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When condenser temperature temp. is more than
setting value, the compressor will stop.
7.4.2.5 Evaporator temperature protection
When Evaporator temperature is less than setting
value, the compressor will stop.
7.4.3 Heating Mode
7.4.3.1 Compressor running rules
When T1-Ts>-ΔT, the compressor will stop. When T1-
Ts<ΔT-1.5, the compressor will be on. ΔT is the
programmed parameter of temperature
compensation. When the AC runs in mute mode, the
compressor will run with low frequency. When the
current is more than setting value, the current
protection function will be activated and the
compressor will stop.
7.4.3.2 Outdoor fan running rules
The outdoor unit will run at different fan speeds
according to T4.
For different outdoor units, the fan speeds are
different.
7.4.3.3 Indoor fan running rules
When the compressor is on, the indoor fan can be set
to high/med/low/auto, and the anti-cold wind
function has the priority.
The indoor fan is controlled as below:
Auto fan action in heating mode:
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 keeps
running, indoor and outdoor motor will stop, defrost
lamp of the indoor unit will be lit.
“
”
will be displayed.
If any one of the following items is satisfied, the
defrosting will finish and the machine will turn to
normal heating mode.
----T3 rises to be higher than TCDE1˚C.
----T3 keeps to be higher than TCDE2˚C for 80
seconds.
----The machine has run for 15 minutes in
defrosting mode.
Summary of Contents for DA1221-H2-I
Page 1: ...DuctlessAire ES Series Service Manual 2016 ABSSA B4 1601 ...
Page 8: ...6 For DA1221 H2 I For DA1821 H2 I DA2421 H2 I ...
Page 10: ...8 For DA1221 H2 O ...
Page 11: ...9 For DA1821 H2 O ...
Page 12: ...10 For DA2421 H2 O ...
