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34

In-service Test Procedure

Figure 4

Note!

All measurements should be recorded in the Thermostatic Mixing Valve Performance

Record (Log Book)

Note! 

K = Kelvin, the unit of thermodynamic temperature. The unit "Kelvin" is equal to the unit of

"Degree Celsius". Kelvin is used for a difference of Celsius temperature.

Start

1. Measure & record supply temperatures and 

pressures,

 

if possible (see Commissioning 4.2(a)).

5. Check/replace check valves  (see 

Maintenance Procedure - Checkvalve 

Cartridges)

2. Measure & record blend temperature & flow rate 

@ maximum flow (see Commissioning 4.2(b)).

3. Measure & record blend temperature & flow rate 

@ minimum flow (see Commissioning 4.2(c)).

Has mixed water 

temperature changed by 

more than 1K?

4. Check/clean strainers (see 

Maintenance Procedure - Inlet 

Strainers)

9. Isolate CW supply (see Commissioning 4.2(d))

6. Check/open isolating valves

7. Re-set & record blend temp. (see 

Commissioning - Maximum 

Temperature Setting)

Is max. blend temp.>2K 
above previous recorded 

value?

Is final blend temp.  

> 2K above set blend temp?

11. Replace cartridge (see Maintenance 

Procedure - Radatherm Cartridge)

8. Ensure supply temperatures & pressures and flow 
rate at time of test are within valve specification (see 

Operating Parameters).  Record all these.

10. Measure & record max. & final blend temps. (see 

Commissioning 4.2(e))

12. Carry out Commissioning procedure 

(see Commissioning Checks)

Finish

Yes

No

No

Yes

No

Is cartridge due for 

replacement?

Yes

No

Yes

Procedure Thermostatic Cartridge)

Содержание EXACT-3

Страница 1: ...1 IMPORTANT Installer This Manual is the property of the customer and must be retained with the product for maintenance and operational purposes PRODUCT MANUAL...

Страница 2: ...G 19 OPERATION 22 FAULT DIAGNOSIS 23 MAINTENANCE 25 SPAREPARTS 33 CUSTOMERCARE Back Cover If you experience any difficulty with the installation or operation of your new mixing valve then please refer...

Страница 3: ...e considered as being functionally infallible Provided that the thermostatic shower control is installed commissioned operated within the specification limits and maintained according to this manual t...

Страница 4: ...on 1 2 BSP connection Both models are provided with adjustable temperature control which allows the user to select blend water temperatures up to a preset safe maximum level Temperature and flow knobs...

Страница 5: ...familiarize yourself with the part names and to confirm that the parts are included Exact 3 1 x Exact 3 1 x 2 5 mm A F Hexagonal Wrench 3 x Olives 3 x Compression Nuts 3 x Flat Faced Inserts 2 x Wall...

Страница 6: ...names and to confirm that the parts are included Exact 3 z 1 x Exact 3 1 x Olive 1 x Flat Faced Insert 1 x 2 5 mm A F Hexagonal Wrench 1 x 3 mm A F Hexagonal Wrench 2 x Screws 2 x Captive Nuts 2 x Pip...

Страница 7: ...7 Rada Exact 3 z DIMENSIONS Rada Exact 3 153 mm 32 mm 28 mm 55 mm 33 mm 55 mm 80 mm 94 mm 55 mm 80 mm 94 mm 56 mm 55 mm 153 mm...

Страница 8: ...r dwell time at service interval frequency Such procedures must be conducted strictly in accordance with the information supplied with the disinfectant and with all relevant Guidelines Approved Codes...

Страница 9: ...raulic restriction Flow Rate Pressure Loss Graph all models Shower control only equal dynamic supply pressures unrestricted outlet and mid blend temperature setting Pressure Loss bar Flow Rate Litres...

Страница 10: ...l union or 15 mm compression nut and olive provided Standard Connections are hot left marked red cold right marked blue Note Should the supplies be reversed then the shower control will not be able to...

Страница 11: ...wer control body during maintenance 5 Conveniently situated isolating valves must be provided for maintenance 6 The use of supply line or zone strainers will reduce the need to remove debris at each s...

Страница 12: ...blue stickers from the cartridge f Carefully align and then tighten the headnut Do not overtighten maximum torque 2 5 Nm 1 85 lbf ft g Rotate the shower control 1 2 turn Note The inlet elbows may nee...

Страница 13: ...Figure 2 Standard Figure 1 C H C H Note The red and blue markings on the cartridge will now not correspond with the body markings so to avoid future confusion remove the red and the blue stickers fro...

Страница 14: ...ets a For 15 mm compression pipework inlet or outlet connections Use compression nuts and olives supplied b For 1 2 BSP union inlet or outlet connections Use flat faced inserts supplied press in firml...

Страница 15: ...supplies thoroughly before connection to shower control Failure to do so may result in reduced performance and or product damage 2 Joint offset connectors and screw into sockets so that faced edge is...

Страница 16: ...tion fit compression nut and olive supplied b for 1 2 BSP union outlet connection fit flat faced insert supplied press in firmly Refer to Figure 6 7 Check all connections are watertight Refer to COMMI...

Страница 17: ...lly performance tested and the maximum temperature is preset to approximately 43 C under ideal installation conditions at the factory Site conditions and personal preference may dictate that the maxim...

Страница 18: ...en provided with this Manual The procedure should be chosen to imitate both typical and difficult operating conditions such as any supply pressure fluctuations that may be likely An ideal method is to...

Страница 19: ...19 Maximum Temperature Setting Figure 7 3 mm A F Hexagonal Wrench Locking Screw Temperature Knob Hub Spindle...

Страница 20: ...of the temperature knob The flow control knob operates through 180 rotation with full flow when the lever is fully to the right and flow closure when fully to the left for bottom outlet applications...

Страница 21: ...nged a Refer to symptom 2 above b Hot supply temperature fluctuation c Supply pressure fluctuation a Check strainers and inlet outlet fittings for blockage b Hot or cold supply failure thermostat hold...

Страница 22: ...in service pack and renew all seals b If leak persists from around temperature spindle Renew Thermostatic cartridge 8 Flow knob or temperature knob stiff to operate a Impaired free movement of interna...

Страница 23: ...ge the cartridge and also eventually a rolling programme of cartridge renewal can be undertaken as part of a planned maintenance procedure The designed minimum service life of all cartridges is five y...

Страница 24: ...ll cartridges used in Kohler Mira products is five years providing the Rada Exact 3 is operated with the recommended operating conditions and within the recommended operating parameters However when s...

Страница 25: ...oning the shower control The results of these testsare used to determine when after initial commissioning the in service test is next repeated Frequency of In service Tests The Guide to in service tes...

Страница 26: ...maintenance or servicing Maintenance personnel should also ensure that the user s staff are aware of the importance of reporting temperature variations and that when detected these should be recorded...

Страница 27: ...e body thoroughly in clean water before refitting cartridges Note The body interior must be cleaned carefully and not damaged in any way Do not use any abrasive material 7 Cartridges may only be clean...

Страница 28: ...then tighten the head nut do not overtighten max torque 2 5 Nm 1 85 lbf ft 13 Align and refit the body shroud and temperature knob assembly so that the markings will be visible to the user 14 Restore...

Страница 29: ...proprietary inhibited scale solvent e g domestic kettle descalent After descaling rinse body thoroughly in clean water before refitting cartridges Note The shower control body must be cleaned carefull...

Страница 30: ...n earlier design non slotted outlet connector which is not interchangeable with the current flow cartridge all black 11 Align and refit the body shroud and flow knob assembly so that the markings will...

Страница 31: ...ch and pull free Exact 3 z The Checkvalve cartridges are located at the inlet of each elbow To remove first release the outlet connection then release the shower control body from the offset connector...

Страница 32: ...are dished outwards and are a push fit into the housing Remove carefully 4 The strainer screens may be cleaned under a jet of water or renewed 5 Re assembly into the shower control is a reversal of th...

Страница 33: ...tenance instructions Details of in service testing and maintenance Initial commissioning test data Supply pressures and temperatures mixed water temperature flow rate result of cold water isolation te...

Страница 34: ...Commissioning 4 2 c Has mixed water temperature changed by more than 1K 4 Check clean strainers see Maintenance Procedure Inlet Strainers 9 Isolate CW supply see Commissioning 4 2 d 6 Check open isola...

Страница 35: ...tervals No No NOTE Mixed water temperature required is that at step 2 3 of In service test procedure Has mixed water temperature changed by more than 1K Has mixed water temperature changed by more tha...

Страница 36: ...P T46 High Pressure High Pressure High Pressure High Pressure High Pressure Low Pressure Low Pressure Low Pressure Low Pressure Low Pressure Shower Bath 46 o C fill Bath 44 o C fill Washbasin Bidet Wa...

Страница 37: ...ures expected of a Type 3 valve it is essential that the valve is used only for the applications covered by its approved designations with the appropriate water supply pressures and temperatures and i...

Страница 38: ...temperature e 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 Table 1 below Any higher...

Страница 39: ...C 40853 Temperature Knob Assembly chrome 40854 Flow Control Knob Assembly chrome 40870 Elbow 40871 Component Pack Flat Faced Insert 40872 Checkvalve Cartridge Assembly 40890 Inlet Adaptor 40891 Strai...

Страница 40: ...72 408 90 407 75 408 54 408 45 616 40 408 14 623 70 542 10 408 71 090 95 542 10 408 71 623 70 575 12 408 90 408 05 408 70 408 72 A B 408 23 A A A A A A B A B A B A A 407 75 408 44 542 10 408 71 623 7...

Страница 41: ...l Knob Assembly chrome 40871 Component Pack Flat faced Insert 40879 Elbow 40880 CheckvalveCartridge 40891 Strainer Pack components identified B 40892 Service Pack components identified A 54210 Olive 1...

Страница 42: ...ram 575 09 615 87 A 407 28 408 53 407 26 407 64 408 71 623 70 A 408 14 408 23 408 54 542 10 636 10 A 408 45 616 40 A A A A 407 75 407 75 408 79 408 79 A A 555 14 076 59 B B 408 80 624 19 555 14 408 80...

Страница 43: ...1 2 2 2 1 2 1 Used for 1 2 BSP inlet outlet connections only Recommended Spares Minimum Stock List Spares Per Quantity Of Shower Controls Or Mixing Valves Installed Component 6 20 21 50 51 1 1 1 1 2 2...

Страница 44: ...44 1057615 W2 A Kohler Mira Limited January 2006 CUSTOMER CARE...

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