Mitsubishi Electronics PE-7MYC Manuel D’Utilisation

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POWER  ON
52C1      ON
MC1      OPERATE
MF2      
 
OPERATE
52C2      ON
MC2      OPERATE
MF3      
 
OPERATE
COOL MODE?
LCD controller
COMP ON?
NO
YES
NO
YES
PASS THE 3 MIN?
NO
YES
30FZ,30CZ1,2 ON (SELF  HOLD)
FZ  ON 
YES
52F1  ON
MF1  OPERATE
HZ1,2  ON 
21S4-1,2   ON
T1,T2   ON
CZ1-2,CZ2-2   ON
TIMER  2  ON
NO
CH1,2  ON
LCD controller
ON?
CZ1-1,CZ2-1  ON
CH 1      OFF
CH 1      OFF
CH 2      OFF
52C2      ON
MC2      OPERATE
MF3      
 
OPERATE
NO
YES
CH 2      OFF
No.1 SAFETY 
DEVICE  OFF?
YES
SERVICE  CALL
NO
30CZ1  OFF
52C1       OFF
MC1        STOP
MF2        STOP
CH1     ON
No.2 SAFETY 
DEVICE  OFF?
YES
NO
30CZ2  OFF
52C2       OFF
MC2        STOP
MF3        STOP
CH2     ON
No.1 SAFETY 
DEVICE  OFF?
YES
SERVICE  CALL
NO
30CZ1  OFF
52C1       OFF
MC1        STOP
MF2        STOP
CH1     ON
No.2 SAFETY 
DEVICE  OFF?
YES
NO
30CZ2  OFF
52C2       OFF
MC2        STOP
MF3        STOP
CH2     ON
52C1      ON
MC1      OPERATE
MF2      
 
OPERATE
NO
YES
CZ1-1,CZ2-1  ON
Note:
When the fault of outdoor unit is occurred, the fan(MF1) of indoor unit continues to work.
But the unit doesn't work correctly (not cooling ).
Then, turn off the power supply and check outdoor unit.
When the fault of indoor unit is occurred, both indoor unit and outdoor unit is stop.
PASS THE 3 MIN?
CZ1-2,CZ2-2   ON
TIMER  2  ON
PASS 
THE 30 MIN ON?
(T2)
PASS 
THE 15 MIN ON?
(T4)
YES
X2 ON (SELF HOLD)
T4 ON
X4 ON
X4 OFF
X2 OFF
T4 OFF
21S42, T2 ON
MF3 OPERATE
21S42  OFF
T2  OFF
MF3  STOP
X3  ON?
YES
YES
YES
PASS 
THE 30 MIN ON?
(T1)
YES
X1 ON (SELF HOLD)
T3 ON
X3 ON
X3 OFF
X1 OFF
T3 OFF
21S41, T1 ON
MF2 OPERATE
21S41  OFF
T1  OFF
MF2  STOP
NO
NO
NO
NO
X4  ON?
YES
YES
YES
YES
NO
NO
NO
NO
NO
26D1  ON?
Condensing
temp.
26D2  ON?
YES
NO
PASS 
THE 15 MIN ON?
(T3)
-4
±
1.5˚C
Condensing
temp.
-4
±
1.5˚C
LCD controller
COMP ON?
26D1 OFF?
Condensing
temp.
26
±
1.5˚C
High
pressure
2.16MPa
or
63H2-1 OFF?
26D2 OFF?
Condensing
temp.
26
±
1.5˚C
High
pressure
2.16MPa
or
63H2-2 OFF?
PEH-15,20MYA-EU