These round duct heaters are designed for installation in ventilation systems equipped with heat recovery units. They function as pre-heaters, providing additional protection for the heat exchanger against freezing. They enable balanced operation of the ventilation unit even during severe frosts.
| Type | Power [W] | Voltage [V] | Number of heaters [pcs] | Number of contactors |
|---|---|---|---|---|
| HRQ-PremAIR-HDE-160-1,5 | 1500 | 230 | 3 | 0 |
| HRQ-PremAIR-HDE-CO1-160-2,5 | 2500 | 230 | 5 | 1 |
