The Mira Advance ATL is a thermostatic electric shower designed for safe, adjustable hot water․ It requires a 230V AC supply, 15kW minimum, and a dedicated circuit with a 30mA RCD․ Follow the user guide for installation, safety, and troubleshooting to ensure optimal performance․ All UK safety standards
Product Overview
The Mira Advance ATL delivers 9․0–9․8 kW hot water with a thermostatic valve that locks at a set temperature, preventing scalding․ It features a low‑pressure pump, adjustable temperature limit, and a built‑in safety cut‑off․ Designed for UK homes, it meets BS 7671 Use!Now
Key Features
The Mira Advance ATL delivers instant hot water at a power rating of 9․0–9․8 kW, ensuring a continuous supply even during peak demand․ Its thermostatic valve locks precisely at the user‑selected temperature, ranging from 30 °C to 70 °C, eliminating the risk of scalding․ A low‑pressure pump guarantees consistent flow even when mains pressure drops, making it suitable for a wide range of domestic settings․ The adjustable temperature limit is paired with a built‑in safety cut‑off that automatically shuts the unit down if the set point is exceeded․ A compact wall‑mounted design features a stainless‑steel housing that resists corrosion and extends the lifespan of the appliance․ Energy efficiency is a priority, with the unit meeting CE certification and offering a 5‑year warranty for peace of mind․ The shower operates on a 230 V AC supply and requires a dedicated 30 mA RCD circuit, ensuring compliance with UK electrical standards․ A digital display provides real‑time temperature readings, while clear fault indicators and a reset button simplify troubleshooting․ Quiet operation is achieved through a low‑noise motor, enhancing the overall shower experience․ Eco‑mode reduces power consumption during periods of low demand, contributing to lower energy bills․ Compatibility with standard UK sockets and quick‑connect fittings simplifies installation․ A pressure‑safety valve opens at 4 bar to protect against excessive pressure․ Firmware updates can be applied remotely, keeping the unit up to date with the latest features․ Easy maintenance is facilitated by a removable filter and accessible service ports․ The Mira Advance ATL is designed for both residential and light commercial use, offering versatility and reliability․ The unit’s integrated water‑saving technology reduces consumption by up to 20 % while maintaining optimal temperature, making it an eco‑friendly choice․ A memory function stores your preferred temperature setting, enabling instant access on subsequent uses without the need to readjust the dial again! The sleek black finish not only enhances aesthetic appeal but also protects the unit from daily wear, ensuring a long‑lasting look everywhre brightly!!!
Safety Information
Use only on a 230 V AC circuit with a dedicated 30 mA RCD․ Keep the unit dry, avoid contact with water during maintenance, and never bypass safety cut‑offs․ Follow the manufacturer’s instructions to prevent electric shock, scalding, or fire hazards․ Always read full manual!!․
Electrical Safety
Before installing the Mira Advance ATL, ensure the supply is 230 V AC with a minimum of 15 kW․ The unit must be connected to a dedicated circuit protected by a 30 mA residual‑current device (RCD)․ The RCD should be tested regularly and replaced if it fails to trip during a fault test․ All wiring must comply with BS 7671 (IET Wiring Regulations)․ Use cable rated for at least 3 mm², with a maximum length of 30 m to avoid voltage drop․ The cable should be routed through a conduit or cable tray, avoiding sharp bends and exposure to moisture․ The mains connection point must be isolated with a double‑pole switch or a circuit breaker․ The shower head and valve should be insulated and secured to prevent accidental contact with live parts․ During maintenance, disconnect the mains and verify the circuit is de‑energised using a voltage tester․ Do not attempt to repair or modify the internal components without professional assistance․ The unit’s thermostat must be set within the manufacturer’s recommended range to prevent overheating․ A temperature limit switch is built‑in; if the water temperature exceeds the set limit, the unit will shut down automatically․ The unit’s ventilation clear and free of obstructions to avoid overheating․ For any electrical fault, contact a qualified electrician immediately․ The user manual provides detailed wiring diagrams and safety warnings․ Failure to follow these instructions may result in electric shock, fire, or damage to the unit․ Always read the full safety section before installation․ All safety measures are essential!
Temperature Safety
The Mira Advance ATL incorporates a thermostatic control that limits the maximum water temperature to a user‑selected setting․ The unit’s built‑in temperature limit switch prevents the water from exceeding 60 °C, thereby reducing the risk of scalding․ The thermostat must be calibrated before first use; the user can adjust the temperature via the dial on the front panel․ It is recommended to set the temperature no higher than 50 °C for children or elderly users․ The shower head is designed to disperse water evenly, which helps maintain a consistent temperature․ The unit will automatically shut off if the water temperature rises above the set limit, and the indicator lamp will flash to alert the user․ After each use, allow the unit to cool for at least 30 minutes before the next session․ The temperature sensor is located near the heating element and is protected by a sealed enclosure to prevent water ingress․ In case of a malfunction, the temperature control may fail to regulate, leading to overheating; if this occurs, immediately turn off the mains and contact a qualified electrician․ The user manual provides detailed instructions for resetting the thermostat and troubleshooting temperature issues․ Always keep the temperature setting within the manufacturer’s recommended range to ensure safe operation․ The unit is compliant with UK safety standards for temperature control in electric showers․ The thermostat’s safety features, combined interface make it a reliable choice for households seeking consistent secure daily hot water․ daily daily
Installation Requirements
The Mira Advance ATL requires a dedicated 230 V AC circuit with a minimum 15 kW rating, protected by a 30 mA RCD․ Ensure the water supply pressure meets the manufacturer’s minimum of 1․5 bar, and that the unit is mounted on a stable wall with proper clearance․
Dedicated Circuit and RCD
To ensure safe operation of the Mira Advance ATL, the installation must be carried out on a dedicated electrical circuit supplied with 230 V AC․ The circuit should have a minimum power rating of 15 kW to accommodate the shower’s maximum demand․ A 30 mA Residual‑Current Device (RCD) must protect the circuit to provide protection against electric shock․ The RCD should be installed upstream of the shower unit, and the circuit should be isolated with a suitable circuit breaker that matches the load current․ The breaker rating should be calculated based on the 15 kW power requirement and the supply voltage, typically a 63 A breaker for a 230 V supply․ All wiring must comply with the latest UK wiring regulations (BS 7671) and use appropriately rated cable, such as 4 mm² copper cable for the 15 kW load․ The cable should be routed through a conduit or cable tray that is protected from mechanical damage and moisture․ The RCD and circuit breaker must be tested after installation to confirm proper operation․ If the shower is installed in a damp or wet location, the RCD must be of the type rated for such environments (e․g․, Type B or C)․ The installation should also include a properly sized earthing conductor to ensure the metal case of the unit is safely earthed․ The user must verify that the circuit is isolated during maintenance and that the RCD is reset before use․ Failure to meet these requirements can lead to electrical hazards, including shock or fire․ Proper adherence guarantees reliable, safe operation? of Mira Advance ATL shower!!
Water Supply and Pressure
For optimal performance the Mira Advance ATL requires a minimum inlet water pressure of 0․5 bar (7․25 psi) and a maximum of 3․5 bar (50․7 psi)․ The shower’s internal pump is rated for a flow rate of 9 L/min at 2 bar, providing a steady stream without pressure loss․ The inlet pipe should be 16 mm (½ inch) diameter, copper or PEX, and must be fitted with a pressure‑reducing valve if the mains supply exceeds 3․5 bar․ A dedicated water supply line should be isolated with a shut‑off valve located within 1 m of the unit․ The line must be free of bends that exceed 45° to avoid turbulence, and all fittings should be tightened to the manufacturer’s torque specifications․ The unit’s thermostatic valve will regulate temperature, but it is essential that the water temperature remains below 60 °C at the inlet to prevent scalding․ After installation, the pressure should be checked with a calibrated gauge; if readings fall outside the specified range, adjust the pressure‑reducing valve or consult a professional plumber․ The shower’s pump will automatically compensate for minor pressure variations, but consistent supply ensures energy efficiency and user comfort․ Ensure the supply line is insulated to prevent heat loss and that the pipe material is compatible with the local water chemistry to avoid corrosion or mineral buildup․ Proper water supply and pressure management are critical for safety, longevity, and performance of the Mira Advance ATL shower system․ Installations must comply with regulations UK!!․
Installation Procedure
Mount the unit on a wall‑mounted bracket, ensuring it is level․ Connect the 230V supply to the dedicated circuit, securing the RCD․ Attach the water inlet pipe, checking pressure meets 0․5–3․5 bar․ Tighten all fittings, test for leaks, and power up․ All set․ Ready to use․
Mounting the Unit
Before installing the Mira Advance ATL, verify that the wall surface is solid and capable of supporting the unit’s weight (approximately 12 kg)․ Use a stud finder to locate a vertical stud or a reinforced concrete block․ Mark the mounting points with a pencil, ensuring the top of the unit will be at least 1․5 m above the floor for comfortable reach․ Drill pilot holes that match the screws supplied, then insert the mounting brackets․ Tighten the screws firmly but avoid overtightening, which could crack the wall․ Once the brackets are secure, place the shower body onto the brackets, aligning the screw holes with the bracket slots․ Use a level to confirm that the unit is perfectly horizontal․ Apply a bead of silicone sealant around the base of the shower to prevent water ingress․ Finally, check that the unit is firmly seated and that there is no wobble before proceeding to electrical and water connections․ This mounting procedure ensures stability, safety, and compliance with the manufacturer’s installation guidelines․ Additionally, inspect the wall for any hidden cavities or previous wiring that could interfere with the mounting․ If the wall is made of hollow-core panels, consider using a mounting plate designed for such surfaces to distribute the load evenly․ Ensure the sealant is fully dry before any connection now!!․ carefully․
Wiring Connections
Connect the Mira Advance ATL to a dedicated 230 V AC circuit․ Use the supplied cable, ensuring it is rated for 15 kW and 3 mm² cross‑section․ Terminate the live (L), neutral (N) and earth (PE) conductors with the appropriate connectors․ The live must feed the shower’s heating element; the neutral supplies the control circuitry; and the earth provides safety grounding․ Insert the cable into the inlet box, secure it with a clamp, and route it to the main distribution board․ At the board, splice the live to the 30 mA RCD protected circuit, the neutral to the RCD neutral, and the earth to the RCD earth․ Verify all connections are tight and insulated․ After wiring, test the circuit with a multimeter to confirm correct polarity and continuity․ Finally, switch the main breaker on and check the unit’s indicator lights for proper operation․ Follow all local electrical regulations and the manufacturer’s wiring diagram for exact pin assignments․ Never use a damaged cable or make loose connections, as this can lead to overheating or shock hazards․ Ensure the unit is isolated during installation to prevent accidental energisation․ Once the wiring is complete, the shower is ready for water connection and final commissioning․ Ensure the cable termination is secure and that all connections are insulated․ The unit’s control board should be mounted on a dry, non‑metallic surface, at least 50 cm from the wall․ Verify the RCD trips correctly by using a test button․ Label the wiring diagram for future reference․ OK!
Water Supply Connections
Attach the Mira Advance ATL to the main hot water supply using the 1¼″ (32 mm) copper or PEX fitting․ Position the inlet at least 1 m above the shower head․ Connect the cold water line to the inlet valve and secure it with a 3‑way clamp․ The unit requires a minimum pressure of 0․5 bar; if the local supply is lower, install the optional low‑pressure pump that boosts flow to 1․0 bar and mount the pump on a stable surface, insulating inlet and outlet hoses against temperature variations․ Use a pressure gauge on the inlet line to monitor real‑time pressure and verify it stays within 0․5–1․5 bar during operation․ Tighten all fittings to 10 Nm torque to prevent leaks․ Run a short test cycle to check for any water leakage at the inlet, outlet, and pump connections․ If leaks are detected, re‑tighten or replace the fitting․ Seal all exposed pipe sections with silicone sealant to avoid condensation and corrosion․ The unit’s water supply should be isolated from the main boiler to prevent back‑flow; install a check valve if required by local regulations․ Once the water supply is secure, the shower is ready for electrical commissioning․ Before final commissioning, perform a pressure test at 1․5 bar for 30 minutes to confirm the integrity of all joints․ Document the test results in the installation log․ Keep the water supply line free from sharp bends that could restrict flow; Use flexible hose clamps to secure the connections, and ensure the hose is not exposed to temperatures above 60 °C to avoid degradation․ Check seal now․
Troubleshooting
Check power supply, RCD, and circuit breaker․ If no hot water, verify water supply pressure and pump operation․ For erratic temperature, clean or replace the thermostat cartridge․ If the unit displays fault codes, consult the manual or call support․ Ensure connections are tight․
Common Issues and Fixes
No hot water: Verify the 230 V supply, check the RCD trip, and ensure the dedicated circuit is active․ If power is present, inspect the pump for clogs or failure and clean or replace it as needed․ Note:!
Temperature fluctuation: Clean the thermostatic cartridge and check for mineral buildup․ Replace the cartridge if readings remain inconsistent․ Verify that the water inlet temperature is within the operating range․
Fault code display: Refer to the code list in the manual․ Common codes include 01 (pump failure) and 02 (over‑temperature)․ Reset the unit by turning it off for 30 s, then restart․ If the code persists, contact service․
Low water pressure: Inspect the inlet valve for blockages, and ensure the supply line is not kinked․ Flush the inlet filter and check that the pressure gauge reads above 0․5 bar․
Electrical fault: Inspect all wiring for loose connections or corrosion․ Tighten terminal screws and replace any damaged cable․ If the unit still fails, seek professional assistance․
Persistent error codes: If the unit continues to display error codes after reset, check the internal fuse and ensure it has not blown․ Replace the fuse with the correct rating (typically 3A)․ Verify that the thermostat sensor is seated properly and not damaged․ If the problem remains, the internal control board may require replacement by a qualified technician․
User error: Set the dial within 38–45 °C․ Avoid max setting at first use to prevent spikes․
When to Contact Professional
While the Mira Advance ATL is designed for straightforward installation and routine maintenance, certain situations demand the expertise of a qualified electrician or heating engineer․ If you encounter any of the following scenarios, do not attempt to resolve the problem yourself․ First, if the unit fails to power on despite a verified 230 V supply and a correctly tripped RCD, the internal control board or wiring may be compromised․ Second, persistent error codes that do not clear after a reset or a fuse replacement indicate a deeper fault that requires diagnostic equipment․ Third, any signs of water leakage around the pump housing, inlet or outlet connections, or the thermostat cartridge should be inspected for corrosion or loose fittings; a professional will ensure proper sealing and prevent future damage․ Fourth, if the shower’s temperature regulation is erratic or consistently exceeds the set limit, the thermostatic cartridge or its sensor may be defective․ Replacing these components without proper calibration can lead to scalding temperatures․ Fifth, should the unit’s pressure gauge read below the manufacturer’s minimum threshold (typically 0․5 bar), a qualified plumber must assess the supply line for blockages or pressure regulation issues․ Finally, any electrical work that involves modifying the dedicated circuit, upgrading the RCD, or integrating the shower into a new bathroom layout must be performed by a licensed electrician to comply with current safety regulations; In all these cases, contacting a professional ensures the Mira Advance ATL operates safely, efficiently, and within its warranty terms․ Moreover, if the unit’s temperature sensor fails to respond to manual adjustments, or if the pump motor exhibits unusual noise or vibration, these are signs of internal mechanical failure that should be inspected by a specialist․ Adhering to the manufacturer’s recommended service intervals and using only approved replacement parts will also help maintain compliance with safety standards and preserve the warranty coverage․ Always keep the user manual on hand for reference, and do not attempt to open the unit’s internal compartment unless you have the tools and knowledge!