Product Overview
The Mira Advance ATL is a low‑pressure, thermostatic electric shower offering 9.0 kW and 9.8 kW options. Its adjustable temperature limit protects against scalding, while the manual details installation, safety, and maintenance for reliable, efficient performance. Built for residential safety.!!!
Model Variants
The Mira Advance ATL series offers several distinct variants to suit different installation requirements and user preferences. The base 9.0 kW model delivers a robust flow rate while maintaining a lower power draw, making it ideal for smaller bathrooms or where the mains supply is limited. The 9.8 kW version provides a higher flow rate for larger households or commercial settings, and it can be paired with a dedicated high‑capacity boiler or a low‑pressure pump to ensure consistent performance. In addition to the power options, the line includes a Standard model with a fixed memory setting, a Memory model that stores the last used temperature limit via a simple dial. The Flex model allows the user to adjust the maximum temperature limit via a simple dial. The Standard Extra variant adds an integrated safety lock and a more robust housing to accommodate harsher environmental conditions. All variants share the same core thermostatic control unit, which is designed to prevent scalding by automatically limiting the maximum temperature to a user‑defined value. The units are available in a range of finishes, including chrome, brushed nickel, and matte black, to match contemporary bathroom décor. Installation instructions for each variant are provided in the accompanying manual, detailing the required electrical and plumbing connections, as well as safety precautions for proper operation. All models meet ISO 9001 CE safety standards, ensuring reliable performance and peace of mind forusers all. These variants comply with the latest European safety directives, ensuring consistent performance and confidence.!
Technical Specifications
Power: 9.0 kW/9.8 kW. Max temp: 60 °C. Flow: 12 L/min. Voltage: 230 V, 50 Hz. Weight: 8 kg. Dimensions: 280 mm × 120 mm × 60 mm. CE, ISO 9001 certified. Includes thermostatic control, safety lock, and low‑pressure pump. Designed for residential use. CE/ISO cert.
Power and Temperature Limits
Power: 9.0 kW or 9.8 kW, delivering a steady, adjustable flow of 12 L/min. The unit operates at 230 V, 50 Hz, and is rated for a maximum output temperature of 60 °C, ensuring safe, comfortable showers. Its thermostatic control automatically limits the temperature, preventing scalding and protecting users. The device weighs 8 kg and measures 280 mm × 120 mm × 60 mm, making it compact for most bathrooms. CE and ISO 9001 certificates confirm compliance with European safety and quality standards. A built‑in safety lock and a low‑pressure pump enhance reliability and user safety. The adjustable temperature limit can be set between 30 °C and 60 °C, giving flexibility for different users. The shower’s power rating is designed to handle typical domestic water pressures, while the low‑pressure pump ensures consistent flow even at lower supply pressures. The device’s robust construction and clear labeling aid in quick installation and maintenance. Users are advised to follow the manual’s temperature calibration instructions to maintain optimal performance and safety. For optimal operation, ensure the water supply pressure is within the recommended range of 0.5–1.5 bar. The shower’s low‑pressure pump compensates for lower pressures, but excessive pressure can damage the unit. Regularly inspect the thermostat for calibration and replace any worn seals to prevent leaks. The manual provides troubleshooting steps for faults such as flow or temperature control.
Safety Information
Use with electrician. Keep the unit dry; avoid water contact with electrical components. The shower’s thermostatic limit prevents scalding, but verify settings before use. Ensure grounding and disconnect power during maintenance. Follow all local codes!!!.
Scalding and Electrical Hazards
Despite its thermostatic safety feature, the Mira Advance ATL can deliver temperatures up to 60 °C, exceeding the 49 °C recommended limit. A sudden temperature rise can scald users, especially children or the elderly. Always verify the thermostat setting before use and never leave the shower unattended.
Electrical hazards arise from improper wiring or a damaged power cord. The unit must be installed by a qualified electrician on a dedicated circuit with proper grounding. A fault can cause electric shock or fire, so check all connections before first use.
Keep the unit’s exterior dry and avoid water contact during maintenance. Ensure the mounting surface is level and secure to prevent falls. Regularly inspect the thermostat and filter; clean the inlet filter to maintain performance and safety.
If the shower fails to heat, check power supply, thermostat, and filter. Contact authorized service for repairs.
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Installation Requirements
The Mira Advance ATL requires a dedicated 240 V circuit, 30 A breaker, and a 1.5 mm² cable. Install within 1 m of a 10 mm inlet pipe, ensuring a 50 mm clearance from walls. Grounding must meet IEC 60364, and the unit should be mounted on a stable surface.10 mm pipe
Electrical Supply and Environmental Conditions
The Mira Advance ATL requires a dedicated 240 V, 30 A circuit with a minimum 1.5 mm² copper cable and a solid‑earth connection that complies with IEC 60364. The circuit must be protected by a 30 A breaker or fuse and isolated from other low‑voltage loads. The unit needs a 10 mm inlet pipe and a 50 mm clearance from walls or fixtures. Install it in a ventilated area, away from sunlight and heat sources that could raise ambient temperature above 40 °C. The surrounding environment must stay below 70 % relative humidity to prevent condensation on the electronic board. Water supplied to the shower must be free of excessive hardness (≤ 200 ppm CaCO₃) and corrosive agents that could damage the thermostatic valve. The installation area should be dry, with 1 m² of floor space for the unit and maintenance access. All work must be performed by a qualified electrician and plumber to meet local regulations and safety standards. The unit should be positioned so that the hot water outlet is 1.5 m above the floor to avoid scalding hazards. The recommended ambient temperature for operation is 15 °C to 35 °C, and the unit should not be used where the temperature can exceed 45 °C for extended periods. Ventilation will help dissipate heat from the heating element, ensuring efficient operation and prolonging the lifespan of the thermostatic control; The installation must be completed before commissioning, and a final inspection should verify all connections, grounding, and that environmental conditions meet the specified limits. This ensures safe, reliable, and efficient performance of Mira Advance ATL shower system!!!!
Electrical Wiring Guide
Connect the Mira Advance ATL to a 240 V, 30 A circuit using 1.5 mm² copper cable. Route through a solid‑earth conduit, terminate with a 30 A breaker, and secure the unit. Follow local codes for safety.
Use a 30 A breaker, ensure cable, and check grounding now.
Wiring Diagram and Connections
The Mira Advance ATL requires a dedicated 240 V, 30 A circuit. Use a 1.5 mm² copper cable run from the consumer unit to the unit’s inlet. Connect the live (L) to the red terminal, neutral (N) to the blue terminal, and earth (E) to the green/amber terminal. The unit’s internal breaker must be a 30 A, 250 V, 3‑pole type, installed on the same circuit as the unit. Ensure all connections are tightened to the manufacturer’s torque specifications (12 Nm for terminal screws). The cable should be routed through a solid‑earth conduit, with a minimum bend radius of 3 cm, and secured every 2 m. The unit’s mounting bracket must be bolted to a solid wall or floor, and the mounting plate should be level to prevent water ingress. After installation, perform a continuity test between earth and the unit’s chassis, and verify that the circuit breaker trips within 1 s under a 2× rated fault. The wiring diagram is illustrated below, showing the live, neutral, and earth connections, as well as the fuse and protection points.
The wiring diagram includes a 30 A fuse on the live conductor, a 30 A circuit breaker, and a 3 mm² earth cable. The unit’s internal wiring uses 1.5 mm² cable for the live and neutral, with 1.5 mm² earth. All connections must be tightened to 12 Nm torque. The cable runs should be protected by a conduit with a minimum bend radius of 3 cm. After installation, a continuity test between earth and chassis should be performed, and the circuit breaker should trip within 1 s under a 2× fault. now!!
Plumbing Connection Guide
Use 1.5 mm² copper pipe, 1 in. nominal, rated 1.5 bar. Connect inlet to mains water, outlet to shower head. Ensure correct flow direction, use a check valve, and install a pressure‑reducing valve if supply exceeds 1.5 bar. Verify all joints with thread sealant.
Pipe Size and Pressure Ratings
The Mira Advance ATL requires a minimum pipe diameter of 1.5 mm² copper or equivalent, with a nominal 1 in. (25 mm) size for domestic supply. The system operates safely up to a maximum inlet pressure of 1.5 bar (21.8 psi). For installations where the mains pressure exceeds 1.5 bar, a pressure‑reducing valve (PRV) must be installed upstream to maintain the specified limit. The outlet pipe to the shower head should be 1 in. nominal, with a pressure rating of at least 1.5 bar to accommodate the shower’s flow rate of 9.0 kW or 9.8 kW. All fittings must be compatible with the copper material and rated for the same pressure. Use compression or soldered joints, ensuring no leaks. The recommended pipe length should not exceed 15 m (49 ft) without a booster to avoid pressure drop below 0.8 bar, which could reduce shower performance. Proper venting and isolation valves are also required as per local plumbing codes. This configuration guarantees optimal temperature control, flow consistency, and compliance with safety standards for the Mira Advance ATL thermostatic electric shower.
Installation must follow local regulations, including a minimum 150 mm clearance from walls and a 30 mm gap for maintenance. The PRV should be positioned within 1 m of the shower unit, and all fittings must be tightened to the manufacturer’s torque specifications. A pressure gauge is recommended for monitoring. Ensure all connections are leak‑tested. Check pressure gauge OK
Thermostat Operation
The Mira Advance ATL thermostat automatically adjusts water temperature to a preset limit, preventing scalding. Set the desired temperature via the dial; the unit cycles the heating element to maintain it. It offers a 0.5 °C tolerance and a safety cut‑off at 60 °C. Calibrates in 2 s for quick!!!
Temperature Calibration and Limits
The Mira Advance ATL’s thermostatic control is calibrated to maintain a user‑selected temperature setpoint with a ±0.5 °C tolerance. To calibrate, first ensure the unit is powered and the water supply is at the recommended pressure (≤ 1.5 bar). Turn the temperature dial to the desired setting, then allow the shower to reach steady state for at least 30 s. The internal temperature sensor will automatically adjust the heating element’s duty cycle to keep the output within the set limit. The maximum safe temperature is capped at 60 °C to prevent scalding; any attempt to exceed this limit triggers an automatic shut‑off. For 9.0 kW models, the thermostat can handle a maximum inlet temperature of 45 °C, while 9.8 kW units allow up to 50 °C. Calibration should be verified annually or after any significant change in water pressure. If the display shows a temperature deviation of more than 1 °C, consult the troubleshooting section or contact service. The thermostat’s firmware stores calibration data in non‑volatile memory, ensuring consistency across power cycles. Proper calibration guarantees user safety, energy efficiency, and compliance with local electrical and plumbing codes.!!! The manual also details routine checks, cleaning schedules, and component replacement intervals to maintain peak performance and prolong the shower’s life. Users should adhere to the manufacturer’s maintenance plan and keep firmware current for safety updates. and firmware updates.!
Maintenance and Troubleshooting
Check the filter monthly, replace if clogged. Inspect wiring for corrosion; tighten connections. If the shower fails to heat, verify power supply and thermostat setpoint. Replace thermostat or contact Mira support. Follow safety lockout before service. Check.OK
Common Issues and Spare Parts
Users often report a sudden drop in temperature, a persistent “no heat” error, or a flashing LED indicating a fault. Common root causes include a clogged filter, a failed thermostat module, low water pressure, or a shorted power cord. Manual recommends inspecting the filter cartridge first; replace it with the Mira‑specific 1.5 mm filter (part #FTR‑01). If temperature sensor (part #TS‑02) fails, shower will default to a safe low setting. Electrical faults are usually isolated to the power cord (part #PC‑03) or the internal fuse (part #FU‑04). For pressure issues, replace the inlet valve (part #IV‑05) or the pressure relief valve (part #PR‑06). Thermostat module (part #TM‑07) can be swapped if display shows a calibration error.
The manual advises inspecting the water inlet for sediment buildup and verifying that the pressure regulator is set to the manufacturers range of 0.7–1.5 bar. Regulator prevents damage to shower head. Store spare parts dry. Check the filter monthly and replace if clogged. Verify sup voltage is within 220–240 V!