33
Setting fan
speed
Actual fan speed
H
（
=H
）
H+(H+=H+G)
M(M=M)
M+(M+=M+Z)
L(L=L)
L+(L+=L+D)
H-
（
H-=H-G)
M-(M-=M-Z)
L-(L-=L-D)
T1-Td+ΔT
℃
L
H
M
-
Auto fan action in heating mode:
T 1 - T d + ¦ ¤
T
7.4.3.4 Defrosting mode
AC will enter the defrosting mode according to the value of temp. of T3 and the value range of temp.
change of T3 and also the compressor running time.
During the defrosting mode, the compressor keep running, indoor and outdoor motor will stop, defrost
lamp of the indoor unit will be lighted “
.” Will be displayed.
7.4.3.5 Evaporator coil temperature protection
Resume
Off
Decrease
Hold
When evaporator temperature temp. is more than the setting protection value, the compressor will
Summary of Contents for FSAI-SU-120AE2
Page 12: ...12 4 2 Wiring Diagram Indoor unit FSAI SU 90AE2 FSAI SU 120AE2 Outdoor unit FSOAI SU 90AE2 ...
Page 13: ...13 Outdoor unit FSOAI SU 120AE2 ...
Page 45: ...45 8 2 6 Refrigerant Leakage Detection diagnosis and solution EC ...
Page 46: ...46 8 2 7 IPM malfunction or IGBT over strong current protection diagnosis and solution P0 ...
Page 47: ...47 8 2 8 Over voltage or too low voltage protection diagnosis and solution P1 ...
Page 48: ...48 8 2 9 High temperature protection of compressor top diagnosis and solution P2 ...
Page 49: ...49 8 2 10 Inverter compressor drive error diagnosis and solution P4 ...
