Turbo Air TAS-18EHN Service Manual page 39

Compressor
4-way valve
Outdoor fan
Indoor fan
Indoor fan breeze(10s)
XX=90s
8.4.3.5 Evaporator coil temperature protection
----T2> TEH2℃, the compressor running frequency decreases to the lower level and runs for 20s.
When the frequency decreases to F2 and the T2 is still over TEH2℃ for 3 minutes, the compressor will
stop.
----T2<48℃ or T2 stays in 48℃~ TEH2℃ for 6 minutes, the frequency will not be limited by T2.
----T2>60℃, the compressor will stop and restart when T2<48℃.
8.4.4 Auto-mode
This mode can be chosen with remote controller and the setting temperature can be changed between
17~30℃.
In auto mode, the machine will choose cooling, heating or fan-only mode according to ΔT (ΔT =T1-Ts).
Frequency F2
on
off
on
off
on
off
on
off
10s
ΔT=T1-Ts
ΔT＞1℃
-1<ΔT≤1℃
Frequency F8
xx
10s
no longer than 10m
Running mode
39
30s
Cooling
Fan-only