Short Circuit Operation Of Controller - Daikin LXE10E-A Service Manual

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6.5.2 Short circuit operation of controller

●Models produced after May,2006 (Connector type terminal board)
q Turn the circuit breaker OFF.
For cutting off
w Disconnect the power supply
the power to
connector CN82(White) on SMV
CPU board
adapter board.
For making the e Remove Short Circuit Connector
SCC1-1(Blue), SCC1-2(Red) and
forced running
SCC2(Blue) stored on back of
of COMP.,
controller.
CFM and EFM.
r Connect Short Circuit Connector
SCC1-1(Blue) to CN8 and SCC2
(Blue) to CN9 on terminal board.
SCC1-1(Blue)
SCC2(Blue)
t Turn the circuit breaker ON.
For checking
If the power is in reverse phase,
reverse phase
COMP. can not be run and CFM
power
runs reversely.
y If it is in reverse phase, turn the circuit breaker OFF and replace the
For correcting
reverse phase correction socket to opposite side.
reverse phase
("Lower socket CN-C1 to Upper CN-C2" or "Upper CN-C2 to Lower CN-C1")
power
Cooling Operation
CN-C1 & CN-C2 : Reverse phase
correction connector (Refer to next step y)
6-23
Heating Operation
Disconnect CN82 (White)
Open cover
r Connect Short Circuit Connector
SCC1-2(Red) to CN8 and SCC2
(Blue) to CN10 on terminal board.
Terminal Board
t Turn the circuit breaker ON.
If the power is in reverse phase,
EFM runs reversely with high speed.
Then fresh air is sucted to Outlet
Hole and discharged from Inlet Hole
at the ventilator.
Air Inlet
Air Outlet
Correct
SMV adapter
SCC1-1(Blue)
SCC1-2(Red)
SCC2(Blue)
SCC2(Blue)
SCC1-2(Red)
Air Outlet
Air Inlet
Reverse