Outdoor Unit - Panasonic CS-RZ25TKR Service Manual

10.2 Outdoor Unit

10.2.1 CU-RZ25TKR CU-RZ35TKR
(GRN)
GRN AC_GND
D502
D503
D504
D505
TERMINAL
BLK
BOARD
1
YLW
1
CN-OPT
ORG
ZD501
(WHT)
2
4
RED
3
BRW
C
7
DRM G1
70
60
50
40
30
20
10
0
-10
SINGLE PHASE POWER SUPPLY
TO INDOOR UNIT
L N 1 2 3
BLK
WHT
GRN
GRN
SOUND PROOF
BOARD
NOISE FI LTER
CIRCUIT
24V_1
R503
PC501
1
NONE
R507 D506
10k NONE C507
R504
NONE
2k
2
24V_1
ZD502
R505
G1 PC502
1
NONE
D507
R508
NONE C508
R506 10k
NONE
2k
G1 2
ELECTRONIC CONTROLLER
Sensor (Thermistor)
Characteristics
70
1
Outdoo r Air Sen sor
2
Outdoo r Hea t Exc hange r
60
Sen sor
50
40
1
30
2
20
10
0
0 10 20 30 40 50
o
Temperature ( C)
TERMINAL
BOARD
DATA
(RED)
COMMUNICATION
CIRCUIT
FUSE 103
AC-BLK
(20A 250V)
(BLK)
NOISE FILTER
AC-WHT
CIRCUIT
(WHT)
FG1
(GRN)
FG2
(GRN)
24V
1
1 CN-V1
RED
(WHT)
BLK
2
CN-PWR 2
(WHT)
G10_1
ELECTRONIC CONTROLLER (MAIN)
4
3
5V
4
R468 R467
10k 10k
1
1 WHT
WHT
WHT
CN-DEMAND
3
3
3
(WHT)
DC FM
CN-MTR1
Compressor Temp. Sensor
CN-MTR2 (Measure winding resistance / voltage)
(Thermistor) Characteristics
CN-TH1 (Measure resistance)
1-2
3-4
20 40 60 80 100 120 140
CN-TANK (Measure resistance)
o
Temperature ( C)
1-3
CN-HOT
Measure resistance of v-coil CN-HOT
1-3
Measure voltage on PCB
during 4-way valve ON
OFF
CN-PWR
Measure voltage
1-2
CN-DEMAND
Measure voltage
1-3
48
REACTOR
GRY GRY
RAT2 RAT1 5V
(GRY) (GRY)
R11
R12
15.8k
15k
1%
1%
B1
B1
C9
C10
1u
1u
10V
10V
G5
G5
FUSE 2 FUSE 3
20A 20A
CN–TH1
(WHT)
PFC CIRCUIT
5V
RECTIFICATION
C5
CIRCUIT
1u R1
KB 4.99k
10V 1%
FUSE 104
T3.15A L250V G5
15V
D20
e
1A5
RECTIFICATION
CIRCUIT
c
G2
Q1
SWITCHING POWER
U (RED)
SUPPLY CIRCUIT
U
P
V (BLU)
V
N
W (YLW)
W
5V
R600
C401 1k
FUSE 101
0.01u
T3.15A L250V
50V C400
10u
B1
25V
G5
B3
IC25
G5
10
W
14
U
V
16
CN-MTR2
5V
(WHT)
R14
10k
2 1
G2
CN-S
The un it turn to the Rated Freq uenc y Coo ling Operation by sho rt-circuiting CN -S after app lying power betwee n the terminal 1 and 2.
Ope ration of the compressor an d the ou tdoor fan motor can be che cked by applying power after short-circuiti ng CN -S.
1 Feedback output (0 - 5Vdc pulse)
2 5Vdc
3 GND
1 W ~80 ohm / 15Vdc
3 U ~80 ohm / 15Vdc
5 V ~80 ohm / 15Vdc
Outdoor air intake sensor (15KΩ ±5% at 25°C)
Pipe temp sensor (4.96KΩ ±5% at 25°C)
Comp temp sensor (50KΩ ±5% at 25°C)
18Ω at 20°C
1.8Vdc - 15Vdc
-
24Vdc
24Vdc
KY
C88
220u
10V
OUTDOOR AIR TEMP. SENSOR (THERMISTOR)
1
t°
t°
4
PIPING TEM P. SENSOR (THERMISTOR)
G5
1
t°
3
COMPRESSOR TEM P. SENSOR (THERMISTOR)
CN–TANK
(WHT)
CN–HOT
(WHT)
1
ELECTRO-MAGNETIC COIL
(4- WAY VALVE)
3
RED
BLU MS
3~
YLW
COMPRESSOR
1 WHT
PNK
3
BLK
CN-MTR1
(RED)
RED
1
3 YLW MS
3~
BLU
5
FAN MOTOR