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Summary of Contents for Rinnai SG175A
- Page 1 Split Solar Hot Water Systems Operation & Installation Manual Operation & Installation Manual...
- Page 2 Rinnai Split Solar OIM...
- Page 3 Congratulations on the purchase of your Rinnai Solar Hot Water System. We trust you will have many years of comfort and enjoyment from your appliance. BEFORE USING THIS APPLIANCE Before proceeding with the operation or installation read this manual and any other manuals...
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Page 4: Table Of Contents
Components and Installation Diagrams ����������������������������������������������������������������������������������������������������������� 28 Installation Procedure ��������������������������������������������������������������������������������������������������������������������������������������� 36 Filling the System ��������������������������������������������������������������������������������������������������������������������������������������������� 38 Solar Pump Operation �������������������������������������������������������������������������������������������������������������������������������������� 39 Pre Solar Heating Checks �������������������������������������������������������������������������������������������������������������������������������� 39 Connect to Electrical Supply ��������������������������������������������������������������������������������������������������������������������������� 41 Finishing the Installation ����������������������������������������������������������������������������������������������������������������������������������� 43 Draining Instructions ����������������������������������������������������������������������������������������������������������������������������������������� 43 Rinnai Split Solar OIM... -
Page 5: Warnings And Important Information
Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death. Your Rinnai solar hot water system has been certified by the relevant plumbing and electrical authorities and the details are shown on the data plate. -
Page 6: Safety
MUST be copper or alternative material pipes that may be supplied by Rinnai. Plastic pipe is NOT suited to the water temperatures and pressures that may occur in the system. Components used to join pipes must use metallic materials to achieve sealing. -
Page 7: Operation Principle
ELEMENT SYSTEM LOCATION The location of all system components must comply with both local regulatory and Rinnai requirements. In particular solar collectors need to positioned on roofs in accordance with the instructions in the solar collector installation manual, that is provided with the collector installation kit. -
Page 8: Safety Devices
If the valve leaks continuously, try easing the valve gear for a few seconds. This may dislodge any foreign matter and alleviate the problem. If this does not alleviate the problem contact Rinnai. Operate the easing gear regularly to remove any lime deposits and to verify that it is not blocked. -
Page 9: Gas Boosters
Turning off power to the solar controller will prevent operation of the pumped water circulation used in Pumped Frost Protection mode. . This may be required for warranty on the solar collectors. Refer to the supplied warranty booklet. IMPORTANT Rinnai Split Solar OIM... -
Page 10: Water Quality
This does not apply to stainless steel cylinders. Anodes suited to hard and soft water, are available from Rinnai. If the electric conduit, power supply cord or plug to the water heater is damaged, they must be replaced by an authorised person in order to avoid a hazard. -
Page 11: Save A Service Call
Before contacting Rinnai for service, please follow the fault finding guide. If the problem persists or this information doesn’t answer your questions, contact Rinnai on the phone number on the back of this manual Service call outs attending to any condition or fault that is not related to Rinnai product or components may be chargeable. - Page 12 Solar collectors incorrectly positioned will also severely affect the solar gain. Check that positioning and alignment of solar collectors is in accordance with the section ‘System Orientation and Inclination’ in the solar collector installation manual. Rinnai Split Solar OIM...
- Page 13 The noise may be similar to a boiling kettle, or an expanding contracting metallic sound. The collector is designed to withstand these conditions, and no action is needed, unless it is extreme. Contact Rinnai to discuss if you have any concerns.
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Page 14: Specifications
A variable speed pump controls the water flow rate through the collectors and storage cylinder to optimise the performance of the system. Solar Controller There are two types of Rinnai solar controller available for residential solar hot water systems: • The Standard Controller is used with all gas boosted systems and electric boosted systems with an independently controlled element. -
Page 15: Storage Cylinders
SPECIFICATIONS STORAGE CYLINDERS Glass Lined Gas Boosted Cylinders SG175A SG215A SG270A SG320A Cylinder height 1610 1575 1470 1760 Gas booster flue outlet 1485 1455 1345 1645 Solar Return and PTR 1435 1380 1250 1540 Gas supply and hot water out... - Page 16 Cylinder height 1575 1470 1760 PTR / hot water outlet 1375 1250 1540 Flow line to collectors Solar return Cold water inlet Cylinder diameter System depth Weight empty (kg) SENSOR DRYWELL COLD SENSOR DRYWELL CYLINDER DIAMETER Rinnai Split Solar OIM...
- Page 17 PTR / hot water to booster 1490 1880 Gas booster flue outlet 1345 1735 Gas supply and hot water outlet 1270 Flow line to collectors Solar return Cold water inlet Cylinder diameter System depth Weight empty (kg) CYLINDER DIAMETER Rinnai Split Solar OIM...
- Page 18 SPECIFICATIONS Stainless Steel Electric Boosted Cylinders Cylinder height 1205 1700 2090 PTR / hot outlet 1490 1880 Flow line to collectors Solar return Cold water inlet Cylinder diameter System depth Weight empty (kg) CYLINDER DIAMETER Rinnai Split Solar OIM...
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Page 19: Gas Boosters
1 Units will operate at lower pressures but the rated flow will not be achieved. 2 Gas boosters for Solar hot water applications will be set by Rinnai to deliver a minimum temperature of 70°C when the incoming water temperature is below 55°C. When the incoming water temperature water temperature is above 55°C due to solar heating, the burners of the gas booster will not operate. -
Page 20: Installation
50mm thick or on well seasoned, evenly spread hardwood slats with a thickness of at least 25mm. Where property damage can occur, storage cylinders should be installed with an approved safe tray (overflow tray). Ensure the cylinder does not stand on wet surfaces. Rinnai Split Solar OIM... -
Page 21: Gas Supply
55°C, and not to heat when the incoming water temperature is above 55°C, in accordance with plumbing regulations. In addition, they contain the warning stating “Rinnai Water Controllers are NOT compatible with solar hot water installations and MUST NOT BE USED in the vicinity of the temperature controller connections inside the appliance.”... -
Page 22: Water Pipes, Fittings And Insulation
Such insulation may also be mandatory under local regulations. Rinnai recommend insulation to achieve at least the R value shown in the following table. Pipes on Roof Pipes on Roof... -
Page 23: Water Supply
14 is exceeded. • Tempering valve(s) or thermostatic mixing valve The diagrams on the following page show two variations of how the plumbing may be set out. All installations must comply with the requirements of AS/NZS 3500. Rinnai Split Solar OIM... - Page 24 It may be a requirement that the hot and cold water supply pressures to a Temperature Limiting Device (TLD) are equal. If this is the case, a PLV with the same pressure rating as the PLV for the hot water is required for the TLD as shown. Rinnai Split Solar OIM...
- Page 25 INSTALLATION Gas Booster Information Rinnai Smartstart Rinnai Split Solar OIM...
- Page 26 For appliance s not addressed above acceptance should be obtained from the Technical Regulator. Minimum clearances d and e also apply to any combustion air intake openings of appliances. FIGURE 6.2 (in-part) LOCATION OF FLUE TERMINALS OF BALANCED FLUE, ROOM SEALED, FAN-ASSISTED OR OUTDOOR APPLIANCES Rinnai Split Solar OIM...
- Page 27 19 for individual gas booster weights. For gas boosters installed on elevated structures or under floors specific requirements apply, refer to AS/NZS 5601 for details. Location of gas booster flue terminal must be in accordance with AS/NZS 5601. Refer page 26. Rinnai Split Solar OIM...
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Page 28: Components And Installation Diagrams
INSTALLATION COMPONENTS AND INSTALLATION DIAGRAMS Glass Lined SG175A, SG215A, SG270A or SG320A with SGPKIT2C OR SGPKIT3C* Solar Return To Collectors Cold Sensor Cold Inlet Rinnai Split Solar OIM... - Page 29 INSTALLATION Glass Lined SG175A, SG215A, SG270A or SG320A with SGPKIT2C or SGPKIT3C* Items Supplied with Cylinder Items Supplied with KITS (cont) PTR Valve (1000 kPa) and insulation 95110048 Elbow ¾ Rp x ¾ R 21201074 Adaptor R¾ x Rp¾ 95110858...
- Page 30 INSTALLATION Stainless Steel Gas Boost with USKIT1C To Collectors Solar Return Cold Water Inlet Rinnai Split Solar OIM...
- Page 31 Operation and Installation Manual 15401021 T ¾ Rp 19001011 Temperature Sensor Sheath 250 mm 10204721 Solar Controller Manual 95111415 Adaptor R¾ to G¾ (flexi) 17201006 Warranty booklet 15401041 Screws 22601048 Gas Booster Mounting Template 15401040 STC form 15401023 Rinnai Split Solar OIM...
- Page 32 INSTALLATION Glass Lined Electric Boosted Systems with SEPKIT Outlet Sensor (WHITE) To Collectors Solar Return Cold Sensor (RED & BLACK) Cold Inlet Rinnai Split Solar OIM...
- Page 33 Deluxe Pump & Controller Assembly 95111485 Includes: • Non return valve 27801713 • Cold temperature sensor lead 31002710 Warranty booklet 15401041 • Mid temperature sensor lead 95111228 • Pump 30001755 • Deluxe Controller 95111227 Screws 22601048 STC form 15401023 Rinnai Split Solar OIM...
- Page 34 INSTALLATION Stainless Steel Electric Boosted with USKIT1C Hot Water Outlet To Collectors Solar Return Cold Water Inlet Rinnai Split Solar OIM...
- Page 35 Part of Pump and Controller Assembly, but shown separately for clarity in diagrams 31002710 Screws 22601048 Temperature Sensor Sheath 250 mm 10204721 Operation and Installation Manual 15401021 Solar Controller Manual 95111415 Warranty booklet 15401041 STC form 15401023 Rinnai Split Solar OIM...
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Page 36: Installation Procedure
A heat trap is required on the return line from the cylinder if the pipework is to rise vertically to prevent heat losses due to the thermosyphoning of hot water from the tank. Hot water return from collectors 250 mm Heat Trap Rinnai Split Solar OIM... - Page 37 Temperature’ on page 21. WARNING 12. Connect Gas to Booster where applicable) Connect a suitable gas supply and isolating valve to the gas booster. Follow instructions supplied with gas booster. Keep gas booster isolated at this stage. Rinnai Split Solar OIM...
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Page 38: Filling The System
If leaks are detected the system must be drained and leaks repaired before the system is refilled. If this is necessary, cover the solar collectors with packaging cardboard or a tarp to prevent them from CAUTION heating which could result in steam or hot water being discharged from fittings.. Rinnai Split Solar OIM... -
Page 39: Solar Pump Operation
If leak testing completed and successful, have any covers been removed from the solar collectors? Has operation of the solar pump been checked? Have the hot and cold sensors and leads been positioned and connected correctly? Has the air bleed valve been opened? Rinnai Split Solar OIM... - Page 40 Confirm the hot water delivery temperature from the gas booster. This is done by checking the hot water delivery temperature at an untempered outlet close to the water heater. This is usually the hot water outlet in the kitchen. The untempered hot water delivery should be between 55°C & 70°C. Rinnai Split Solar OIM...
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Page 41: Connect To Electrical Supply
Peak (overnight and day) or continuous or other tariffs available from the local electricity supply authority. Rinnai strongly recommends the use of an Off-Peak tariff to ensure that solar heating takes priority over electrical heating. If this isn’t available, then a timer can be used to limit electrical heating to non solar hours. - Page 42 Deluxe controller to manage the element operation. Full details of the how to connect the power to the control box are included in the solar controller manual. Wiring Diagrams RESET Earth Neutral - N Active - A Rinnai Split Solar OIM...
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Page 43: Finishing The Installation
Disconnect the cold inlet near the bottom of the storage cylinder. Disconnect the connection between the solar ‘flow pipe’ and solar pump. Disconnect the connection between the solar ‘return pipe’ and the cylinder. The cylinder and solar collectors will now drain completely Rinnai Split Solar OIM... - Page 44 After Hours Hot Water Service Line Tel: 1800 000 340* *Cost of a local call higher from mobile or public phones. For further information visit www.rinnai.com.au or email enquiry@rinnai.com.au innai has a Service and Spare Parts network with personnel who are fully trained and equipped to give the best service on your innai appliance.
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