Meynell V8/3 Product Manual Download Page 32 | Manualshive

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CUSTOMER CARE

1063915-W2-B (Z18A)

© Kohler Mira Limited, March 007

UKAS

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Summary of Contents for V8/3

Page 1: ...V8 3 THERMOSTATIC MIXING VALVE PRODUCT MANUAL IMPORTANT Installer This Manual is the property of the customer and must be retained with the product for maintenance and operational purposes...

Page 2: ...missioning 17 Exercising the Thermostat 17 Commissioning Checks 17 Maximum Temperature 18 Maximum Temperature Setting 18 Operation 19 Fault Diagnosis 20 Maintenance 21 General 21 Planned Maintenance 2...

Page 3: ...perated within the specification limits and maintained according to this Manual the risk of malfunction if not eliminated is considerably reduced Malfunction of thermostatic mixing valves is almost al...

Page 4: ...ct has also been certified as a Type 2 valve under the BUILDCERT TMV2 scheme This product also complies with the Water Supply water fittings Regulations 1999 A point of use Thermostatic Mixing Valve d...

Page 5: ...riate boxes to familiarize yourself with the part names and to confirm that the parts are included Documentation 1 x NHS Requirements Booklet 1 x V8 3 1 x V8 3 L 1 x V8 3 K 1 x Hexagonal Key 3 x Fixin...

Page 6: ...Built in Models 1 x Hexagonal Key 3 x Fixing Screws Documentation 1 x NHS Requirements Booklet 1 x V8 3 B 1 x V8 3 BL 1 x Foam Seal 1 x Rubber Grommet 1 x Concealing Plate...

Page 7: ...Dimensions Exposed Model Built in Model 160 mm 130 mm Centres 122 5 mm 65 mm 35 mm 161 mm 124 mm 55 mm MAX 35 mm MIN 122 5 mm 35 mm...

Page 8: ...in section Type 2 and Type 3 Valves Application take precedence over the operating parameters which follow Pressures And Flow Rates For optimum performance maintained supply pressures should be nomina...

Page 9: ...with outlet blend temperature set between 35 45 C and supplies of 15 C cold and 65 C hot with nominally equal pressures Outlet blend temperature is maintained within 2 C with a 10 C change in hot or c...

Page 10: ...xpansion Vessel Key to Symbols The Meynell V8 3 Thermostatic Mixing Valve is compatible with the following systems Gravity fed system The Mixing Valve MUST be fed from a cold water cistern and hot wat...

Page 11: ...pressurised instantaneous hot water system thermal store The Mixing Valve can be installed with systems of this type with balanced pressures Pumped system The Mixing Valve can be installed with an inl...

Page 12: ...ves must be provided for maintenance 4 The use of supply line or zone strainers will reduce the need to remove debris at each mixing valve point The recommended maximum mesh aperture dimension for suc...

Page 13: ...Guide Note Only use shower fittings recommended by the manufacturer or supplier Reverse Outlet Connector If the Shower Outlet needs to be reversed e g bottom outlet to top outlet 1 Remove the Blanking...

Page 14: ...he required position Then secure with the Grubscrew 1 5 Fit the supply pipework Hot Left Cold Right Caution It is essential at this point that the supply pipework is thoroughly flushed through before...

Page 15: ...ut away plasterboard and brick work to a depth of between 60 mm to 80 mm Depth should be 67 mm min 87 mm max including finish wall thickness tiles or facia board 2 6 Fit the supply pipework Hot Left C...

Page 16: ...ncealing Plate 2 13Unscrew the Control Knob Grubscrew and remove the Control Knob 2 14Check that the Concealing Plate will cover the installation hole 2 15Peel the second protective backing from the F...

Page 17: ...valves 2 Operate the Meynell V8 3 and check Flow rate is sufficient for purpose Temperature obtainable is acceptable All connections are watertight 3 It is advisable to establish a performance check a...

Page 18: ...Valve Body refer to arrow on illustration Maximum Temperature The maximum blend temperature obtainable by the user should be limited to prevent accidental selection of a temperature that is too hot T...

Page 19: ...19 Temperature selection not lockshield model The mixer has one control to set temperature and works in a sequence Off Cold Tepid Pre set Maximum Operation Preset Maximum Temperature Off...

Page 20: ...ratures differentials are sufficient e Subsequent to rectification of supply conditions Check thermostatic performance renew Piston Assembly if necessary 3 No flow rate from mixer outlet a Check strai...

Page 21: ...ssary to maintain the product in good functional order 3 The use of main supply line or zone strainers recommended maximum mesh aperture dimension is 0 5 mm will reduce the need to remove debris at ea...

Page 22: ...ures Irrespective of supply and usage conditions or the evidence of in service tests critical components should be replaced at intervals of no more than 5 years Note During the replacement of critical...

Page 23: ...months Checkvalves and Filters Isolate the supplies to the valve and operate the valve to release pressure and to assist the draining of residual water The checkvalve cartridge assembly may be remove...

Page 24: ...and flow rate Refer to section Fault Diagnosis Carry out the commissioning procedure Has flow rate fallen significantly or fallen below minimum flow specification Carry out a performance check Refer t...

Page 25: ...Low Pressure Washbasin 41 C maximum The approved designations for Type 3 Valves are as follows Model Designation Meynell V8 3 HP S HP W LP S LP W The permitted application details are Designation Oper...

Page 26: ...erature C 52 to 65 52 to 65 Cold Supply Temperature C 5 to 20 5 to 20 Valves operating outside these conditions cannot be guaranteed to operate as Type 2 or Type 3 Valves Commissioning Temperatures sh...

Page 27: ...record the maximum temperature achieved as a result of d and the final temperature Note The final mixed water temperature should not exceed the values shown in the following table Any higher temperatu...

Page 28: ...s identified 1 SPPE0007P Concealing Plate Chrome SPSK0319 1J V8 Seal Kit Components identified A 147 48 Non Return Valve Lockshield Only Not Illustrated 457 04 Bezel 1551 184 Lockshield Knob 1551 185...

Page 29: ...29 SPPE007P 457 04 SPKB0016P SPLR0012P 1 1 A A A A 1551 184 1551 185 1551 186 1551 187 B B...

Page 30: ...30 Notes...

Page 31: ...31 Notes...

Page 32: ...32 Customer Care 1063915 W2 B Z18A Kohler Mira Limited March 2007 UKAS...

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