Related Manuals for Mira 415
Summary of Contents for Mira 415
- Page 1 PRESSURE BALANCED SHOWER CONTROL Installation and User Guide These instructions are to be left with the user...
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Page 2: Table Of Contents
ConTenTs InTroduCTIon ..................3 Mira 415 Pressure Balanced Shower Control Range......3 Product range ..................3 WARNING! ................... 3 Safety ....................3 ImporTanT safeTy InformaTIon ............ 4 Mira 415 Surface Mounted Shower Control ......... 5 Mira 415B Built-in Shower Control ............6 dImensIons .................... -
Page 3: Introduction
The Mira 415 is not a thermostatic shower control and does not sense supply temperature variations. Therefore, inlet water temperatures especially the hot, should be relatively constant. -
Page 4: Important Safety Information
ImporTanT safeTy InformaTIon WarnIng! 1.1. Products manufactured by us are safe and without risk provided they are installed, used and maintained in good working order in accordance with our instructions and recommendations. Caution! 2.1. Read all of these instructions. 2.2. Retain this guide for later use. 2.3. -
Page 5: Mira 415 Surface Mounted Shower Control
ConTenTs CheCklIsT Tick the appropriate boxes to familiarise yourself with the part names and to confirm that the parts are included. mira 415 surface mounted shower Control 2 x Pipe Concealing Plates 1 x 415 Shower Control ... -
Page 6: Mira 415B Built-In Shower Control
Tick the appropriate boxes to familiarise yourself with the part names and to confirm that the parts are included. mira 415B Built-in shower Control 1 x Wall Mounting Bracket 1 x 415 Shower Control with 1 x Concealing Plate, Building-in Shroud Circular Mounting Bracket and Foam Seal ... -
Page 7: Dimensions
dImensIons Falling Top Inlet Back Inlet Supplies Supplies Ø56 Ø92 Ø76 Ø153 Ø35 Ø112 Ø188.5 Rising Bottom Inlet Supplies 132 A/F 92 A/F Ø76 57 - 74 Ø163 415B All dimensions are nominal and in millimetres... -
Page 8: Specifications
65°C. A stored water temperature of 60°C is considered sufficient to meet all normal requirements and will minimize the deposition of scale in hard water areas. Connections Inlet 15mm Compression or 1/2'' BSP male (415) 15mm Compression (415B) outlet 1/2'' BSP male (415) 15mm Compression or 1/2'' BSP male (415B) -
Page 9: Installation Requirements
“Commissioning” - “multi-point gas water heaters” or “Combination boilers”. The Mira 415 is not suitable for installation as part of a gravity-fed plumbing system. i.e. in conjunction with a hot water cylinder and cold water storage cistern. - Page 10 25 mm minimum figure 1 The following diagrams and text illustrate typical examples of suitable plumbing systems for the 415 shower control range:- gas heated showers The shower control musT be installed with a multi-point gas water heater or combination boiler of a fully modulating design. A fully modulating multi-point gas water heater or combination boiler is one in which the water draw-off rate controls indirectly the gas flow rate to the burner.
- Page 11 Figure 3. This does not apply to packages with a cold take off after the pressure reducing valve. The supply pressures should be between 1 bar and 5 bar to the Mira 415. Safety devices have not been shown whithin...
- Page 12 Mira 415. The tempering valve provides a relatively constant hot water temperature and the 415 pressure balancing valve compensates for system pressure variations. The Mira 415 supply pressure range is 1 bar to 5 bar. For pressures above 5 bar a pressure reducing valve will be required, refer to Figure 4.
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Page 13: Installation
Rising Supplies Falling Supplies The Mira 415 is supplied with inlet connections hot left, cold right and bottom outlet as standard. To change the position of the outlet refer to the section, “reversed outlet Connection”: instructions 1 to 8 inclusive. - Page 14 1.4 Remove the backplate by releasing, anti-clockwise, the two recessed grub screws which retain the backplate against the brass shower control body, using the 2.5mm A/F hexagon wrench (supplied). Backplate Grub Screw 1.5 Mark the final position on the finished wall surface using the backplate as a template.
- Page 15 1.8 Locate the shower control body onto the backplate and secure by tightening, clockwise, the two recessed grub screws, using the 2.5mm A/F hexagon wrench (supplied). Backplate Grub Screw Shower Control Body 1.9 Release, anti-clockwise, the two grub screws that retain the inlet elbows, using the 2.5mm A/F hexagon wrench (supplied).
- Page 16 1.11 Assemble the components of the inlet connector compression fittings in the following sequence for each inlet:- 1.11.1 Place the fibre gasket against the shoulder of the " BSP inlet connector nipple. Connector Nipple Fibre Gasket 1.11.2 Screw in, clockwise, the "...
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Page 17: Back Inlet Supplies
12mm A/F hexagon wrench (not supplied). This will leave the flat face for connection of the shower hose. This completes the installation of the mira 415 for connection to “rising and falling inlet supplies”. Back Inlet supplies Follow the shower control installation procedure as for “rising and falling... - Page 18 Remove the plaster and brickwork to the required depth to conceal the supply pipework. Your attention is drawn to the requirements of Byelaw 58 with regard to “Accessibility of Pipes and Pipe Fittings. note! Depth must be sufficient to prevent pipe concealing plates fouling on the plumbing elbows.
- Page 19 Make good the wall surface. Fit the pipework concealing plates over the hot and cold water supply pipework. Fit the gaskets to the " BSP connector nipples and screw in the nipples with the tapered ends outermost to accept the compression fittings. Tighten the "...
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Page 20: 415B Built-In Shower Control
12mm A/F hexagon wrench (not supplied). This will leave the flat face for connection of the shower hose. 13. This completes the installation of the Mira 415 for “Rising and falling back inlet supplies”. 'O' Seal... - Page 21 The building-in depth for the integral wall mounting bracket assembly is 58mm. The building-in depth for the shower control (to the finished wall surface) is between 64 and 81mm. The building-in depth calculation must include the final thickness of plaster and tiles. This dimension determines how much of the control knob will be visible through the concealing plate when the installation is completed.
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Page 22: Solid, Dry-Lined, Stud Partition Or Dry Partition Wall Structures
solid, dry-lined, stud partition or dry partition Wall structures Determine whether the hot or cold water services will be connected to the shower control from the top (falling) or from the bottom (rising). Remove the plastic building-in shroud. The two M5 x 50mm building-in shroud retaining screws should be screwed temporarily into the base of the shower control for use later. - Page 23 Mark the route of the incoming and outgoing pipework services. Using the building-in shroud as a guide remove the plaster and brickwork/dry- lining to the required depth of concealment. noTe! The depth of concealment must be such that the final wall surface (e.g. plaster and tiles etc.) finishes on the raised portion of the plastic building-in shroud.
- Page 24 Fix the shower control to the wall mounting bracket using the two M4 x 16mm screws provided. Shower Control Wall Mounting Bracket 10. Install the shower control into the wall chase, aligning the two flange holes of the wall mounting bracket assembly with the pre-drilled fixing holes. Secure the shower control with the two No.
- Page 25 11. Make the connections to the incoming hot and cold water supply pipes in the following sequence for each port:- 11.1 Slide the compression nut, then the olive, over the pipe end. If necessary, sparingly smear liquid jointing on the pipe end and the outside of the olive.
- Page 26 13. Refit the plastic building-in shroud over the shower control and secure with the two M5 x 50mm shroud retaining screws, removed in instruction 2. 14. Plaster and tile up to the tapered sides of the plastic building-in shroud and, when set remove the shroud.
- Page 27 17. Push the concealing plate firmly over the circular mounting bracket until it locates on the four clips. 18. This completes the installation of the mira 415B for installation into “solid, dry-lined, stud partition or dry partition wall structures”.
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Page 28: Shower Cubicle Or Laminated Panel
shower Cubicle or laminated panel The built-in shower control incorporates an integral wall mounting bracket assembly which can be used to install the shower into the front or back face of a shower cubicle or laminated panel. Wall Mounting Bracket 92 A/F Backplate Ø101... - Page 29 Follow the shower control installation procedure as for “solid, dry-lined, stud partition or dry partition wall structures”: instructions 6 to 17 inclusive to complete the installation. Wall Mounting Bracket 92 A/F Backplate Ø101 Installation on to the Back face of a shower Cubicle or laminated panel The building-in depth for the integral wall mounting bracket assembly is 58mm.
- Page 30 Drill the two fixing holes. Fix the shower control to the wall mounting bracket using the two M4 x 16mm screws provided. Feed the shower control through the opening in the panel and fix to the panel with the two M4 x 30mm fixing screws. Follow the shower control installation procedure as for “solid, dry-lined, stud partition or dry partition wall structures”: instructions 11 to 17 inclusive to complete the installation.
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Page 31: Reversed Outlet Connection
Connection Mira 415 shower controls are supplied with inlet connections hot left, cold right and bottom outlet. The 415B is supplied with inlet connections hot left, cold right and top outlet as standard. To reverse the outlet position proceed as follows:- Rotate the shower control body through 180 . -
Page 32: Reversed Inlet Supplies
Inlet supplies Mira 415 shower controls are supplied with inlet connections hot left, cold right and bottom outlet. The 415B is supplied with inlet connections hot left, cold right and top outlet as standard. Both shower controls are fitted with a single sequential control knob. The shower control is turned off by turning the control knob fully clockwise. -
Page 33: Commissioning
CommIssIonIng All heater appliances must have a fully modulating heat output for the domestic hot water, to provide a constant temperature of hot water to the Mira 415 shower control. multi-point gas Water heaters These notes are based on a heater with an effective output power of 23.5kW. Heaters with higher or lower effective output powers will proportionally affect the following information. -
Page 34: Adjustable Maximum Temperature Stop
5 bar to improve the system operation. It should be installed to reduce both the cold feed pressure to the heater appliance and the cold feed pressure to the Mira 415 to approximately 3.5 bar. - Page 35 To check the desired maximum temperature setting has been correctly set, refit the hub and control knob, turn fully anticlockwise and check the temperature of the water at the outlet. If still incorrect: To increase the temperature, reposition the stop one serration anticlockwise.
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Page 36: Temperature Override Button Disable
Temperature override Button disable The Mira 415 incorporates a safety feature which prevents the temperature override button from being depressed, enabling the user to access a higher shower temperature. The shower control is despatched from the factory with the button in the “enabled”... -
Page 37: Operation
Mira 415 shower controls have a single sequential control knob. The shower control is turned on by turning the control knob anti-clockwise. The shower control is turned off by turning the control knob clockwise. When the control knob is turned on (anti-clockwise) the sequence is;... -
Page 38: How The Pressure Balancing Principle Operates
The Mira 415 is not a thermostatic shower control and does not sense supply temperature variations. Therefore, inlet water temperatures especially the hot, should be relatively constant. -
Page 39: Fault Diagnosis
415 shower controls are fully performance tested after assembly. In the unlikely event that you experience problems with your shower, the following procedure will enable you to undertake basic fault finding before contacting the person responsible for installing your shower. - Page 40 malfunction Cause remedy a B C Shower pattern The heater is not Reduce the collapses when capable of supplying simultaneous demand. another hot tap is several outlets at the turned on. same time. Shower pattern (a) Property water Contact the Water ...
- Page 41 malfunction Cause remedy a B C Shower force too High pressure Fit 9 l/m flow strong. supplies. regulator. No hot water available (a) Heater appliance Insufficient mains not igniting. pressure. (b) Property stop hot Open valve. or cold isolating valve not fully open.
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Page 42: Maintenance
You may, if you wish, choose to engage the services of a Mira Service Engineer or Agent the terms of which are outlined on the back page of this guide. - Page 43 Undo the four cover retaining screws and remove cover. (A quantity of water will be discharged). Pull the pressure balancing cartridge from the shower control body. Plastic Pins Retaining Bush 'O' Seal Cover 'O' Seal 'O' Seal Cover Retaining Screws Cartridge 'O' Seal Cover Shroud...
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Page 44: O' Seal Renewal
12. Turn on water supplies, check for any leaks. 13. Temporarily fit the control knob (with the override button at the bottom). Rotate the control knob anti-clockwise until the desired temperature is achieved. Note the final position of the override button. e.g. 11 O’ clock. Rotate the control knob to the “off”... - Page 45 Check the cartridge spindle ‘O’ seal (fitted in the cover) for signs of damage and renew if necessary. Fit the spindle ‘O’ seal and retaining bush into the cover. Check the cover ‘O’ seal for signs of damage and renew if necessary. Follow the procedure detailed in the section “Cartridge renewal”: instructions 9 to 15 to re-assemble the shower control.
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Page 46: Spare Parts
spare parTs 004 73 Body 004 74 Body – (415B) 012 12 Cover 410 55 Concealing Plate – light golden 410 54 Concealing Plate – chrome 079 83 Body Shroud – chrome 079 88 Body Shroud – light golden 079 84 Cover Shroud 107 94 Name Plate... - Page 47 079 83 280 07 079 88 280 15 802 27 802 33 575 12 012 12 807 33 902 55 004 73 553 35 553 54 079 84 932 25 916 94 107 94...
- Page 48 415B 119 85 807 28 555 67 932 04 012 12 004 74 902 55 932 25 916 94 079 84 107 94 410 55 410 54...
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Page 49: Accessories
Its correct fitting will ensure compliance with Byelaw 17. Available as an optional accessory from your Mira stockists. dCv-h outlet double check valve... -
Page 50: Notes
noTes... - Page 51 noTes...
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Page 52: Customer Service
Our Service Force is available to provide a quality service Damage or defects if the product is taken apart, repaired or at a reasonable cost. You will have the assurance of a Mira modifi ed by any persons not authorised by Mira Showers trained engineer/agent, genuine Mira spare parts and a or our approved agents.