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| HOW TO OPERATE USING THE CONNECTOR FOR SERVICING THE OUTDOOR UNIT
|
(MODEL RAM-80QH1}
1. Set the service switch to the forced COOLING side.
2. Apply AC 220V to L and N on the termins! board.
MAIN P.W.B.
SELF-DIAGNOSIS
SELF-DIAGNOSIS
LAMP FOR INDOOR LAMPS FOR INDOOR
UNITS 1 and 2
UNITS 3and4
s f
cr
—
)
a
i
x
POWER
P.W.B.
z=
ud
uu
oc
So
<
3
o
ra
ona]
| — LD303A(RED)
LD304A(GREEN
LD302B(RED)
LD303B(RED)
LD304B(GREEN
LD305B(GREEN
et ns
oS LD301B
\\
\
FAN P.W.B.
NORMAL COOL
| dials
=
Service switch >
Cooling >
pope
eg and forced cooling operation
Be careful not to operate unit
for more than 5 minutes.
A CAUTION
(1) When operation is checked using the outdoor unit service switch, self-diagnosis LED LD30§ will flash
once to indicate communication error if F-cables(C1 D1,C2 D2) are not connected between the indoor
and outdoor units.
(2) When operation is done with the compressor connector disconnected, normal operation willcontinue
for more than 2 minutes if electrical parts are normal.
(3) If electrical parts are nomal, nomal operation is done continuously when operated with the c» mpressor
connector kept disconnected.
After servicing is perfomed using the service switch, be sure to return the service switch to its norma _ setting.
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