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Power supply check
Diagram for power socket in user's home
MSZ
model
Frequency conversion model
Loose the
terminal screws
Terminal
bed
<Detailed connecting diagram>
Wire
S
1
S
3
S
2
Black
White
Red
Yellow/Green
S
1
S
3
S
2
Cables between indoor and outdoor unit shall be
connected in good order using specified cables and
connecting terminals be fixed well without being
affected by external force.
Fire may result from poor connection or fixture.
Cable fixing clamps and electrical cover shall be fixed
well,otherwise,fire or electric shock may result from
entry of dust and moisture.
Be sure not to make wrong connection.
Electric shock may result from wrong grounding.
Warning
Tighten terminal screws to avoid looseness.
After tightening of the screws,pull the wires slightly to
verify whether they are tightened.
If the wires are not connected to the terminal block,
the air conditioner can't operate correctly.
Caution
Wires between indoor and outdoor terminal block shall be
marked with number for corresponding connection.
Warning
Neutral line,live line and earth wire inside power socket at
home shall be connected as shown in figure reliably without
wrong connection and internal short circuit
Fire may result from wrong connection.
Warning
2-5 Auto restart function
When the air conditioner is controlled by the remote
controller,indoor unit electrical board will memorize operation
mode,set temperature and fan speed.If there is a power-off
during operation,Auto restart function is enabled to restart
the air conditioner after recovery of power supply.
Remove the front panel and then remove the emergency
operation button assemblies.
Remove the screw of the electrical cover.
Remove the electrical cover.
Remove the connector of blade motor from CN151 and
pull out the lower limit switch connector from CN1R1.
Remove the vane motor conductor inside the electrical
box.
Pull out the electrical board and disconnect the resistor
JR07 on it.
The operation setting is still reserved at power-off.
3 minutes after recovery of power supply,the air
conditioner will restart automatically according to the
memory.
2-6 Piping work
Be sure to place drainage hose under refrigerant pipe.
Don't upheave or bend the drainage hose.
Don't bind up the hose by pulling it.
Be sure to bind up the drainage hose with commercially
available insulated material when the hose goes through
room.
First wrap pipes with
E
,then the drainage hose with
felt tape
and put them into the pipe keeping section
behind the indoor unit.
Liquid pipe
Gas pipe
Felt tape
Drain piping
A
How to set "Auto Restart Function"
Operation
Caution
Outdoor terminal block
Indoor terminal block
4-core rubber wire
White
Black
Yellow/Green
Red
·
·
·
·
·
·
·
Outdoor
terminal block
Indoor
terminal block
Yellow/Green
BlackWhite
Red
·
·
10 seconds after operating the remote controller,the operation
setting will be reserved.
When the Auto ON/OFF-Timer is activated,the timer setting
will be cancelled in the event of power-off or power failure.
As Auto Restart function is equipped inside the models,once
the power is recovered,the air conditioner will start to operate
three minutes later.
If the air conditioner is turned off by the remote controller
before power-off,Auto Restart function will be disabled due
to power button's Off status in the remote controller.
In order to prevent impulse current from affecting the power
supply,please arrange a sequence to start other household
appliances to avoid simultaneous power-on.
·
·
·
·
·
①
②
①
②
③
④
Grounding( )
Brown
Blue
Yellow/Green
Neutral wire(N)
Live wire(L)
Summary of Contents for MSZ-AH09VA-H1
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