MITSUBISHI ELECTRIC SRK50Z J-S - Manual (Page 32)

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31
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'10 • SR-T
-091D
A
RW
C
0
0
0
Z
2
2
7
Models SRC20ZJX-S, 25ZJX-S, 35ZJX-S
Color
RD
Mark
Orange OR
Yellow／Green Y／G
Black BK
Yellow Y
White WH
Red
Description Item
Connector
Electric expansion valve（coil） EEV
Fan motor FMo
Reactor L
Terminal block T
Compressor motor CM
Solenoid valve for 4 way valve 20S
Heat exchanger sensor（outdoor unit） TH1
Outdoor air temp.sensor TH2
TH3
Discharge pipe temp.sensor
CN20S
CNTH
CNEEV
CNFAN
20
Model
Power cable, indoor-outdoor connecting wires
The specifications shown in the above table are for units without heaters. For units with heaters, refer
to the installation instructions or the construction instructions of the indoor unit.
Switchgear of Circuit breaker capacity which is calculated from MAX. over current should be chosen
along the regulations in each country.
The cable specifications are based on the assumption that a metal or plastic conduit is used with no
more than three cables contained in a conduit and a voltage drop is 2%. For an installation falling
outside of these conditions, please follow the internal cabling regulations. Adapt it to the regulation
in effect in each country.
25 8 2.0 32 φ 1.6mm x 3 φ 1.6mm
35
3
1 2 [ ]
N
～ 220ｰ240V 50Hz／～220V 60Hz
POWER SOURCE
（ BK）
C-2
G1
（ RD）
（ Y／G）
S.IN （ WH）
R.IN
（ BK）
（ WH）
（ RD）
PWB ASSY
250V 20A
F2
F3 250V 1A
+ +
F4
250V 10A
F1
250V 2A
CIRCUIT
PAM
SWITCHING POWER
CIRCUIT
N
P
W
V
U
TRANSISTOR
POWER
W
V
U
FILTER
NOISE
CN20S CNTH CNEEV
CNFAN
M
M
3～
250V 15A
（ Y／G）
T1 T2
（
OR
）
（
Y）
M
t゜
TH1 TH2 TH3
EEV
FMo
CM
t゜ t゜
t゜
5 or 6 wires
TERMINAL
L
N 1
3
2
BLOCK
T
TO INDOOR UNIT
POWER WIRES
SIGNAL WIRE
20S
L
MAX running current Power cable size
（ mm ） 2 （ A）
Power cable length
（ m）
indoor-outdoor
wire size x number
Earth wire size
（ mm）