858401 Immersion Heater Control
Quick Start Guide
https://zehnder.picturepark.com/v/FXEjcLX5/
Immersion Heater Control (IHC)
| A | Frost protection mode |
| B | Eco mode |
| C | Display (set temperature, timer mode duration) |
| D | Rotary knob (press & turn) |
| E | Standby mode/heating indication • icon is white → radiator is not heating • icon is green → radiator is heating • icon is red → error |
| F | Connection status |
| G | Timer mode |
| H | Comfort mode |
Select heating mode 
Documents / Resources
| ACOVA 858401 Immersion Heater Control [pdf] User Guide 858401, 858411, 858421, 858431, 858401 Immersion Heater Control, Immersion Heater Control, Heater Control, Control |