Solar Hot Water Calculator

Calculate your solar panel requirements for the Kowhai Heat iX Controller

System Configuration

Sunshine Hours: hours/day
Element Size: kW
Number of Panels: in series
Panel Voltage (Vmp): Volts
Panel Current (Imp): Amps
System Summary:

Max power = 1500 Watt

Current draw = 10.0 Amp

Power will not be limited.

Expected Power Throughout the Day

Understanding Your Results

Max Power

The maximum power your system can deliver to the hot water cylinder.

Current Draw

The current that will be drawn from your solar panels.

Daily kWh

Estimated daily energy production based on sunshine hours.

Kowhai Heat iX Controller Specifications

  • Element Size: 2-4 kW
  • PV Input: 90-350Vdc
  • Max PV Power: 320 Vmp @ 15 Amp
  • Power Sensor: 0-15 Amp DC
  • No Current Limiting: Handles up to 15A
  • Utility Input: 200-240Vac, 50-60Hz
  • Dimensions: 125 × 180 × 80mm
  • MTBF: 50,000 hours

Ready to Install?

Get a detailed quote from a certified Kowhai Heat installer.

Request Installation Quote