A narrow tube used in heating and cooling systems to regulate the flow of refrigerant.
Traps for Air Conditioner	Prevent moisture and debris from entering the AC system, ensuring efficient operation.

Types of siphons

A variety of trap models designed to maximize comfort in room conditioning and environmentally safe condensate drains are available from the modern industry. Two groups can be formed from the complete set of models:

• Trap with a water trap.
• Dry siphon.

One feature that sets a trap with a water trap apart is the water-filled compartment that connects the pipes that stand vertically at the bottom of the apparatus. The room’s ability to absorb smells is inhibited by the water that is always present in the compartment.

Dry trap siphons have a number of benefits, including the ability to prevent freezing, prevent water from drying out inside, and prevent the odor trap from breaking off.

Types

The dry-type trap comes in a number of varieties. You can choose an appliance for your kitchen, air conditioner, bathtub, washing machine, or shower tray, among other appliances.

• Membrane. This trap is characterized by its unusual internal design: inside the pipe, which serves as a protective housing, there is a spring-loaded membrane. When water pressure is applied to it, the spring compresses, thereby clearing the way to the opening in the plumbing system that goes into the sewer system. Thus, a free path is opened for the passage of effluent. If the water is not switched on, the spring is in its standard position and ensures the tightness of the trap.
• Float. This model is a symbiosis that combines some of the functions of dry and conventional siphons. The design itself contains a vertical outlet and a float valve (hence the name). When the odor trap is filled with water, the float, kept afloat, ensures the passage of effluent. If there is no water in the siphon, the float drops down and blocks the opening to the sewer system.
• Pendulum. In such a sanitary element, the valve is located at a single point. Water drains, passing through the trap, exert pressure on the valve, and it, in turn, under pressure, deviates from its axis. When the liquid does not pass, the valve, which works on the principle of a pendulum, clogs the sewer hole.

The well-known companies Hepvo and McAlpine stand out as manufacturers of dry construction traps. The sanitary product models from these brands are regarded as the highest quality available. Their price may differ; they begin at 1,000 rubles.

These manufacturers have a range of dry traps to suit every need as well as devices that work with different kinds of sanitary fixtures.

How to choose

To ensure that you make the right decision and purchase a siphon that meets your unique needs as well as a high-quality model, it is advisable that you seek advice from seasoned experts.

First and foremost, it is advised to give the odor trap’s diameter careful consideration. To guarantee maximum flow capacity, the siphon should have one or more of the standard passage’s diameters, depending on the kind of device it will be connected to.

For instance, this indicator should be at least 50 mm (50×50) for the sink and twice as large (two times greater) for the shower. Every sanitary appliance in your bathroom that is situated next to (or across from) another appliance in a neighboring room needs to have its own device. Purchasing sideways-installable siphon models is worthwhile if you want to install your washing machine or dishwasher siphon as comfortably as possible.

Because of the rather unclean grease drains, the dry type model is not recommended for installation over a kitchen sink. It is best to select a bottle-type siphon, which is a water trap, for such a sanitary product. It is important to consider that traps, particularly those installed for shower stall drains, frequently require a gap. Recall that vertical siphons require a minimum of 15 centimeters of clearance, while horizontal siphons do not require a significant height margin.

The device should only be purchased from reliable vendors and in authorized stores or representative offices.

Watch the following video to learn more about the Hepvo dry trap.

Product designation

Condensate is produced because the conditioning device’s working principle relies on the absorption of water from the air. Moisture remains on the heat exchanger’s cold plates and is subsequently gathered in a drainage pipe, a special container. As a result, it is assumed that the air conditioner is operating normally if water is flowing out of the external tank.

Many owners of these air conditioners are not bothered by the constant dripping of water from the external drainage pipe; it is not dripping within the apartment. However, there could be a number of unfavorable effects from this circumstance:

• Constant dripping of water, especially when installing an air conditioner in a private house, can harm not only the pavement, but also the foundation of the building.
• When installing an air conditioner in an apartment building, dripping water can cause problems with the residents of the lower floors. Hardly anyone will be happy to listen to the constant pounding of drops on the window sill, balcony or wetting of the outer wall of the apartment.
• The very sight of the air-conditioning device, from which water drips, is not particularly pleasing to the eye.
• The presence of problems with the use of the air-conditioning device in winter time, because it is possible that the liquid freezes in the drainage pipe and, as a consequence, the breakdown of the air-conditioner itself.

Furthermore, installing air conditioners that imply condensate leaking into the outside environment is already prohibited by the European Union. Soon, domestic lawmakers might also be worried about this matter.

Destination

A unique component that joins the condensate outlet pipe to the sewerage system is called a siphon for split systems. The device’s primary functions are to drain moisture from the air conditioner into the drain communications and shield the area from contaminants’ disagreeable odor. Additionally, using a siphon keeps water off of sidewalks and walls while improving the aesthetics of buildings’ exteriors. There is a functional component in addition to the aesthetic one.

As a result, water seeping from the drainage pipe creates puddles and overwets the pavers in the house. This ultimately has a detrimental effect on the foundation and results in its collapse. Air conditioners without a siphon run the risk of malfunctioning during the winter months when condensate freezes inside the drainage pipe.

Check valve for air conditioner drainage system

The traps used to link split systems’ drainage to the sewage system are not the same as those used for sinks and bathtubs. Their working principle is predicated on the use of a check valve rather than the construction of a water trap. This type of valve lets condensate from the air conditioner flow through it without restriction, but it also totally blocks air and drains from the sewer system.

A drain trap’s design is fairly straightforward and typically indicates one of two types of devices:

1. Ball valve. A light plastic ball plays the role of a kind of float, which rises when the water moves towards the sewer and falls when there is no water or when moving in the opposite direction, blocking the access to unpleasant odor and sewage.
2. Spring valve. Acts in a similar way, but instead of a ball, the device uses a membrane connected to a spring. Water from the drain hose stretches the spring and moves the diaphragm, which allows it to drain into the sewer system. When there is no water flow, the spring returns the diaphragm to its previous position, which makes the siphon closed.

Additionally, the valve for emptying the air conditioner into the sewage system varies based on installation and maintenance parameters. It is as follows:

• One-piece. It has a non-disassembling housing, so it requires periodic replacement (every 2-3 years).
• Segmental. It is a collapsible device and requires only regular maintenance and cleaning.
• Wall-mounted. It has compact dimensions and ergonomic modern design, designed to install the device in a prominent place. The housing has holes for wall mounting with self-tapping screws.
• Insertion. Used to connect the drain hose directly to the sewer pipe.

In this article, we delve into the essential aspects of maintaining a comfortable home environment through effective heating and insulation methods. Understanding the significance of drainage, capillary tubes, and traps for air conditioners is crucial for ensuring optimal performance and longevity of these systems. By addressing issues related to drainage, such as preventing water accumulation and damage, implementing capillary tubes to regulate coolant flow, and installing traps to capture excess air and moisture, homeowners can enhance the efficiency and durability of their heating and cooling systems. These components not only contribute to maintaining a pleasant indoor temperature but also play a vital role in safeguarding the structural integrity of the house. Through proper maintenance and attention to these details, homeowners can create a cozy and energy-efficient living space while prolonging the lifespan of their HVAC equipment.

Mounting the drainage system

The indoor air conditioner unit’s drain hole is where a flexible hose is installed. Drilling a hole in the wall allows the trap to be inserted.

Sharp turns in the trunk line prevent the liquid from flowing evenly. A 45° angle is permitted.

To eliminate offensive smells, a hydro trap-equipped siphon is installed prior to the sewer pipe entrance. It is mounted using crimp nuts. The unit body is marked with the flow direction. To help locate the inlet and outlet, an arrow is provided. A jet break is used to connect to the sewage network. Following installation, a system test is conducted.

PROFcool SCU-032 siphon installation

Setting up a trap to collect air conditioning system condensate

Peculiarities of mounting the trap in the wall recess

• The body of the trap is mounted in the recess of the wall strictly vertically, so that the inscription "UP" was on top. The vertical distance from the outlet of the air conditioner to the siphon should be at least 250 mm.
• Pipelines are connected to the inlet and outlet spigots.
• Before sealing the pipelines to carry out hydraulic tests in accordance with p. 4.15 SNiP 3.05.01-85 "internal sanitary systems".
• The front cover of the siphon must be closed to avoid scratches during decoration.
• After testing and completion of wall finishing, the upper part of the installation box is cut off flush to the wall surface along the recessed ribs.
• The cover is then cut to the nearest recess in the ribs and closed with spring clips to the bottom of the mounting box.

Peculiarities of mounting a siphon over the wall (e.g. in a sewer shaft)

• The siphon is mounted directly on the wall. It can be installed with or without a mounting box. The installation site must be accessible for further maintenance of the trap. The vertical distance from the outlet of the air conditioner to the siphon should be at least 250 mm.
• Pipelines are connected to the inlet and outlet spigot.
• A pressure test must be carried out in accordance with point. 4.15 SNiP 3.05.01-85 "internal sanitary engineering systems".

Types and their characteristics

Two characteristics are used to categorize air conditioner siphons: construction type and liquid drainage technique. There are four different kinds of devices based on the first criteria.

Trap with odor trap

The device consists of two pipes joined by an elbow and has a traditional U-shaped design. The elbow creates a water trap because there is a continuous layer of water there. The advantages of this trap are its straightforward design, 40 mm diameter outlet, affordable price, and transparent tubes that let you see the liquid level. Among the drawbacks are the device’s relative bulkiness as well as the possibility of mold and fungus growth, which over time may spread to the split system itself.

The water in the elbow of a split system begins to dry up with infrequent use, and the siphon starts to smell bad. For example, a washing machine is additionally connected to the siphon, allowing for a regular feeding of the odor trap and preventing such situations. 140–320 mm is thought to be the ideal liquid height in the elbow.

Siphon with a water trap equipped with an odor-locking valve

Structurally, the model resembles the previous one, however, it is additionally equipped with a small valve, made in the form of a ball and limiting the spread of unpleasant odors from the body. The valve works only in one direction, allowing water and air to flow unimpeded to the sewer system and blocking their return movement. The principle of operation of such a trap is as follows: under the influence of water pressure, the ball rises up and provides free flow of liquid into the sewerage system. When the flow slackens, the ball descends by its own weight and closes the outlet pipe. Ball models are additionally equipped with a chamber-dirt collector, which collects solid particles that are washed out of the spigots by condensate.

Flush-mounted trap

This particular type is unique in that the device is housed in a plastic box. The supply and drainage pipes are connected to the box, and the trap features a ball odor locking valve and a float-type design. The model is installed in the wall and is predicated on a vertical built-in installation. Because the trap’s body is frequently transparent, it is easier to control visually. Additionally, the siphon cassette is easily removed from the box and can be cleaned of dirt if needed.

Dry trap for ventilation and air conditioning systems

When connecting a conventional device is not possible, it is installed. A rubber tube built into the device effectively stops the spread of offensive smells. Condensate passes through according to the drip principle, in which the valve opens and then closes as the water moves forward. Straight adapters and funnels are used in conjunction with dry type traps.

Dry traps have the benefit of not having to worry about freezing, condensate evaporation, or damper failure. Furthermore, in contrast to conventional models, these samples do not require frequent maintenance and constant replenishment with condensate, nor are they susceptible to the growth of mold and fungi. Dry siphons are small in size, do not clog, and have a large flow capacity thanks to the drip principle. The direct liquid flow and lack of elbows are the causes of the latter characteristic.

The method of liquid discharge, or the second classification sign, indicates that siphons can be vertical, horizontal, or combined. Models with water traps typically have vertical drainage, but dry-type models can drain liquid in a combined or horizontal fashion.

It is important to distinguish traps with a jet gap in a different category. This system makes it possible for the condensate flow to stop between the receiving pipe and the outlet pipe, where the condensate drains. Stated differently, the odor trap and the incoming liquid do not come into direct contact. Water that is between two and three centimeters high falls into the funnel, where it enters the odor trap and overflows into the sewage system. This enables multiple discharge pipes to be connected to a single funnel and stops germs from entering the room through the sewer pipe.

Types of traps

Two signs are used to classify devices: the method of moisture output and constructive execution.

Arc-shaped model with odor trap

The bulky dimensions of the standard version are its defining feature. The water gate’s height should be between 140 and 320 mm. Transparent pipes allow for visual control. 40 mm in diameter at the outlet. You can feed the odor trap by connecting a washing machine. In the event that the drainage pipeline experiences rarefaction or elevated pressure, the model is advised. The unit’s drawbacks include its size, which creates an environment that is conducive to the growth of bacteria, and the likelihood that it will dry out.

Design with a water trap and odor locking mechanism

Smaller version intended for both exposed and hidden installation. The device features an ABS ball-shaped water gate and odor locking mechanism. The outlet pipe is sealed off by the locking valve when the odor trap’s level falls. There is a cleaning/dirt collection chamber on this model. The siphon’s inlet is DN32 pipe, which can be horizontal or vertical. Horizontal DN40 connector.

Flush Mounting System

Siphon with vertical connection for covert installation

The siphon unit for drainage of the air conditioner into the sewerage system is hidden in a plastic box. The unit housing is installed in the wall. Placement type vertical, height of the odor trap 50 mm. Enclosure size 100x100x60 mm. The box is supplied with two pipes – an inlet and an outlet to the sewerage system. It is possible to connect drainage hoses of three diameters: 20, 26, 32 mm. Inside the casing there is a transparent cassette with a water seal and odor locking device. The valve opens at the passage of condensate and lowers after the departure of water. The cassette is replaceable, it is independently removed and cleaned of dirt.

Comes with a decorative cover with spring clips and a construction plug. The minimum distance of 2 meters between the split-system’soutletpipe and the siphon is a requirement that must be considered when selecting the installation location. It is sufficient to remove the ornamental cover in order to service the unit.

Dry unit

One easy and affordable way to deal with the issue of obstructing offensive sewer odors is to use an odor trap. The benefits of the water barrier vanish if it isn’t regularly renewed.

Elastic tubing featuring molecular memory is the most widely used variation. It is normally closed and keeps sewage gases inside. The tube expands to allow the water to pass through and then contracts to its original size. Benefits of the dry odor trap include:

• compact size;
• The smooth surface of the membrane or tube prevents the device from clogging;
• serves as a reliable obstacle to the spread of odor from the sewer;
• does not freeze in winter;
• the absence of elbows ensures high flow capacity;
• vertical and horizontal installation is possible.

Dry siphons are installed under sinks and bathtubs in rural areas, in addition to being used for air conditioner drainage.

The condensate outlet method is the second classification point:

• vertical outlet;
• horizontal outlet;
• combined version.

Appointment of the device

Drainage hose outlet to the street through a hole in the wall – the simplest way of condensate drainage. The 80 cm long flexible tube is used for draining the resulting moisture. A simple and accessible option has its disadvantages: it is prohibited by SNiP, drops fall on passers-by, in winter time the drainage pipe freezes over. In a private house the scouring of the pavement is added. The optimal way out is to connect the air conditioner to the sewage system. The installation of a trap with an odor locking device is a prerequisite for a competent installation. It allows the liquid to flow in one direction, preventing not only odor but also dangerous gases from entering the room.

The main types and design features

In our apartment, under each sink in the kitchen is the traditional siphon. It is definitely capable of draining drainage water from the split system into the sewage system, but the apparatus is very large and bulky. For this reason, a lot of these device manufacturers reduced their sizes, which led to the development of the following kinds of devices:

1. The classic and the simplest drain trap for condensate of the air conditioner has a U-shape. The elbow connecting the inlet and outlet pipe of this device plays the role of a water trap. The device is easy to install and maintain, but has several serious disadvantages: water in the elbow may evaporate if the climate control equipment is not used regularly, and unpleasant odors may enter the room. The second disadvantage is that such a drainage unit takes a lot of space. As a rule, it is installed in specially prepared wall recesses, covering it with decorative panels.
2. Siphon for drainage of air conditioner with a hydraulic trap and a mechanical ball valve preventing odors from the sewer system from entering the room. This type of fixture can be used both for external installation and for internal (built into the wall) location. The ball valve opens due to the pressure of drainage water on it. When the flow decreases, the valve closes the outlet to the sewerage system, preventing the fecal water from flowing backward. The peculiarity of such units is the presence in their design of a sweep – dirt collector. Ball valve prevents water movement and unpleasant odors.
3. For concealed installation (installation in the wall), most often use box models with a ball float valve as a locking mechanism. The ball valve pops up when condensate enters the device, allowing water to pass freely into the sewer system.

Odors from the sewer system cannot enter the device when the water circulation stops because the float, which is weighted, closes the drainage channel. The typical U-shaped drainage device is entirely replaced by the compact float trap for air conditioners. The drainage units in the box style feature a replaceable cassette that can be cleaned or changed on its own when it gets dirty. Because the cassette is composed of transparent plastic, the level of contamination can be observed.

Using traps for your air conditioner, installing capillary tubes, and making sure your drainage is correct are all necessary for keeping your home comfortable and functional. By taking care of these things, you improve the efficiency of your insulation and heating systems and add to the general well-being of your home.

First and foremost, good drainage is essential to avoiding water damage and the growth of mold, especially in regions that frequently experience heavy snowfall or rain. You can prevent potential structural problems and maintain the integrity of your property by rerouting excess water away from the foundation with the installation of efficient drainage systems around your home.

Second, controlling the fluid flow in your heating and cooling systems is greatly aided by the installation of capillary tubes. These tiny tubes contribute to the constant performance and energy efficiency by helping to maintain ideal pressure and temperature levels. Capillary tubes that are installed correctly can also increase the lifespan of your HVAC system, lowering the frequency of repairs and replacements.

Furthermore, air conditioner traps keep contaminants and water from flowing backward, maintaining the efficiency and hygiene of your cooling system. These devices assist in preserving indoor air quality and averting possible health risks linked to mold and bacterial growth by collecting debris and condensation.

To sum up, proper drainage, capillary tube installation, and air conditioner trap maintenance are critical to the longevity and effective operation of your insulation and heating systems. You can enjoy a more sustainable and comfortable living environment while lowering maintenance costs and potential hazards to your house and health by making these preventive measures investments.