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Summary of Contents for AquaMAX G270SS
- Page 1 Owner’s Guide Installation Instructions Gas Domestic Outdoor Water Heater G270SS, G340SS, G390SS Models This water heater must be installed and serviced by a qualified person. Please leave this guide with the householder.
- Page 2 PATENTS This water heater may be protected by one or more patents or registered designs in the name of Aquamax Australia Pty Limited or Rheem Australia Pty Ltd. TRADEMARKS ® Registered trademark of Aquamax Australia Pty Limited or Rheem Australia Pty Ltd.
- Page 3 Aquamax warranty. We recommend you read pages 8 to 27, and the terms of the Aquamax warranty on pages 4 to 7. The other pages are intended for the installer but may be of interest.
- Page 4 The decision of whether to repair or replace a faulty component is at Aquamax’s sole discretion. If you require a call out and we find that the fault is not covered by the Aquamax warranty, you are responsible for our standard call out charge. If you wish to have the relevant component repaired or replaced by Aquamax, that service will be at your cost.
- Page 5 AQUAMAX STAINLESS STEEL GAS GS SERIES 270-390 MODELS Where the water heater is installed outside the boundaries of a metropolitan area as defined by Aquamax or further than 25 km from either a regional Aquamax branch office or an Accredited Aquamax Service Agent's office, the cost of transport, insurance and travelling between the nearest branch office or Aquamax Accredited Service Agent’s office and the installed site shall be...
- Page 6 3. WHAT IS COVERED BY THE AQUAMAX WARRANTY FOR THE WATER HEATERS DETAILED IN THIS DOCUMENT Aquamax will repair or replace a faulty component of your water heater if it fails to operate in accordance with its specifications as follows:...
- Page 7 (from the rating label on the water heater). b) Aquamax will arrange for the water heater to be tested and assessed on- site. c) If Aquamax determines that you have a valid warranty claim, Aquamax will repair or replace the water heater in accordance with this warranty.
- Page 8 The water heater must not be operated unless each of these devices is fitted and is in working order. The Aquamax warranty may not cover faults if relief valves or other safety devices are tampered with or if the installation is not in accordance with these instructions.
- Page 9 Ensure the flue terminal is not obstructed in any way at any time. • Servicing of a water heater must only be carried out by qualified personnel. Phone Aquamax Service. • Only a person qualified to install or service a water heater can drain the water heater, if this is required.
- Page 10 (6) months may result in the water heater cylinder failing. If water does not flow freely from the drain line when the lever is lifted, then the water heater must be checked. Phone Aquamax Service to arrange for an inspection.
- Page 11 SAFETY, WARNINGS, INSTALLATION NOTES INSTALLATION NOTES This water heater must be installed: • by a qualified person, • in accordance with the installation instructions, • in compliance with the Plumbing Code of Australia (PCA) and Plumbing Standard AS/NZS 3500.4, ▪ This water heater is suitable for outdoor installation only. ▪...
- Page 12 This water heater complies with the Lead Free requirements of the National Construction Code Volume Three. MODEL TYPE ® The Aquamax water heater model you have chosen is suitable for outdoor installation only. The model is a five star high efficiency, quick recovery stainless steel water heater.
- Page 13 Note: Where a temperature limiting device is fitted to the hot water pipe work after an Aquamax G390SS model, the dial of the water heater’s adjustable water mixing valve must be set on position ‘5’. Refer to “Adjustable Water Mixing Valve”...
- Page 14 13. Adjustable Water Mixing Valve The Aquamax G390SS model also has a user adjustable water mixing valve. The adjustment dial is located on the left hand side of the water heater, between the cold water inlet and hot water outlet connections.
- Page 15 Note: When a temperature limiting device is fitted to the hot water pipe work downstream of an Aquamax G390SS model or if the water heater is installed as part of a circulated flow and return system, the dial of the water heater’s adjustable water mixing valve must be set on position ‘5’.
- Page 16 ABOUT YOUR WATER HEATER Using a thermometer, measure the water temperature at the opened tap. If the measured water temperature is as desired, the water mixing valve is correctly set. If the measured water temperature is not as expected, repeat steps 1 to 7 until the desired water temperature is obtained.
- Page 17 ABOUT YOUR WATER HEATER GOING ON HOLIDAYS If you plan to be away from home for one or two nights, we suggest you leave the water heater turned on. However, if you plan to stay away more than a few nights, the gas control knob can be set to the red star “...
- Page 18 Phone Aquamax Service. Note: The service and routine replacement of any components, if required, are not included in the Aquamax warranty. A charge will be made for this work. Only genuine replacement parts should be used on this water heater.
- Page 19 Note: The major service and routine replacement of any components, such as the relief valve(s), are not included in the Aquamax warranty. A charge will be made for this work. Only genuine replacement parts should be used on this water heater.
- Page 20 A list of postcodes is available on the Aquamax website (www.aquamax.com.au) indicating known areas where the stainless steel cylinder is not covered by the Aquamax warranty due to the water chemistry of the area. The list is not necessarily exhaustive and there may be areas outside of these postcodes where the stainless steel cylinder is not covered by the Aquamax warranty due to the water chemistry of the area.
- Page 21 Where the pH is less than 6.0 or greater than 9.5, the Aquamax warranty does not apply to a stainless steel cylinder. Water with a pH less than 6.0 may be treated to raise the pH.
- Page 22 Where the saturation index exceeds +0.40, the water is very scaling. An expansion control valve must be fitted on the cold water line after the non-return valve to protect and for the Aquamax warranty to apply to the temperature pressure relief valve and water heater cylinder.
- Page 23 WATER SUPPLIES TOTAL DISSOLVED SOLIDS The stainless steel cylinder of the water heater is not covered by the Aquamax warranty when the total dissolved solids (TDS) content in the water is greater than 600 mg / L. Note: Some water analysis reports may state the conductivity of the water rather than the level of total dissolved solids.
- Page 24 Warning: Hotter water increases the risk of scald injury. • Water heater size Do you have the correct size water heater for your requirements? The sizing guide in the Aquamax sales literature and on the Aquamax website (www.aquamax.com.au) suggests average sizes that may be needed.
- Page 25 SAVE A SERVICE CALL WATER NOT HOT ENOUGH • Has your hot water usage increased? You may find that due to heavy hot water usage the water temperature may be lower than normally expected. • Is the adjustable water mixing valve setting correct? For G390SS models, check the setting of the adjustable water mixing valve.
- Page 26 – then stops until water reheats The gas control must be turned off using the knob on top of the gas control “Close Down Procedure” thermostat (refer to on page 52). Phone Aquamax Service or nearest Accredited Service Agent to arrange for inspection.
- Page 27 Has your water heating tariff rate been increased by your gas retailer since your previous bill? Check your previous bill and compare gas rates and charges. IF YOU HAVE CHECKED ALL THE FOREGOING AND STILL BELIEVE YOU NEED ASSISTANCE, PHONE AQUAMAX SERVICE OR THEIR NEAREST ACCREDITED SERVICE AGENT.
- Page 28 INSTALLATION THIS WATER HEATER IS FOR OUTDOOR INSTALLATION ONLY. THIS WATER HEATER IS NOT SUITABLE FOR POOL HEATING. This water heater is for connection to natural gas only. Check the water heater is suitable for the gas type available. Refer to the rating label affixed behind the access cover on the water heater.
- Page 29 500 mm above, below and either side the flue terminal. Failure to observe this precaution can cause problems in high wind areas. Alternatively, the water heater may be installed partially recessed into an external wall. A flashing kit for a recessed installation is available from Aquamax. Refer “Flashing Kit” on page 32.
- Page 30 It is recommended to install a suitable filter on the cold water supply line to the water heater if the water supply contains or has a future risk of containing suspended solids. The Aquamax warranty will not cover resultant faults on components including the stainless steel cylinder due to the effects of sludge...
- Page 31 13 mm. Should pre drilling be required, extreme caution must be observed when penetrating the jacket of the water heater. Note: If the cylinder is damaged as a result of attaching pipe clips or saddles to the jacket, any resultant faults will not be covered by the Aquamax warranty.
- Page 32 INSTALLATION FLASHING KIT A Flashing Kit (PN AQ1184105 – G270SS models, PN AQ1064105 – G340SS, G390SS models) for a recessed installation is available from Aquamax. It is sold separately to the water heater. The Flashing Kit must not be installed within a 100 mm wide vertical strip either side of the cold water inlet, hot water outlet and temperature pressure relief valve.
- Page 33 Note: When a temperature limiting device is fitted to the hot water pipe work downstream of an Aquamax G390SS model, the dial of the water heater’s adjustable water mixing valve must be set on position ‘5’. Refer to “Adjustable...
- Page 34 INSTALLATION CIRCULATED HOT WATER FLOW AND RETURN SYSTEM If an Aquamax water heater is to be installed as part of a circulated hot water flow and return system, a water heater able to provide a hot water outlet temperature of at least 60°C must be used. Note: The thermostat must always be set to at least 60°C.
- Page 35 Under either condition, the operation and performance of the device cannot be guaranteed. TYPICAL INSTALLATION – OUTDOOR LOCATION INSULATED HOT WALL BRACKET WATER PIPE HOT WATER OUTLET G270SS, G340SS Use a union connection MODELS and insulate hot water pipe. TEMPERATURE PRESSURE RELIEF...
- Page 36 1.00 kPa Full 2.55 Main injector orifice (mm) Pilot injector number * Based on an inlet water temperature of 15°C. Letter N is included in the model number, e.g. G270SS-NG, to denote gas type. Technical data is subject to change.
- Page 37 INSTALLATION G340SS-NG Model – Without Mixing Valve Storage capacity (L) Gas Details – Natural Gas Hot water delivery (L) Gas consumption 40 MJ/h Recovery rate * Minimum gas pressure 185 L/hr @ 45°C 1.13 kPa First hour capacity (L) Maximum gas pressure 3.50 kPa Mass (kg) Cartoned...
- Page 38 INSTALLATION G390SS-NG Model – With Mixing Valve Storage capacity (L) Gas Details – Natural Gas Hot water delivery (L) 140 ~ 205 Gas consumption 40 MJ/h Recovery rate * Minimum gas pressure 185 L/hr @ 45°C 1.13 kPa First hour capacity (L) Maximum gas pressure 3.50 kPa Test point gas pressure...
- Page 39 CONNECTIONS – PLUMBING All plumbing work must be carried out by a qualified person and in compliance with the Standard AS/NZS 3500.4 and all local codes and regulatory authority requirements. All gas work must be carried out by a qualified person and in compliance with the Standard AS/NZS 5601.1, all local codes and regulatory authority requirements.
- Page 40 CONNECTIONS – PLUMBING HEAT TRAP The hot water outlet on G270SS and G340SS models is located on top of the water heater. An external heat trap is required be installed. The heat trap is to be within one (1) metre of the hot water outlet, before the first hot water branch and have a vertical drop of 250 mm from the outlet of the water heater.
- Page 41 CONNECTIONS – PLUMBING • The valve must be insulated with closed cell polymer insulation or USE TEFLON TAPE similar (minimum thickness 9 mm) and the insulation installed so as not to impede the operation of the valve. insulation must weatherproof and UV resistant if exposed.
- Page 42 CONNECTIONS – PLUMBING RELIEF VALVE DRAIN DN15 copper drain lines must be fitted to the temperature pressure relief valve and expansion control valve (if one is installed) to carry the discharge clear of the water heater. Connect the drain lines to the valves using disconnection unions.
- Page 43 Warning: Always isolate the water heater before pressure testing the gas supply system. Disconnect the water heater after the isolating cock to prevent the risk of serious damage to the gas control. The Aquamax warranty does not cover damage of any nature resulting from failure to observe this precaution.
- Page 44 COMMISSIONING TO FILL AND TURN ON THE WATER HEATER The gas pilot or burner must not be lit until the water heater is filled with water. • Open all of the hot water taps in the house (don’t forget the showers). •...
- Page 45 COMMISSIONING • Replace the access cover. • Adjust the adjustable water mixing valve on a G390SS model if required. “Adjustable Water Mixing Valve” Refer to on page 14. Warning: Upon completion of the installation and commissioning of the water heater, leave this guide with the householder or responsible officer. DO NOT leave this guide inside of the access cover of the water heater, as it may interfere with the safe operation of the water heater or ignite when the water heater is turned on.
- Page 46 COMMISSIONING GAS SUPPLY PRESSURE TESTING To check and adjust the gas supply pressure to the water heater: Ensure all other gas appliances in the premises are operating (burners alight). Remove the access cover. “Close Down Procedure” Close down the gas control (refer to on page 52) and close the gas isolation valve to the water heater.
- Page 47 COMMISSIONING BURNER GAS PRESSURE TESTING AND ADJUSTMENT The burner gas pressure must be checked and adjusted (if required) as part of the commissioning procedure. Refer to the gas details in the tables on pages 36 to 38 or check the rating label of the water heater for the burner test point pressure with the burner operating.
- Page 48 After adjusting the burner gas pressure refit the temperature dial. Note: If the test point pressure cannot be adjusted to within 5% of the specified value, complete this procedure and phone Aquamax Service to arrange for an inspection. “Close Down Procedure”...
- Page 49 Use only your hand to turn the gas control knob, never use tools. If the control knob will not turn by hand, call Aquamax Service or a qualified service technician. Force or attempted repair may result in a fire or explosion.
- Page 50 49. • Remove the access cover. G270SS model: Remove the single screw retaining the access cover and lift out the access cover. G340SS and G390SS models: Lift the access cover up then pull the bottom of the cover away and down from the water heater.
- Page 51 46 and 47. If the test point pressure cannot be adjusted to within 5% of the specified value, refer to Aquamax Service. • If unable to get the water heater working properly, contact Aquamax Service. When satisfied everything is working properly instruct the user in the correct method of operation.
- Page 52 LIGHTING THE WATER HEATER CLOSE DOWN PROCEDURE • Remove the access cover. G270SS model: Remove the single screw retaining the access cover and lift out the access cover. G340SS and G390SS models: Lift the access cover up then pull the bottom of the cover away and down from the water heater.
- Page 53 DRAINING THE WATER HEATER Warning: Exercise care, as water discharged from the water heater may be of a very high temperature. To drain the water heater: • Turn off the water heater (refer to “To Turn Off The Water Heater” page 45).
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- Page 56 This information should be provided to assist the customer in an event that a claim is to be made under the Aquamax warranty. Plumber (Name & Company): Plumber’s Licence Number: Compliance Certificate...
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