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6-15
6.5.2 Short circuit operation of controller
For cutting off
q
Turn the circuit breaker OFF.
the power to
w
Disconnect the power supply
CPU board
connector CN82(White) on SMV
adapter board.
For making the
e
Remove Short Circuit Connector
forced running
SCC1-1(Blue), SCC1-2(Red) and
of COMP.,
SCC2(Blue) stored on back of
CFM and EFM.
controller.
r
Connect Short Circuit Connector
r
Connect Short Circuit Connector
SCC1-1(Blue) to CN8 and SCC2
SCC1-2(Red) to CN8 and SCC2
(Blue) to CN9 on terminal board.
(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.
t
Turn the circuit breaker ON.
reverse phase
If the power is in reverse phase,
If the power is in reverse phase,
power
COMP. can not be run and CFM
EFM runs reversely with high speed.
runs reversely.
Then fresh air is sucted to Outlet
Hole and discharged from Inlet Hole
at the ventilator.
For correcting
y
If it is in reverse phase, turn the circuit breaker OFF and replace the
reverse phase
reverse phase correction socket to opposite side.
power
("Lower socket CN-C1 to Upper CN-C2" or "Upper CN-C2 to Lower CN-C1")
Air Outlet
Air Intake
Cooling Operation
Heating Operation
SCC1-2(Red)
SCC2(Blue)
Terminal Board
CN5(Red)
SCC1-1(Blue)
SCC2(Blue)
CN-C1 & CN-C2 : Reverse phase
correction socket (Refer to next step
y
)
EMERGENCY
[COOL] BLUE [COOL] BLUE
[HEAT] RED
CN8
CN9
EMERGENCY
[HEAT] BLUE
CN10
EMERGENCY
[COOL] BLUE [COOL] BLUE
[HEAT] RED
CN8
CN9
EMERGENCY
[HEAT] BLUE
CN10
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