Aqua Mini Full DC Inverter Unitary Chiller 50Hz
90
P6: IPM Module protection
LED displays P6
IPM module protection
Check whether P-N voltage on the IPM module
is OK. The DC voltage is from
277 to 356V.
NO
Check whether the input power is
correct. The power is 220-240V, 1N,
50Hz.
NO
Adjust to the right range.
Then check whether the
system runs normally.
YES
Check whether power
wiring is connected
correctly and firmly.
NO
Connect firmly again and
check whether it is
connected right.
NO
YES
NO
Check whether the output voltage of
single-phase bridge rectifier is within
277-356V
NO
Replace rectifier.
YES
Check if it is connected
normally before entering bridge
rectifier . If wire body terminal is
connected firmly.
NO
Connect wire correctly..
YES
Check if wiring connection
between DC filter and IPM module
is fasten or not.
YES
Check whether wiring
connection of the compressor
is connected right and firmly.
YES
Replace IPM module and
check whether the system
can operate normally or not..
NO
Replace main PCB and check
whether the system can
operate normally or not.
YES
Solve the
malfunction.
NO
Replace compressor and check
whether the system can
operate normally or not.
Connect firmly
again and check
whether it is
connected
correctly.
NO
Connect well again
and check whether
it is connected
correctly.
NO
YES
Solve the problem
NO
NO
YES
Solve the
malfunction.
YES
Check the fuse on the power
board is normal or not.
NO
Replace the
same model
fuse.
YES
Replace the main PCB.
Summary of Contents for MGRH10A-PA1Z
Page 16: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 16 7 Wiring Diagram MGRH5A PA1Z MGRH7A PA1Z...
Page 17: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 17 MGRH10A PA1Z...
Page 18: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 18 MGRH12A PA3Z MGRH14A PA3Z MGRH16A PA3Z...
Page 29: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 29 MGRH12A PA3Z MGRH14A PA3Z...
Page 30: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 30 MGRH16A PA3Z...
Page 32: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 32 13 Exploded View MGRH5A PA1Z MGRH7A PA1Z...
Page 34: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 34 MGRH10A PA1Z...
Page 36: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 36 MGRH12A PA3Z MGRH14A PA3Z MGRH16A PA3Z...