Deciding that a ducted reverse cycle system is the best form of air conditioning for your home is the first step. Next is to choose the right make and model for your home, and this is where you may need a little help! With so many systems and features to consider, the choice can be overwhelming. To make your task a little easier, we've put together this handy little guide. Before choosing which make and model is right for your home, it's important to address all the passive changes you can make in order for your air conditioner to perform efficiently and economically. Think of it as optimising your home's energy efficiency. Ensure that your home is appropriately insulated and as draught-proofed as possible. This may mean bumping up the insulation in your roof, installing roof vents, sealing windows, or shading windows from summer sun. It's also important to consider your neighbours when selecting and locating external components as some units are noisy in operation. There is no one-size-fits-all solution when it comes to ducted reverse cycle air conditioning. The right size, design, and ducting layout depend on a range of factors that have to be determined by qualified and experienced suppliers. Glow will carefully consider the size and layout of your home, your individual needs and your budget before providing you with the best options for your individual situation. What does are verse cycle' actually mean? Air conditioners work on a heat pump principle, which simply means that they pump heat from one place to another. Here's how it works: A fan draws hot air from your home over a cold liquid called are frigerant'. Heat is absorbed from the air, cooling it. The air then flows back into your home. The refrigerant, warmed from the hot air, evaporates and flows into a compressor, which creates a high-pressure, high temperature gas. This gas is then pumped through a heat exchanger outside your home, which allows heat to escape and the refrigerant to cool and liquefy again. The refrigerant flows through an expansion device that lowers its pressure, cooling it further, so it can absorb heat again. Reverse-cycle air conditioners, as the name suggests, can reverse this process and be used for both cooling and heating. Which system is best for me? There are a few essentials you will need to take into account when looking at installing a brand new ducted system in an existing house. It's helpful to have all of the following details before you start shopping around for quotes and designs: Your home's floor plan: How many levels are there? What are the dimensions of the rooms? What is the ceiling height? Which direction do the rooms face? The size, position and orientation of windows and doors The type of construction (for example, weatherboard or brick veneer) The number of people living in your home The main use of each area (for example, cooking, sleeping, living). The ceiling cavity space - small duct systems (slimline) are available for homes with small ceiling spaces The limitations of your outdoor spaces -the outdoor compressor unit needs to be installed somewhere where noise wo not be an issue for you or your neighbours Large systems may require a three-phase power supply, which will be an extra installation cost if you do not already have it Which features should I consider? Zones: Most systems allow for a home to be divided into zones for convenience and economy, so that you can turn on the air conditioning for only the part of the house you want cooled or heated rather than the whole house. Vents: These come in a variety of designs and can be installed within ceiling or walls. Slimline vents are available for homes with small ceiling spaces. Controls: These are usually hard wired and mounted on a wall. You may have one controller for the entire system, but in a large house you might choose to mount extra controllers throughout your home for added convenience. Features will vary from controller to controller so make sure you look carefully at the specs once your quote comes through. Sensors: These are used by the controller to keep the room at the set temperature. Large, open-plan areas may need multiple sensors. Once you have received your quote, we encourage you to visit manufacturers' websites to look at feature and specifications in greater detail. The ducting and cover is a key component of any ducted reverse cycle air conditioning system. Ducts need to be thermally efficient so that valuable cooling or heating does not escape between the air conditioner unit and the target room. Some suppliers are installing inferior ducting so we urge you to check that the ducting your installer uses meets the Australian standard for ductwork, AS 4254. Check the labels on the ducts or get a written statement of compliance to make sure you get the right quality of ducting. The running costs of your ducted reverse cycle air conditioning system depend on the following: The type and size of your system The energy efficiency of your system The length of time you are operating the system for The construction of your home (floor plan, level of insulation, size of windows, etc.) The temperature you set on the thermostat: each degree Celsius lower/cooler you set it to in summer, and each degree higher/warmer in winter, will increase the running costs by 10-15%. As a guide to best practice, set the temperature to 25 degrees in summer, and 20 degrees in winter. A ducted reverse cycle air conditioning system is a substantial investment for your home, but it is really an investment in long-term comfort, energy efficiency, ease of use and versatility. It will pay to do some research before shopping around for quotes. There may even be some offers available to you when you purchase brands such as Daikin, Brivis and Rinnai. When you are ready for an experienced and qualified supplier to visit and assess your home, give Glow a call.
1. How can I stop my lights dimming when my Air Conditioning turns on?
The Compressor has 2 winding's, a Run winding and a Start winding, the Common terminal is the point at which both of the compressor winding's connect, thus the "Common" designation. For example,say you read 3 ohms resistance for your Run winding (Common to Run), and you read 5 ohms resistance for your Start winding (Common to Start). This means between the Run and Start terminals you SHOULD read 8 ohms, as Run to Start is reading both winding's resistance in total, if they do not jive then one winding is shorted to itself or ground or the other winding. This is a good indicator of whether a compressor might have a shot at running if you send power to the compressors Common and Run terminals.The Run capacitor is wired to the Run and Start terminals of the compressor, the Run capacitor stays in the circuit full time, however the Start capacitor only stays in the circuit for at least 50% yet no no more than 80% of the Start winding voltage or BEMF, back electromotive force.BEMF is above the line voltage feeding the compressor, say it's 230 volts, the Start winding may read 300 volts, this is due to a motors similarity to a generator and the motor actually is creating voltage above the line voltage applied. To read BEMF you "bump start" the compressor by touching the Start capacitor's terminals to the Run capacitors terminals briefly!! too long and the Start capacitor will explode, too little and the compressor stalls. So after the compressor starts up rerad the Start winding voltage, we said it was 300 volts, so to size the potential relay that controls the Start capacitor we take the 300 volts and x .50 = 150 volts minimum. Then take the 300 volts x .80 = 240 volts maximum. You will want a potential relay that drops out no lower than 150v yet stays in no longer than 240v. And for the Continuous rating we take the 300v x 1.20 = 360 volts Continuous.So 150v min & 240V max & 360v continuous.A capacitor adds a pulse of power in the East and West poles while the line voltage is feeding the North and South poles of the motors armature, in effect its adding torque by having 4 guys spin the merry go round rather than just 2 guys if that makes sense.
2. Seniors, help with a simple air conditioning question?
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3. Does it conserve energy to turn the air conditioning off everynight if i have to turn it back on the next day?
I would turn it off at night, open the windows and enjoy the fresh air. Most houses are sealed so tight that having the fresh air will help your indoor air quality as well as saving you money