Rinnai Hot Water Heat Pump

Save up to 60% of the running costs with the Rinnai Hot Water Heat Pump in Auckland when compared to an electric storage cylinder.

Rinnai Hotflo Hot Water Heat Pump

Designed for homeowners that want to significantly reduce running costs while minimising their carbon footprint.

Key benefits and features:

  • Retrofit to virtually any brand of electric hot water cylinder
  • Simple installation, usually takes less than one day
  • Carbon footprint reduction with reduced energy consumption

Suitable for
• External domestic applications
• Connection to mains pressure hot water cylinders
• NZ geographical zones 1 and 2 only, refer map below
 



While the Rinnai Hot Water Heat Pump will operate at temperatures ranging between -7 °C to 45 °C, output and efficiency will reduce at lower temperatures. For example:

  • With an outside air temperature of 20 °C, the Hot Water Heat Pump delivers 3 kW of heat output for every 1 kW used, making it 300% efficient
  • With an outside air temperature of 10 °C, the Hot Water Heat Pump delivers 2.6 kW for every 1 kW used, making it 260% efficient

Not suitable as a spa or swimming pool heater.

Not suitable for dense housing areas as the operating noise, especially at night, could be disruptive for neighbours. In Australia timers have been used to mitigate this problem, however the homeowner needs to be aware that in some instances they may not have hot water when they need it.

Water quality
Not suitable for certain water chemistries. Examples of water quality issues where the water may need to be treated prior to using a Rinnai Hot Water Heat Pump are:

• Hard water areas such as in Wanganui
• Aggressive water areas such as in Christchurch
• Bore water areas where the water may be hard and/or aggressive

Geothermal hot spots
The Rinnai Hot Water Heat Pump is not warranted against corrosion in geothermal hotspot areas such as Rotorua, where high levels of suplhur dioxide are present in the atmosphere.

Distance between the heat pump and storage tank
If the heat pump and cylinder are more than 5 m apart an R5043 adjustable flow restrictor must be purchased as a separate item to complete installation.
 


 

Rated input 1.9 kW
Max. energy output 6.0 kW
This is the maximum possible from the unit and should be used to ensure the tank TPR valve is suitably sized.
Max. water pressure 850 kPa
Refrigerant type/mass R134A/750 g
Refrigerant pressure High 2.7 MPa, Low 1.0 MPa
Refrigerant compressor oil Type: Neo 32, quantity: 520 ml
Ingress protection IP24
Noise level Fan approx. 55 dB(A)
Net weight 60 kg
Power supply 240 V, 50 Hz
Start up protection When the power is first turned on to the heat pump, or when the power is cut, then retsored, the unit will not start for three minutes. This is to protect the condenser.
Ambient temperature operating range -7 to 45 °C
When the ambient temperature is below 2 °C the tank temperature achieved may be lower. When the ambient temperature is high, the air supply fan will run at a lower speed.
Defrosting function The heat pump has protection systems that will stop the operation of the unit if; the air inlet/outlet is blocked, voltage is out of nominal range (207-255 V), over pressure, or over temperature in the refrigerant system.
Sensor wire Sensor wire spare part number - 12567
Market release October 2011

Dimensions and clearances

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Gas Hot Water

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