- Lower the hinge-mounted return air grille until it is at an angle of approximately 45°
- Unhook the grille.
Disconnect the motor bundle from the unit's internal wall using the quick-release
connector.
Sizes 1 and 2:
- Hold the FMA securely
- Undo and remove the 2 FMA retaining screws on the platform (b)
- Remove the FMA
Sizes 3, 4, 5:
- Undo and remove the 2 lateral screws on the platform (c)
- Undo the central screw (d) without removing it
- Lower the FMA and release it from the central lock hole.
- Hold each fan motor assembly securely.
- For each FMA, undo and remove the 2 screws from the bottom (e).
- For each FMA, undo but do not remove the 2 screws from the top (f).
- Lower the 2 FMAs and release them from the lock holes.
To refit, perform the operation in reverse order.
- Unscrew and remove 3 screws of bottom(stocking) (rep.g)
- Fall without removing them 3 screws of the top (rep.h)
- Lower the GMV and the liberer of the holes of lock
To refit, perform the operation in reverse order.
5.4 Heat exchange coil
A clean coil is crucial to the efficiency of the unit. If necessary, clean the coil with a
vacuum cleaner, taking care not to damage the fins.
If the coil must be disassembled on account of a leak:
Disconnect the electrical supply to the unit before carrying out any work.
To refit, perform the operation in reverse order, remembering to bleed the coil before
refilling with water.
EN - 12
NA 12.48 F