Rinnai SG2152HP, Installation Manual

Page 1: ...e installed commissioned and serviced by an authorised person in accordance with all applicable local rules and regulations Power supply must be available to the system at all times Hotflo Glass Lined Tank E Frost Collector Gas and Electric Boost ...

Page 2: ...nk Domestic Application Commercial Application Tank Parts 5 years 3 years Labour 3 years 3 years All Other Parts Parts 1 year 1 year Labour 1 year 1 year Pumps controllers valves etc All terms of the warranty are effective from the date of installation of the Rinnai solar system Rinnai New Zealand Limited Rinnai reserves the right to verify this date by requesting a copy of the Certificate of Comp...

Page 3: ... is within the limits tabled TDS Total Dissolved Solids Total Hardness CaCO3 Alkalinity as CaCO3 Dissolved free CO2 pH Chlorides Magnesium Sodium Iron Langelier Index Up to 600 mg L or ppm Up to 200 mg L or ppm Up to 200 mg L or ppm Up to 25 mg L or ppm 6 5 8 5 Up to 300 mg L or ppm Up to 10 mg L or ppm Up to 150 mg L or ppm Up to 1 mg L or ppm Between 1 0 0 8 Most metropolitan water supplies fall...

Page 4: ...ai service persons or service centres Where the solar component has failed directly or indirectly as a result of poor water quality outside the limits specified Where it is found that there is no fault with the solar component s and the issue is related to the installation or failure due to lack of power supply Subject to any statutory provisions to the contrary Rinnai does not accept liability fo...

Page 5: ... for use 6 Solar collector fittings kits 7 Solar tank fittings kit 8 Cylinder location 9 Cylinder connections 10 Mounting the solar controller and pump 11 Mounting collectors on the roof general 13 Mounting collectors on a metal roof 15 Mounting collectors on a tile roof 18 Fitting connecting pipes and sensor lead 19 Supplementary boosting gas 20 Supplementary boosting electric 21 Commissioning th...

Page 6: ...aded This manual does not cover installations that may require frames for flat side or reverse pitch roofs Any damage to the roof must be repaired prior to installation of the solar collectors Pumped systems only E Frost collectors are not suitable for close coupled hot water solar systems Introduction This manual is intended to be used by Rinnai accredited solar installers who have a good underst...

Page 7: ... for tile roofs G12 requires stainless steel straps for tile roofs The Split System Solar Fittings Kits have galvanised straps as standard If collectors are being installed on a tile roof stainless steel straps can be purchased as an accessory item These are all the components for plumbing and mounting collectors on the roof Included Not included to be supplied by the Installer All Plumbing Fittin...

Page 8: ...ided in the tank kit Enabling the Hotflo tank for solar installations is an easy one step process by inverting the riser tube in the tank SOLKITPUMPGE1 contains all the components for plumbing on and around the storage cylinder Included Not included to be supplied by the Installer Pump Solar Controller Cold Outlet Fittings Cold Sensor Lead Dip Tube Crox Nuts to make the following connections Cold ...

Page 9: ... at the top of the cylinder It is important a suitably drained catch pan is fitted where damage could be caused by discharge from the cylinder The Rinnai Warranty does not cover any consequential loss from leaks to the cylinder if a catch pan isn t installed A single phase 3 pin power point is required to power the solar pump and controller If electric boost is used a 16 Amp power supply from the ...

Page 10: ...re 1000 kPa supplied with cylinder Rinnai Glass Lined 270 and 340 litre 850 kPa supplied with cylinder Drain valve Provision must be made to drain the cylinder if required for servicing Drain lines These must be installed in accordance with AS3500 and or G12 AS1 G12 is available online at no cost from www dbh govt nz building code compliance documents Tempering valve During times of high solar gai...

Page 11: ... cylinder or adjacent wall using suitable fasteners Change position of the riser tube to solar enable the Hotflo storage cylinder using the dip tube provided in the tank fittings kit Select which upper hot outlet will be used for the hot solar return Invert the riser tube using the wire tool supplied Fit the plumbing fittings as shown below and in the drawing on the back of the fittings kit 1 2 3 ...

Page 12: ...fittings kit Place these adjacent to the power main switch the circuit breaker controlling the outlet into which the pump is connected and on the cover of the control box Ensure the consumer is aware that the system frost protection will be reduced if the power is not available Do not connect the power lead to the power supply at this stage 4 5 6 7 8 Solar Control Box with Switch Positions Marked ...

Page 13: ...collectors on a suitable North facing roof surface Select a location where shading from adjacent buildings and trees will be minimised As per G12 AS2 Figure 2 paragraph 4 1 Solar water heaters must be located away from the edge of the gable roof structure outside the high pressure wind zone as shown Cold connection Hot connection Each collector must slope upwards 8 10 mm In order to assist circula...

Page 14: ...st be used to prevent burns Keep collectors covered until commissioning and leak testing of the system is complete Pipe connections between collector and tank Connecting pipes should pitch up continuously from the tank to the collector to prevent air locking Insulation should be of a suitable material to withstand high temperatures in solar systems and be protected with UV resistant tape or other ...

Page 15: ...on at a suitable purlin usually identified by a row of fasteners The assembled collectors should cross as many rafters as possible and be evenly distributed across them Fasten with the bottom edge level and horizontal as shown below Use a minimum of 8 x 8 gauge fasteners per collector Two are secured into the purlin with the balance either into the purlin or metal roof cladding Each fastener shoul...

Page 16: ...unting rail through the straps to the roof and in additional places as required Check the distance between the inside faces of the mounting rails is correct Fit additional straps as required 6 Fit additional straps so there are two straps per collector Each fastener should be sealed with suitable washers both under the head of the fastener and between the rail and roof as shown below ...

Page 17: ...e right height for the slots to align so the mounting fasteners can insert easily The stoppers should be removed after the collectors are fitted Fit additional collectors 8 Fit the first collector between the mounting brackets using fasteners supplied do not fully tighten at this point Fit the collector connectors for two or three panel systems to the first panel Fit second collector by inserting ...

Page 18: ...sed as an accessory item Determine position for top mounting rail The assembled collectors should cross as many rafters as possible and be evenly distributed across them The top rail should be approximately in the middle of a line of tiles Mark a horizontal line at the determined position Measure down the roof from the top line for the respective collector Check that the lower line does not coinci...

Page 19: ...sly upwards to the collectors to prevent air locking Insert hot sensor lead into the pocket on the fitting on the top right corner of the collector s and secure in place with suitable high temperature silicon The other end of the assembly is run through a fitting on the bottom side of the solar pump and controller box and attached to the mating electrical connector on the solar controller Longer l...

Page 20: ... valve Rinnai water controllers cannot be used with Rinnai Infinity units connected to solar systems as the Hot water does not always pass through the Rinnai Infinity Rinnai Infinity preset dip switch setting of 75 o C is unable to be adjusted Configuring the System to Protect for Legionella If the system is configured according to the details above it will meet the requirements of the Acceptable ...

Page 21: ...number of commercially available timers1 consult your electrical supplier Ensure the timer contacts have sufficient rating to switch the load This will be approximately 15 Amps for a 3600 Watt element 1 Examples Merlin Gerin 1HP 1C 18 mm or PDL 7 Day Electronic Timer Configuring the System to Protect for Legionella G12 AS2 states that effective Legionella protection can be gained by heating the cy...

Page 22: ... hot temperature sensor is 9 o C hotter than the cold temperature sensor the pump should start If this is not the case cool down the cold temperature sensor in a cup of ice If this is still not sufficient to create the 9 o C differential a spare hot sensor lead can temporarily be connected to the pump controller and warmed until the pump starts Leave the air bleed valve open with the pump running ...

Page 23: ...ode For new dwellings the solar water heating system is usually included in the overall consent for the building In this case the plumbing approval is usually done by the designer specifier or the plumbing contractor Structural approval is done during the process of approving the design of the trusses with the trusses merchant by taking into account the specific load of the hot water cylinder not ...

Page 24: ... Phone 09 257 3800 Fax 09 257 3899 Email info rinnai co nz Websites www rinnai co nz and www rinnai tradesmart co nz All Rinnai appliances meet or exceed the safety standards required by New Zealand gas and electrical regulations Rinnai is constantly improving its products and as such information and specifications are subject to change or variation without notice ...