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Installation instructions
Tightening torque
N
m
·
Service cap
13.7-17.7
Shut off valve cap
19.6-29.4
4-3 Test run
MSZ model
Frequency conversion model
Before the trial run, recheck if there is wrong connection. Wrong
·
connection may hinder normal operation or lead to fusing as well
as malfunction.
Perform the trial run by emergency button. At the time of pressing
·
the emergency button, the machine begins to operate in cooling
mode based on optional mode for 30 minutes. The thermostat will
be disabled within the 30 minutes. After the duration, the machine
starts emergency operation in cooling or heating mode at the set
temperature of 24℃.
Trial run shall be performed in the following process.
·
Operation process
Press the emergency button
·
Press the button firstly to enable cooling operation in emergency
①
after running for 30 minutes.
Press the button secondly to enable heating operation in
②
emergency.
Press the button thirdly to disable the operation.
③
Each press of the emergency button enables the unit to operate
following the order of①→②→
model
Cooling
AREA
①
(Light)
(Black out)
Heating
AREA
②
(Black out)
(Light)
Stop
AREA
③
(Black out) (Black out)
Caution:
This is the indication of emergency operation mode.
·
Make sure to receive the signal from the remote controller
After pressing the ON/OFF button of the remote controller,
please confirm whether there is beep from the indoor unit.
Under the control of remote controller, the unit will quit the emergency
operation when receiving the signal from the remote controller.
In order to protect the compressor, the outdoor unit will not be
·
enabled even if the air conditioner restarts three minutes after
stopping operation.
4-4 Notice for user information
Based on operating instructions, please describe the way to
·
adjust and control temperature, disassembly of air filter, way of
cleaning and precautions in operation.
5. Relocation and maintenance after installation
5-1 How to install front panel
Set the horizontal vane to position No.3 (page 10) before
①
installing the front panel.
Insert the bottom side of front panel under the horizontal guide
②
vane.
Fix the top of the front panel securely.
③
Press the agraffe of front panel and fix the front panel on the
④
air conditioner.
kgf
cm
·
140-180
200-300
repeatedly.
③
E.O.
SW
Emergency operation
switch
5-2 Remove the indoor unit
Pull out the bottom part of indoor unit from the mounting panel.
Loosen two angles
As shown below, pull the left and right corner part of indoor unit
downwards and forwards and loosen the hook.
If the methods above can't be adopted
If the above methods can't be adopted, remove the front panel,
insert a hexagon wrench into left and right square hole, then push it
upwards.
The hook will be loosened when the indoor unit bottom is pressed.
Hole
5-3 Supply of refrigerant
Connect a gas bottle to the service port of stop valve(three way).
①
②
Purge the pipe or hose using the refrigerant from the gas bottle.
③
Supply the refrigerant with specified amount during air conditioner
operation in cooling mode.
Precautions
During supply of the refrigerant, don't place the gas bottle upside
·
down, or problems may result.
Connector
Indoor unit
Refrigerant gas bottle valve
Refrigerant gas bottle
In order to keep high pressure in gas bottle, heat the bottle with warm
water (40℃) in cold weather. But don't heat it with fire or steam.
Note:
An indoor wiring diagram is stuck inside indoor unit front panel.
①
Outdoor wiring diagram is stuck on inside of service plate.
②
5-4 How to reclaim the refrigerant
Be sure to use a pressure gauge.
①
Enable a cooling operation first.
②
Then, close the valve (liquid valve) at high pressure side completely
③
with the readings of 0-0.05MPa (about 30-40s) in pressure gauge,
finally close the valve (gas valve) at low pressure side to stop
operation immediately.
You can't remove the connection pipe until you ensure the closure
④
of the two valves (liquid and gas) and power-off.
WARNING
When reclaiming the refrigerant, stop the compressor before
·
disconnecting the refrigerant pipes. The compressor may burst if
gas (air, for example) gets into it.
24
Push
Lower
Stop valve
6.35
Outdoor unit
12.7
Service port
Inflated hose
Spring balance
Inflation(R410A gas)
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