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EDUS391004-N
Installation
Installation of Outdoor Units
75
CAUTION
After removing the gas, remove the pinch piping.
Any gas remaining inside may blow off the pinch piping when you
dissolve the brazing, causing damage.
(Refer to figure 11)
1.
Pinch piping (3 pieces)
2.
Do not remove the relay piping.
3.
Pinch piping
4.
Procedure 1 : Confirm the shutoff valve is closed.
5.
Procedure 2 : Connect a charge hose to the service port
of shutoff valve and remove the gas in the pinch piping.
6.
Procedure 3 : After removing the gas in the pinch piping,
dissolve the brazing using a burner and remove the pinch
piping.
3.
Connecting refrigerant piping to outdoor units
•
Figure 12 shows the example of connecting refrigerant piping to
outdoor units.
•
The local inter unit piping next accessory pipes are field supplied.
(Refer to figure 12)
1.
When connected to the front
2.
When connected at lateral side (bottom)
3.
Remove the shutoff valve cover to connect.
4.
Remove the knock hole on the bottom frame and route
the piping under the bottom frame.
5.
Liquid pipe shutoff valve
6.
Suction gas pipe shutoff valve
7.
HP/LP gas pipe shutoff valve
8.
Brazing
9.
Liquid side accessory pipe (1)
10.
Suction gas side accessory pipe (1)
11.
HP/LP gas side accessory pipe (1)
12.
L type accessory joint (1)
13.
L type accessory joint (2)
14.
Liquid side accessory pipe (2)
15.
Suction gas side accessory pipe (2)
16.
HP/LP gas side accessory pipe (2)
17.
In case of 72P type use the Accessory joint for connecting
the Suction gas side accessory pipe (2) to Suction gas
side shutoff valve.
18.
Accessory joint
NOTE
•
Make sure the onsite piping does not come into contact with other
piping or the bottom frame or side panels of the unit.
4.
Branching the refrigerant piping
Heed the restrictions below when installing the refrigerant
branching kit and read the installation instruction manual with the
kit.
(Improper installation could lead to malfunctioning or breakdown of
the outdoor unit.)
<REFNET joint>
Install the REFNET joint so it splits horizontally or vertically.
(Refer to figure 13)
1.
Horizontal
2.
A-arrow view
3.
Horizontal surface
4.
±30° or less
5.
Vertical
<REFNET header>
Install the REFNET header so it splits horizontally.
(Refer to figure 14)
1.
Horizontal surface
2.
B-arrow view
3P215731-12R
Summary of Contents for VRV III REMQ120PBTJ
Page 1: ...EDUS 391004 N AMERICAS AMERICAS Installation...
Page 24: ...EDUS391004 N REFNET Pipe System Installation of Outdoor Units 23 1P218719...
Page 25: ...REFNET Pipe System EDUS391004 N 24 Installation of Outdoor Units 1P218720...
Page 26: ...EDUS391004 N REFNET Pipe System Installation of Outdoor Units 25 1P218720...
Page 28: ...EDUS391004 N REFNET Pipe System Installation of Outdoor Units 27 1P280278A...
Page 29: ...REFNET Pipe System EDUS391004 N 28 Installation of Outdoor Units 1P280278A...
Page 30: ...EDUS391004 N REFNET Pipe System Installation of Outdoor Units 29 1P280279...
Page 33: ...REFNET Pipe System EDUS391004 N 32 Installation of Outdoor Units 1P218714...
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Page 35: ...REFNET Pipe System EDUS391004 N 34 Installation of Outdoor Units 1P218715...
Page 36: ...EDUS391004 N REFNET Pipe System Installation of Outdoor Units 35 1P218715...
Page 38: ...EDUS391004 N REFNET Pipe System Installation of Outdoor Units 37 3D071080...
Page 39: ...REFNET Pipe System EDUS391004 N 38 Installation of Outdoor Units 1P280510A...
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Page 41: ...REFNET Pipe System EDUS391004 N 40 Installation of Outdoor Units 1P280511A...
Page 42: ...EDUS391004 N REFNET Pipe System Installation of Outdoor Units 41 1P280511A...
Page 113: ...EDUS391004 N Field Setting Installation of Outdoor Units 113 2P281604A...
Page 114: ...Field Setting EDUS391004 N 114 Installation of Outdoor Units 2P281604A...
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Page 122: ...Field Setting EDUS391004 N 122 Installation of Outdoor Units 2P281605A...
Page 124: ...Field Setting EDUS391004 N 124 Installation of Outdoor Units 2P281605A...
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