SERVICING
34
Floor Joist or Roof Rafter
After the suction line has been strapped to the joist or rafter at 8’ intervals,
strap the liquid line to the suction line.
8’
Metal Sleeve
Wire Tie
(around suction line only)
Floor Joist or
Roof Rafter
Tape or Wire Tie
Tape or Wire Tie
8’
If hanging line set from a joist or rafter,
use metal strapping
or heavy nylon wire tires
that are securely anchored.
Strapping placed
around the suction line only
F
igure 1-3.
Installa�on
of
Re
f
rigerant Piping
(Ho
r
izontal
)
SECTION 3. OUTDOOR UNIT IS ABOVE THE INDOOR UNIT
Condenser ABOVE Evaporator
Maximum vertical
separation of 200 ft.
Maximum line set
equivalent length of 250 ft*.
The maximum line set
actual length is 200 ft.*.
*Includes pressure losses of any elbows, bends, etc.
1.
Suc�on
line must be
slop
ed
con�nuously
towards
the
indoor
unit.
2.
The maximum eleva
�on
(ver
�
cal)
diff
erence b
etwee
n the
ou
t
doo
r unit and
indoo
r unit is 200
f
eet.
3.
The maximum line set equivalent length is 250
f
eet,
w
hich includes pressure
loss
es
of
an
y
elb
ow
, bends, etc. The maximum
line set actual length is 200
f
eet.
4.
Inverted
suc�on
loop
is
not
required at either unit.
5.
An accumulat
o
r is
no
t required
fo
r air c
ondi�on
ers (accumulat
o
rs are
f
act
ory
installed).