JG Tempering Valve - RV Parts Express RV Parts Express
Contents
1. maintenance that may be required to the valve and associated fittings Independent isolation valves must be fitted in conjunction with the Tempering Valve as close as practically possible to the water supply inlets of the Tempering Valve To ensure safety the valve must not be installed directly to the water heater The maximum flow rate will only be achieved when supply conditions are met as quoted within the technical specification Ensure isolation valves pressure limiting valve and expansion control valves are installed prior to the Tempering Valve to ensure suitable conditions for optimum performance of valve As per AS NZ 3500 General Maintenance Filter Cleaning During operation of the Tempering Valve the filters may need to be cleaned Should this be necessary access to the filters can be achieved by unscrewing the adaptors removing the filters and cleaning by hand Carry this out periodically to ensure the product has sufficient flow If the valve filters become blocked on a regular basis due to poor or adverse water conditions then additional strainers may need to be added upstream of the Tempering Valve Isolate the hot and cold water feeds to the valve Remove the valve from the system to release each pipe pull the pipe in one direction whilst holding the collet in the release position Do this for all connections If still unclear please refer to How to make a standard connection On the basis2. of measurement Open the outlet to allow for a flow rate of at least 4 litres min Allow the water to flow for 1 2 mins to ensure the mixed water temperature has stabilised Use a digital thermometer to then test the temperature of the water supplied Note If the desired temperature is not achieved remove the cap illustrated below and set the temperature accordingly as shown in Temperature Adjustment Control To un clip prise up cap at the recesses at the top of the Temperin Valve remove an retain Cartridge Maintenance 2 Ring Alignment Ensure locking ring is placed correct way up and key slots have engaged ASSEMBLY PROCEDURE FOR MAINTENANCE Cartridge Alignment Ensure replacement cartridge is placed correctly into the two key slots The valve will fail to close if not followed Isolate the hot and cold supply Clean and replace as necessary Re fit the cartridge assembly by placing in valve body Remove locking ring and cap Step 6 unscrew top cover Remember to include the spare locking Step 3 ring when re assembling the tempering valve Discard broken ring Be sure to Caretully lift out the cartridge follow the illustration showing the order assembly and put to one side of assembly The new locking ring mu e thread Boz be placed onto the bottom of th Inspect the components for any QEA contamination or damage in most cases hard water will cause lime scale bui
3. that the Tempering Valve is not moved from the system the hot cold and mixed pipe can be removed Unscrew the adapters from the body as shown above Remove the filters and place under running water until clean Reassemble the Tempering Valve by reverse of the above process ensuring the adapters are HAND TIGHTENED ONLY Reinstall valve into the system 5 Step 3 Finalising Ensure the HOT H and COLD C supply lines are connected to correct side of the Tempering Valve with the flow in the direction of the arrows as indicated on the body a 3 1 MIXED i COLD g M P 1 Water Tank 4 Hot Shut Off Valve 2 Water Pump 5 John Guest 12mm Tempering Valve 3 Water Heater 6 Cold Shut Off Valve MIXED fi dh Ve O i pur d er um 0950 o o COLD WASH KITCHEN SHOWER BASIN BASIN H Before proceeding with maintenance be aware that Maintenance Qo replacement parts are only available in selected markets John Guest s Tempering Valve will provide mixed water as per specification on the basis that the valve is maintained and subjected to relevant in service tests Similar to installation any servicing and maintenance should be carried out by a licensed plumber John Guest recommends that the Tempering Valve is checked annually to ensure accurate operation When performing temp
4. washing If installed and maintained correctly the valve can reduce the risk of scalding In the event of the cold water supply failing the valve will automatically shut down the flow to prevent discharge of danaerously hot water To ensure full closure of the mixed water flow the minimum temperature differential between the hot water inlet to the valve and the mixed water outlet must be at least 15 C Product Dimensions Note All dimensions are measured in mm 142 P s lt UL rj Ld au 29 Tube Insertion Depth All three ports Y SS MO pasinbas 10 pasn si anjen eyeudoudde y ainsua pue suone yi eds anjea 94D SAJEA BUY uluiiM suqep Aue uea pue de parowy uonnjos paused JOU si jenued8jjIp eunye1eduje WNWIUIW eu Ssuonepueululo29J UUM e uepioooe ui paljeysul jou eAjeA Duueduie suqep 0 enp A 284102 e3e1edo 03 ajqeun uisiueu elA 9sne p s UaYyM zzo ynys 3ou saop eAJeA L e e u6noJu 1972M Usn J eanjejeduueg xiu peup pue sai ddns 3ejur e40158y uonnjos e ueuajureui seJinboa ebpiue5 pex ojq ae sje pe juemynsui ainssaid Ajddns esnej PALA UI0JJ MO J pa2np y 10 ON 10 eAje uBnoJui 1942M usn 4 seijddns plod pue JOY u1oq uo seA eA HuljejnBa ainssaid Jesu uonnjos wajshs ay ui suiod jo pu Jeu1o Jo s1294 3 dn
5. ION amp USER GUIDE Imm Temnering Valve Pre amp et tn 51 C 12mm Tempering Valve Pre Set to 50 C MV It is imperative that this document is read and fully understood before installing this valve Valve Installation IMPORTANT Step 1 Preparation The Tempering Valve must be installed where it can be easily accessed for servicing and maintenance or replacement purposes The installer should check temperature and pressure characteristics of the site are within valve technical specifications prior to installation Note The Tempering Valve must not be subjected to any extreme temperature variations either during the installation or under normal operating conditions This includes ensuring the valve is never exposed to freezing conditions or frost All exposed pipework should also be insulated The supply system to which the Tempering Valve is to be installed must be thoroughly flushed and cleaned to remove any debris which may have accumulated during build installation of the system Failure to remove any debris will affect performance and the manufacturer s warranty of the product Ensure the installer does not use any thread sealant tapes liquid sealant hemp or any other joint sealing compound on the valve as this can potentially cause blockages Step 2 Placement 1 The Tempering Valve has been designed to be mounted in any orientation It is essential that access to the valve is not obstructed for any future
6. ayey Mo j uunuutuA uOneueA aJnsseJd PJU uinuuixejA on aouejequy ainssaig Ajddns wnwixew oney aunssaig jddns papuawwosay Jeq s a1weuhg eq 9r POD 79 10H ensseud Ajddns wnwixey Jenuaiayig eanje1eduue wnwuw foeinooy ainyesadwa ANO abues eimejeduuai Jano e qeisnfpy aunyeiadway Ajddns 183eM plod aunqesaduua Aj ddng 1948M 10H uon euuo RNO 79 JUI 3 usng WUT uoneryioads nsuejoe1eu5 Ajayes ayesado 0 paajuejenb aq jouued siajawesed asau apis no Dunejedo saA eA 930N 2 05 JO enje1eduja3 yas aid e Duuewjep ns 3s luM ensseud je ut seq S E Je ulu 1 BT 40 9421 MOJ LUNLUIXxeW e Uum pa sa uaeq a eu AWLZT 3S8ND uuof eu JO ASN jo suonipuoo aui 0 buneja suone ui eds suone 2yi oeds je iuu o aeg sso1 ainssaig Occ O8 I OL T SOT S8 0 S9 0 OS O OF 0 SCO OT O 000 o n o au A A nu w 1 a3ey Moly SZ oe eanjejeduie INNO 2 08 seunsseJg 1e u 2tueu q 1eq a ey mo 4 ysuleHy sso7 ainssaid Product Introduction The John Guest Tempering Valve has been specifically designed and manufactured for Marine Caravan and Recreational use only It meets the requirements of AS NZ4020 This valve uses 12mm Speedfit connections for its hot and cold water and mixed water outlets and is pre set to deliver a temperature of 50 C Valve Function The John Guest Tempering Valve is designed to accurately regulate the temperature of water for activities such as showering bathing and hand
7. e ejd sexe 12e3uo ypns ou eU eJnsue 01 uexe1 eq pjnous d euianxe T ueui pej exsur SI ypeeds aiaym 1ueujuoJiAue ue ui pesn aq 0 ae cra Jp sbumi4 pue edid wpeeds 5f ui 12631002 ozu BOD pjnous sed Aue jo sexn j ON John Guest Limited Horton Road West Drayton Middlesex UB7 8JL England Tel 00 44 0 1895 449233 Fax 00 44 0 1895 420 321 Technical Help Desk 00 44 0 1895 425 333 www johnguest com The company has a policy of continuous research and development and reserves the right to amend without notice the specification and design of all products illustrated in this catalogue John Guest Speedfit reserve the right to change the colour and shape of products Photographs are for illustration purposes only Subject to our Terms andConditions of Sale available on request JG John Guest and Speedfit are registered trademarks of John Guest International Limited Copyright 2014 Z2105 401 0414 140213 Bunuied so BuibBe Aq 1uBi 319 o1A amp uj n wouy 1289304d sioop No pasn u yM a1ubijuns Aq p p ye jou ale saoopur pasn u ym syonpoud jypaads PUTET EE aunsodxq seoJe Pa IaJU UIWAA ui uon283oJd ei eds paeu IM sjonpoJg iuypeeds ula seanpe oud uon2ajursip pexiruued Ajjesyioads 104 adIApe uogejjezsu ayy jo uon2es SW31SAS u3lvM T1102 ANY LOH dO NOLLD34NISIC 24 99S apixosad ueboup u buiurequoo 10 u ea g 5e exaoju od u ui ubiu yHd mojaq asoy Huipnpu si
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9. erature checks ensure it is the same outlet used in installation Cartridge Maintenance If it is necessary to remove or maintain the cartridge assembly remove the top cover on the Tempering Valve by placing a flat headed screw driver into the locking ring tab and twisting to break This ring should be discarded and replaced upon reassembly using a new locking ring Follow steps to ensure correct assembly Valve Commissioning IMPORTANT The instructions must be read and fully understood before the process of commissioning is carried out If there are any aspects of the installation or dedi that do not comply with the specification detailed in this manual the valve must not be operated until these specifications are fully satisfied In the case of all aspects of the specification being met the next part of the procedure can be carried out The complete system should be entirely cleaned and free from any dirt grit before the Tempering Valve temperature is set The temperature during commissioning should be taken using a calibrated thermometer Ensure the water heater is turned on and is delivering a minimum temperature of 60 C as specified in AS NZS 3500 4 2 Clause 1 6 It is recommended the water heater thermostat is set at 15 C differential temperature necessary for thermal shut off Refer to Technical Specifications for more information Locate the nearest fixture outlet supplied by the Tempering Valve for point
10. ld up in some valves this will need to be cleaned Screw the top cover back on firmly a click should be heard The valve is now completely reassembled and ready to be used This process should be carried out while testing the mixed temperature to obtain desired setting The valve will be pre set to approximately 50 C Anti Clockwise Clockwise TEMP TEMP DECREASE INCREASE 1 Remove cap as shown 2 Allow system to run and discharge water testing the output temperature with a thermometer and record result 3 To change the output temperature place a flat headed screwdriver into the adjustment slot at the top of the Tempering Valve twist clockwise to increase output temperature and anti clockwise to decrease temperature Make small changes allowing time for output to settle measure and record until desired temperature is reached 4 Replace cap to prevent tampering Before proceeding with maintenance be aware that Re P I acements O replacement parts are only available in selected markets In order to ensure that the Tempering Valve continues to provide satisfactory service only genuine John Guest spare parts must be used Note To locate the nearest distributor of genuine replacements please refer to the company catalogue and quote the corresponding part numbers Shown below Description Part Number 1 Locking Ring C 1346501 Replacement Cartridge TMV12 CRK Replac
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