Rheem Water Heater User Manual Download | Manualshive

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SOLAR CONTROLLER AND SOLAR MONITOR

This Addendum is for use with installation instructions

126547A, 126548A, 126550B, 126551B, 126552B, 126553B, 126554B, 126555B.

SOLAR MONITOR

The solar control unit on an electric boosted system may incorporate a solar
monitor. The solar monitor is located on the side of the solar control unit and
houses both a green and a red LED. A gas boosted model may have a solar
monitor located on the left hand side of the air duct.

The green LED, marked “Solar”, indicates the current operational mode of the
solar water heater and the red LED, marked “Attention”, indicates a fault mode.

The green LED will emit either a constant glow or a series of flashes, with a
2 second interval between each series.

The red LED will emit a series of flashes, with a 2 second interval between
each series, only if there is a particular fault condition with the system.

2007 October

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SK6203 Rev B

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Summary of Contents for Water Heater

Page 1: ...d serviced by an authorised person Please leave this guide with the householder 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 ...

Page 2: ...d the warranty for freeze damage Plastic pipe MUST NOT be used as it will not withstand the temperature and pressure of the water generated by the solar collectors under stagnation conditions The solar collectors can generate extremely high water temperatures up to 150 C and high water pressure of 1000 kPa Plastic pipe cannot withstand these temperatures and pressures and MUST NOT be used Failure ...

Page 3: ...6 Connections Plumbing 39 Connections Electrical 43 Commissioning 45 Lighting The Water Heater 48 Draining The Solar Collectors 52 Draining The Water Heater 53 Water Supplies 56 Warranty 58 Warning Upon completion of the installation and commissioning of the water heater leave this guide with the householder or a responsible officer DO NOT leave this guide inside of the cover of the water heater a...

Page 4: ... and a red LED A gas boosted model may have a solar monitor located on the left hand side of the air duct The green LED marked Solar indicates the current operational mode of the solar water heater and the red LED marked Attention indicates a fault mode The green LED will emit either a constant glow or a series of flashes with a 2 second interval between each series The red LED will emit a series ...

Page 5: ...irculator to control the flow rate through the collector circuit and achieve a constant temperature rise across the collector s It is normal operation for the circulator to experience a pulsing effect The red LED may emit a rapid pulse for a short period This indicates a temperature difference between the hot sensor and cold sensor of greater than 40 C and does not represent a fault code This is t...

Page 6: ...collector open circuit 5 x red Cold sensor short circuit 6 x red Cold sensor open circuit If the power supply to the solar control unit is on and the green LED is off or the red LED is flashing this indicates there may be a fault with the water heater The red LED may emit up to six flashes in each series of flashes Note During periods of high solar radiation and if the circulator activates after h...

Page 7: ...ld pipes are uninsulated refer to Warranty Exclusions on page 59 and to Pipe Work and Insulation on page 8 HOW HOT SHOULD THE WATER BE The solar control unit will circulate water through the solar collectors until a temperature of approximately 75 C is reached During periods of low solar energy gain the water temperature can be boosted by the thermostatically controlled gas burner The boosting is ...

Page 8: ...esents a temperature difference of approximately 6 C To increase the boosted water temperature to 65 C turn the gas control knob counter clockwise to a setting of 7 Refer to Hotter Water Increases the Risk of Scald Injury on page 5 WARNING This water heater is only intended to be operated by persons who have the experience or the knowledge and the capabilities to do so This water heater is not int...

Page 9: ...ns Do not store flammable 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 d...

Page 10: ... bleed the collector circuit refer to Bleeding the Solar Collectors on page 9 If the electrical supply to the water heater has been switched off switch on the electrical supply at the isolating switch The isolating switch must be switched on for the solar control unit to operate and solar gain to be achieved Open the gas isolation valve fully at the inlet to the gas control Light the water heater ...

Page 11: ...WATER QUALITY AFFECT THE WATER HEATER The water heater is suitable for most public water supplies however some water qualities may have detrimental effects on the cylinder solar collectors and fittings If you are in a known harsh water area you must read page 56 If you are not sure have your water quality checked against the conditions described on page 56 HOW LONG WILL THE WATER HEATER LAST There...

Page 12: ...ctors is lower To purge air from the collector circuit Ensure the water heater is full of water and all of the hot taps are turned off Using a flat blade screwdriver open the bleed valve if it is not already open fitted adjacent to the solar hot water from collector inlet of the solar storage tank see diagram The mains pressure will force water to flow from the tank and through the pipe work expel...

Page 13: ...t the water inside the pipe work from freezing It is essential that the electrical circuit to the solar control unit is continually turned on if there is a risk of freezing The solar warranty does not cover damage caused by freeze conditions when the electrical circuit to the solar control unit is turned off or interrupted Notes If it is necessary to switch the power off to the solar control unit ...

Page 14: ...your area exceeds that shown on page 28 a pressure limiting valve must be fitted The supply pressure should be greater than 350 kPa for true mains pressure operation to be achieved A minimum water supply pressure of 200 kPa is required to enable the solar circulator and solar circuit system to operate effectively GAS BOOSTING Water stored in the solar storage tank can be heated by a gas burner loc...

Page 15: ...tically for boosting Heat from the pilot is absorbed by the water GOING ON HOLIDAYS If you are going on holiday for more than a few days the thermostat can be set to its lowest setting 1 to conserve energy Alternatively the timer can be set so the burner will not activate during the period you are away refer to Timer Operation on page 16 If it is necessary to turn off the water heater refer to To ...

Page 16: ...ief Valve Running on page 23 Warning Never block the outlet of this valve or its drain line for any reason Operate the easing lever on the temperature pressure relief valve once every six months It is very important you raise and lower the lever gently Warning Failure to do this may result in the water heater cylinder failing If water does not flow freely from the drain line when the lever is lift...

Page 17: ...ceeding 5 years or more frequently in areas where there is a high incidence of water deposits SERVICING For safe and efficient operation the water heater should be serviced annually by your nearest Rheem Service Department or their Accredited Service Agent Only genuine replacement parts should be used on this water heater Warning Servicing of a gas water heater should only be carried out by author...

Page 18: ...fore attempting to flush the solar collectors This will assist in the transfer of any high temperature water in the solar collector s to the solar storage tank Warning Exercise care as water discharged from the solar collectors may be of a very high temperature To flush the solar collectors follow the procedure Bleeding the Solar Collectors on page 9 allowing the water to flow from the bleed valve...

Page 19: ... Thursday FR Friday SA Saturday SU Sunday Select Monday to Friday only MO TU WE TH FR will be displayed Select Saturday and Sunday only SA SU will be displayed Select Monday to Saturday only MO TU WE TH FR SA will be displayed Note The DAY button will only operate in conjunction with the time and program buttons TIME PROG DAY HR MIN z z z z z RANDOM y R z MAN PROG Press this button once to activat...

Page 20: ... period is sufficient to allow the gas burner to heat up the entire contents of the solar storage tank through a 45 C temperature rise This may be necessary during periods of very low solar energy gain through the solar collectors such as during constant rain or extremely cloudy weather It may be necessary and is recommended to reset the timer during daylight saving time in the states where applic...

Page 21: ... MIN z z z z z RANDOM y R z MAN If the timer has been reset then TIMER ON and MO TU WE TH FR SA SU will be displayed on the screen If the timer has not been reset then the current ON time program will be displayed on the screen Press the DAY button to select the day s of operation Refer to Functions of the Timer on page 16 The selected day s will be displayed on the screen Note There is no need to...

Page 22: ...ress the HR button to select the hour off time Note 24 hour clock Press the MIN button to select the minute off time Note Six 6 ON and OFF times are available and each can be set by following the above procedure It is recommended only one ON and OFF time is set Press and release the TIME button to exit the program mode The current time is displayed The timer is now programmed to operate Note The p...

Page 23: ...sary to prevent further boosting of the water temperature whenever hot water is used This could potentially reduce the solar gain for one day WE OFF 15 10 TIME PROG DAY HR MIN z z z z z RANDOM y R z MAN If the OVERRIDE function is not manually deactivated it will automatically be deactivated at the end of the next timer set boost period Example The Manual Boosting Override function OFF at ten past...

Page 24: ...s refer to Lighting the Water Heater on page 48 Gas burner not operating Inspect the isolating switch adjacent to the water heater or at the switch board marked HOT WATER or WATER HEATER and ensure it is turned ON Note Check the settings on the TIMER are sufficient to allow a full boosting cycle 2 hours from 4 00 PM to 6 30 PM is recommended Collectors shaded If trees or other objects shade the so...

Page 25: ...usage Temperature pressure relief valve running Is the relief valve discharging too much water Refer to Temperature Pressure Relief Valve Running on page 23 Thermostat setting Ensure the thermostat setting is appropriate You may choose to adjust the thermostat upwards to gain additional hot water capacity when boosting Warning Hotter water increases the risk of scald injury Water heater size Do yo...

Page 26: ...imes rises above the designed pressure of the water heater Ask your installing plumber to fit a pressure limiting valve Warning Never replace the relief valve with one of a higher pressure rating Heavy flows of hot water until the water heater is cold then stops until water reheats The gas control must be turned off using the knob on top of the gas control thermostat refer to Close Down Procedure ...

Page 27: ...ting another gas appliance to check If there is no gas call the gas supplier WATER HEATER APPEARS TO BE LEAKING When the water heater is first lit or after a large usage of hot water condensation may form on the burner of the water heater This is quite normal especially in winter months and will dry off as the water is heated COLLECTOR GLASS Warranty DOES NOT cover breakage of solar collector glas...

Page 28: ...water than you think Refer to Not Enough Hot Water on page 21 Is there a leaking hot water pipe dripping hot water tap etc Even a small leak will waste a surprising quantity of hot water and gas Replace faulty tap washers and have your plumber rectify any leaking pipe work Are you using the gas boosting properly Refer to Timer Operation on page 16 Consider recent changes to your hot water usage pa...

Page 29: ... with the requirements of AS NZS 3500 4 SOLAR WATER HEATER STORAGE TANK LOCATION The solar storage tank should be installed close to the most frequently used outlet and its position chosen with safety and service in mind Make sure people particularly children will not touch the flue outlet The flue terminal must be clear of obstructions and shrubbery Consideration must also be given to the positio...

Page 30: ...rete or brick plinth fire proof base and must stand vertically upright with the back of the solar storage tank against an external wall or alternatively against a fireproof screen extending at least 500 mm above below and either side the flue terminal Failure to observe this precaution can cause problems in high wind areas A secondary flue is not required As a guide the following requirements extr...

Page 31: ...pansion control valve 680 kPa Without expansion control valve 800 kPa Min mains supply pressure 200 kPa Expansion control valve not supplied with the water heater TANK WATER SUPPLY If the water heater is supplied with water from a tank supply and a minimum water supply pressure of 200 kPa at the water heater cannot be achieved then a pressure pump system must be installed to allow the solar circui...

Page 32: ...er line to the temperature limiting device can be branched off the cold water line either before or after the isolation valve and pressure limiting valve to the solar storage tank but it MUST BE before the non return valve If an expansion control valve is required it must always be installed after the non return valve and be the last valve prior to the solar storage tank Warning A non return valve...

Page 33: ...RETURN SYSTEM A solar water heater should not be installed as part of a circulated hot water flow and return system in a building The benefits of solar gain will be significantly reduced and energy gained from the sun lost through the pipe work If a circulated flow and return system is required it is necessary to bypass the solar water heater and install a secondary water heater connected to the h...

Page 34: ...ng water at all or the device failing Under either condition the operation and performance of the device cannot be guaranteed Circulated Hot Water Flow and Return System Solar Water Heater REDUCING HEAT LOSSES The cold water line to and the hot water line from the water heater must be insulated in accordance with the requirements of AS NZS 3500 4 The insulation must be weatherproof and UV resistan...

Page 35: ...er Anode colour code 0 40 mg L Green 40 600 mg L Black 600 2500 mg L Blue SADDLING PIPE WORK To prevent damage to the cylinder when attaching pipe clips or saddles to the water heater jacket we recommend the use of self drilling screws with a maximum length of 12 mm Should pre drilling be required extreme caution must be observed when penetrating the jacket of the water heater Note Damage to the c...

Page 36: ...itres Recovery Boost natural gas 50 C rise 100 litres Gas Details Hourly Gas Consumption MJ Min Gas Pressure kPa Test Point Gas Pressure kPa Max Gas Pressure kPa Natural 26 1 13 1 00 3 50 Propane 25 2 75 2 70 3 50 Butane 25 2 75 2 70 3 50 Model numbers N Natural P Propane B Butane Letter N P or B is included in the model number eg 531260N0 to denote gas type ...

Page 37: ...INSTALLATION SOLAR STORAGE TANK 34 TYPICAL INSTALLATION OUTDOOR LOCATION ...

Page 38: ...r copper olives Ensure air bleed valve is open when filling collectors Insulate the air bleed valve and 3 way tee assembly connected to the solar hot pipe with the 150 mm long x 35 mm diam insulation and the solar non return valve at the solar hot from collector inlet of the solar storage tank with the 50 mm long x 35 mm diam insulation Secure the insulation with the cable ties supplied ...

Page 39: ...n page 37 Solar collectors may be installed at the roof angle for simplicity of installation and appearance but must never be flat If the roof angle varies by 15 from the correct angle efficiency will be reduced by 10 For an installation on a roof with a pitch less than 10 a Variable Pitch stand is required Refer to your local Solar Distributor for details For an installation at right angles to ac...

Page 40: ... 90 Bends Pipe Length 90 Bends DN15 40 metres 20 30 metres 20 15 metres 20 DN20 NR NR 40 metres 20 40 metres 20 For each additional 90 bend reduce the maximum total pipe length by 0 5 metres For each additional metre of pipe length reduce the number of 90 bends by two Note One 90 elbow is equal to two 90 bends NR not recommended The solar hot and solar cold pipes between the solar storage tank and...

Page 41: ... heat losses The insulation must be fitted up to the connections on both the solar collectors and the solar storage tank as very high temperature water can flow from the solar collectors to the solar storage tank under certain conditions Plastic pipe MUST NOT be used as it will not withstand the temperature and pressure of the water generated by the solar collectors under stagnation conditions The...

Page 42: ...d of foreign matter before connection and purged before attempting to operate the water heater All olive compression fittings must use brass or copper olives Use thread sealing tape or approved thread sealant on all fittings An isolation valve and non return valve must be used on the cold water line to the water heater A non return valve must be fitted on the cold water supply to this water heater...

Page 43: ... DN15 pipe protruding from the side of the air duct on the solar storage tank Use the compression fitting supplied The solar hot pipe connects to the raised inlet located above the cold water inlet and below the hot water outlet refer to Assembly of Solar Hot and Solar Cold Pipe Connections diagram on page 35 PIPE SIZES To achieve true mains pressure operation the cold water line to the water heat...

Page 44: ...ort as possible and fall all the way from the water heater with no restrictions It should have no more than three right angle bends in it Use DN15 pipe The outlet of the drain line must be in such a position that flow out of the pipe can be easily seen refer to AS NZS 3500 4 but arranged so hot water discharge will not cause injury damage or nuisance The drain line must discharge at an outlet or a...

Page 45: ...on page 56 However an ECV may be needed in a corrosive water area where there are sufficient quantities of silica dissolved in the water The expansion control valve must always be installed after the non return valve and be the last valve installed prior to the water heater refer to diagrams on page 40 A copper drain line must be run separately from the drain of the relief valve GAS INLET The gas ...

Page 46: ...o be connected to the unit with a 20 mm terminator Connect the power supply wires directly to the terminal block ensuring there are no excess wire loops inside of the cover The terminal block on the solar storage tank has two active connections One active wire marked A is required for the operation of the solar control unit and one active wire marked TIMER A is required for the operation of the ga...

Page 47: ...r circulator 36 Watts Maximum load at solar heating cycle start up 30 Watts Average load during the solar heating cycle The water heater will only operate on a sine wave at 50 Hz Devices generating a square wave cannot be used to supply power to the water heater WIRING DIAGRAMS A double pole isolating switch must be incorporated in the fixed wiring according to the AS NZS 3000 AS 5601 and local au...

Page 48: ...timer refer to Timer Operation on page 16 Note It is recommended the timer be set to enable boosting between 4 00 PM and 6 30 PM If necessary press the timer MAN button to activate the OVERRIDE function of the timer This will allow the gas control system to operate Open the gas isolation valve fully Check the gas pipe work for leaks Light the water heater refer to Lighting the Water Heater on page...

Page 49: ...ORS Upon completion of the installation it is necessary to purge the air from the collector circuit To purge air from the collector circuit Ensure the water heater is full of water and all of the hot taps are turned off Using a flat blade screwdriver open the bleed valve fitted adjacent to the solar hot water from collector inlet of the solar storage tank see diagram The mains pressure will force ...

Page 50: ...l supply at the isolating switch to the water heater refer to note below Close the cold water isolation valve at the inlet to the water heater Note The freeze protection system will be rendered inoperable if electrical power is not available Damage caused by freezing due to the unavailability of power to the water heater is not covered by warranty refer to Warranty Exclusions on page 59 If there i...

Page 51: ...er is equipped with an igniter button which lights the pilot When lighting the pilot follow these instructions exactly B Before lighting ensure there is no smell of gas around or in the vicinity of the water heater and the burner opening Be sure to smell next to ground level as some gases can settle there C What to do if you smell gas Do not try to light the water heater If the gas smell is throug...

Page 52: ... 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 6 Keep the knob depressed for 20 seconds after the pilot flame lights The pilot can be checked by looking through the large opening below the gas control 7 Release the knob and check the pilot is still alight 8 If the pilot has failed to light or has not remained aligh...

Page 53: ...er flame should be blue with a clearly defined inner cone luminous yellow or floating flames are not acceptable and must be corrected by opening the air shutter refer to Air Shutter on page 50 Check the test point pressure and compare with the rating label The pressure regulator is not adjustable and if the test point pressure is not within 5 of the specified value refer to Rheem or their Accredit...

Page 54: ...E 1 Turn the gas control knob to the position pilot This setting will leave the pilot flame alight however the main burner will not be able to light 2 Turn the gas control knob to the z off position This setting shuts the gas control down completely ...

Page 55: ... of a very high temperature Turn off the water heater refer to To Turn Off the Water Heater on page 47 Using a flat bladed screw driver open the bleed valve fitted adjacent to the solar hot water inlet of the water heater refer to diagram on page 46 Undo the compression fitting at the side of the air duct of the solar storage tank and disconnect the solar cold pipe Water will now drain from the so...

Page 56: ...from the solar storage tank may be of a very high temperature Turn off the water heater refer to To Turn Off The Water Heater on page 47 Operate the relief valve release lever do not let the lever snap back or you will damage the valve seat Operating the lever will release the pressure in the water heater Attach a hose to the spout of the drain cock Let the other end of the hose go to a drain Open...

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Page 58: ...This page is intentionally blank 55 ...

Page 59: ... The changing of anodes must be carried out by a plumber or authorised service person CAUTION If your water supply has a TDS greater than 600 mg L and the anode has not been changed to a blue one there is the possibility hydrogen gas could accumulate in the top of the water heater during long periods of no use In areas where this is likely to occur the installer should instruct the householder on ...

Page 60: ...e water onto any hot metallic surface Where the saturation index exceeds 0 40 the water is scaling and an expansion control valve must be fitted on the cold water line after the non return valve and the solar collectors should be covered when the water heater is not intended to be used for more than two weeks Where the saturation index exceeds 0 80 warranty does not apply to a solar collector unle...

Page 61: ...er warranty the balance of the original warranty period will remain effective The replaced part or water heater does not carry a new warranty 4 Where the water heater is installed outside the boundaries of a metropolitan area as defined by Rheem or further than 25 km from a regional Rheem branch office or an Accredited Service Agent the cost of transport insurance and travelling costs between the ...

Page 62: ...the electricity supply has been switched off or has failed a Loline installed at an altitude more than 400 metres above sea level a Premier Hiline or Premier Loline due to non Rheem approved or incorrectly mixed closed circuit fluid being used a Premier Loline where there is insufficient or incorrect fall in the pipe work preventing complete drain back of the closed circuit fluid e Where the elect...

Page 63: ...r installed in any other than a single family domestic dwelling Loline Premier Loline Hiline Premier Hiline Years 2 3 New water heater free of charge with installation and labour costs being the responsibility of the owner Heat Exchanger Electronic Instantaneous Gas Booster from date on installation Years 2 3 New heat exchanger free of charge including labour Water heater installed in a single fam...

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