Suitable for:- indoor installations only- mains and low pressure systems- connection to closed loop solar systems- residential and light commercial water heating applications
No suitable as a pool or spa heater, or for underfloor heating.
Water qualityRinnai cylinders are manufactured to suit most NZ council water supplies. However some supplies can have a detrimental effect on the cylinder, its operation and life expectancy. Stainless steel cylinders are not suitable for bore or tank water.
Single coil lower elementFor new builds and renovations connecting to a closed loop solar system, where the homeowner wants constant hot water, whether there is solar gain or not.
Single coil dual elementFor new builds and renovations connecting to a closed loop solar system, where the homeowner wants faster recovery times, and to reduce the risk of running out of hot water regardless of solar gain. Cylinder will have higher running costs.
Single coil upper elementFor new builds and renovations connecting to a closed loop solar system, where the homeowner relies heavily on solar gain. Upper element is only used to quickly heat water in the top of the cylinder.
Construction
Inner, high grade duplex stainless steelOuter, galvanised steel
Insulation
CFC free polyurethane foam, compliant with NZ MEPS
Connections
Hold and cold connections ¾ " (20 mm)TPR ½ " (15 mm)
Coil
Solar coil 1 " 25 mm diameter
Length = 14 m (1.1 m2)
Maximum kW output 21.4 kW
Element
Incoloy 825 alloy sheath element, options; 2 kW, 3 kW, 2 x 2 kW, and 2 x 3 kW
Thermostat
Robert Shaw 30 A contact auto-reset (red dial)
TPR
TPR supplied, 850 kPa, 99 °C, 10 kW
Pressure limiting valve
This cylinder MUST be installed with a 500 kPa or less pressure limiting valve and appropriate cold water expansion valve.
Weights
190L: 42kg empty, 232kg full
250L: 48kg empty, 298kg full
300L: 56kg empty, 356kg full
Compliance
No cylinder wrap required. All Rinnai cylinders meet the NZ Minimum Energy Performance Standard (MEPS).
Market release
September 2017
Common spares
Thermostat Robert Shaw red dial (ART solar) - 30015
Element MP SS 2 kW curved - 30002
Element MP SS 3 kW curved - 30004
TPR MP 850 kPa 15 mm - 30018
Warranty: 10 Years
If you're keen on utilising solar energy then this hot water cylinder is for you. The coil design is created for use with closed loop solar systems. This is where the heat transfer fluid is circulated through the solar collector on the roof where it is heated by the sun. The heated transfer fluid then passes through the cylinder coil, which acts like a very large element to heat the water.
The unique coil spirals down and then wraps back up around itself creating a coil within a coil. It is located at the very bottom of the cylinder to allow for maximum heat to be transferred to the water in the cylinder.
The duplex stainless steel inner cylinder means it can be used is solar systems with high incoming water temperatures.
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