SiEN34-705 Appendix
General Information 131
<The Example of A Wrong Pattern>
Note: H Available on request if the outdoor unit is above.
Max.allowable
Piping Length
Outdoor Unit - Multi Connection Piping Kit Actual piping length 10m or less, equivalent length 13m or less
Multi Connection Piping Kit - Indoor Unit
Actual piping length 165m or less, equivalent length 190m or less, the
total extension 1000m or less
REFNET Joint - Indoor Unit
Actual piping length 40m or less
(Refer to Page 285, 286 Note 2 in case of up to 90m)
Allowable Level
Difference
Outdoor Unit - Outdoor Unit 5m or less
Outdoor Unit - Indoor Unit
50m or less H 90m or less
(when an outdoor unit is lower than indoor units: 40m or less in case of
RX(Y)Q5P)
Indoor Unit - Indoor Unit 15m or less
×
(V3039)
Wrong
Oil is collected to the outdoor
unit at the time of a stop,
because of bottom omission of
piping.
×
#
#
(V3040)
Oil is collected to the low level outdoor
unit at the time of a stop, because of
downward slope of piping.
The example of installation on which oil is not collected.
Wrong
Good
Vertical
Projection
Good
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