Service manual

Overview of the heating mode functions ESIE03–01
2–50 Part 2 – Functional Description
3
1
2
4
5
Different fan
speeds
The table below explains the meaning of L, H and HH fan speed.ì
Used input The normal outdoor fan control during heating operation uses the following inputs:
Fan operation
71 and 100 125
1 fan Upper fan (MF1) Lower fan (MF2)
OFF OFF OFF OFF
L LLL
H HHH
HH HH HH HH
Input
Connection on
indoor PCB
Connection on
outdoor PCB
Outdoor thermistor — R1T
Suction thermistor R1T —
Indoor heat exchanger thermistor R2T —