Gas Hot Water Unit Owners Manual
Contents
1. and or pilot is on and operating If off see lighting instructions on page 8 e Is the Pressure amp Temperature Relief Valve discharging too much water e Do you have the correct size water heater for your requirements Sizing details are available from your local Reece branch e Is one outlet such as the shower using more hot water than you think e Carefully review the family s hot water usage and if necessary check the shower flow rates with a bucket measuring the amount of water used over that period of time If it is not possible to adjust water usage patterns an inexpensive flow control valve can easily be fitted to the shower outlet e Replace faulty tap washers and have your plumber rectify any leaking pipe work e Consider that often the hot water usage of showers washing machines and dishwashers can be under estimated Review these appliances to determine if your daily usage is greater than the capability of your water heater e Is there a leaking hot water pipe or dripping hot water tap A small leak can waste a large quantity of hot water Water Discharge from the PTR Valve It is normal for the PTR to allow a small quantity of water to escape during the heating cycle The amount of discharge will depend on hot water usage Continuous trickle PTR This is most likely due to a build up of foreign matter In this case try gently raising the easing lever on the Pressure amp Temperature Rel2. of the RP34 20 sockets marked OUTLET at the top of the unit Please check local regulations regarding the use of hot water supply pipework that is not made of copper Insulation of Pipes For the most economical operation of the water heater it is recommended that all hot water lines are insulated Where the hot water pipes are installed outdoors the insulation should be UV stabilised Inlet Connections Isolating Valve Spindle Vertical Cold Water ni Temperature Protection Water heaters can produce very hot water To reduce the risk of scald injury it is mandatory under the requirements of Australian Standard AS NZS3500 4 that a suitably approved temperature control device be fitted to the hot water supply to outlets used primarily for personal hygiene This valve should be checked at regular intervals to ensure its operation and settings remain correct Expansion Control Valve Inlet Strainer Union Connection Non return Valve Note a combined isolating valve non return valve line strainer may be used Expansion Control Valve only required where local regulations demand although it is recommended in areas where the water saturation index is above 0 40 see page 12 H4127 Rev B A bi Thermann Owner s Manual THERM2NN 4 Star Gas Hot Water Heater Gas Connections Refer to the Data Label for correct gas type Gas piping should be connected through the side of the case see f
3. or special equipment and or excessive labour at the determination of GWA to make the Unit accessible for repair or replacement As required by legislation including under the ACL any claims for damage to furniture carpets walls foundations or any other consequential loss either directly or indirectly due to defects of any kind in a Unit will only be met by GWA where the damage could be considered reasonably foreseeable Our goods come with guarantees that cannot be excluded under the Australian Consumer Law You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure 18 H4127 Rev B THERMANN Thermann Owner s Manual 4 Star Gas Hot Water Heater H4127 Rev B 19 Thermann Owner s Manual 4 Star Gas Hot Water Heater THERMANN For advice repairs and service call 1800 O80 O55 Serial Number H4127 Rev B
4. 1895 B Hot Water Outlet 1325 1620 C Cold Water Inlet 220 220 C 1 t t 10 H4127 Rev B THERMANN Thermann Owner s Manual 4 Star Gas Hot Water Heater Commissioning Adjustments Note Commissioning adjustments can be done only by a licensed tradesperson Main Gas Pressure Regulator Adjustment The main burner pressure must be set at installation and should not need readjustment The pressure is best checked by connecting a water manometer or equivalent to the test point nipple on the gas control The test point pressure must comply with the value on the Data Label If adjustment is necessary proceed as follows 1 Remove the securing screw 1 from the top of the Gas Control and lift the plastic cover 2 upwards 2 Locate the regulator adjustment screw on the lower left hand side of the Gas Control 3 3 Light the burner Rotate adjustment screw clockwise to increase or anti clockwise to decrease pressure 4 Replace the plastic cover and securing screw Note For propane water heaters the pressure adjustment is at the gas cylinder regulator Adjustment should be conducted as required to ensure correct supply pressure to water heater as per AS NZS 560111 1 Ignition System Spark Gap Check the gap between the spark electrode and the pilot burner is 3 5mm and adjust as necessary Push the igniter button to test for a spark Warning Test the spark gap only where there is n
5. THERMANN OWNER S MANUAL amp INSTALLATION GUIDE 4 Star Gas Hot Water Heater MODELS 135THMAN 135THM4P T70THMAN 170THM4P Installation Details Owner s Information Warranty For advice repairs and service call 1800 O80 055 Carefully remove all packaging and transit protection from the heater before installation Dispose of the packaging responsibly using re cycling facilities where they exist Specifications and materials may change without notice Effective for all Thermann 4 star water heaters manufactured and sold after 1st December 2013 H4127 Rev B Thermann Owner s Manual 4 Star Gas Hot Water Heater THERMANN Contents Installation Details Plumbing Connections Gas Connections Specifications Commissioning Adjustments Owner s Information System Maintenance Troubleshooting Warranty 10 11 12 14 15 16 H4127 Rev B THERMANN Thermann Owner s Manual 4 Star Gas Hot Water Heater Installation Details Outdoor Tank Installation The water heater must be installed outdoors with the minimum clearances as shown in the figure below We recommend a plinth be installed under the water heater where the water heater is subjected to wet conditions Minimum clearance around the windows and doors must be maintained refer to AS NZS 560111 Location The water heater should be located as close as possible to the most frequently used hot w
6. Thermann Owner s Manual 4 Star Gas Hot Water Heater Warranty accidental damage abuse misuse maltreatment abnormal stress or strain harsh or adverse water conditions including excessive water pressure or temperature neglect of any kind or otherwise as a result of any use of the Unit contrary to the product manual or other instructions provided with this water heater Alterations or repair of the Unit other than by an accredited and licensed service agent or technician are not covered Attachment of accessories or use of non genuine replacement parts other than those manufactured or approved by GWA are not covered by this Warranty This Warranty applies only to the Unit and does not cover any ancillary plumbing or electrical parts supplied by the installer such as pressure limiting valve tempering valve line strainer stop cocks non return valve electrical switches pumps or fuses or faulty installation The Unit must be installed by a licensed plumber in accordance with information set out in the Owner s Manual and or Installer s Guide supplied with the Unit and or any relevant statutory requirements In addition to this Warranty certain legislation including the ACL may give you rights which cannot be excluded restricted or modified This Warranty must be read subject to such legislation and nothing in this Warranty has the effect of excluding restricting or modifying those rights If GWA fails t
7. ate of manufacture refer to the data label on the unit Replacement Guarantee If an inner cylinder fails on a Thermann hot water unit within a further six 6 years after the end of the initial one 1 year warranty period GWA will provide a free replacement hot water unit at the nearest approved GWA agent or GWA office to the owner s home Under this replacement guarantee the transport installation and labour costs of delivering the replacement hot water unit and removing and replacing the existing hot water unit with the replacement hot water unit will be the responsibility of the owner of the existing hot water unit Conditions of Warranty and Replacement Guarantee The benefits provided to you by the warranty and replacement guarantee collectively Warranty are in addition to the guarantees and other rights and remedies available to you under the Australian Consumer Law ACL If the Unit fails to conform to this Warranty during the applicable period GWA will replace any failed component or where necessary in the absolute discretion of GWA replace the Unit free of charge including reasonable labour costs incurred in normal business working hours This Warranty only applies to defects which have arisen solely from faulty materials or workmanship in the Unit and does not apply to other defects which may have arisen as a result of without limitation the following H4127 Rev B THERMANN
8. ater may become over reactive To alleviate this the anode should be replaced with an aluminium alloy anode available from your local Reece branch The saturation index SI is a measure of the corrosiveness or carbonate scaling potential of water Negative SI indicates corrosive water that is non scaling The more negative the SI the more corrosive the water Conversely a more positive SI indicates a greater potential for scaling If the SI is greater than 0 40 an expansion control valve should be fitted as shown in the diagram on page 6 H4127 Rev B THERMANN Thermann Owner s Manual 4 Star Gas Hot Water Heater Owner s Information How Long Will The Heater Run Each Day The length of time that the heater will run each day will vary dependent upon the amount of hot water being used by the household Caution All water heaters have the ability to produce hot water ina surprisingly short time To reduce the risk of scald injury it is mandatory under the requirements of Australian Standards AS3500 that an Australian Standards approved temperature control valve be fitted to the hot water supply pipe work This valve should be checked at regular intervals to ensure its operation and settings remain correct What Should I Do During Holidays If the hot water system is not used for two weeks or more a quantity of hydrogen gas which is highly flammable may accumulate in the water heater To dissipate thi
9. ater outlet Ensure that the data label is clearly visible and that there is adequate access for servicing the unit Note All models are equipped with a sacrificial anode accessible through the top cover Allow 50 of the height of the water heater for clearance above to replace the anode Ra Saale Wy a ae a A alien Say aed A 500mm B 300mm min For further details refer to AS NZS 5601 1 Gas Installations General Installations H4127 Rev B Thermann Owner s Manual 4 Star Gas Hot Water Heater THERMANN Plumbing Connections Installation Requirements This water heater must be installed by a licensed tradesperson and in accordance with e AS NZS3500 4 Plumbing and Drainage Heated Water Services e AS NZS 5601 1 Gas Installations e Local authority regulations e Outside Australia please refer to local plumbing and building codes and regulations e Notice to Victorian customers from the Victorian Plumbing Industry Commission this water heater must be installed by a licensed person as required by the Victorian Building Act 1993 Only a licensed person will give youa compliance certificate showing that the work complies with all the relevant Standards and only a licensed person will have insurance protecting their workmanship for 6 years Water Supply Pressure This water heater is designed for direct connection to water supply pressures of no greater than Al
10. higher number for higher water temperatures or a lower number for lower water temperatures 10 Replace the access panel and ensure that it is firmly in position before operating the appliance 11 If the burner does not light at the selected setting the water may already be at the selected temperature Warning Do not attempt to light if the pilot is out and the knob is in the ON position one of the number settings Follow steps above Shutting Down The Water Heater 1 Turn the knob to off position 2 Turn water off at water isolating valve Turning Off Gas To The Appliance 1 Turn the knob to off position 2 Turn off the gas isolation valve To maintain safety and efficiency this heater should be serviced annually by an authorised service agent Note Instruct owner in water heater operation before leaving H4127 Rev B Thermann Owner s Manual A le 4 Star Gas Hot Water Heater THERMANN Specifications 2 9 2 System Components 1 1 PTR Valve 2 Hot Water Outlet To House 5 Cold Water Inlet a N 1 ja 422 ee Tank Specifications Model Numbers 135THM4N 170THM4N 502 ia 135THM4P 170THM4P Capacity L 135 70 7 Net Weight Empty kg 80 86 Relief Valve Pressure kPA 1400 1400 Gas Consumption 135THM4N 170THM4N 23 5 MJ h 27 MJ h 135THM4P 170THM4P B 22 5 MJ h 26 MJ h A Height 1600
11. hting the Water Heater Instructions for lighting procedure are on the inside of the access cover and shown below Turn the knob fully clockwise to the off position 2 Wait five 5 minutes so any build up of unburnt gas can escape 3 Turn the knob to the pilot position 4 Depress the knob fully Cuntil a disappears below housing and after thirty 30 seconds whilst keeping the knob depressed repeatedly press the igniter button for up to 40 seconds until the pilot flame ignites Note It is not possible to depress the knob fully if the gas control has activated its safety shut off feature In this case wait 60 seconds for the gas control to reset 5 Keep the knob depressed for twenty 20 seconds after the pilot flame lights The pilot flame can be observed if a mirror is placed directly below the pilot assembly 6 Release the knob and check if the pilot is still alight H4127 Rev B THERMANN Thermann Owner s Manual 4 Star Gas Hot Water Heater Gas Connections 7 If pilot has failed to light or has not remained alight turn gas control knob to off Wait five 5 minutes for the escape of unburnt gas then begin again at step 3 8 When the pilot flame remains alight with the knob released turn the knob anticlockwise to one of the number settings A setting of 6 is recommended and this will give a water temperature of about 60 C 9 Turn the knob to a
12. ief Valve for a few seconds then release gently This may dislodge a small particle of foreign matter and rectify the fault Steady flow PTR more than 20L per day This may be caused by excessive water supply pressure a faulty Pressure amp Temperature Relief Valve or a faulty gas control Turn off the gas supply and contact your licensed plumber H4127 Rev B Thermann Owner s Manual 4 Star Gas Hot Water Heater THERMANN Warranty Thermann Hot Water Unit Manufactured by GWA Group Limited GWA Terms of Warranty and Replacement Guarantee All Thermann water heaters manufactured and sold after 31 December 2011 are backed by a comprehensive one 1 year full parts and labour warranty conditions apply see below Furthermore the Thermann tank includes a guarantee to replace your hot water unit if the inner cylinder fails within seven 7 years conditions apply see below The terms of the Warranty and replacement guarantee are set out below 1 Year Comprehensive Warranty Your hot water system and its components Unit are covered by 1 year parts and labour warranty against defective factory materials or workmanship This warranty period commences from the date of installation of the Unit providing you have proof of this installation date Where the date of completion of installation is not known or cannot be proven then this warranty will commence one 1 month after the d
13. igure below The plastic grommet must be installed around the pipe and clipped into the case The gas control is fitted with a RC 15 socket A union connection should be used Gas pipe sizes should be in accordance with AS NZS 560111 Warning This water heater should be checked on installation and the test point pressure set in accordance with that marked on Data Label Adjust gas pressure as required to achieve specified gas test point pressure If problems are encountered Gas entry in this process contact the Reece E Customer Care Department on 1800 080 055 Failure to accurately set the pressure can result in damage to the water heater and automatically cancels the Manufacturer s Warranty This water heater is to be installed only by an Authorised Person H4127 Rev B 7 Thermann Owner s Manual 4 Star Gas Hot Water Heater THERMANN Gas Connections Filling the Water Heater The water heater must be filled with water before lighting Open all hot water taps Open isolating valve at the cold water inlet slowly and allow water heater to fill until water flows through the system Close each hot water tap after the air is expelled from its line Open the PTR Valve for approximately 10 seconds by lifting the lever on the valve to ensure water is relieved to waste through the relief drain pipe Lower lever gently and check that it closes correctly Thermostat and gas control knob Lig
14. l Models 1120kPa Where the mains pressure can exceed or fluctuate beyond the pressure shown above a pressure limiting device complying with AS1357 must be fitted in the cold water inlet supply This device must be installed after the isolating valve and set below the pressure shown above Note during periods of lower demand water pressure may increase Pool Heating This water heater must not be used for pool heating H4127 Rev B THERMANN Thermann Owner s Manual 4 Star Gas Hot Water Heater Plumbing Connections Pressure amp Temperature Relief Valve The Pressure amp Temperature Relief Valve is supplied loose with the water heater The valve rating is All Models 1400kPa The PTR valve must be installed directly into the top socket marked RELIEF VALVE The drain line from this valve must run in a continuously downward direction in a frost free ambient position with the discharge end left open to atmosphere permanently The PTR Valve is not intended to enable connection of the water heater to supplementary energy sources such as solar panels or slow combustion stoves refer AS NZS 3500 4 for guidance on these types of installations The PTR Valve must not be tampered with or removed The water heater must not be operated unless this valve is fitted and in working order The PTR Valve should be checked for adequate performance or replaced at intervals not exceeding 5 years or less in a
15. o build up of gas Test The Water Heater Test operation by lighting the water heater see Lighting the Water Heater earlier in this manual H4127 Rev B Thermann Owner s Manual 4 Star Gas Hot Water Heater THERMANN Owner s Information Safety This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children and animals should be supervised to ensure that they do not interfere with the appliance DO NOT place articles on or against this appliance DO NOT use store chemicals or flammable materials or spray aerosols near this appliance DO NOT operate with panels or covers removed from the appliance Water Quality Your Thermann water heater has been manufactured to suit water conditions of most Australian metropolitan supplies Please note that harsh water supplies can have a detrimental effect on the water heater and its life expectancy If you are unsure about your water quality you can obtain information from your local water supply authority The water heater is designed for use in areas where the Total Dissolved Solids TDS content of the water supply is less than 2500 mg L In areas where the TDS exceeds 600mg L the magnesium alloy anode supplied in the he
16. o meet a guarantee under the ACL your remedy for such failure may be limited to any one or more of the following e replacement of the Unit e repair of the Unit e refunding the cost of the Unit payment of reasonable costs of having the Unit repaired payment in respect of the reduced value of the Unit Any defective part of the Unit must be returned to the point of sale before replacement can be considered under the terms of this Warranty If the costs of returning any defective parts are unreasonable please contact GWA on 1300 412 612 so that we can arrange a collection if appropriate Warranty claims can be made at the point of sale or by posting a warranty claim to GWA contact details listed below within one 1 month of the appearance of a defect Warranty claims under this extended warranty must include the following details e Date of Purchase e Location of Purchase e Proof of Purchase e Date of Installation e Contact Details e Product Serial Number Business Address GWA Group Limited Level 1 7 9 Irvine Place Bella Vista NSW 2151 Australia Telephone 1300 412 612 H4127 Rev B Thermann Owner s Manual THERMANN 4 Star Gas Hot Water Heater Warranty Note If the Unit is located in a position that does not comply with the installation instructions or relevant statutory requirements then this Warranty does not cover major dismantling or removal of cupboards doors walls
17. odes to ensure continued system life and operational safety In locations where the water has a TDS greater than 600 mg L see Water Quality on page 12 this service is recommended every 3 years The five year service must be carried out by a licensed tradesperson Replace the Pressure amp Temperature Relief Valve Replace the anode Flush the water heater by doing the following vi Turn off gas and electricity supply Turn off the cold water supply to the water heater at the isolating valve Gently operate the easing lever on the Pressure amp Temperature Relief Valve to release the pressure in the water heater Disconnect the cold water inlet union to the heater and attach a drain hose Gently operate the Pressure amp Temperature Relief Valve to let air into the heater and allow water to escape through the hose Flush the heater until clear water appears then reconnect all fittings fill the heater and restore the gas and electricity supply H4127 Rev B THERMANN Thermann Owner s Manual 4 Star Gas Hot Water Heater Troubleshooting What Should Check Before Making A Service Call If there is not enough hot water it is recommended that the following points be considered before making a service call If after checking the following points the problem has not been identified please contact Reece Customer Care on 1800 O80 O55 No Hot Water e Confirm the water heaters gas burner
18. reas where local regulations apply Important The PTR Valve and its drain outlet pipe must not be sealed or blocked It is normal for the PTR valve to leak a small amount of water during heating cycles Danger Failure to operate the relief valve easing lever at least once every six 6 months may result in a problem with the water heater and in some cases the tank may explode Warning A separate drain line must be run for this relief valve It is not permitted to couple drain lines from relief valves into a single common drain line Cold Water Connection An approved isolating valve non return valve line strainer optional but recommended and union must be fitted between the supply main and either of the RP 4 20 sockets marked INLET at the bottom of the water heater All fittings must be approved by the relevant Authority See the diagram on page 6 for details Note Brass plugs are supplied with the water heater to plug off the unused fittings Ensure that a sealing material is applied to the plugs to prevent leaking Note for S A and W A It is a state requirement that a Expansion Control Valve be fitted on the cold water supply line between the non return valve and the water heater See the diagram on page 6 for details H4127 Rev B Thermann Owner s Manual 4 Star Gas Hot Water Heater THERMANN Plumbing Connections Hot Water Connection The hot water pipe should be connected to either
19. s gas safely it is recommended that a hot tap be turned on for several minutes at a sink basin or bath but not a dishwasher clothes washer or other appliance During this procedure there must be no smoking open flame or any other electrical appliance operating nearby If hydrogen is discharged through the tap it will probably make an unusual noise similar to air escaping Note There are no user serviceable components in the system How Does My System Work The Thermann water storage tank is used to store the heated water ready for household use It has a high temperature vitreous enamel lining to provide long life and a high density polyurethane insulation to ensure minimal heat loss Never turn the gas supply off during normal use H4127 Rev B 1S Thermann Owner s Manual 4 Star Gas Hot Water Heater THERMANN System Maintenance Six Monthly Service By Owner Open the Pressure amp Temperature The service should include the following Relief Valve for approximately 10 seconds by lifting the lever on the valve to ensure water is relieved to waste through the relief drain pipe Lower lever gently and check that it closes correctly Other than this personally inspecting or servicing any part of the system is not recommended Five Year Service By Authorised Personnel Only After each 5 years of operation you should contact the local service agent to replace all safety valves and an
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