80
2. Applicable range
When the pipe between the outdoor unit and its furthest indoor unit is longer than 90m, the specification of master
pipe (Gas pipe/ Liquid pipe) between outdoor unit and the first Y joint should be upgraded for one level. For more
details, please refer to "
Outdoor pipe selection table
"
When the pipe between the first Y joint and its furthest indoor unit is longer than 40m,
(1) The specification of the master pipe ( Gas pipe/ Liquid pipe) between the first Y joint and its furthest indoor unit
should be upgraded for one level.
(2) The distance between the furthest indoor unit and the nearest one ≤ 40m.
(1) The piping connecting outdoor unit must be placed horizontally or in accordance with the installation of a certain
angle (level angle less than 15 degrees), connected with a concave not allowed.
(2) All piping cannot connect the outdoor unit is higher than the height of the machine outlet (valve interface part).
3. Pipe length between outdoors
Item Model
All outdoors
Pipe in above figure
Single way total pipe length
1000 m (correspond length)
L1+L2+L3……+L22
Single way pipe length
Max. 165/190 (correspond length)
L1+L3+ L5+L6+L7+L8+L9+L10
Main pipe beween outdoor to 1st branch
Max.130 (correspond length)
L5
Height difference between
indoor and outdoor
Outdoor is upper
Max. 40m
H3
Outdoor is lower
Max. 50m
H3
Height difference between outdoors (in the
same system)
Within 0.5 m (better be horizontal)
H1
Max. pipe length from 1st branch pipe to indoor
Max. 40m
L6+L7+L8+L9+L10
Height difference between indoors
Max. 15m
H2
Max.pipe length between indoors and
thenearest branch pipe
Max. 30m
When outdoor is only one,
Single way max. pipe length = L5+L6+L7+L8+L9+L10≤190m
Single way total pipe length = L5+L6……+L22
Proper installation
Wrong installation
The lubricating oil will accumulate to the lowest outdoor
unit
Proper installation
Proper installation
Summary of Contents for MRV 5-RC AB052MAERA
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 ...