Digital electronic DC/AC charging controller for Quantum heat storage VFR and FSR. Compatible with Smart Eco System in conjunction with SES KM 1. Connection to conventional central charging control with DC (0.91-1.43 V) or AC control signal (alternating voltage 230 V, % ED). Adaptation of the AC control system to all common control signals possible with a jumper. Potentiometer (charging intensity) 10 k included in delivery.
