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Summary of Contents for Mira Enduro
- Page 1 SHOWER PUMP Installation & User Guide THESE INSTRUCTIONS ARE TO BE LEFT WITH THE USER...
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Page 2: Table Of Contents
INDEX IMPORTANT SAFETY INFORMATION INTRODUCTION DESCRIPTION OPERATION PACK CONTENTS DIMENSIONS SPECIFICATIONS Weight Ambient Temperature Electrical Water Standards and Approvals Plumbing Connections INSTALLATION General Procedure COMMISSIONING FAULT DIAGNOSIS MAINTENANCE General Storage DECLARATION OF CONFORMITY SPARE PARTS Spare Parts List Spare Parts Diagram CUSTOMER CARE Back Cover... -
Page 3: Important Safety Information
Make sure that any pipework that could become frozen is properly insulated. 1.4. DO NOT operate the Mira Enduro if it is frozen. Allow the Mira Enduro to thaw before using again. 1.5. DO NOT operate the Mira Enduro if water leaks from the unit, maintenance will be required before the Mira Enduro can be safely used. - Page 4 2.9. When the Mira Enduro has reached the end of its serviceable life, it should be disposed of in a safe manner, in accordance with current local authority recycling,...
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Page 5: Introduction
INTRODUCTION Thank you for purchasing a quality Mira product. To enjoy the full potential of your new product, please take time to read this guide thoroughly, having done so, keep it safe for future reference. DESCRIPTION The Mira Enduro twin impeller regenerative pump is designed to receive a hot and cold gravity supply and provide a pressurised hot and cold supply to a mixing valve, refer to Figure 2. -
Page 6: Operation
PACK CONTENTS Examine the contents of the pack and tick the appropriate boxes to familiarise yourself with the part names and to confirm that all parts are included. 1 x Mira Enduro Pump 4 x Flexible Hoses Documentation 4 x Fibre Washer... -
Page 7: Dimensions
DIMENSIONS All dimensions are nominal and in millimetres Figure 1... -
Page 8: Specifications
4.3. Inlet Pressure - Minimum inlet static pressure 0.1 bar must be maintained at all times. Maximum static inlet pressure 1.4 bar Standards and Approvals The Mira Enduro complies with all relevant directives for CE marking. -
Page 9: Plumbing Connections
FLOW (l/min) Mira Enduro Shower Pump Performance Graph Plumbing Connections 6.1. Inlet and outlet - Kohler Mira recommend only the use of their 22 mm flexible hoses. The hose is fitted with plastic push-in connectors on one end, which must only be connected with the following: a) 22 mm diameter copper pipe to BS EN 1057-R250 (half hard) - Table 3. -
Page 10: Installation
INSTALLATION Key to symbols used in the system layouts: Check Valve Servicing Valve Pressure Switch Mixing Valve Pressure Accumulator Float Type Automatic Air Vent (Bottle Valve) Float Operated Valve Shower Handset Fixed Shower Head Domestic Hot Water 15 mm Diameter Pipe 22 mm Diameter Pipe Plumbing Installation must be carried out in accordance with these instructions, and must be... - Page 11 Warning Pipe (Overflow) Cistern Cold Feed to DHW Cylinder Mixing Valve Feed Minimum 1.5 m with other simultaneous hot water services 90° 30 to 60° Air Separation Connections Pump Other Hot Water Services System Layout for Mira Enduro Pump Figure 2...
- Page 12 Cistern Mixing Valve Pump System Layout for Mira Enduro Pump Figure 3 Cistern Pump Mixing Valve System Layout for Mira Enduro Pump Figure 4...
- Page 13 14. Do not rigidly secure pump unit to the mounting surface. 15. Install inlet and outlet pipework to meet pump flexible hoses, flush through pipework fully before connecting to pump, and then complete plumbing installation. Cistern Pump Mixing Valve Unsuitable Layout for Mira Enduro Pump Figure 5...
- Page 14 Cistern Mixing Valve Pump Unsuitable Layout for Mira Enduro Pump Figure 6 Cistern Pump Mixing Valve Unsuitable Layout for Mira Enduro Pump Figure 7...
- Page 15 Plumbing - push-in connectors Do not use stainless steel, chrome or nickel plated pipe with the flexible hose push-in plumbing connections. Do not introduce solder flux into the joint or surrounding area, as plastics will be attacked and may fail. All solder joints should be completed before final connection to push-in connections, on the flexible hose.
- Page 16 Electrical Before starting work on the electrical installation, ensure that the power supply is isolated. Cable selection and corresponding fuse size should be chosen in accordance with the current involved and surrounding conditions. All electrical installation work should be carried out by a competent person The unit is fitted with 1.3 metres of supply cable.
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Page 17: Commissioning
COMMISSIONING Commissioning must be carried out in accordance with these instructions, and must be conducted by designated, qualified and competent personnel. Ensure pump is isolated electrically. Ensure that all isolating valves are fully open and pump chamber is flooded. Open an outlet (e.g. shower control). Water should flow from outlet under pressure of gravity. -
Page 18: Fault Diagnosis
FAULT DIAGNOSIS Symptom Rectification Cause (a) No power. 1. Pump does 1. Check all fuses and RCD. Ensure not start. power is available at pump terminal box. If fuse "blows" repeatedly, refer to 6(b). (b) No/low flow 1. Clean shower heads, ensure flow through controls are operating correctly. - Page 19 Symptom Rectification Cause 3. Pumped (a) Water supply 1. Check that hot and cold storage flow/ fault. volumes are sufficient for demand. pressure is 2. Check that all supply strainers initially (including mixing valve) are clean. adequate, 3. Pipework configuration and/or water but reduces supply conditions are allowing air after short...
- Page 20 - test continuity of motor windings. (continued) If no continuity, short-circuit exists in windings (non-serviceable assembly). Renew Mira Enduro pump. If no free movement:- - refer to 4(b). - probable motor bearing failure (non- serviceable assembly). Renew Mira Enduro pump.
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Page 21: Maintenance
Components are precision-made, so care must be taken during servicing to avoid damage. When ordering spare parts, please state product type, i.e. Mira Enduro, and identify part name and number (refer to PARTS LIST). Regular (preventative) maintenance is not required. -
Page 22: Spare Parts
SPARE PARTS Spare Parts List 465.01 'O' Seal Pack - including Mechanical Seal (components identified 'A') 465.02 Flow Switch Module 465.03 Flow Switch Mechanism 465.04 Flexible Hose Assembly 465.05 Rubber Feet 465.06 Screw Pack (not illustrated) 465.07 PCB (not illustrated) 465.08 Impeller Assembly 465.09... -
Page 23: Spare Parts Diagram
Spare Parts Diagram 465.11 465.09 465.03 872.56 465.02 465.04 465.05 465.08... - Page 24 Note! In the interests of safety, spares requiring exposure to mains voltages can only be sent to competent persons. To be free of charge, service work must only be undertaken by Mira Showers or our approved agents in Northern Ireland and Republic of Service Ireland.
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