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Summary of Contents for Mira Orbis
- Page 1 Mira Orbis Thermostatic Electric Shower Installation and User Guide These instructions are to be left with the user...
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Page 2: Table Of Contents
Warning! ....................4 Caution! ....................5 Pack.Contents.Checklist................. 6 Specifications................... 7 Installation.Requirements............... 7 Installation....................10 Installation of Mira Orbis ..............0 Commissioning..................14 User.Instructions..................16 Clock Setting ..................0 Fault.Diagnosis..................22 Heater Settings ................... Maintenance.................... 26 Handset - Cleaning ................ -
Page 3: Introduction
The Mira Orbis comes complete with a set of Mira Energise Shower Fittings. Mira.Orbis.9.0.kW A 9.0 kW 240 V AC (8.2 kW 230 V AC) heater with Mira Energise adjustable spray handset with four different spray actions (start, soothe, force and eco*). Supplied complete with flexible hose, clamp bracket assembly, slide bar, supports, hose retaining ring and soap dish. -
Page 4: Important.safety.information
DO.NOT fit any form of outlet control (e.g. Trigger handset) as the outlet acts as a vent for the tank body. Only Mira recommended outlet fittings should be used. 10. Make sure all electrical connections are tight, to prevent overheating. -
Page 5: Caution
Caution! Read all of these instructions and retain this guide for later use. The electrical installation must comply to “BS 767 - Requirements for Electrical Installations”, commonly referred to as the IEE Wiring Regulations - Part 7, or any particular regulations and practices, specified by the local electricity supply company. -
Page 6: Pack.contents.checklist
Pack.Contents.Checklist Tick the appropriate boxes to familiarise yourself with the part names and to confirm that the parts are included. Mira.Orbis 1 x Mira Orbis 1 x Olive 1 x Compression Nut 3 x Fixing Screws 3 x Wall Plugs... -
Page 7: Specifications
Minimum static pressure 0 kPa (0. bar) to keep the inlet valve closed. 2..Electrical • The Mira Orbis 9.0 kW requires a 40 Amp circuit protection device. • The Mira Orbis 9.8 kW requires a 45 Amp circuit protection device. - Page 8 However, there will be occasions when it will not provide a suitable solution. In these instances an outlet double checkvalve, e.g. a Mira DCV-H, must be fitted. This will increase the required supply pressure typically by 0.1 bar (see section “Accessories”).
- Page 9 • In a domestic installation, the rating of the electricity supplier’s fuse and the consumer unit must be adequate for the additional demand. All Mira electric showers are high power units, it is essential to contact your electricity supplier to ensure that the supply is adequate for the product. Voltage drop due to local heavy demand will reduce the shower’s performance.
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Page 10: Installation
Installation Installation.of.Mira.Orbis Warning! Turn off the electrical and water supplies before proceeding with the installation of the Mira Orbis. The electricity must be turned off at the mains and the appropriate circuit fuse removed, if applicable. Note! An installation template is supplied to help you install the Mira Orbis. - Page 11 Make sure that sufficient electrical supply cable is available for connection to the terminal block. Drill and plug the top two fixing holes. Secure the Mira Orbis to the wall with the screws provided. Drill the bottom fixing hole with the product in place. Alternative fixings (not supplied) may be necessary for some wall structures.
- Page 12 Feed cable into Case. Fit Earth sleeve (not supplied) and strip insulation. Do not twist cable cores. Important! Make sure that the inlet earth wire is routed as shown. Failure to do so may cause product malfunction. L = BROWN E = GREEN/YELLOW Firmly connect the conductors.
- Page 13 Holes For Cover Retaining Screws Case Insert Fixing Screw Terminal Block Heater Tank Electrical Supply Cable Inlet Connector Assembly Cold Water Supply Service Tunnel Pipe (Bottom Entry)
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Page 14: Commissioning
Commissioning If you are unsure how an electric shower works, please read through the User. Instructions section before continuing. Note! The temperature display throughout this guide will depend upon inlet supply conditions and product settings. Electrical supply is turned Turn control to full cold. Turn the water supply off at the mains. - Page 15 0 - 0 Secs Press the ‘Medium’ button, Turn control to full cold. The temperature will rise light on the button comes slightly as indicated by the temperature indicator. 5 - 0 Secs The flow rate will increase. Press the ‘High’ button, light on the button comes Press STOP button, light on the temperature indicator dims to standby...
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Page 16: User.instructions
Residual water may drain over a its tank for a few seconds. few minutes. Note!.A slight hissing sound may be heard from the Mira Orbis during operation. High mains water pressure and high shower temperatures will affect the tone. This is quite normal in use. - Page 17 The.Effect.of.Seasonal.Changes For a cold shower select ‘Low’. For a summer warm shower select ‘Medium’. For a winter warm shower select ‘High’. During extremes of mains water supply temperature, adjust heater setting to obtain a better showering temperature. The.Effect.of.Other.Water.Devices Example of how shower temperature stabilises due to pressure changes.
- Page 18 Using.your.Shower Read the section “Important Safety Information” first. Clock (seconds) Temperature Display (Backlit during operation) Temperature of Shower Low Flow Indicator Temperature Limit Indicator Temperature Setting Clock (hours/minutes) Start/Stop Button Heater Settings Low, Medium, High...
- Page 19 Temperature of Shower Clock The temperature indicator Switch on the electrical becomes illuminated. supply and press the ‘Start/ Stop’ button Check water temperature before Set to desired position. entering shower. Allow 10 - 15 seconds for any temperature adjustments to reach the handset. Press STOP button, light on the button Residual water may drain over a goes out.
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Page 20: Clock Setting
Clock.Setting Clock Make sure that the product is in ‘Standby’ state (i.e. Isolator switch on). Press and hold the ‘Medium Power ’ button - the clock backlight will come on full brightness. After a delay of a few seconds the hour segments of the clock start flashing Press ‘Medium Power’... - Page 21 LCD.Indications The table below shows what is shown on the LCD display once the shower has been installed and is in use. Product.State LCD.Display Backlight Comments Blank Product turned off at pull cord Standby Clock shown including second indicators Product turned on Clock Shown Full Brightness On initial start up...
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Page 22: Fault.diagnosis
Fault.Diagnosis The trouble shooting information tabled below gives details on probable causes and remedies should difficulties be encountered whilst the shower is in operation. Warning!. There are no user serviceable components beneath the cover of the appliance. Only.a.competent.tradesperson.should.remove.the.front.cover! Heater.Settings Medium High Symptom Low Flow... - Page 23 Symptom Low Flow Heater Setting Probable Cause Probable Remedy Back Light Low/Medium/ Light High Shower cycles Medium/High Thermostatic Replace. form hot to mechanism is faulty cold or damaged. Medium/High Scaled Heater Tank Replace. Assy. Medium/High Damaged Hose. Replace. Handset Insufficient water The minimum static dripping supply pressure for...
- Page 24 Symptom Low Flow Heater Setting Probable Cause Probable Remedy Light Back Low/Medium/ High Light Low or no flow Handset blocked. Remove and clean. rate Heater tank Replace. In hard excessively scaled. water areas consider the use of a water softener. No information Faulty Control Replace Control...
- Page 25 Symptom Low Flow Heater Setting Probable Cause Probable Remedy Light Back Low/Medium/ High Light Appliance fails Medium/High Insufficient water Contact local Water to produce supply. company. hot water when set on Medium/High Possible failure of Check the continuity ‘Medium/High’ the thermal switch. of the heater tank heater setting.
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Page 26: Heater Settings
Maintenance Handset - Cleaning Clean with mild washing up detergent or soap solution. Wipe dry with a soft cloth. Poor shower performance can be avoided by cleaning the spray plate. Use thumb or soft cloth to wipe rubber nozzles. The handset must also be descaled regularly. -
Page 27: Clock Battery Replacement Procedure
Clock.Battery.Replacement.Procedure Warning!. There are no user serviceable components beneath the cover of the appliance. Only.a.competent.tradesperson.should.remove.the.front.cover! Read the section “Important Safety Information” first. Isolate the electrical supply before commencing this procedure. The electricity must be turned off at the mains and the appropriate circuit fuse removed, if applicable. -
Page 28: Spare.parts
DCV-H: An outlet double check valve, designed to prevent the backflow or backsiphonage of potentially contaminated water, through shower controls which are fitted with a flexible hose as part of the outlet shower fitting. Available as an optional accessory from your Mira Showers stockists. - Page 29 1647.109 1647.096 647.05 1647.098 1647.099 647.00 647.03 406.7 647.0 647.0 405.58 46.38 1647.109 46.5 647.50 647.08 647.04 647.48 647.07 1647.149 647.06...
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Page 30: Dimensions
Dimensions Wiring.Diagram... -
Page 31: Customer.services
You will have the assurance of a Damage or defects if the product is taken apart, repaired Mira trained Engineer/Agent, genuine Mira spares and a or modified by any person not authorised by Mira Showers month guarantee on the repair. or our Approved Agents. - Page 32 Mira is a registered trade mark of Kohler Mira Limited. The company reserves the right to alter product specifications without notice. www.mirashowers.com 1075158-W2-A © Kohler Mira Limited, August 2007...
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