Inlets and outlets are color-coded: blue for cold water and red for hot water .

The heater must be filled with water before it is connected to power. Installation should be performed by a qualified expert in accordance with local electrical standards. 2. Operation and Temperature Control

The unit must be mounted vertically on a wall using appropriate screws with a minimum diameter of 8 mm . If the wall is weak, it must be reinforced.

This guide provides a comprehensive overview of how to install, operate, and maintain electric water heaters, based on standard manufacturer instructions. 1. Installation and Setup