Dry Mode Operation; Fan Mode Operation; Auto Fan Speed - Technibel MPAFIA0R5IAA Service Manual

5-5 Dry Mode Operation

Dry operation remove moisture from indoor air running, in cooling mode, at a low level without reducing
the ambient temperature. This is done cycling ON and OFF indoor and outdoor units according to below.
ROOM
TEMP
≥ SPT+2°C
< SPT+2°C
≥ SPT-1°C
< SPT-1°C
≥ 15°C
< 15°C
SPT = Set Point Temperature

5-6 Fan Mode Operation

With this mode, the indoor fan is turned on while CM, FMO and RV stay off all the time. The user can
select between 3 speeds: HIGH, MEDIUM and LOW.

5-7 Auto Fan speed

With this option selected, the indoor fan speed changes automatically according to the compressor
speed as shown in the following graphs
to prevent the supply of cool air, the FMI speed is setted as shown only if the indoor coil temperature ICT ≥ 32°C
( see COLD DRAFT PREVENTION feature for details )
DRY LEVEL
LEVEL 0 Operation according to COOLING mode
CM on at constant speed
LEVEL 1 FMO on at constant speed
FMI switches between L and LL every 30 seconds
RV off
CM switches 9 minutes off and 3 minutes on
LEVEL 2 FMO switches 9 minutes off and 3 minutes ON
FMI switches between L and LL every 30 seconds
RV off
CM off
DRY OFF ZONE FMO off
FMI off
RV off
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