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INSTALLATION – WATER HEATER

22

TYPICAL INSTALLATION

– OUTDOOR LOCATION – 20 LITRE MODEL

TYPICAL INSTALLATION

– OUTDOOR LOCATION – 27 LITRE MODEL

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Summary of Contents for Continuous Flow

Page 1: ...ATER HEATER OWNER S MANUAL AND WARRANTY INSTALLATION INFORMATION WARNING Plumber Be Aware Use copper pipe ONLY Plastic pipe MUST NOT be used It is a requirement of a solar water heater installation that all pipe work be in copper and not plastic due to the effects of high water temperatures and pressures Solahart Industries Pty Ltd ABN 45 064 945 848 ...

Page 2: ...ustries Pty Ltd or Rheem Australia Pty Ltd TM Trademark of Solahart Industries Pty Ltd or Rheem Australia Pty Ltd Note Every care has been taken to ensure accuracy in preparation of this publication No liability can be accepted for any consequences which may arise as a result of its application Warning Upon completion of the installation and commissioning of the water heater leave this guide with ...

Page 3: ...for the installer but may be of interest About Your Water Heater 4 Water Supplies 10 Save A Service Call 11 Installation Water Heater 14 Connections Plumbing 23 Connections Electrical 24 Multiple Installations 25 Commissioning 28 Draining The Water Heater 36 Warranty 37 Solahart Offices 40 ...

Page 4: ...constant temperature by the automatic adjustment of the gas supply to the burner to suit the water flow rate The gas burners extinguish when the hot tap is closed Automatic safety controls are fitted to the water heater to provide safe and efficient operation REDUCED HOT WATER FLOW WHEN HEAT EXCHANGER IS COLD At a cold start up i e when the water heater has not operated for some time which is most...

Page 5: ... requirement provided it is energised the booster preset outlet temperature setting is 70 C or higher and that a remote temperature controller is not used Warning Temperature controllers must not be fitted to this water heater as part of a solar water heater system because water at a temperature much higher than the controller setting can be delivered HOTTER WATER INCREASES THE RISK OF SCALD INJUR...

Page 6: ...ble or combustible materials near the water heater Flammable liquids such as petrol newspapers and similar articles must be kept well away from the water heater and the flue terminal Do not use aerosols stain removers and household chemicals near the water heater whilst it is working Gases from some aerosol sprays stain removers and household chemicals become corrosive when drawn into a flame Do n...

Page 7: ...pray insecticide around the water heater if necessary to rid the area of insects Do not spray the surface or into the air inlet or flue terminal of the water heater Insects encroaching into or nesting in the water heater can interfere with the operation of the water heater and also damage components Check the drain line from the safe tray if one is installed is not blocked MAJOR FIVE YEAR SERVICE ...

Page 8: ...rced out of the taps Close each tap as water flows freely from it Open the gas isolation valve fully at the inlet to the water heater Plug in the power supply cord at the power outlet Switch on the electrical supply at the power outlet to the water heater The water heater will operate automatically when you open a hot tap if boosting is required GOING ON HOLIDAYS If you are going on holidays it is...

Page 9: ...AS NZS 3500 4 The insulation must be weatherproof and UV resistant if exposed The insulation must be fitted up to the connections on both the solar storage tank and the in series gas booster VICTORIAN CUSTOMERS 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 ...

Page 10: ...mation should be sought from the supplier or it should be tested to ensure the water supply meets the requirements given in these guidelines for the Solahart warranty to apply SATURATION INDEX The saturation index SI is used as a measure of the water s corrosive or scaling properties In a corrosive water supply the water can attack copper parts and cause them to fail Where the saturation index is ...

Page 11: ...ng feature of this water heater Once the heat exchanger has warmed up the hot water flow will increase and remain at normal flow levels This feature will only occur at a cold start up and not when the heat exchanger is already warm from a recent use of hot water NO WATER FROM THE HOT TAP No flow of water from the hot tap may indicate a restriction in or failure of the cold water supply to the wate...

Page 12: ...glass Ensure the glass on your solar collectors is free of dust salt spray or any other matter which may reduce the effectiveness of the solar collectors If the collector glass becomes dirty hose down or if the solar collectors are accessible wash the collector glass with water and a soft brush when the solar collectors are cool Collector area is too small For most installations the number of sola...

Page 13: ...e models or as a numerical value 27 litre models If an error code appears Close the hot tap and switch off the electrical supply to the water heater Check the gas isolation valve at the gas inlet to the water heater is fully open Wait 5 minutes then switch on the electrical supply to the water heater and open a hot tap If the error code persists take note of the number of flashes or the numerical ...

Page 14: ...he solar water heater does not have an over temperature protection system then a solar transfer valve should be installed Note AS 3498 requires that a water heater provides the means to inhibit the growth of Legionella bacteria in potable water When this water heater is used as an in series booster for a solar water heater it can satisfy this AS 3498 requirement provided it is energised the booste...

Page 15: ...llowing requirements are extracted from the Gas Installations Standard The distances are measured along the wall behind the water heater At least 300 mm between the top of the flue terminal and the eaves At least 300 mm 20 litre models or 500 mm 27 litre models between the flue terminal and the edge of any opening into the building such as an openable door or window measured horizontally At least ...

Page 16: ...s below 20 C including wind chill factor The solar preheat line to the water heater must be insulated with suitable thickness insulation if freezing conditions are likely to occur The insulation must be fitted to the underside of the water heater and be weatherproof and UV resistant if exposed MAINS WATER SUPPLY Where the mains water supply pressure exceeds that shown in the table below an approve...

Page 17: ... to the solar storage tank but it MUST BE before the non return valve prior to an open circuit direct system The cold water line to the temperature limiting device can be branched off the cold water line either before or after the non return valve prior to a closed circuit indirect system If an expansion control valve is required it must always be installed after the non return valve and be the la...

Page 18: ...r for Open Circuit Direct Streamline Solar Water Heater Installation Two Temperature Zones Using a Temperature Limiting Device LEGEND In series Gas Booster as part of a Closed Circuit Indirect Solar Water Heater Installation Two Temperature Zones Using a Temperature Limiting Device to solar storage tank from solar storage tank from solar storage tank to solar storage tank from solar storage tank t...

Page 19: ...If circulated tempered water were to be returned back to the water heater depending on the location of the return line connection on the water supply line to the water heater then either water will be supplied to the cold water inlet of the temperature limiting device at a temperature exceeding the maximum recommended water supply temperature or when the hot taps are closed no water will be suppli...

Page 20: ...y unpackaged kg 16 Gas Details Hourly Gas Consumption MJ Min Gas Pressure kPa Test Point Gas Pressure kPa Max Gas Pressure kPa minimum maximum Model 20 20 20 20 20 Natural 153 1 13 0 170 0 870 3 50 Propane 153 2 75 0 190 1 185 3 50 Model numbers 4 Natural 5 Propane Digit 4 5 is included in the part number as the eighth last digit e g 10143204 to denote gas type Technical data is subject to change ...

Page 21: ...ty unpackaged kg 23 Gas Details Hourly Gas Consumption MJ Min Gas Pressure kPa Test Point Gas Pressure kPa Max Gas Pressure kPa minimum maximum Model 27 27 27 27 27 Natural 205 1 13 0 193 0 905 3 50 Propane 205 2 75 0 277 1 54 3 50 Model numbers 4 Natural 5 Propane Digit 4 5 is included in the part number as the eighth last digit e g 10143274 to denote gas type Technical data is subject to change ...

Page 22: ...INSTALLATION WATER HEATER 22 TYPICAL INSTALLATION OUTDOOR LOCATION 20 LITRE MODEL TYPICAL INSTALLATION OUTDOOR LOCATION 27 LITRE MODEL ...

Page 23: ...ains Water Supply on page 16 A disconnection union must always be provided at the cold water solar preheat inlet and hot water outlet on the water heater to allow for disconnection of the water heater Insulation used on the cold and hot water lines must extend up to the cold water solar preheat inlet and hot water outlet of the water heater Notes It is essential all pipe connections be correctly a...

Page 24: ...Refer to the Gas Installations Standard AS 5601 or AS NZS 5601 1 for the correct method of sizing the gas supply pipe to the water heater The pipe size selection must take into account the high gas input of this water heater refer to tables on pages 20 and 21 as well as all of the other gas appliances in the premises Warning Always isolate the water heater before pressure testing the gas supply sy...

Page 25: ...es at the installation to meet the requirements of the Standards and the application The recommended branch line size for the solar preheat and hot water and gas pipes is DN20 4 A full flow gate valve or ball valve is not required to be installed on the solar preheat water line to the system A non return valve or stop tap must not be installed 5 A full flow gate valve or ball valve not a stop tap ...

Page 26: ... climate chart is based on a flow rate from a shower outlet not exceeding 9 litres per minute and a tempered water temperature of 42 C Climate Chart Number of Shower Outlets 27L Models 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 number of water heaters warm tropical climate 20 C inlet temperature 1 1 1 2 2 2 3 3 3 3 4 4 4 5 5 5 6 6 6 6 number of water heaters moderate climate 15 C inlet tem...

Page 27: ...mum number of showers suitable for 1 x water heater in accordance with the climate chart Only the first water heater should be operating If other water heaters are operating adjust their SYR valves by turning the knob anti clockwise until the water heater turns off 7 Second water heater Open the next shower The second water heater should ignite If it fails to ignite adjust the SYR valve by turning...

Page 28: ... adjust the preset outlet temperature setting of the water heater Refer to Preset Outlet Temperature Setting on page 34 The automatic water governor incorporated in the water heater is not adjustable To complete the installation it is necessary to check the gas supply pressure at the inlet to the water heater refer to Gas Inlet Pressure on page 28 the minimum test point pressure and the maximum te...

Page 29: ...d ensure the burners are fully ignited It may be necessary to open a second tap 8 Turn on all other gas burning appliances in the house which are on the same gas supply 9 Observe the gas pressure reading on the manometer If the manometer reading is between the minimum and maximum inlet gas pressure ratings on the rating label no adjustment is required If the manometer reading is below the minimum ...

Page 30: ...299856 or a Bathroom controller cable PN 299857 Refer to the rating label on the water heater for the minimum test point gas pressure 1 Close any hot taps and ensure the burners are not operating 2 Switch off the electrical supply at the power outlet to the water heater 3 Remove the screws holding the front panel to the jacket 4 Gently disengage the front panel and pull forward to remove from the ...

Page 31: ... the rating label no further adjustment is required 13 To adjust press and hold down the adjuster button LH is shown on the controller display The red LED will glow and remain solid Note The adjuster button must be held down continuously through steps 13 to 15 14 Press the MIN button and observe the reading on the manometer Note While the MIN button is pressed the gas pressure will at first increa...

Page 32: ...rees with the rating label no further adjustment is required 11 To adjust press and hold the adjuster button LH is shown on the LED display Note The adjuster button must be held down continuously through steps 11 to 13 12 Press and hold the MIN button and observe the reading on the manometer The manometer reading will change as the test point gas pressure adjusts Note While the MIN button is press...

Page 33: ...ntroller by pressing the on off button Maximum test point gas pressure Refer to the rating label on the water heater for the maximum test point gas pressure 20 litre model Follow Steps 10 to 16 of the Minimum test point gas pressure 20 litre models procedure on page 30 but open the hot tap fully and use the MAX button instead of the MIN button 27 litre model Follow Steps 8 to 14 of the Minimum tes...

Page 34: ... adjusting the preset outlet temperature setting procedure Warning The removal of the front panel will expose 240 volt wiring Take care not to touch wiring terminals The adjustment must be carried out by a qualified person Warning This procedure will involve the adjustment of dip switches Adjustment of a dip switch should only be made with an insulated tool To check or adjust the preset outlet tem...

Page 35: ... AND ADJUSTMENT BUTTONS CONTINUOUS FLOW WATER HEATER 86 87 SERIES 022 024 027 MODELS 1 2 3 4 OFF ON DIP1 1 2 3 4 ON 1 2 3 4 OFF ON DIP2 MIN MAX ADJ 1 2 3 4 ON 20 litre model 27 litre model 7 Switch DIP SWITCHES 3 and 4 to the off down position The preset outlet temperature setting is now set 20 litre model The red LED will go out 27 litre model The temperature display will go blank 8 Switch off th...

Page 36: ...ater Damage caused by freezing due to the unavailability of power at the water heater is not covered by the Solahart warranty refer to Terms of the Solahart Warranty on page 37 If the power has been switched off to the water heater and there is a risk of freezing then it is necessary to drain the water heater refer to Draining the Water Heater on page 36 DRAINING THE WATER HEATER To drain the wate...

Page 37: ...ed in a position that does not allow safe or ready access the cost of that access including the cost of additional materials handling and or safety equipment shall be the owner s responsibility In other words the cost of dismantling or removing cupboards doors or walls and the cost of any special equipment to bring the water heater to floor or ground level or to a serviceable position is not cover...

Page 38: ...the defect and in any event within the applicable warranty period 4 2 You are not entitled to make a claim under this warranty if your water heater a Does not have its original serial numbers or rating labels b Is not installed in Australia 5 HOW TO MAKE A CLAIM UNDER THIS WARRANTY 5 1 If you wish to make a claim under this warranty you need to a Contact Solahart on 1800 638 011 and provide owner ...

Page 39: ... Installation please circle New Solar to Solar Tank Replacement Other Work Delivery Details System Model No System Type Tank Model No Tank Serial No Collector Model No No of Collectors Collector Serial No s 1 2 3 4 Booster Type please circle Electric continuous Off Peak 1 night Off Peak 2 night day In Tank Gas Booster In Line Booster Solar Preheat only Booster Control please circle None Timer Manu...

Page 40: ...8 Email solahart solahart com au Web www solahart com Postal Address PO Box 95 Welshpool WA 6986 Australia International Offices Registered Office 1 Alan Street PO Box 6 Rydalmere New South Wales 2116 Australia www solahart com au Europe Phone International 31 492 579 696 Facsimile International 31 492 579 694 USA Australia Phone International 1 800 621 5622 For SERVICE Telephone 1800 638 011 or y...

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