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Installation
Commissioning
These elements must be checked before commissioning.
List of checks to be carried out
1. Does the line match the circuit diagram?
2. When installing multiple machines at the same time, confirm that
the connection lines of the indoor and outdoor units are not mistakenly
connected.
connected by mistake.
3. Is the unit properly grounded?
4. Is the screw loose in the wire connection?
5. Is the insulation value greater than 1Ω?
6. Is the pipe size correct?
7. Are the gas and liquid lines thermally insulated?
8. Are the shut-off valves on the liquid and air side fully opened?
9. Has the refrigerant additive charge and the length of the refrigerant
piping been recorded?
Steps to follow to start the commissioning process
1.
Turn on the power supply and select cooling mode as shown in the remote controller section of this
manual.
2. After the 3 minutes of compressor protection, check that the indoor unit grille is working properly and
that both the indoor and outdoor units are working properly without abnormalities. Check that cool
air is produced after a short period of time.
3. Select heating mode on the remote controller and wait for 5 minutes. Check that the indoor fan starts
correctly and that warm air is produced after a short time.
4. Select Fan mode on the remote control. Check that the fan operates correctly at all speeds.
5. Test the other functions of your remote control as described in the section of this manual.
6. Select the cooling mode and check that the vacuum pump is working properly.
7. After confirming that the unit is operating properly, turn the unit off and disconnect the power supply.
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