1000 m piping is really possible in VRF

[prasathinusa]

In Multi V III, VRV III, City Multi - Refrigerant Total Pipe Length is 1000 m.

Such pipe length is possible to connect, when they have first Y Joint to Farthest Indoor unit is 40 m.

[frank]

I think you mean 100m?

[prasathinusa]

No Total Pipe Length of 1000 m (Thousand)

[frank]

Where did you get this information from? I'm intreged

[install monkey]

vrv3 heat recovery
with a maximum of 165mtr i think its a translation error
Equvalent pipe length between outdoor unit (*2) and idoor unit
≤ 190m (Note 1)
(Assume eqivalent pipe length of REFNET joint to be 0.5m, that of REFNET header to be 1m, that of BSVQ100, 160 to be 4m, that of BSVQ250 to be 6m for calculation purposes)
Total piping length from outdoor unit (*2) to all indoor unit
≤ 1000m
Actual pipe length from first outdoor unit multi connection piping kit to outdoor unit
≤ 10m
Equivalent pipe length from first outdoor unit multi connection piping kit to outdoor unit
≤ 13m
Actual pipe length from first refrigerant branch kit (either REFNET joint or REFNET header) to indoor unit
≤ 40m (Note 2)
Example 8 : b + c + d + e + s
≤ 40m
Difference in height between outdoor unit and indoor unit (H1)
≤ 50m (Max 40m if the outdoor unit is below)
Difference in height between adjacent indoor units (H2)
≤ 15m
Difference in height between adjacent outdoor units (H3)
≤ 5m
Outdoor unit
r
≤ 10m
(Equivalent length
≤ 13m)
u + s
≤ 10m
(Equivalent length
≤ 13m)
u + t
≤ 10m
(Equivalent length
≤ 13m)
Example 6 : b +
≤ 40m

[NoNickName]

Yeah, it's possible. Working? I doubt it.

[prasathinusa]

I couldn't understand the above example?

[stufus]

A citi multi Y series can have a total pipe lenght (one way) of 3280ft which is 999.74 mtrs.
BUT THAT DOES NOT MEAN YOU CAN HAVE AN INDOOR UNIT 1000MTRS AWAY FROM THE OUTDOOR.
Cheers
Stu