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25
ENGLISH
For Heat Recovery System Installation
Ⓐ Manifold Gauge
Ⓑ Low pressure side Handle
Ⓒ High pressure side Handle
For Heat Pump System Installation
Ⓐ Manifold Gauge
Ⓑ Low Pressure Side Handle
Ⓒ High Pressure Side Handle
WARNING
• Pipe to be vacuumed : gas pipe, liquid pipe
• If the refrigerant amount is not exact, it may not operate
properly.
• If additionally bottled refrigerant amount is over 10 %,
condenser burst or insufficient indoor unit performance may be
caused.
• Low pressure gas pipe should be sealed with a cap in piping
accessories during refrigerant charging.
!
Y branch
A
B
Facing
upwards
Facing
downwards
Within ±3° Within ±3°
Viewed from point A
in direction of arrow
Horizontal
plane
Within +/- 10°
A
Insulator
(included with kit)
Liquid and gas
pipe joints
Insulator for
field piping
Tape
(field supply)
Ⓐ To Branch Piping or Indoor Unit
Ⓑ To Outdoor Unit
• Ensure that the branch pipes are attached horizontally or vertically.
(see the diagram below.)
• There is no limitation on the joint mounting configuration.
• If the diameter of the refrigerant piping selected by the procedures
described is different from the size of the joint, the connecting
section should be cut with a pipe cutter.
• Branch pipe should be insulated with the insulator in each kit.
Branch pipe Fitting
• When the number of indoor units to be connected to the branch
pipes is less than the number of branch pipes available for
connection then cap pipes should be fitted to the surplus branches.
Pinched pipe
B
Header
A
B
C
Ⓐ To Outdoor Unit
Ⓑ To Indoor Unit
• The indoor unit having larger
capacity must be installed closer
to Ⓐ than smaller one.
• If the diameter of the refrigerant
piping selected by the
procedures described is
different from the size of the
joint, the connecting section
should be cut with a pipe cutter.
ⓒ Pipe cutter
• When the number of pipes to be
connected is smaller than the
number of header branches,
install a cap to the unconnected
branches.
• Fit branch pipe lie in a horizontal plane.
Horizontal plane
View from point B in the direction of the arrow
Refrigerant charging
Liquid Pipe
Low Pressure
Gas Pipe
High Pressure
Gas Pipe
Liquid Pipe
Not used
Gas Pipe
1,MFL68980308,영영 2018. 11. 13. 영영 3:23 Page 25
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