-
-
'14 • SRF-T-163
Model SRC50ZMXA-S
CAUTION- HIGH VOLTAGE
PCB ASSY (MAIN)
High voltage is produced in the control box. Don't touch
electrical parts in the control box for 5 minutes after the
unit is stopped.
◆
Inspection of electronic
expansion valve
See page 80.
◆
Inspection of resistance valve of sensor
Remove the connector and check the resistance valve.
See the section of sensor characteristics on page 70.
◆
Power source and serial signal inspection
L
to
N
: AC 220/230/240V
1
to
2/N
: AC 220/230/240V
2/N
to
3
: Normal if the voltage oscillates between
DC 0 and approx. 20V
◆
Inspection power transistor
Remove the fasten terminal and test
output voltage
◆
Inspection of outdoor fan motor
See page 80.
◆
Check point of outdoor unit
Color
Color symbol
OR
Mark
Brown
BR
Yellow
/
Green
Y
/
G
Black
BK
Blue
BL
White
WH
Red
RD
Orange
Display
Voltage range
◆
Voltage check in PCB
The normal range is as follows.
①
DC280V DC230V
-
DC310V
②
DC
2
20V DC
2
18V
-
DC
2
22V
③
DC
2
13V DC
2
12V
-
DC
2
14V
④
DC
2
15V DC
2
14V
-
DC
2
16V
⑤
DC
22
5V DC
22
4V
-
DC
22
6V
⑥
DC 2.5V DC 2.3V
-
DC
2
2.5V
M
T2
(
BK
)
(
WH
)
(
RD
)
V W
U
M
CNTH
CNEEV
CNFAN
1 2 3 4
6
t
゜
R
(
OR
)
T1
(
YE
)
2
2
2
TH1 TH2 TH3
EEV
FMo
t
゜
t
゜
MS
CM
3
~
(
WH
)
(
OR
)
(
BR
)
(
RD
)
(
BL
)
(
BK
)
(
WH
)
(
WH
)
(
BK
)
(
WH
)
(
WH
)
(
BK
)
(
BK
)
(
BK
)
(
BK
)
(
RD
)
4
Power source
1 Phase
AC220-240V 50Hz
Indoor
unit
Outdoor unit
R
S
①
②
④
⑤
⑥
S-2
C-2
③
)
B
U
S
(
Y
S
S
A
B
C
P
(BK)
(WH)
(Y/G)
(BR)
N
L
250V 20A
FUSE
2
1
N
3
(Y/G)
(Y/G)
20S
TB1
TB2
TERMINAL
BLOCK
BLOCK
TERMINAL
(
W
H)
D1
D3
D2
C
TB3
BLOCK
TERMINAL
(YE)
(RD)
(BL)
(BK)
(Y/G)
(WH)
(BK)
PCB ASSY(DRED)
CNPOWER
CNDRED
CNDRM
(BK)
(
RD
)
S-1
CNMAIN
S
R
R
G1
IN
IN
OUT
S
R
O
O
CN20S
(Y/G)
G3
250V 10A
F10
CNSUB
CNDRM
Summary of Contents for SRF25ZMXA-S
Page 2: ......
Page 3: ... 14 SRF T 163 TECHNICAL MANUAL ...
Page 12: ... 10 14 SRF T 163 3 Remote control Unit mm 60 26 167 a Wireless remote control ...
Page 93: ... 91 14 SRF T 163 WARING CAUTION 3 Super link E board SC ADNA E F ...
Page 94: ... 92 14 SRF T 163 ...
Page 100: ... 98 14 SRF T 163 CRCE0010 12 13 14 3 2 1 4 4 5 10 10 4 7 8 9 6 15 16 11 CONTROL PARTS SET ...
Page 106: ... 104 14 SRF T 163 CRCE0010 12 13 14 3 2 1 4 4 5 10 10 4 7 8 9 6 15 16 11 CONTROL PARTS SET ...
Page 112: ... 110 14 SRF T 163 CRCE0010 12 13 14 3 2 1 4 4 5 10 10 4 7 8 9 6 15 16 11 CONTROL PARTS SET ...
Page 114: ... 112 14 SRF T 163 CRBE0276 6 13 11 12 15 16 3 17 14 2 4 9 8 7 5 1 8 8 10 PANEL FAN ASSY ...
Page 118: ... 116 14 SRF T 163 CRBE0276 6 13 11 12 15 16 3 17 14 2 4 9 8 7 5 1 8 8 10 PANEL FAN ASSY ...
Page 122: ... 120 14 SRF T 163 CRBE0315 9 13 15 16 14 17 7 6 4 1 8 3 11 5 18 10 10 10 2 12 PANEL FAN ASSY ...