109
16. Block diagram of outdoor unit control
(1) Control block diagram of outdoor unit
Suitable for AU96NFTAHA
Power supply
loop TA8000S)
MG-SW AC
contactor for relay
frequency fixing
Commercial
AC contactor
47kΩ/20Wx2
R
S
T
N
60A,600V
30A,600V
3KV+10Ω
7A,600Vx2
820V
x3
560V
x3
DSA 3KV
(MCC1253)
20A,600Vx3
15A,AC500V
LF-315AV
3
4WV SV1 SV2 SV3 SV4
FAN1 FAN2
PMV
H/L
H/L
Td1 Td2 T5 Te Pd Ps
P Q
N
R
N
R
12V
5V
MCU
TMP47C860N
CT2
R N 1 3 1 3 1 3 1 2 3 4
IGBT
50A,1200V
30A,600V
U
V
W
6in1
XYZ
W
V
U
CT1
2200uF/
400Vx2
+
+
30A,600V
L1 L2
U V
W XYZ
TLP250(D4)x6
INV
I.O.L
12VA
12VB
5V
EEPROM
FT69
R
6.3A
N
20A 250V
15A,250V
LF-215NV
STR-4AB
Phase sequence
detector
MG-SW15A
MG-SWb
Contact point
SW
I.O.L
10uF/450V
10uF/450V
I/F-INV PCB communication
220V,74W
Power supply
3
4 wire
380/415V
50/60Hz
commercial
compressor
(Normally
open type)
Commercial
high pressure switch
Commercial
compressor
built-in
overloading
protector
Commercial
MG-SW coil
(overloading
protector)
Surge absorption
PCB
Surge
absorber
Fuse
Fuse
Noise filter
Fuse
Transformer
Zero cross
detection
Commercial
compressor abnormal
Self-locking relay
Norma:Ho
Abnormal:
Relay
4-way
valve
Relay
2-way
valve 1
Relay
two-way
valve 2
Relay
two-way
valve 3
Relay
two-way
valve 4
Relay
fan 1
Relay
fan 2
Relay
driver
Noise
filter
1
6A,250V
Noise
filter
1
MCU
TMP87PM40AN
Supply
circuit
Noise filter
15A,DC860V
LF-215AV
DC
AC contactor
MG-SW1
FMCa-IS
15.5A
AC contactor
MG-SW2
FMCa-IS 15.5A
PMV
drive
Inverter compressor
built-in overloading protector
*
PTC starter (posisor) x 2
100Ω/500v (tdk)
7-segment
nixie tube
display circuit
Serial
communic-
ation circuit
Setting of
type and
function
Multiplex
converter
bus commu-
nication
segment x 2
INV high pressure SW
(normally close type)
Relay drive
AC simultaneous
zero cross
detection
Power supply
loop
Current
detection
circuit
Switch
transformer
IGBT drive circuit
driving control
base plate
Abnormality
detection
Resis-
tance
Resis-
tance
Resis-
tance
Low voltage
detection
Abnormal
current
detection
Cement resistance
Diode
group
Electric
reactor
Crankcase
heat
Inverter
conversion
compressor
Waveform composition LSI
TC9652AN
Setting switch
of type and
function
LED(x4)
indication
Relay
MG-SW1
Relay
MG-SW2
#-phase
rectifying bridge
30A,600V
Inv PCB conversion
(INV)control base
plate
Inverter commpresson
built-in overloading
protector interface (I/F)
Communicating with
indoor unit (BUS)
TRS temperature switch (action
temperature exceeds 100*)
Transformer
FT70
*
***
***
***
7-segment
nixie tube
display circuit
PTC: Possive temperature coefficiency
SV1+SV2 for 6HP MRV
SV2+SV4 for 10HP MRV
R
W
B
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