AC Pro AWH30LB-D3DNA3D/I, User Manual

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1 .2 Brief Description of Modes and Functions
1. Temperature Parameters

Indoor Preset Temperature ( PRESET )

Indoor ambient temperature ( AM )
2. Basic Functions
Once energized in no case should the compressor be restarted within 3 minutes of start. In the situation that
memry function is available for the first energization and the compressor is at a stop before de-energization the
compressor can be restarted without waiting 3 minutes. If the compressor is in operation before de-energization
the compressor will start after 3 minutes. Once started the compressor will should not be stopped for 6 minutes
regarless of changes in room temperature.
3. Cooling Mode

Working conditions and process of cooling.
When in AM/PRESET the unit will enter cooling operation in which case the indoor fan, outdoor fan, and com-
pressor will start and the indoor fan will run at preset speed.
When in
AM/PRESET -3.6F the compressor will stop and the outdoor fan will stop after 60 s. The indoor fan will
run at the preset speed.
When
PRESET -3.6F AM/PRESET 1.8F the unit will remain at its precious state.
Under this mode the four-way valve will be de-energized and the temperature set within a range of 61-86F.
If the compressor is shut down for some reason the indoor fan and the swing device will operate at original
state.
4. Protection

Antifreeze Protection
Cooling and dehumidifying mode will start 6 minutes after the compressor starts.
-If evap is at 35.6F the compressor will operate at reduced frequency.
-If evap is at 30.2 F for 3 minutes the compressor will stop and 1 minute after the outdoor fan will stop. Under
cooling mode the indoor fan and swing motor will remain at the original state.
-If evap is at 42.8 F and the compressor has remained off for at least 3 minutes, the compressor will resume it’s
original operation state.

Total Current up and frequency down protection
-If Itotal 16 a frequency rise will occur. If Itotal is over 17 a frequency rise will not occur. If Itotal is over 18 the
compressor will run at reduced frequency and if the Itotal is over 20 the compressor will stop and the outdoor
fan will stop with a time lag of 60s.
5. Dehumidifying Mode

Working conditions and process of dehumidifying
-If AM/PRESET 1.8F the unit will enter cooling and dehumidifying mode in which case the compressor and the
outdoor fan will operate and the indoor fan will run at low speed.
If PRESET -3.6 F AM /PRESET 1.8 F the compressor remains at its original operation state.
If AM/PRESET -3.6F the compressor will stop the outdoor fan will stop with a time lag of 60s and the indoor fan
will operate at low speed.
21
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Service Manual
6.2 Brief Description of Modes and Functions
1. emperature Parameters
Indoor preset temperature (
preset
)
Indoor am ient temperature (
am
.)
2. Basic Functions
Once energi ed in no case should the compressor e restarted within less than 3 minutes. In the situation that memory function
is a aila le for the first energi ation if the compressor is at stop efore de-energi ation the compressor will e started without
a 3-minute lag if the compressor is in operation efore de-energi ation the compressor will e started with a 3-minute lag and
once started the compressor will not e stopped within 6 minutes regardless of changes in room temperature
(1) Cooling ode
Wor ing conditions and process of cooling
When
am preset
the unit will enter cooling operation in which case the indoor fan the outdoor fan and the compressor will
wor and the indoor fan will run at preset speed.
When
am preset
-3.6 the compressor will stop the outdoor fan will stop with a time lag of 60s and the indoor fan will run
at preset speed.
When
preset
-3.6
am . preset
1.8 the unit will remain at its pre ious state.
nder this mode the four-way al e will e de-energi ed and temperature can e set within a range from 61 to 86
If the compressor is shut down for some reason the indoor fan and the swing de ice will operate at original state.
Start cooling
Stop cooling
Compressor
Original wor ing state
un Stop
Outdoor fan
Indoor fan
preset
preset
3.6
am .
Preset fan speed
6 minutes
6 minutes
3 minutes
Protection
ntifree e protection
nder cooling and dehumidifying mode 6 minutes after the compressor is started:
If
e ap
35.6 the compressor will operate at reduced fre uency.
If
e ap
30.2 is detected for durati e 3 minutes the compressor will stop and after 60 seconds the outdoor fan will stop
and under cooling mode the indoor fan and the swing motor will remain at the original state.
If
e ap.
42.8 and the compressor has remained at OFF for at least 3 minutes the compressor will resume its original
operation state.
otal current up and fre uency down protection
If I
total
16 fre uency rise will e allowed if I
total
17 fre uency rise will not e allowed if I
total
18 the compressor will
run at reduced fre uency and if I
total
20 the compressor will stop and the outdoor fan will stop with a time lag of 60s.
(2) Dehumidifying ode
Wor ing conditions and process of dehumidifying
If
am preset
1.8 F the unit will enter cooling and dehumidifying mode in which case the compressor and the outdoor fan will
operate and the indoor fan will run at low speed.
If
preset
-3.6
am preset
1.8 F the compressor remains at its original operation state.
If
am
.
preset
-3.6 the compressor will stop the outdoor fan will stop with a time lag of 60s and the indoor fan will
operate at low speed.
F
F
F
F
F
F
F
F
F
F
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