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74 Ceiling & Floor, Ceiling Suspended (50Hz, R22)
15. Installation
INSULATION, OTHERS
Insulate the joint and tubes completely.
All thermal insulation must comply with local requirement.
REFRIGERANT PIPE
• Insulate and tape both the gas piping and
liquid piping.
■ After all workings are finished, check the working and operation.
• Air distribution ...............Is the air circulation good?
• Drain .............................Is the drainage smoothly and no sweating?
• Gas leakage .................Is the piping connection correctly?
• Wiring ...........................Is the wiring connection correctly?
• Lock-bolt .......................Is the lock-bolt of compressor loosened?
THERMAL INSULATION
TEST AND CHECK
Power cable
Liquid pipe
Thermal insulator
Gas pipe
Tape
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
• Use two spanners when connecting 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 5m.
Above 70Cm
Above 30Cm
Outdoor unit
Above 30Cm Above 50Cm
Face of wall
Model Additional Refrigerant
LV-C488LLA0
LV-C488LLB0
LV-C608LLA0
LV-C608LLB0
60g/m
LV-H488LLA0
LV-H488LLB0
LV-H608LLA0
LV-H608LLB0
LV-C368KLA0
LV-C368KLB0
LV-H368KLA0
LV-H368KLB0 50g/m
LV-C368KLA1
LV-C488LLA1
LV-C608LLA1