Components & controls
FRÄNKISCHE introduces 900 W preheater for profi-air flat ventilation units
FRÄNKISCHE has added a 0.9 kW preheater (article 78312831) to its profi-air flat DN 125 ventilation range. The unit preheats outdoor air in the fresh-air duct of controlled residential ventilation, with switching governed by the frost-protection strategy in the ventilation controller.
FRÄNKISCHE has expanded its profi-air flat ventilation range with a 900 W preheater designed to prevent frost in the fresh-air duct of controlled residential ventilation systems. The new accessory, article 78312831, targets the flat DN 125 version of the range.
Technical specifications
- Heating output: 900 W (0.9 kW)
- Power supply: 230 V / 50 Hz
- Airflow range: 40–180 m³/h
- Duct connections: two × DN 125
- Construction: heating coil in a metal housing with an EPP jacket and a connection cable
- Additional installation requirement: two DN 125 double nipples
Operation and commissioning
The preheater's switching logic follows the frost-protection strategy already stored in the ventilation unit. Commissioning is carried out through the profi-air cockpit pro interface.
Safety provisions
The heater circuit incorporates a temperature monitor and a temperature limiter. FRÄNKISCHE notes that these safety components do not eliminate the need for correct installation, commissioning, and operation in accordance with the manufacturer's instructions.
The press release does not claim that the preheating principle itself was invented in 2026.
Sources: FRÄNKISCHE press release, official product specification.
ORIGINAL SOURCE
FRÄNKISCHE — official product and press information ↗Visit the original source for additional details.
