Fujitsu AUY30LUAS, Service Manual

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CONNECTION PIPE REQUIREMENT
CAUTION
Install heat insulation around both the gas and liquid pipes. Failure to do so may cause water leaks.
Use heat insulation with heat resistance above 120 !C. (Reverse cycle model only)
In addition, if the humidity level at the installation location of the refrigerant piping is expected to exceed 70%, install heat
insulation around the refrigerant piping. If the expected humidity level is 70-80%, use heat insulation that is 15 mm or thicker
and if the expected humidity exceeds 80%, use heat insulation that is 20 mm or thicker.
If heat insulation is used that is not as thick as specified, condensation may form on the surface of the insulation.
In addition, use heat insulation with heat conductivity of 0.045 W/(maK) or less (at 20 !C).
Use pipe with water-resistant heat insulation.
CAUTION
The maximum lengths of this product are shown in the following table. If the units are further apart than this, correct
operation can not be guaranteed.
Name and Shape Q'ty Application
For outdoor unit drain
piping work (May not be
supplied, depending on
the model.)
For filling in a gap at the
entrance of connection
cords
1
2
1
Drain pipe
Drain cap
Insulation (seal)
STANDARD PARTS
The following installation parts are furnished.
Use them as required.
MAX.
50 m
70 m
Pipe length
MIN.
5 m 30 m
Maximum height
(between indoor
and outdoor)
Model Type
Liquid Gas
30,000 BTU/h class
36,000 BTU/h class
9.52 mm (3/8 in.) 15.88 mm (5/8 in.)
45,000 BTU/h class
Diameter
WARNING
For the air conditioner to operate satisfactorily. install it as outlined in this installation instruction sheet.
Connect the indoor unit and outdoor unit with the room air conditioner piping and cords available standards parts. This
installation instruction sheet describes the correct connections using the installation set available from our standard parts.
Installation work must be performed in accordance with national wiring standards by authorized personnel only.
Also, do not use an extension cord.
Do not turn on the power until all installation work is complete.
Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation.
There is not extra refrigerant in the outdoor unit for air purging.
Use a vacuum pump for R410A exclusively.
Using the same vacuum pump for different refrigerants may damage the vacuum pump or the unit.
Use a clean gauge manifold and charging hose for R410A exclusively.
If refrigerant leaks while work is being carried out, ventilate the area. If the refrigerant comes in contact with a flame, it
produces a toxic gas.
Be careful not to scratch the air conditioner when handling it.
After installation, explain correct operation to the customer, using the operating manual.
Let the customer keep this installation instruction sheet because it is used when the air conditioner is serviced or moved.
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