Dry Mode Operation; Fan Mode Operation; Auto Fan Speed - Technibel MPAF188R5TAA Technical Data & Service Manual

5-4 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

5-5 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.

5-6 Auto Fan speed

With this option selected, the indoor fan speed changes automatically according to the difference between
the detected air temperature (RAT sensor) and the set point (SPT):
COOLING MODE
2 ≤ (RAT – SPT):
1 ≤ (RAT – SPT) < 2:
(RAT – SPT) < 1:
HEATING MODE
2 ≤ (SPT - RAT):
(SPT - RAT) < 2:
NOTE
SPT = Set Point Temperature
DRY LEVEL
Operation according to COOLING mode
LEVEL 0
CM on
FMO on
LEVEL 1
FMI switches between L and off (30 seconds)
RV off
CM switches 9 minutes off and 3 minutes on
FMO switches 9 minutes off and 3 minutes ON
LEVEL 2
FMI switches off and L during CM operation
RV off
CM off
FMO off
DRY OFF ZONE
FMI off
RV off
HIGH speed
MEDIUM speed
LOW speed
HIGH speed
MEDIUM speed
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