4. When
i nstalling
a
n ew
f an,
b e
s ure
t he
a rrow
o n
t he
s ide
o f
t he
f an
i s
p ointing
o utwards
toward
t he
f ront
c over.
T his
a rrow
i ndicates
t he
d irection
o f
t he
a irflow
o f
t he
f an.
F or
t he
FreeStyle,
e nsure
t he
t wo
w ires
c oming
f rom
t he
f an
a re
l ocated
o n
t he
u pper
l eft
s ide.
F or
the
F reeStyle
5 ,
e nsure
t he
t wo
w ires
c oming
f rom
t he
f an
a re
l ocated
o n
t he
u pper
r ight
side.
5. Insert
t he
f our
s crews
t hrough
e ach
o f
t he
f our
c orners
o f
t he
f an.
S ecure
w ith
n ut.
D O
N OT
O VER
TIGHTEN.
6. Connect
t he
M olex
c onnector
f rom
t he
f an
t o
t he
c ircuit
b oard.
Portable
O xygen
C oncentrator
Figure
2 4.3:
R eplacing
t he
F an
MN220-‐1
A
8 5