York YHKMXH009BARX-FX, Service Manual, Page: 154 / 269

YJU4YH025BARXA-X YJU4YH030BARXA-X YJU5YH034BARXA-X
PMV_A
1
2
3
4
5
6
7
8
PTC
SW3
SW4
SW2
SW1
CN12
LP
H
P
CN13
CN9
GND
CN11
C
ON8
CN8
CN5
DISPLA
Y
TO Module
ELECTRONIC CONTROL
UNIT
M
Td Te
Ts Ta
Tc
LED_G
LED_R
CN6
4-W
AY
VAL
VE
DC F
AN
MOT
OR
M
CN14
250V
AC T3.15A
FUSE
Toci
C
ON9
FG
Vsp
Vcc
CN7
CN16
ACN ACL
ON
4
3
2
1
ON
DISPLA
Y
COMM
HEA
TER
Vdc
L
N
Power
CN2
CN23
CN21
SW6
SW5
W
W
B
B
R
W
U
COMPRESSOR
R
V
B
W
PMV_B
M
CN17
PMV_C
M
CN18
PMV_D
M
CN19
PMV_RE
M
CN15
Y/G
To Indoor Units E
2
1
3
CN4
CRANKCASE HEA
TER
Definition of SW6 1
2
3
4
OFF
OFF
OFF
OFF OFF
OFF
OFF
ON
ON
ON
ON
ON
Centralized Control Address=1 Address=2
Address=16
---------------
---- ---- ---- ----
Definition of SW5
SW5-1 SW5-2 SW5-3 SW5-4
SW5-5
SW5-6
SW5-7 SW5-8
OFF
Defrosting Parameter: ON→6° ; OFF→8°(Default)
Restrict of Max Current: ON→Less than 1
1A; OFF→Adjust by machine types
YJU4YH025BARXA-X
Frequency Modify: ON→A
vailable; OFF→Unavailable (Default)
Quiet Operation: ON→A
vailable; OFF→Unavailable (Default)
Definition of SW1
SW1-1
SW1-2
SW1-3
SW1-4
State when out of factory (Normal Operating)
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
ON
OFF
Compulsive Heating Compulsive Cooling
Rated Operating
Y/G
To Indoor Units D
2
1
3
Y/G
To Indoor Units C
2
1
3
Y/G
To Indoor Units B
2
1
3
Y/G
OR: Orange B: Black BL: Blue Y/G:
Yellow/Green R: Red W
: White
Toci: Piping
Temp. Sensor
Tc: Condensing
Temp. Sensor
Ts: Compressor Suction
Temp. Sensor
Ta:
Ambient
Temp. Sensor
Td: Compressor Discharge
Temp. Sensor
Te: Defrosting
Temp. Sensor
Tm: Module
Temp. Sensor
Tc1-a-b-c-d-e:Condensing
Temp. Sensor
for Indoor Units a/b/c/d/e (Gas Pipe) Tc2-a-b-c-d-e:Condensing
Temp. Sensor
for Indoor Units a/b/c/d/e (Liquid Pipe)
*
The dashed part is optional.
R
R
R
R
ON
OFF ON
P2(N)
POWER CIRCUIT BOARD
T25A
250V
AC
FUSE
P1(L)
CN1
RL1
P7
P8
P6
P5
P4
P3
W
B
Y/G
ON
4
3
2
1
CN2
CN3
CN1
CN4
SW1
4
3
2
1
5
1
2
3
4
5
6
7
8
ON
SW7
W
W
B
B
0150512530
CN24
A-TC1
CN25 B-TC1 CN26 C-TC1
CN29
A-TC2
CN30 B-TC2 CN31 C-TC2
CN27 D-TC1
CN32 D-TC2
CN28
E-TC1
CN33 E-TC2
PMV_E
M
CN20
OFF
OFF
ON
ON
ON
ON
YJU4YH030BARXA-X YJU5YH034BARXA-X
Note:The CN28
、
CN33
、
CN20 and terminal block E
are only used on
YJU5YH034BARXA-X.
Y/G
To Indoor Units
A
2
1
3
R
C2
C1
A
B
To Center Controller
OFF
OFF
ON
OFF
Time Defrost V
alid
CN3
MODULE
CN4
Reactor
CN1 CN2
CN5 CN7 CN6
CN9
Tm
CN11
B
W
3
4
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