6.3 Main Protection
6.3.1 Three minutes delay at restart for
compressor
1 minute delay for the 1
st
time stand-up and 3
minutes delay for others.
6.3.2 Fan speed is out of control
When indoor fan speed keeps too low
(300RPM) for certain time, the unit will stop and
the LED will display the failure
6.3.3 Inverter module protection
The Inverter module has a protection function
about current, voltage and temperature. If these
protections happen, the corresponding code will
display on indoor unit and the unit will stop
working.
6.3.4 Indoor fan delayed open function
When the unit starts up, the louver will be active
immediately and the indoor fan will open 7s
later.
If the unit runs in heating mode, the indoor fan
will be also controlled by anti-cold wind
function.
6.3.5 Sensor protection at open circuit and
breaking disconnection.
.
6.4 Operation Modes and Functions
6.4.1 Fan mode
(
1) Outdoor fan and compressor stop.
(2) Temperature setting function is disabled,
and no setting temperature is displayed.
(3) Indoor fan can be set to
high/med/low/auto.
(4) The louver operates same as in cooling
mode.
(5) Auto fan:
a
b
c
d
5.0
4.0
2.5
1.0
6.0
T1-24
e
H
(H-L)*0.75+L
(H-L)*0.5+L
(H-L)*0.25+L
L
6.4.2 Cooling Mode
6.4.2.1 Compressor running rules
The compressor will run at corresponding
frequency according to the gross amendatory
capacity demand.
Freque
ncy
COO
L_F0
COO
L_F1
COO
L_F2
…
…
COOL
_F15
COOL
_F16
Amend
atory
capacit
y
deman
d.
0
1
2
…
…
15
16
Meanwhile the maximum running frequency will
be adjusted according to the outdoor ambient
temp.
43
41
38
T4LimFre1_ADD
No limit
T4LimFre2_ADD
T4LimFre3_ADD
42
39
37
49
46
T4LimFre4_ADD
T4LimFre5_ADD
48
45
6.4.2.2 Outdoor fan running rules
Summary of Contents for ACP-07CIFM21AERI
Page 9: ......
