1
7
8.4 Operation Modes and Functions
8.4.1 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:
8.4.2 Cooling Mode
8.4.2.1 Compressor running rules
When T1-Ts<
28.4°F
(
-2
℃
)
, the compressor
will stop, when T1
—
T
S
>
31.1°F
(
-0.5
℃
)
,
the
compressor will be activated.
When the AC run 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.
8.4.2.2 Outdoor fan running rules
The outdoor unit will be run at different fan
speed according to T4.
For different outdoor units, the fan speeds are
different
8.4.2.3 Indoor fan running rules
In cooling mode, indoor fan runs all the time
and the speed can be selected as high,
medium, low and auto.
When the setting temp
erature
is reached, if
the compressor stop running, indoor fan motor
will run in Minimum speed or setting speed.
The indoor fan is controlled as below:
Setting fan
speed
Actual fan speed
H+(H+=H+G)
A
H(=H)
B
C
M+(M+=M+Z)
D
M(M=M)
E
F
L+(L+=L+D)
G
L(L=L)
H
I
T1-Td
℃
(°F)
L
L-(L-=L-D)
H
H-(H-=H-G)
M
M-(M-=M-Z)
The auto fan acts as below rules:
8.4.2.3 Condenser temperature protection
When condenser temperature is more than
setting value, the compressor will stop.
8.4.2.5 Evaporator temperature protection
When Evaporator temperature is less than
setting value, the compressor will stop
.
8.4.3 Heating Mode
8.4.3.1 Compressor running rules
When T1-Ts>-
ΔT, the compressor will stop,
when T1-T
S
<ΔT-1.5
,
the compressor will be on.
ΔT is the programmed parameter of
temperature compensation.
a
b
c
d
T1
e
T4
A+
A
B
C
D
E
a
b
c
d
T1
e
T3
Resume
Off
Decrease
Hold
Содержание CH-09DKT230VI
Страница 29: ...27 IPM board TO MAIN W connecttothecompressor V OVAC standby 10 200VAC running...
Страница 41: ...39 P W N U...
Страница 42: ...40 N V N W...