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Operation & Installation Manual
Rinnai Split Solar Hot Water Systems
This appliance shall be installed in accordance with:
• Manufacturer's Installation Instructions
• Current AS/NZS 3000 & AS/NZS 3500
• Local Regulations and Municipal Building Codes including local OH&S requirements
This appliance must be installed, maintained and removed only by an Authorised Person.
For continued safety of this appliance it must be installed and maintained in
accordance with the manufacturers instructions.
The solar hot and solar cold pipes between the solar storage tank and the
solar collectors must be suited to the high water temperatures and pressures
that may occur. As such, plastic pipe must not be used. Components used to
join pipes must use metallic materials to achieve sealing.
NOT SUITABLE AS A POOL OR SPA HEATER
AS3498 Lic W169
All Rinnai gas products
SAI Global
are A.G.A. certified.
AS3498 Lic W208
SAI Global
Issue
14
AS/NZS 2712
Lic No. 1849
SAI Global
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Table of Contents
Related Manuals for Rinnai SG175
Summary of Contents for Rinnai SG175
- Page 1 Operation & Installation Manual Rinnai Split Solar Hot Water Systems This appliance shall be installed in accordance with: • Manufacturer’s Installation Instructions • Current AS/NZS 3000 & AS/NZS 3500 • Local Regulations and Municipal Building Codes including local OH&S requirements...
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Page 2: Table Of Contents
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 Contact Information Rinnai Split Solar OIM... -
Page 3: Scope Of Manual
Full information on the collector installation can be found in the manual provided with the collector installation kit, or on the Rinnai website� www�rinnai�com�au� Information on the installation and operation of the solar controller is in the separate solar controller manual, or on the Rinnai website�... -
Page 4: Hazards
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 5: 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 6: 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 7: Gas Boosters
Switch off the electric supply to the solar controller and pump. Gas Boosted systems • Switch off the electric supply to the gas booster. • Switch off the electric supply to the solar controller and pump. Turningoffpowertothesolarcontrollerwillpreventoperationofthepumpedwatercirculation usedinPumpedFrostProtectionmode..Thismayberequiredforwarrantyonthesolarcollectors. Refer to the supplied warranty booklet. IMPORTANT Rinnai Split Solar OIM... -
Page 8: 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 9: 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 10 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 11 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 12: 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 13: Storage Cylinders
SPECIFICATIONS STORAGE CYLINDERS Glass Lined Gas Boosted Cylinders SG175 SG215 SG270SL SG320SL Cylinder height 1530 1825 1475 1695 Gas booster flue outlet 1400 1695 1345 1565 PTR / solar return 1310 1605 1215 1430 Gas supply and hot water out... - Page 14 Cylinder height 1580 1445 1770 PTR / hot water outlet 1380 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 15 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 16 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 17: 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 18: 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 19: 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 20: 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 21: Frost Protection Mode
12 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 22 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 23 INSTALLATION Gas Booster Information Rinnai Smartstart Rinnai Split Solar OIM...
- Page 24 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 25 Booster using screws provided� (SG175 & SG215 are factory mounted)� Step 3� Hang booster on bracket and secure with Step 4� Secure lower mounting bracket to cylinder screws provided� using screws provided� * Depending on the version of the installation kit, either one or both of the brackets may have the tabs bent out�...
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Page 26: Components And Installation Diagrams
INSTALLATION COMPONENTS AND INSTALLATION DIAGRAMS Glass Lined SG175 or SG215 with SGPKIT2C Solar Return To Collectors Cold Water Inlet Rinnai Split Solar OIM... - Page 27 INSTALLATION Glass Lined SG175 or SG215 with SGPKIT2C Items Supplied with Cylinder ItemsSuppliedwithSGPKIT2C(cont) PTR Valve (1000 kPa) 92501190 Standard Pump & Controller Assembly S111487 Adaptor R ¾ x Rp v Includes: • Non return valve 27801713 • Temperature sensor lead 31002710 •...
- Page 28 INSTALLATION Glass Lined SG270SL or SG320SL with SGPKIT3C Solar Return To Collectors Cold Water Inlet Rinnai Split Solar OIM...
- Page 29 31002710 • Pump 30001755 • Standard Controller S111226 STC form 15401023 Temperature Sensor with 2 m lead Part of Pump and Controller Assembly, but shown separately for clarity in diagrams Gas Booster Mounting Template 15401034 31002710 Rinnai Split Solar OIM...
- Page 30 INSTALLATION Stainless Steel Gas Boost with USKIT1C To Collectors Solar Return Cold Water Inlet Rinnai Split Solar OIM...
- Page 31 Elbow ¾ Rp x ¾ R 21201074 Solar Controller Manual S111415 Gas Booster Mounting Brackets 1 x tabs bent (A) 26601098 1 x tabs unbent (B) 26601096 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 S111485 Includes: Warranty booklet 15401041 • Non return valve 27801713 • Cold temperature sensor lead 31002710 • Mid temperature sensor lead S111228 • Pump 30001755 • Deluxe Controller S111227 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 S111415 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 A temperature limiting device may be required as detailed in the section ‘Hot Water Delivery Temperature’ on page 19� WARNING 12. ConnectGastoBoosterwhereapplicable) 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? 6� Has operation of the solar pump been checked? 7� Have the hot and cold sensors and leads been positioned and connected correctly? 8� 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 The lead between the electric element solar controller connection box is supplied with the controller� The Installer must connect this to the terminal block and earth tab connections on the storage cylinder� Ensure there are no excess wire loops inside the front cover� Rinnai Split Solar OIM...
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Page 43: Finishing The Installation
Disconnect the cold inlet near the bottom of the storage cylinder� 6� Disconnect the connection between the solar ‘flow pipe’ and solar pump. 7� Disconnect the connection between the solar ‘return pipe’ and the cylinder� 8� The cylinder and solar collectors will now drain completely Rinnai Split Solar OIM... -
Page 44: Contact Information
Braeside, Victoria 3195 AU45204 Rinnai has a Service and Spare Parts network with personnel who are fully trained and equipped to give the best service on your Rinnai appliance. If your appliance requires service, please call our National Help Line. Rinnai recommends that this appliance be serviced at least every 2 years.