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Single Sequential
Temperature Only
Built-In Shower Valve
Installation and User Guide
MODEL NUMBERS
1190330-NA, 998W-K-NA
Important! Please quote the above model number(s) when ordering spares
IMPORTANT
INSTALLER: THIS MANUAL IS THE PROPERTY OF THE
CUSTOMER AND MUST BE RETAINED WITH THE PRODUCT
FOR MAINTENANCE AND OPERATIONAL PURPOSES.
1
1095640-W2-B
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Summary of Contents for Kohler 1190330-NA
- Page 1 Temperature Only Built-In Shower Valve Installation and User Guide MODEL NUMBERS 1190330-NA, 998W-K-NA Important! Please quote the above model number(s) when ordering spares IMPORTANT INSTALLER: THIS MANUAL IS THE PROPERTY OF THE CUSTOMER AND MUST BE RETAINED WITH THE PRODUCT FOR MAINTENANCE AND OPERATIONAL PURPOSES.
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Page 2: Table Of Contents
CONTENTS Safety Warnings ..................3 Pack Contents ..................5 Specifications ..................6 Pressures and Flow Rates ..............6 Dimensions ....................7 Installation ....................8 Suitable Plumbing Systems ..............8 General ....................8 Reversing the Outlet Position ............. 10 Installation Procedure ................11 Operation .................... -
Page 3: Safety Warnings
Kohler thermostatic mixers are precision engineered and should give continued safe and controlled performance, provided: 1. They are installed, commissioned, operated and maintained in accordance with the manufacturer’s recommendations. - Page 4 20. If you experience any difficulty with the installation of your new shower, then please refer to “Fault Diagnosis”, before contacting Kohler Mira Limited. Our telephone and fax numbers can be found on the back cover of this guide.
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Page 5: Pack Contents
PACK CONTENTS 1 x Mixer Valve Single Sequential Temperature Only 1 x Building in Shroud 1 x Adapter Pack 3 x Screws 3 x Wall Plugs 1095640-W2-B... -
Page 6: Specifications
SPECIFICATIONS Pressures and Flow Rates Note! For optimum performance, dynamic supply pressures should be nominally equal. Recommended Minimum Dynamic Supply Pressure: 0.15 bar. Recommended Maximum Dynamic Supply Pressure: 5 bar. Maximum Static Pressure: 10 bar. Recommended Minimum Flow Rate: 3 L/min at mid-blend with equal dynamic supply pressures. -
Page 7: Dimensions
DIMENSIONS All dimensions are nominal and in mm. Single Sequential Temperature Only 1095640-W2-B... -
Page 8: Installation
INSTALLATION Suitable Plumbing Systems Gravity Fed: The thermostatic mixer must be fed from a cold water cistern (usually fitted in the loft space) and a hot water cylinder (usually fitted in the airing cupboard) providing nominally equal pressures. Gas Heated System: The thermostatic mixer can be installed with a combination boiler. - Page 9 8. The position of the shower and shower fittings must provide a Zone of Mixer Backflow Risk minimum gap of 25 mm between Shower the showerhead and the spill over level of any bath, shower tray or basin and a minimum gap of 30 mm between the showerhead and the spill over level of any toilet, bidet or other...
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Page 10: Reversing The Outlet Position
Reversing the Outlet Position 1. Remove the outlet adapter using a 12 mm hexagonal wrench (not supplied). 2. Remove the outlet blanking plug using a 12 mm hexagonal wrench. 3. Screw the outlet adapter, complete with ‘O’ seal into the bottom hole previously blanked and tighten. -
Page 11: Installation Procedure
INSTALLATION PROCEDURE Solid Wall or Stud Partition 1. Determine the route for the hot and cold supply pipework and for the outlet Building-in Shroud pipework. When connecting to BIV shower fittings it is recommended that the outlet be positioned above and to one side of the mixer. - Page 12 6. Cut away the plasterboard and/or brick Finished Wall work to the required depth. Surface Important! This depth ‘X’ will depend on the finished wall thickness e.g. tiles or facia board. For stud partitions depth ‘X’ refers to the distance from the rear mounting e.g.
- Page 13 9. Fit the hot and cold supply pipework (Hot - Left, Cold - Right). Outlet Pipe Caution! It is essential at this to Fittings point that the supply pipework is thoroughly flushed through Cold Supply before connection to the mixer. Failure to do so may result in product malfunction and will not be covered under the guarantee.
- Page 14 16. Remove the shroud screw (retain for later use) and remove the building-in shroud. 17. Unscrew the 2 screws securing the Valve Legs. Remove the valve legs from the mixer. 18. Fit the trim kit, refer to the Installation Valve and User Guide packed with the trim kit.
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Page 15: Operation
OPERATION Single Sequential Turning the control knob anti-clockwise will increase the flow and temperature from off, through cold to the preset maximum. Temperature Only Turning the control knob anti-clockwise will increase the temperature from cold to the preset maximum. 1095640-W2-B... -
Page 16: Commissioning
COMMISSIONING Maximum Temperature Setting Before using the shower the maximum temperature must be checked to make sure that it is at a safe level. It has been preset to approximately 43°C at the factory but due to variations in site conditions the maximum temperature may need adjustment. Note! Make sure that the hot water temperature is at least 55°C and that there is sufficient supply. - Page 17 Maximum Temperature Setting Adapter Cutout Cartridge Hub Retaining Screw Adapter Ring Grubscrew Temperature Adapter Single Sequential Drive Adapter Cartridge Temperature Only 1095640-W2-B...
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Page 18: Fault Diagnosis
FAULT DIAGNOSIS Read the section: Important Safety Information first. Provided that the Thermostatic Mixing Valve has been correctly installed and is operated in accordance with the instructions contained in this guide, difficulties should not arise. If any maintenance is required then it must be carried out by a competent tradesperson for whom the fault diagnosis chart and maintenance instructions are provided. -
Page 19: Maintenance
Periodic attention is given, when necessary, to maintain the product in good functional order. The Kohler range of Thermostatic Mixing Valves are designed for the minimum of maintenance in normal use. The only serviceable parts are the inlet filters which should be checked and cleaned every 12 months. If a malfunction occurs with the Thermostatic Cartridge then this will necessitate a complete cartridge replacement. - Page 20 Remove the trim kit, refer to the Installation and User guide packed with the trim kit. Using a 10 mm hexagonal key turn the integral isolators 90° anti-clockwise to shut off the hot and cold water supplies. Important! You MUST isolate both the hot and cold isolators. Open an outlet fitting to release pressure and to assist the draining of residual water.
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Page 21: Spare Parts
SPARE PARTS All spare parts listed are supplied individually (unless stated). Kohler have a policy of continual product development and parts illustrated may not be identical to those supplied. 408.71 Flat Faced Insert 1624.113 Outlet Adaptor 1624.112 Strainer Pack (x2) 1624.110... -
Page 22: Notes
NOTES 1095640-W2-B... - Page 23 NOTES 1095640-W2-B...
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Page 24: Customer Care
CUSTOMER SERVICE Guarantee of Quality This guarantee covers products in domestic use, Kohler UK guarantee products against any defects of installed and maintained in accordance with the materials or workmanship for the following periods: instructions. It covers the purchaser only and it not...