Kowhai Heat iX Installation Overview

The Kowhai Heat iX Controller is designed for professional installation by qualified electricians and solar installers.

Key Installation Steps

1

DC Cables

Install MC4 connectors and proper solar cabling from panels to controller location.

2

Thermostat Connection

Connect to existing cylinder thermostat using provided terminals.

3

AC Power

Connect Earth, Neutral and Live wires from isolator to controller.

4

PV Connection

Connect MC4 connectors from solar panels to controller PV inputs.

5

Timer Setup

Configure for maximum efficiency based on household usage patterns.

LED Indicator Meanings

Solid Green

Feeding PV power, water cold enough to draw power

Flashing Green

Feeding PV power, water warm enough (thermostat off)

Solid Red

Feeding AC power, water cold enough to draw power

Flashing Red

Feeding AC power, water warm enough (thermostat off)

Alternating Red/Green

System is in commissioning mode or learning cycle

Installation Requirements

Personnel
  • Qualified electrician
  • Solar installation experience
Tools
  • Standard solar installation tools
  • MC4 crimping tool
Materials
  • MC4 connectors and solar cabling
  • External fuse for reverse polarity
Access
  • Access to existing hot water cylinder
  • Roof access for panel installation

Installation Support

Full Manual

Complete installation manual provided with every unit

Download PDF
Technical Support

Phone and email support for installers

Warranty

2-year warranty requires professional installation