Mitsubishi Electric PURY-P72 Service Handbook page 80

[III Outdoor Unit Components]
(2) PURY·P72, P96, P120YHMU·A
CN18V LED3 CN4
(])Input 18VDC U during normal (l)GND
(l)GND
CPU operation "JSerial communication signal
output
o
o
o
o
CNS
QlGND(Conlrol board)
~&tial
COf11l1II1iC8II signal 0UIpU1
CN21
rn Sartal CllIII1IJIIiclIIion signal oulpul
Il,;..;";'=-~
:1>GND(INV beanl)
(<I)
Input 17VDC
","""",.ri
CN22
- (])GNlJ(INVboard)
~1npJl5VDC
<3JSeriaI~signalinpJI
<OJ
GNlJ(INVboonl)
@~17IIDC
THBOX
r-klr
=:x
1n1ema11_1m
lED'
tror
In nmnal
cporaIion
_error
iilt
~
......
-]
I
(OllIIX~ l.
e09:)(]IJ
U~~
'o~[]I]
z
g
0
o
1r=~ls
illlo,---l_ _
=_-1
S
t8:.
:r
,- _.-- -- - - ---n-9;;tlir---
i;Ql CNVDC
~Nw;tage input~I-lf::;jj-~.
@P
oN
~g
OCD
CNINV CD
r-
Inverter outPut
-h'-'
.;;0;;.-......
(J)W
@)V
Q)U
R630,R631
Overcurrent detectton
resistor
DIP IPM(R.ar)
HWE0803A
- 70- GB