HVAC: Heating, Ventilation & Air-Conditioning, Steps for the Installation of the Outdoor Unit of Ductless Split AC, This post is part of the series: Installation of Wall Mounted Split Air Conditioners, installation of the indoor unit of split AC, location of the indoor and the outdoor unit, https://www.acdirect.com/xcart/images/products/PU, Installation of the Split Air Conditioners: Deciding the Location of Indoor and Outdoor Units, Installation of the Wall Mounted Indoor Unit, Installation of the Outdoor Unit of Split Air Conditioners, Installation of the Refrigerant Tubing in Split Air Conditioners, Commercial Energy Usage: Learn about Emission Levels of Commercial Buildings, Time to Upgrade Your HVAC? Further, the vibrating unit makes lots of noise which could disturb not only your room but also the neighbors. 5) Installing the outdoor unit on the external wall: The outdoor unit can also be hanged on the external wall on some angle supports. 1) Install the outdoor unit on flat rigid surface: The outdoor unit should be installed on the flat rigid or concrete base since it is quite heavy. d) The indoor unit should be accessible easily so that one can conveniently clean the filter every fortnight and the whole unit and also that one can manually change the position of the louvers easily. 6. First of all, bring the outdoor unit to the location where it has to be installed. c) The wall mounted indoor unit should be located at the height of about 8 to 10 feet from the floor so that that most of the chilled air is used for cooling the room and not merely for cooling the hot roof. As far as possible the outdoor unit should not be exposed directly to the sun, however, if this cannot be avoided, one can make sunshade to protect it from direct sunlight. Copyright © 2020 Bright Hub PM. 1991).TOSOT's product -line includes residential and commercial air conditioners, from ductless-split, single and multi-zoned, PTACs, window units and dehumidifiers to VRF (Variable Refrigerant Flow) units. The outdoor unit is quite heavy and if it placed in angular position, there will be unbalanced forces that would increase the vibrations of the unit, which may eventually result in total uprooting of the unit. The installation of the split air conditioners is the most important and crucial part. These units are capable of running mutliple indoor units with only one outdoor unit. d) The surface on which the outdoor unit is to be installed should be rigid enough to avoid its vibration. If the unit vibrates due to weak base, the compressor and condenser coil will also vibrate, which can lead to the breakage of the copper tubing over certain period of time and leakage of the refrigerant. With this the installation of the outdoor unit is done. TABLE OF CONTENTS It should be located directly above the bed. Lift the unit to the place where it has to be installed. Installation Sequence of Split Units. • Before choosing the installation site, obtain user approval. 3) To prevent exposure to wind, it is recommended to install a baffle plate on the air discharge side of the outdoor unit. A ductless or mini-split air conditioner consists of an indoor unit, which contains the evaporative coils, and an outdoor unit, which contains the compressor and condenser coils. Since the unit is too heavy, about three to five people may be needed for lifting it and it should be lifted carefully with proper coordination. Steps for the Installation of the Outdoor Unit of Ductless Split AC. One of my brothers asked me to install one for him Since air conditioning is a hobby (not profession) of mine. Pressure is high and cannot be measured with a conventional Connect the indoor unit and outdoor unit with the air conditioner piping and cables gauge. RAS-25YHA RAS-35YHA. The first step in the installation of split AC is deciding the location of the indoor and the outdoor units, only then the next important steps of the installation can be initiated. Making sure your outdoor unit is clear of trees or a dusty area (like a driveway) can further help you keep your air conditioner’s filters clean and less likely to get dirty or blocked. Tips for Plastic Part Design and Engineering – Guidelines for Draft Angle, Wall Thickness, Fillet, Radius and Boss. https://www.acdirect.com/xcart/images/products/PU_PUH_Installation.pdf. In most of the cases the outdoor unit of split AC has to be installed at certain height so lifting the unit can be a tough task requiring about three to four people. If one has to avoid the direct flow of chilled air on the body, one can always change the direction of the louvers. • For installation of the indoor unit, follow the Installation Manual attached to the indoor unit. Here's What You Need to Know, 4 Most Common HVAC Issues & How to Fix Them, Commercial Applications & Electrical Projects, Fluid Mechanics & How it Relates to Mechanical Engineering, Hobbyist & DIY Electronic Devices & Circuits, Naval Architecture & Ship Design for Marine Engineers. Remove the screw on the stop valve cover. TOSOT is an HVAC equipment brand owned and manufactured by GREE Electric Appliances Company of Zhuhai (Est. First of all, bring the outdoor unit to the location where it has to be installed. It explains various factors, like deciding location of the indoor and outdoor units, their installation, gas charging etc. INDOOR UNIT/OUTDOOR UNIT. A one-ton unit with one outdoor and one indoor component at 21 SEER rating runs $1,000 to $4,000 depending on the brand and type of indoor mount. If you are purchasing a 2.5KW or 3.5KW unit it is not such a big deal as all the units are approx the same size. A ductless mini-split air conditioning system costs$2,000 to $14,500 with an average of $3,000 for a 12,000 BTU system. Inside the vibrating compressor the shaft may get unbalanced leading to its unsymmetrical movement and ultimately burning of the electric coil. Copyright © 2020 Bright Hub PM. There should not be any blockage to the flow of air in front of the outdoor from where the heat is dissipated by hot air. Whoever had installed the outdoor unit, failed to comply with the spacing rules – an important consideration involving the split air conditioner installation process. To obtain the best performance and ensure years of . The angles can be fitted on the wall by using special bolts called anchor bolts. The outdoor unit of split AC is brought outside to the location where it has to be installed. All Rights Reserved. • This Manual describes the installation method of the outdoor unit. Midea split air conditioner is perfect combination of quality and price. The most important thing is … Let us the see the factors to be considered when deciding the location of these unit (see the images below): If the terrace is not available it can be kept on the awning above the wall or it can be hanged on the external wall supported by the angles. b) As far as possible the indoor should be installed above the bed so that the maximum cooling effect can be obtained. The outdoor unit was installed about one ft. away from the wall of the building. 2) Free flow of air: The outdoor unit should be installed in the open space on the terrace, above the awning of the window or any other convenient location where there is free flow of air. 3. Correct location of outdoor unit. We have seen some important points regarding the location of the indoor and the outdoor unit, here we have summarized these points for the outdoor units and have added a few more. Outdoor Unit Installation Drawings 9-7/8 (250) from wall How to remove the stop valve cover. The refrigerant at very low temperature flows inside the tubing between indoor and the outdoor unit, and there is always some loss of refrigerant effect to the atmosphere from these tubing, hence the distance between the indoor and the outdoor unit should be kept as minimum as possible to reduce the loss of the cooling effect. Mide provides good warranty support for 24 month for entire unit and 5 years for compressor, what is more than any other brands on the market. $200 – $400 | Installation of each additional indoor unitInstallation cost factors are: 1. For proper cooling, mount the indoor and outdoor units of split AC at location away from direct sunlight and water. 4) In heavy snowfall areas, select an installati on site where the snow will not affect the unit. The outdoor unit creates all the noise (because it contains the compressor). Any blockages will seriously affect the performance of the AC and can also lead to the burning of hermetically sealed compressor coil. : I live in a hot tropical climate and air conditioning is a nice luxury to have. Make sure that the wall on which the outdoor unit is being fitted is strong enough to bear its weight and vibrations. DIY mini split installation requires a condensing unit outside the home, an air handler inside the home, refrigerant lines to connect the units and electrical wire to power the units. Lift the unit to the place where it has to be installed. Installing the outdoor unit in a safe, dry and well-ventilated area is advised. 1. The vibration of the outdoor unit will raise excessive noise and also lead to the breaking of the copper tubing and leakage of the refrigerant. Installation of a Split Type Air Conditioning Unit. Instruction manual. Most of the outdoor units are quite silent so one does not have to worry about their noise. c) There should not be any hindrances in front of the outdoor that would block the passage of fan air from passing to the open space. 1. The client decided not to due to the extra costs involved in installing a multi split system air conditioner. The maximum distance between the indoor and the outdoor units can be about 15 meters. It is always advisable to keep the outdoor unit at the height above the indoor unit. This is the series of articles that gives step-by-step guide for installation of split air conditioners. Both parts of the system need regular cleaning and maintenance. While the indoor unit is light in weight, the outdoor unit is quite heavy since it comprises of the heavy components like the compressor, condenser, fan motor with fan etc. Note Different models have different mounting plates, the … In the next article we shall see the installation of refrigerant tubing and gas charging. ... Be it the mosquito repellent split air conditioner or superior functioning of commercial and floor standing air conditioners, ceiling cassette, ceiling concealed duct type and HRV cooling solutions. 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