143
<Table 2> Dimensions (mm) of connection tube of the indoor units
<Table 3> Dimensions (mm) of connection pipe of the vale box
Indoor (×100W)
Gas pipe (mm)
Liquid pipe (mm)
22~28
Ø9.52×0.8
Ø6.35×0.8
36~56
Ø12.7×0.8
Ø6.35×0.8
71~112
Ø15.88×1.0
Ø9.52×0.8
Note:
High wall 0.8/1HP gas pipe: Ø12.7
High wall 2HP gas pipe/liquid pipe: Ø15.88/Ø9.52
Pipe connection
(*1) Refer to the field pipe
(*2) Please use the flare nut installed on the product body again.
Note:
During installation, please confirm the HP gas pipe and Suction gas pipe between outdoor and valve box (such as
by sending nitrogen into the HP gas pipe and Suction gas pipe), then connect Suction gas pipe to the Suction gas
pipe of valve box, HP gas pipe to the HP gas pipe of valve box.
(Note):
When a 072, 092 indoor unit is connected in the downstream, please use the auxiliary
pipe
-1,2 for connection according to Fig.11.
When a 122, 162, 182 indoor unit is connected in the downstream, please use the auxiliary pipe -1,3 for
connection according to Fig.11.
When a High wall 0.8/1HP indoor unit is connected in the downstream, please use the auxiliary pipe -1,3 f
or connection according to Fig.11.
When an High wall 2HP indoor unit is connected in the downstream, do not use the auxiliary pipe.
Type of valve
box for switch
between cooling
and heating
Pipe dimensions (OD × minimum wall thickness)
High pressure
gas pipe
Suction gas
pipe
Liquid pipe at
the outdoor
unit side
Gas pipe of
the indoor unit
Liquid pipe at
the indoor unit
side
VP4-450B
Ø28.58×1.2
Ø28.58×1.2
Ø15.88×1.0
Ø15.88×1.0
Ø9.52×0.8
Summary of Contents for MRV 5-RC VP1-112B
Page 1: ...MRV 5 RC Service Manual SYJS 03 2019REV A Edition 2019 03 ...
Page 3: ......
Page 55: ...52 AV08 10 12 14IMVURA 4 Center of gravity x X 347 9587 y 471 5454 z 725 6683 y z ...
Page 56: ...53 AV16 18 20 22IMVURA x X 650 5962 y 380 7255 z 706 5342 y z ...
Page 106: ...103 2 Dimension 4 19 200 60 25 25 25 249 108 232 84 69 388 73 82 65 103 177 4 44 4 35 277 ...
Page 116: ...113 2 Preparation before installation ...
Page 162: ...159 One by one valve box PCB code 0151800186A 2 Valve box PCB photo and dip switch setting ...
Page 165: ...162 One by four valve box PCB code 0151800466 ...