Daikin VRV EMERION RXYQ-AATJA, Service Manual

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SiUS342303E Test Operation
Part 5 Field Settings and Test Operation 218
3. Test Operation
After installation and once the field settings are defined, the installer is obliged to verify correct
operation. Therefore a test operation must be performed according to the procedures described
below.
3.1 Precautions Before Starting Test Operation
After the installation of the unit, first check the following items. Once all below checks are fulfilled,
the unit must be closed, only then can the unit be powered up.
1. Installation
Check that the unit is properly installed, to avoid abnormal noises and vibrations when starting
up the unit.
2. Field wiring
Be sure that the field wiring has been carried out according to the instructions described in
chapter
Electrical wiring work in the installation manual, according to the wiring diagrams and
according to the applicable legislation.
3. Power supply voltage
Check the power supply voltage on the local supply panel. The voltage must correspond to the
voltage on the identification label of the unit.
4. Ground wiring
Be sure that the ground wires have been connected properly and that the ground terminals are
tightened.
5. Insulation test of the main power circuit
Using a megatester for 500 V, check that the insulation resistance of 1 M

or more is attained
by applying a voltage of 500 VDC between power terminals and ground. Never use the
megatester for the transmission wiring.
6. Fuses, circuit breakers, or protection devices
Check that the fuses, circuit breakers, or the locally installed protection devices are of the size
and type specified in chapter
Electrical wiring work in the installation manual. Be sure that
neither a fuse nor a protection device has been bypassed.
7. Internal wiring
Visually check the electrical component box and the inside of the unit on loose connections or
damaged electrical components.
8. Pipe size and pipe insulation
Be sure that correct pipe sizes are installed and that the insulation work is properly executed.
9. Stop valves
Be sure that all stop valves are open.
10.Damaged equipment
Check inside of the unit on damaged components or squeezed pipes.
11.Refrigerant leak
Check inside of the unit on refrigerant leakage. If there is a refrigerant leak, try to repair the leak.
If the repair is unsuccessful, call your local dealer. Do not touch any refrigerant which has
leaked out from refrigerant piping connections. This may result in frostbite.
12.Oil leak
Check the compressor for oil leakage. If there is an oil leak, try to repair the leak. If the repairing
is unsuccessful, call your local dealer.
13.Air inlet/outlet
Check that the air inlet and outlet of the unit is not obstructed by paper sheets, cardboard, or
any other material.
14.Record the contents of field setting.
Record them on the accessory REQUEST FOR THE INDICATION label. And attach the label
on the back side of the front panel.
15.Record the installation date.
Record the installation date on the accessory REQUEST FOR THE INDICATION label. And
attach the label on the back side of the front panel.