Mira Sprint 8.5 Installation, Operation, Maintenance Manual

Mira Sprint 8.5 Installation, Operation, Maintenance Manual

Electric showers

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ELECTRIC SHOWERS
Installation
Operation
&B
Maintenance Guide
THESE INSTRUCTIONS ARE TO BE LEFT WITH THE USER
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Summarization of Contents

Important Safety Information
Mira Sprint Earthing Requirement
Ensure the Mira Sprint is permanently connected to the fixed electrical wiring of the mains system.
Safety Conditions and Actions
Isolate supplies and refer to contact details if cover is damaged, unit makes odd noise, or shows performance change.
Important Safety Information
Cautions and General Advice
Read instructions, retain guide, pass on ownership, follow warnings and internal instructions.
Electrical Installation Compliance
Installation must comply with BS 7671 and local electricity supply company regulations.
Plumbing Installation Compliance
Plumbing installation must comply with UK Water Regulations/Byelaws, BS 6700, and building regulations.
Important Safety Information
User Assistance and Supervision
Users with difficulty understanding controls should be attended, especially the young, elderly, or infirm.
Product Disposal
Dispose of the Mira Sprint in a safe manner according to local authority recycling or waste disposal policy.
Pack Contents Checklist
Documentation Included
Check for the Installation, Operation and Maintenance Guide, Installation Template, and Customer Support Brochure.
Product Specifications
Plumbing Specifications
Details minimum and maximum inlet pressures for satisfactory operation and flow valve closure.
Electrical Specifications
Specifies the required fuse rating and maximum cable size for the terminal block.
Standards and Approvals
Confirms compliance with relevant directives for EC marking.
Installation Requirements
Plumbing Installation Requirements
Covers inlet pressure, water supply connection from mains or cistern, and shower area positioning.
Hard Water Area Considerations
Advises on water treatment devices for hard water areas to prevent limescale, not covered by warranty.
Hose Retaining Ring and Backflow Prevention
Explains the use of a hose retaining ring or outlet double checkvalve for backflow prevention.
Installation Requirements
Electrical Installation Requirements
Details supply rating, RCD requirement, earthing, supplementary bonding, and cable sizing.
Electrical Cable Length Guidelines
Provides maximum permissible cable lengths for 6mm² cable based on power rating and voltage drop.
RCD Protection Requirement
A 30 mA residual current device (RCD) is required for safety, either integrated or separate.
Dedicated Supply and Double-Pole Switch
Requires a permanently connected supply via a double-pole switch with at least 3mm contact separation.
Installation Guide
Mira Sprint Installation Steps
Step-by-step instructions for mounting and connecting the Mira Sprint shower unit.
Installation Guide
Securing the Mira Sprint Unit
Instructions for drilling holes and securing the shower unit to the wall using provided screws.
Installation Guide
Electrical Connections and Earthing
Details connecting conductors to the terminal block, fitting earth sleeves, and ensuring secure connections.
Commissioning Procedure
Mira Sprint Commissioning Steps
Guide to initial setup, testing controls, water flow, and temperature regulation.
Commissioning Procedure
Testing Medium Power Setting
Verifies the medium power setting by checking for a slight rise in water temperature.
Testing High Power Setting
Verifies the high power setting by checking for a further rise in water temperature.
Adjusting Shower Temperature
Instructions on how to adjust the water temperature using the bottom knob, noting flow rate changes.
Stopping the Shower and Power Isolation
Guide to stopping the shower flow and isolating the power supply after use.
User Operation Guide
General Operation Advice
Explains how electric showers work, temperature adjustment, and factors affecting performance.
User Operation Guide
Mira Sprint Operation Details
Specific instructions for operating the Mira Sprint, including spray plate cleaning and power/temperature controls.
Adjusting Temperature and Flow
How to adjust temperature and flow using the bottom knob, noting clockwise for hotter/less flow and anticlockwise for cooler/more flow.
Turning Off the Shower
Instructions on how to stop the shower flow using the STOP button and the subsequent purging of water.
Maintenance Guide
General Maintenance Information
Emphasizes that maintenance should be performed by a competent tradesperson and that there are no user-serviceable parts.
Cleaning Instructions
How to clean the shower fittings using mild detergent and a soft cloth, avoiding abrasives.
Flow Valve and Switch Assembly Maintenance
Detailed steps for removing and installing the flow valve and switch assembly.
Maintenance Guide
Heater Tank Removal and Installation
Step-by-step guide for removing and installing the heater tank, including electrical connections and thermal switch.
Maintenance Guide
Thermal Switch Removal and Installation
Instructions for removing and installing the thermal switch, with a caution about pressing the component.
Maintenance Guide
Inlet Filter Replacement
Steps for replacing the inlet filter, involving disassembly and reassembly of related components.
Fault Diagnosis Guide
Troubleshooting: Low Water Flow Rate
Identifies causes and remedies for no water or low flow rate, such as blocked sprayplate or valves.
Troubleshooting: Temperature Cycling
Addresses shower temperature cycling by adjusting the temperature knob to manage water flow and temperature.
Fault Diagnosis Guide
Troubleshooting: Cool Shower in Summer
Explains that high incoming water temperature may require setting the TOP knob to MEDIUM.
Troubleshooting: Temperature Knob Ineffective
Suggests cleaning the handset sprayplate if the temperature knob has little or no effect on water temperature.
Customer Service
Product Guarantee
Details the one-year warranty, conditions for repair/replacement, and that statutory rights are unaffected.
After Sales Service and Support
Explains the availability of expert staff and customer services for assistance with difficulties.
Spare Parts Availability and Ordering
Information on stocking of functional parts for ten years, despatch times, and payment methods.
Customer Care Policy
Advice on checking simple home maintenance first if the product does not function correctly after installation.
Contact Information
Provides telephone, fax, and postal contact details for customer service in England, Wales, Scotland, Northern Ireland, and Eire.

Table of Contents