Heat Controller MSS-012B/A Air Conditioner User Manual


 
(2)
18k,
24k
Models(Cooling
Only,
Cooling
&
Heating)
I
Hazardous
voltage
can
cause
ELECTRIC
SHOCK
or
DEATH.
Turn
off
circuit
breaker
before
you
start
checking
or
servicing.
1.
To
remove
the
Grille
from
the
Chassis
"
Set
the
up-and-down
air
discharge
lower
to
open
position
(horizontally)
by
finger
pressure.
"
Remove
the
securing
screws
at
the
bottom
of
grille.
"
To
remove
the
Grille,
pull
the
lower
left
and
right
side
of
the
grille
toward you
(Slightly
tilted)
and
lift
it
straight
upward.
2.
To
remove
the
Control
Box
"
Remove
the
thermisters.
One
from
thermistor
holder
on
evaporator,
the
other
from
pipe
holder.
"
Remove
step
motor
connector
from
main
P.
C.
B.
"
If
necessary,
disconnect
DC
power
supply
cord
from
pillar
terminal,
and
remove
the
clip
screw.
(Be
careful
not
to
lose
the
clip
when
reassem-
bling)
Screw
(3places)
-46-
0
0
Grille
Chassis