Gree JKFD15CR/Na-M, Service Manual

Page: 108 / 142

GREE Air-ccoled Closed Control Unit Service Manual
105
4.2
Circuit Diagram
(
The circuit diagram is for reference only and the circuit diagram on the unit is
the standard.
)
4.2.1 Indoor Unit JKFD5XXX(I)
1
2 LP
P
P
HASE
G
E
KV1
FY
5
FA
CN17
RT
2
W7
0
W71
W72
W7
5
XT5
2
N
(1)
COM
SEN SO R
S2
VI
N
GN
D NC W6
7
W95
W9
3
W9
1
W89
W8
8
W7
W8
S
W-
FILTER
KM1 KM
2
KM
3
W5
1
PCB2
O
VC-FAN
1
HP
P1
EH
1
KM
1
+1
2V
1 2
SAT11
XT
3
W8
5
COMP1
5
3
6
1
2
4
AC-L
N
A1
W62
L N
L
W6
6
W5
W6
HEAT1
FAN1
W6
3
A2
A2
W6
4
N
A2
W6
5
A1
RT1
W1
POW
ER
OVC-
C
OM
P1
2 1
XT4
RE
M
ARK:
1.
OF
F
ON
ON
ON
4
3
2
1
θ
2
1
PF
W92
1
3
W9
4
P
-WIN
D
L
PP1
1
2 HP
P
2
1
3
4
5 6
KM
2
FUT
FUT
FUT
SAT3
SAT2
5
6
4 3
1
2
SAT1
JS
Q
SA
T1
0
SAT7 SAT4
L1
Li
g
ht
CN
64
CO
M-A
W
N
N
LMT1
W9
W10
W2
7
W28
PCB3
CN14
GN
D +12
WAT ER
HEAT-T
I
E1
W7
4
W7
3
AC
-L
N
OG
W106
W105
W1
04
W103
W102
W
101
W1
00
W99
4
3
2
1
+1
2
FI
R
E
XT6
10
9
8
7
6
5
4
3
2
1
W111
W112
W1
10
W1
09
W
108
W1
07
CN36
COM-
IN
NE
R
COM-
IN
NER
2
+
RS485
-
24V
CN2
7
COM
-M
A
NU
AL
2
PCB1
PC
B
2
XT
1
XT
2
XT
7
XT5
XT
6
KM1
KM
2
KM
3
HE
AT
1＿
C
K
TA3
TA
2
TA1
W50
W8
2 W83
W39
W40
SWP-1
SWP-2
W42
W43
W8
4
S2
SAT FU
T EKV QF
PF
1 2 3 4
7 8 9
10
11
12
13
14
RT
HP LP YV
XT EH KM
COM
P
5
NO.
15
2
1
3
4
6
QF2
5
3
5
1
QF1
2
4
6
2
1
3
4
QF3
W2
EHC1
XT
2
W17
W18
W1
9
W2
1
W2
2
W2
3
W26
W29
CN
18
4
θ θ
RT3
QF5
El
ec
tric
E
lec
tric
do
or
Heating
W
120
W1
3
W14
W6
0
W61
1
3
2
4
T1
N
16
FY
XT
7
N(1)
XT7
2
K1 K2
K3
2 1
3 4
6 5
QF
4
W3
0
W3
6
W-
IN
W-OUT
V-IN
V
-OUT
U-
IN
U-OUT
W80
W81
XT2
N
W1
18
E
HC1
17
72
1
722
W312
W3
13
W3
14
W3
15
W316
W3
17
W318
W319
W3
20
W114
W115
SAT8 SAT5
L2 T2
W31
W37
SAT9
SAT6
L3 T3
W32
W38
XT
3
XT4
QF
5
Q
F4
QF3
QF2
Q
F1
Indoor
3.
CN12
OUTDOOR
RS+ RS-
G
XT
1
G
M1
C2 1
2
FA
N
～
1
KM
3
4
6
2
3
5
2
N
(1)
XT
2
W57
W5
8
C
OMP
～
E
R
C
S
2 1
C1
G
W8
6
L
N
XT
2
W3
W4
W1
5
W16
W20
W24
W25
W52
W54
W5
5
6
000
0700
08
31
6
C
FUT 1
FUT 2
FUT 3
W33
W34
W3
5
W321
X3
W1
19
77
9
780
N
L3
L2
L1
XT9
W41
H
um
idif
ier's
e
lec
tric
bo
x
W1
21
2. Humid
i
fi
er electrical
bo
xes,wiring
b
oa
rd（XT9）,i
s
l
ocated in
th
e
RS+
RS-
XT2
XT8
L
EH2
W87
18 19
L
TA
(
n)
Cur
re
nt
XT8
W
122
W123
L
RD
RD
WH
RD
WH
WH
RD
RD
RD
YEGN
RD
WH
WH
RD
RD
WH
RD
RD
RD
RD
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH WH
WH WH
WH
WH
WH
WH
WH
WH
WH
WH WH
WH WH
WH
WH
W
H
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
RD
RD
RD
RD
RD
RD
RD
RD
RD
RD
RD
RD
RD
RD RD
RD
RD RD
RD
RD
RD
RD
RD
RD
RD
RD
RD
RD
BK
BK
BK
BK
BK
BK
B
K
BK
BU
BK
BU
BU
BU
BU
BU
BK
BK
BK
BK
BU
Y
EGN
Y
EGN
YEGN
YE
GN
YEGN
YEGN
BN
BN BN
BN
BN
BN
BN
YE
TO
UCH
SC
REEN
m
oni
to
r
R
emot
e
HUMI
DITY
AN
D
RETU
RN
AI
R
TE
M
P
SENSOR
UNIT
WA
TERL
OG
GING
SWITC
H
EL
ECTRON
IC
EXPANSIO
N
V
ALVE 1
EX
HAUS
T
TEMP
SEN
SO
R
EV
APO
RATO
R OU
TLE
T
TEM
P
SENSOR
EVAPORATOR
IN
LET TEMP
S
ENSO
R
F
acing the dir
e
ct
ion of touc
h
s
creen as th
e
f
ront of the w
h
ol
e
machine.
The
dia
l re
quir
eme
nts
of
ph
as
e se
qu
enc
e
pr
ote
ct
or:
IN
D
OO
R UNIT
ELEC
TRIC
CO
NT
ROL
BO
AR
D
Fan
Comp
Humid
ifier
Indoor
Fan
Main
board
Heat
ing
Heat
ing
Comp
HU
MID
IF
IE
R
H
umid
if
ie
r
NA
ME.
MOD
EL
CODE NAME
Co
mpr
esso
r
Bre
aker
AC
co
ntac
tor
Te
rmi
nal
boa
rd
Va
lve
FAN
air
pressur
e
F
il
t
e
r ai
r
Compr
essor
h
e
a
ti
n
g b
elt
e
xp
an
sio
n
va
lv
e
Hi
gh
p
re
ss
ur
e
swi
tc
h
Lo
w pr
essure
swi
tc
h
Elect
r
onic
TEM
P li
mit
er
T
EMP
sen
sor
He
at f
use
W
a
te
r
l
oggin
g
s
w
i
tch
C
apac
ita
nce
sw
it
ch
pr
es
su
re
s
wi
tc
h
Ma
gne
tic
rin
g
Wat
erle
ve
l
switch
valve
valve
board
bo
x
humidifier to
th
e lower rig
h
t
of the side
.
tr
an
sf
or
me
r
he
at
in
g
E
l
ec
t
roni
c