The Example Of A Wrong Pattern - Daikin VRV II RXYQ5MY1B Service Manual

SiE39-404
5.2

The Example of A Wrong Pattern

Wrong
×
Oil is collected to the low level outdoor
unit at the time of a stop, because of
downward slope of piping.
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
Appendix
Wrong
×
Oil is collected to the outdoor
unit at the time of a stop,
because of bottom omission of
piping.
The example of installation on which oil is not collected.
Good
Vertical
Projection
200~
300mm
Actual piping length 150m or less, equivalent length 175m or
less, the total extension 300m or less
Actual piping length 40m or less
5m or less
50m or less
(when an outdoor unit is lower than indoor units : 40m or less)
15m or less
Piping Installation Point
Vertical projector
is required if this
distance is 2m
or more.
(V3086)
V3039
305