ESIE02–01 Overview of the cooling mode functions
Part 2 – Functional Description 2–31
3
2
4
5
1
Different fan
speeds
The table below explains the meaning of L, H and HH fan speed.
L-tap starting
compensation
When the outdoor fan is operated from OFF to L-tap, the fan motor does not turn, because of lack of
starting torque. To avoid this, the fan motor operates at H-tap for the first 5 s after start-up, before
changing to L-tap.
Used input The fan starting control in cooling or dry keep mode uses the following inputs:
Fan operation
71 100 and 125 200 and 250
1 fan
Upper fan
(MF1)
Lower fan
(MF2)
Fan 1 Fan 2
OFF OFF OFF OFF OFF OFF
L LLLHOFF
H HHHHH
HH HH HH HH H H
5 s
H
L
OFF
Input
Connection on
indoor PCB
Connection on
outdoor PCB
Outdoor air temperature R1T — X4A