| Step | Action | |------|--------| | 1 | Mount the unit vertically on a wall (arrow pointing UP for water flow). | | 2 | Connect cold water inlet (blue) and hot water outlet (red). | | 3 | Connect electrical wires (L/N/G or L1/L2/G) to the terminal block. | | 4 | Open a hot water faucet to purge air from the pipes. | | 5 | Turn on power at the breaker. |
Recommended copper wire cross-section of ≥ 2.5 mm² . xyfb water heater manual
: Plug the unit into a grounded outlet. Most models feature an LCD display that will light up immediately. | Step | Action | |------|--------| | 1