The Example Of A Wrong Pattern - Daikin VRV III REYQ8PY1 Service Manual

Si37-701
5.2

The Example of a Wrong Pattern

Wrong
×
Oil is collected to the outdoor
unit at the time of a stop,
because of bottom omission of
piping.
Wrong
×
Good
Outdoor Unit - Multi Connection Piping Kit Actual piping length 10m or less, equivalent length 13m or less
Max.allowable Multi Connection Piping Kit - Indoor Unit
Piping Length
REFNET Joint - Indoor Unit
Outdoor Unit - Outdoor Unit
Allowable
Level Outdoor Unit - Indoor Unit
Difference
Indoor Unit - Indoor Unit
Note:
Appendix
Oil is collected to the low level outdoor
unit at the time of a stop, because of
downward slope of piping.
Vertical
Projection
★ Available on request if the outdoor unit is above.
The example of installation on which oil is not collected.
Good
Actual piping length 165m or less, equivalent length 190m or
less, the total extension 1000m or less
Actual piping length 40m or less
(Refer to Page 415 Note 2 in case of up to 90m)
5m or less
Outdoor Unit is above
Outdoor Unit is below
15m or less
Piping Installation Point
(V3039)
50m or less ★90m or less
90m
(V3040)
411