Daikin DZ18VC Series Installation Instructions Manual page 4

Where possible, drain as much residual compressor oil from
existing systems, lines, and traps; pay close attention to low
areas where oil may collect. NOTE: If changing refriger-
ant, the indoor coil and metering device must be replaced.
Only DV**PEC air handlers are compatible and have been
manufacturer approved for use with these models. See unit
specifications or AHRI for an approved system match.
Heat Pump BELOW Indoor Coil
Oil Trap Construction
LONG RADIUS
STREET ELL
STREET
ELL
SHORT RADIUS
STREET ELL
Maximum line set
equivalent length of 125 ft*.
The maximum line set actual length is 100 ft.
*Includes pressure losses of any elbows, bends, etc.
Heat Pump ABOVE Indoor Coil
Maximum line set
equivalent length of 125 ft*.
The maximum line set
actual length is 100 ft.
*Includes pressure losses of any elbows, bends, etc.
INTERCONNECTING TUBING (Ft)
Line Set Length
Heat Pump
Unit
(Tons)
2
3
4
5
Maximum vertical
separation of 200 ft.
4
RECOMMENDED
0 - 125' Equivalent
Line Type
& Line Diameter (In. OD)
Suct Liq
3/4 3/8
7/8 3/8
1 1/8 3/8
1 1/8 3/8