MB 2.6A/AR - Cooling Mode Actions; Dehumidifying Mode Actions

8.4.7
Condition Indoor fan Compressor Outdoor fan Remark
I< I
RESTORE
On On On
On On Off Heating modeI
RESTORE
<I< I
FAN
Low speed On On Cooling mode
I
FAN
<I<I
5MIN
Off Off After 5 Minutes
Current up
I
5MIN
<I< I
3SEC
Off Off After 3 Seconds
I
5MIN
<I< I
3SEC
Off Off After 3 Seconds
I
FAN
<I<I
5MIN
Off Off After 5 Minutes
On On Off Heating modeI
RESTORE
<I< I
FAN
Low speed On On Cooling mode
Current
down
I< I
RESTORE
On On On
If compressor turns off for continuously 4 times due to Current protection in 5
minutes from Compressor On, the unit stops and LED displays failure information
and can’t returns to normal operation automatically.
8.5 Fan-only mode
Fan speed can be set to high/mid/low/ Auto.
8.6 Cooling mode
The 4-way valve is closed at cooling mode.
The action of the compressor and the outdoor fan:
Condition Compressor Outdoor fan
T> Ts+1 On OnTe m p . u p
T<Ts+1 Off Off
T> Ts On OnTemp. down
T<Ts Off Off
Auto fan
Condition
T=Indoor Temp.-Setting Temp.
Indoor fan speed
T<3°C Low
3°C <T<5°C Med.
Te m p . u p
T>5°C High
T> 3°C High
1°C <T<3°C Med.
Temp. down
T<1°C Low
Anti-freezing control to indoor evaporator ( T: evaporator temp. )
Condition
Te m p . Time
Compressor Outdoor fan
T> TE6 On OnTe m p . u p
T< TE6 >5 Minutes Off Off
T> TE5 On OnTemp. down
T< TE5 Off Off
8.7 Dehumidifying mode
8.7.1 The 4-way valve is off at dehumidifying mode
8.7.2 Compressor and Indoor Fan actions in dehumidifying mode