Flared connection (Union)
Flared connection
(Service valve, Ball valve)
Use a seemliness tube
Factory charged
Indoor
Outdoor
REFRIGERANT PIPING
INSTALLATION OF OUT DOOR UNIT
Perform the work according to the Service
Manual or Installation Guide.
Select a location that satisfies the following
conditions. Install the unit firmly in place.
■ Select the following location
• A place where the air conditioner can get good ventilation.
• A place where it shall not annoy the neighbors.
• A place where the unit shall be leveled and that can support the weight of unit and
withstand its vibrations.
■ Keep a maintenance space
* One side must be 90Cm for service.
Two of the remaining three sides
may be 30Cm.
• Use two spanners when connect the
refrigerant pipe to the unit.
• Make a bend with a radius as large as
possible.
• Perform air purge with R-22 or vacuum
drying.
• When piping work is finished, check all
joints.
■ Add refrigerant if piping is over 7.5m.
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