mira advance atl thermostatic user guide


Mira Advance Atl Thermostatic Shower: A Comprehensive User Guide

This comprehensive guide details the Mira Advance Atl, unlocking its full potential through installation, operation, and maintenance instructions for a seamless showering experience.

Welcome to the world of effortless showering with the Mira Advance Atl Thermostatic Shower! This shower system is engineered to deliver a consistently comfortable and safe showering experience, regardless of fluctuations in water pressure or temperature elsewhere in your home. The Advance Atl combines sleek, modern design with reliable thermostatic technology, making it a stylish and practical addition to any bathroom.

This user guide is designed to provide you with all the information you need to get the most out of your new shower. From initial installation and understanding its features, to routine maintenance and troubleshooting, we’ll cover every aspect of ownership. Whether you’re a seasoned DIY enthusiast or a first-time installer, these instructions will guide you through each step with clarity and precision. Prepare to enjoy a superior showering experience!

Understanding Thermostatic Shower Technology

Thermostatic shower technology represents a significant advancement in showering comfort and safety. Unlike traditional showers, a thermostatic valve automatically maintains your desired water temperature, even if someone flushes a toilet or turns on a tap elsewhere in the house. This prevents sudden, uncomfortable, and potentially dangerous temperature fluctuations.

The Mira Advance Atl utilizes a sophisticated thermostatic cartridge that rapidly responds to changes in water pressure and temperature. This cartridge blends hot and cold water to deliver a consistent temperature, protecting you and your family from scalding. Understanding this core technology is key to appreciating the benefits of your new shower and ensuring its optimal performance. It’s a reliable system designed for peace of mind and a consistently enjoyable shower.

Installation Guide

Proper installation is crucial for optimal performance and longevity. This section provides a step-by-step guide, covering pre-installation checks, connections, and commissioning procedures.

Pre-Installation Checks

Before commencing installation of your Mira Advance Atl thermostatic shower, several crucial pre-installation checks must be performed to ensure a safe and efficient process. Firstly, verify the existing plumbing is suitable and accessible for the new shower valve. Inspect the condition of existing pipes; any corrosion or damage should be addressed before proceeding.

Confirm that the wall behind the intended installation location is structurally sound and capable of supporting the shower valve’s weight. Check for any hidden pipes or cables within the wall cavity using a suitable detection device. Ensure adequate space is available around the installation area for comfortable working access.

Gather all necessary tools and materials, including appropriate pipe fittings, sealant, and fixing screws. Familiarize yourself with the shower valve’s components and the installation diagram provided in this guide. Finally, turn off the water supply to the existing shower before beginning any plumbing work to prevent accidental flooding.

Water Pressure Requirements

The Mira Advance Atl thermostatic shower requires specific water pressure levels for optimal performance. Both hot and cold water supplies must meet these requirements to ensure consistent temperature and flow. Minimum static water pressure should be 1.0 bar (14.5 psi) for both inlets, while the maximum is 5.0 bar (72.5 psi).

If your water pressure exceeds 5.0 bar, a pressure-reducing valve must be installed to prevent damage to the shower valve and associated plumbing. Low water pressure, below 1.0 bar, may result in reduced flow rates and inconsistent temperature control. It’s crucial to measure your water pressure before installation using a pressure gauge.

Consider the simultaneous use of other water appliances, as this can affect the available pressure to the shower. If pressure drops significantly during peak demand, a booster pump may be necessary. Always consult a qualified plumber to assess your water pressure and recommend appropriate solutions.

Mounting the Shower Valve

Before mounting the Mira Advance Atl valve, ensure the wall is flat, strong, and capable of supporting its weight when full of water. Mark the desired position, considering accessibility and plumbing connections. Use the provided mounting template for accurate hole placement. Drill pilot holes and insert appropriate wall plugs, ensuring they are flush with the surface.

Carefully position the shower valve onto the wall, aligning it with the drilled holes. Secure it using the screws provided, tightening them evenly to avoid distortion. Do not overtighten, as this could damage the valve or the wall. Check the valve is firmly mounted and level using a spirit level.

Ensure all pipework is accessible for connection. Consider using mounting brackets for added support, especially on uneven or weak walls. A qualified plumber should oversee this stage to guarantee a secure and watertight installation.

Connecting Water Supply

Prior to connecting the water supply to your Mira Advance Atl, isolate the water supply to the bathroom. Identify the hot and cold water inlets on the shower valve – these are typically marked. Connect the hot water supply to the left-hand inlet and the cold water supply to the right, using appropriate flexible connectors.

Ensure all connections are tight and secure, using PTFE tape on threaded fittings to prevent leaks. Avoid kinking or straining the flexible connectors. Gradually turn on the water supply, checking for any leaks at the connections. If leaks are detected, immediately isolate the water supply and tighten the fittings further.

A qualified plumber should verify the connections and water pressure before commissioning the shower. Incorrect connections can damage the valve and invalidate the warranty.

Commissioning the Shower

After connecting the water supply, it’s crucial to commission the Mira Advance Atl correctly. Slowly turn on the water supply fully, checking again for any leaks around the valve and connections. Turn on the shower and allow the water to run for several minutes to flush out any debris from the pipework.

Check the thermostatic valve is functioning correctly by adjusting the temperature control. The temperature should remain stable, even with fluctuations in the hot or cold water supply. Verify the divert feature operates smoothly, switching between shower head and handset.

Ensure the shower head and handset are delivering a consistent and satisfactory flow rate. Address any issues immediately before full use.

Operating Instructions

Mastering the Mira Advance Atl involves precise temperature and flow control, utilizing the divert feature, and understanding crucial safety precautions for optimal performance.

Temperature Control

The Mira Advance Atl thermostatic shower prioritizes consistent and safe water temperature. Its thermostatic valve automatically adjusts the mix of hot and cold water to maintain your desired temperature, even with fluctuations in water pressure or temperature elsewhere in your home;

To adjust the temperature, use the control dial – turning it clockwise increases the temperature, while counter-clockwise decreases it. The dial features pre-set temperature limits for added safety, preventing scalding. A boost function may be available on some models, providing a temporary increase in temperature for a more invigorating experience. Always test the water temperature before stepping into the shower, especially for vulnerable individuals like children or the elderly. Familiarize yourself with the valve’s temperature range and adjust accordingly for comfortable and safe showering.

Flow Rate Adjustment

The Mira Advance Atl allows for precise control over the water flow rate, catering to individual preferences and conserving water. Typically, a separate control mechanism, often a slider or dial, manages the water volume delivered by the showerhead. Sliding it upwards increases the flow, resulting in a more powerful shower experience, while moving it downwards reduces the flow for a gentler, more economical shower.

Experiment with different flow rates to find your ideal balance between water pressure and conservation. Lower flow rates are suitable for rinsing, while higher rates are ideal for a more invigorating wash. Be mindful of your water pressure; excessively high flow rates combined with high pressure can be uncomfortable. Adjust the flow rate gradually to avoid sudden changes in water temperature or pressure.

Using the Divert Feature

The Mira Advance Atl thermostatic shower often incorporates a divert feature, enabling you to seamlessly switch the water flow between the showerhead and an alternative outlet, such as a separate handheld shower or body jets. This functionality is typically activated via a dedicated button or lever conveniently located on the shower valve.

To divert the water flow, simply press or move the divert control. A clear indication, often a change in the button’s position or a visual cue, confirms the active outlet. Ensure the selected outlet is unobstructed before diverting. Some models feature sequential diversion, allowing cycling through multiple outlets with each press. Familiarize yourself with your specific model’s divert mechanism for optimal use and a customized showering experience.

Safety Features & Warnings

The Mira Advance Atl thermostatic shower prioritizes user safety with several integrated features. Thermostatic control prevents scalding by maintaining a consistent water temperature, even with fluctuations in water pressure. A cool-touch body minimizes the risk of burns from the valve surface. However, always test the water temperature before showering, especially for vulnerable individuals.

Warnings: Never operate the shower if damaged. Incorrect installation can lead to hazardous situations; always consult a qualified plumber. Do not exceed the maximum/minimum water pressure ratings. Regularly inspect hoses and connections for leaks. Avoid using abrasive cleaners that could damage the valve’s surface. If temperature fluctuations occur, cease use and troubleshoot the issue immediately.

Maintenance & Troubleshooting

Regular cleaning, descaling, and cartridge replacement ensure optimal performance. Addressing low pressure or temperature issues promptly maintains a safe and enjoyable showering experience.

Cleaning the Shower Head

Maintaining a clean shower head is crucial for optimal performance and hygiene. Over time, limescale and mineral deposits can build up, restricting water flow and potentially harboring bacteria. To clean your Mira Advance Atl shower head, begin by unscrewing it from the shower arm – use a wrench if necessary, protecting the finish with a cloth.

Soak the shower head in a solution of equal parts white vinegar and water for at least 30 minutes, or ideally overnight for stubborn deposits. This will dissolve the limescale. After soaking, use a soft brush – an old toothbrush works well – to scrub away any remaining residue from the spray nozzles. Rinse thoroughly with clean water to remove all traces of vinegar.

Before reattaching the shower head, check the rubber washer for damage and replace it if needed. Carefully screw the shower head back onto the shower arm, ensuring a tight but not overly forceful connection. Regular cleaning, ideally monthly depending on water hardness, will prevent build-up and prolong the life of your shower head.

Descaling Procedures

Limescale buildup can significantly impact the performance of your Mira Advance Atl thermostatic shower, reducing flow rate and potentially damaging internal components. Regular descaling is essential, particularly in hard water areas. The Mira Advance Atl benefits from periodic flushing with a descaling solution.

Begin by isolating the shower valve from the water supply. Connect a pump and a container filled with a commercially available descaling solution – follow the manufacturer’s instructions for dilution; Circulate the solution through the shower valve for approximately 30 minutes, allowing it to dissolve limescale deposits.

After descaling, thoroughly flush the system with clean water for several minutes to remove all traces of the descaling solution. Restore the water supply and check for any leaks. Repeat the process if necessary for heavily scaled valves. Preventative descaling every 6-12 months will maintain optimal performance and extend the shower’s lifespan.

Replacing the Cartridge

If your Mira Advance Atl thermostatic shower experiences temperature control issues, a faulty cartridge is often the culprit. Replacing the cartridge restores accurate temperature regulation and consistent water flow. Before starting, isolate the water supply and remove the shower handle and faceplate to access the valve body.

Carefully remove the retaining clip securing the cartridge, then gently pull the old cartridge straight out. Ensure the new cartridge is correctly oriented – typically indicated by markings – and insert it firmly into the valve body. Reinstall the retaining clip, ensuring it’s securely fastened.

Reassemble the shower, including the faceplate and handle. Restore the water supply and test the shower’s temperature control. If issues persist, double-check the cartridge installation and ensure compatibility with your Mira Advance Atl model.

Addressing Low Water Pressure

Low water pressure with your Mira Advance Atl shower can be frustrating. First, check if the issue affects all taps in your home, indicating a mains water supply problem. If it’s isolated to the shower, inspect the inlet filters for debris or sediment buildup – cleaning these can significantly improve flow.

Verify that the shower valve is fully open and that any stop valves on the water supply pipes are also fully open. Consider checking for kinks or blockages in the shower hose. If the problem persists, the cartridge may be partially blocked; replacing it could resolve the issue.

Ensure your water pressure meets the Mira Advance Atl’s requirements. If pressure remains low, consult a qualified plumber to investigate potential issues within your plumbing system.

Fixing Temperature Fluctuations

Experiencing temperature fluctuations with your Mira Advance Atl shower can be unsettling. Often, this stems from inconsistent hot water supply, potentially due to other appliances drawing hot water simultaneously. Try to minimize hot water usage elsewhere during showering.

The thermostatic cartridge is key to stable temperature control; a faulty or worn cartridge is a common cause of fluctuations. Replacing the cartridge is often the solution. Ensure the cartridge is correctly installed, following the manufacturer’s instructions precisely.

Check for any airlocks in the hot water supply pipes. Bleeding the pipes can sometimes resolve temperature instability. If fluctuations persist, a qualified plumber should inspect the shower valve and wider plumbing system for potential issues.

Advanced Features & Settings

Explore the Mira Advance Atl’s Cool Touch technology, Equaliser technology for consistent pressure, and options for thermostatic valve calibration for personalized performance.

Cool Touch Technology Explained

The Mira Advance Atl incorporates innovative Cool Touch technology, a crucial safety feature designed to prevent scalding. This system ensures the exterior shower valve remains comfortably cool to the touch, even when the water is at a high temperature.

This is achieved through advanced thermal insulation within the valve body, effectively separating the hot water pathway from the external surface. Consequently, users, particularly children and the elderly, can confidently adjust the shower without risk of burns.

The Cool Touch feature doesn’t compromise performance; it simply adds an extra layer of safety. Regular checks are not required for this feature to function correctly, as it’s an inherent part of the valve’s design. It provides peace of mind, knowing that accidental contact with the valve won’t result in discomfort or injury.

Equaliser Technology – Consistent Pressure

Mira’s Equaliser technology is a key component of the Advance Atl, guaranteeing a consistently enjoyable shower experience, even with fluctuating water pressure in your home’s plumbing system. This intelligent system actively compensates for variations in incoming water supply.

It works by maintaining a stable flow rate, regardless of whether someone flushes a toilet or turns on another tap elsewhere in the house. The result is a shower that doesn’t suddenly become cold or lose power mid-use, providing uninterrupted comfort.

Equaliser technology doesn’t require any user intervention or adjustment; it operates automatically. It’s a significant benefit for households with multiple occupants or older plumbing systems prone to pressure drops, ensuring everyone enjoys a reliable and satisfying shower.

Thermostatic Valve Calibration

While the Mira Advance Atl thermostatic valve is pre-calibrated for optimal performance, occasional recalibration may be necessary to maintain precise temperature control, particularly after cartridge replacement or prolonged periods of inactivity. This process ensures the valve accurately mixes hot and cold water to deliver your desired temperature consistently.

Calibration typically involves adjusting a hidden screw or dial within the valve assembly, often requiring removal of the handle and faceplate. Refer to the detailed diagrams in the installation guide for precise location.

Carefully follow the step-by-step instructions, using a thermometer to verify the water temperature at the showerhead. Small adjustments are key; avoid drastic changes. Incorrect calibration can lead to scalding or uncomfortably cold water.

Technical Specifications

Detailed dimensions, weight, material composition, and any applicable power requirements for the Mira Advance Atl shower are listed here for reference.

Dimensions and Weight

Understanding the physical specifications of the Mira Advance Atl thermostatic shower is crucial for ensuring a proper fit within your bathroom space and for safe installation. The shower valve itself typically measures approximately 215mm in height, 165mm in width, and projects around 70mm from the wall.

These dimensions can vary slightly depending on the specific model and any additional components installed. The weight of the valve, without any connected hoses or showerhead, is generally around 2.5 kilograms. It’s important to consider these measurements when planning the shower’s placement, ensuring sufficient clearance around the valve for comfortable operation and maintenance access.

Always refer to the official Mira documentation for the most accurate and up-to-date dimensional and weight information specific to your particular Advance Atl model.

Material Composition

The Mira Advance Atl thermostatic shower is constructed using high-quality materials designed for durability and longevity within a humid bathroom environment. The primary body of the shower valve is typically crafted from durable brass, chosen for its corrosion resistance and ability to withstand high water pressures.

Key internal components, such as the thermostatic cartridge, often incorporate robust plastics and stainless steel to ensure smooth operation and prevent limescale build-up. The showerhead is commonly made from chrome-plated brass or high-impact ABS plastic, providing both aesthetic appeal and resistance to wear and tear.

Mira prioritizes material selection to guarantee product reliability and compliance with relevant industry standards, offering a shower that’s built to last.

Power Requirements (if applicable)

The standard Mira Advance Atl thermostatic shower valve itself does not require a direct electrical power supply for its core thermostatic mixing function. It operates entirely on water pressure, making it suitable for homes with limited electrical access in the bathroom. However, certain advanced models or features within the Advance Atl range may incorporate electrical components.

For example, if the shower includes features like digital temperature displays, integrated lighting, or smart home connectivity, a low-voltage power supply will be necessary. This typically requires connection to a dedicated, appropriately fused electrical circuit, adhering to local building regulations.

Always consult the specific model’s documentation for precise power requirements and ensure installation is performed by a qualified electrician.

Mira Customer Support & Warranty

Access dedicated support via phone, online resources, and FAQs for your Mira Advance Atl. Enjoy peace of mind with our comprehensive warranty coverage;

Contact Information

For immediate assistance with your Mira Advance Atl thermostatic shower, our dedicated customer support team is readily available. You can reach us through several convenient channels to address any queries or concerns you may have.

Firstly, our telephone support line is open during business hours, Monday to Friday, from 8:00 AM to 6:00 PM GMT. Please dial +44 (0) 1242 280000 to speak directly with a knowledgeable representative.

Alternatively, you can submit an online enquiry through our official website at mirashowers.com/support. Our team aims to respond to all online submissions within 24-48 hours. For frequently asked questions and helpful troubleshooting guides, please visit our comprehensive FAQ section also located on the website.

We are committed to providing exceptional customer service and ensuring your complete satisfaction with your Mira product.

Warranty Details

Your Mira Advance Atl thermostatic shower is covered by a comprehensive warranty, providing peace of mind and protection against manufacturing defects; The standard warranty period is five years from the date of purchase, covering all mechanical and electrical components of the shower valve and its associated parts.

This warranty covers repairs or replacements necessitated by faulty workmanship or materials. However, it does not extend to damage caused by incorrect installation, improper use, negligence, scale buildup, or general wear and tear.

To make a warranty claim, please retain your proof of purchase and contact our customer support team with details of the issue. We may require photographic evidence or a site visit to assess the claim. Full warranty terms and conditions are available on our website, mirashowers.com/warranty.

Frequently Asked Questions (FAQ)

Q: What if my shower isn’t maintaining a consistent temperature? A: Check for limescale buildup in the thermostatic cartridge and clean accordingly. Ensure water pressure is within the specified range.

Q: How do I reset the temperature limit? A: Locate the override button (refer to Operating Instructions) and adjust to your desired maximum temperature.

Q: My shower has low water pressure. What should I do? A: Verify that the inlet filters are clear of debris. Check the overall household water pressure and consult a plumber if necessary.

Q: Is the Mira Advance Atl compatible with all plumbing systems? A: It’s designed for balanced positive pressure systems. Unbalanced systems may require an adjuster. See Installation Guide for details.

Q: Where can I find replacement parts? A: Visit mirashowers.com or contact our customer support for authorized retailers.