6
4. Lift, remove and replace heat exchanger (6).
5. The installation is carried out in reverse order.
Note:
Install heat exchanger (6) in the direction of the
arrow (7).
7
M+P-26A-0852
7.3. REPLACING THE MAIN BOARD
Risk of injury:
Before replacing the main board, disconnect all
poles of the room ventilation unit from the power
supply system, since injury may otherwise result.
2
3
1
1. Remove designer cover (1).
2. Unscrew screws (2) and remove front cover (3).
2
M+P-26A-0925
49
OII Avent P190/P310/P460