For cutting off q Turn the circuit breaker OFF.
the power to w Disconnect the power supply
connector CN82(White) on SMV
adapter board.
CPU board
For making the
e Remove Short Circuit Connector
SCC1-1(Blue), SCC1-2(Red) and
SCC2(Blue) stored on back of
controller.
forced running
of COMP.,
CFM and EFM.
r Connect Short Circuit Connector
SCC1-1(Blue) to CN8 and SCC2
(Blue) to CN9 on terminal board.
r Connect Short Circuit Connector
SCC1-2(Red) to CN8 and SCC2
(Blue) to CN10 on terminal board.
Disconnect CN82 (White)
Open cover
SMV adapter
SCC1-1(Blue)
SCC2(Blue)
SCC1-2(Red)
For checking t Turn the circuit breaker ON.
If the power is in reverse phase,
COMP. can not be run and CFM
runs reversely.
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.
reverse phase
power
For correcting y If it is in reverse phase, turn the circuit breaker OFF and replace the
reverse phase correction socket to opposite side.
("Lower socket CN-C1 to Upper CN-C2" or "Upper CN-C2 to Lower CN-C1")
reverse phase
power
Cooling Operation Heating Operation
CN-C1 & CN-C2 : Reverse phase
correction connector (Refer to next step y)
Air Outlet
Air Inlet
Air Outlet
Air Inlet
Correct Reverse
CN8
CN9
CNC1 CNC2
EMERGENCY
COOL- BLUE
HEAT - RED
COOL
CN10
HEAT
CN8
CN9
CNC1 CNC2
EMERGENCY
COOL- BLUE
HEAT - RED
COOL
CN10
HEAT
CN8
CN9
CNC1 CNC2
EMERGENCY
COOL- BLUE
HEAT - RED
COOL
CN10
HEAT
SCC1-2(Red)
SCC2(Blue)
Terminal Board
SCC1-1(Blue)
SCC2(Blue)
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