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Infinity HD50i - 54kW Commercial Water Heater

Infinity HD50i - 54kW Commercial Water Heater

Rinnai Heavy Duty 50i Internal Commercial Water Heater


The Rinnai heavy duty HD50i internal commerical water heater is a wall hung, gas fired, continuous flow water heater capable of producing hot water at 770 litres per hour at a 50°C rise.

The HD50i has a 125mm concentric flue which can be extended up to 13m, less 1m per 45° bend.

Compact and reliable, the HD50i operates between 1-10 bar pressure, suitable for mains and systems with boost pumps.

Incoming water temperatures of up to 65°C are accepted, making the HD50i suitable for secondary return systems.

The Rinnai HD50i is a fully modulating 54kW unit ideal for commercial, industrial and large domestic installations.

Rinnai commercial water heaters are available in both Natural Gas and LPG

LPG water heaters are delivered to site LPG enabled.

W50IVR-NAT : Natural Gas Water Heater
W50IVR-LPG : LPG Water Heater

Downloads

Ancillaries Commercial Brochure HD50i Eco Label HD50i Product Fiche

Specifications

Installation Internal wall mounted
Height 578.2mm
Width 355.6mm
Depth 234.5mm
Weight 24kg
Exhaust system Room sealed
Temprature range 37°C - 85°C
Ignition method Direct electronic
Gas consumption
Natural gas 4.36kW - 54kW max
Propane 4.36kW - 54kW max
Hot water delivery capacity 19.4 ltr/min raised 33°C
770 ltr/hr raised 50°C
Min operating water flow 2.4 ltr/min
Nominal operating pressure 1-10 bar
Power supply 230V AC 50hz 1ph
Electrical consumption 66W Normal
100W Max (Frost protection)

Additional Information

Gas usage 5.14m³
Gas usage LPG 3.86kg/hr
Efficiancy Gross 83%
Efficiency Net 92%

HD50i as a Solar Booster

HD50i as a solar booster The HD50i will deliver 12.6 l/min @ 50˚C Rise using 5.02m³ gas. If we increase the incoming water temperature we get the following saving:

Flow rateEnergySaving on gas
12.6l/min @ 40°C Rise 35.1kW 21% (1.05m3)
12.6l/min @ 30°C Rise 26.4kW 40% (2.0m3)
12.6l/min @ 20°C Rise 17.6kW 61% (3.1m3)
12.6l/min @ 10°C Rise 8.8kW 81% (4.1m3)

A 20 tube panel will yield approx 1439kW/yr* so a fairly standard arrangement of 3 panels would yield 4317kWh/yr

Consequently this equates to 4317kW free energy or the equivalent of 401.6 m³ gas per annum

*This is based on an installation in Southampton, south facing and an
inclination of 45˚

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