Outdoor Units - Mitsubishi Heavy Industries SRR25ZM-S Technical Manual

TO INDOOR UNIT
POWER WIRES
SIGNAL WIRE
TERMINAL
Power source
BLOCK
1Phase AC 220ｰ240V 50Hz
TB1
L
N
Power cable, indoor-outdoor connecting wires
Model MAX running current Power cable size
Power cable length
2
（A） （mm ） （m）
25
8 2.0
35
・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.
2
1
N
3
250V 15A
（BK） （BK）R.IN
1
（WH） NOISE
2
S.IN FILTER
3
F1
（Y／G）
（RD） C-2
G1 250V 3.15A
（Y／G）
G2
（Y／G）
CN20S
2
20S
indoor-outdoor Earth wire size
wire size x number 2
（mm ）
2 1.5
1.5mm x 3
32
L
T1 T2
SWITCHING
PAM
POWER
F4
CIRCUIT
CIRCUIT
250V 10A
CNTH CNEEV
2 2 2
M
EEV
TH2 TH3 TH4
Item Description
CM Compressor motor
CN20S Connector
CNTH
CNEEV
CNFAN
EEV Electric expansion valve（coil）
FMo Fan motor
L Reactor
TB1 Terminal block
TH2 Heat exchanger sensor（outdoor unit）
TH3 Outdoor air temp.sensor
TH4 Discharge pipe temp.sensor
20S Solenoid valve for 4 way valve
PCB ASSY PCB1
POWER
TRANSISTOR
F2
U
（RD）
P
U
250V 20A
V （WH） M
V
3～
W （BK）
W
N
CM
F3 250V 1A
M
CNFAN
FMo
Mark Color
Black
BK
OR Orange
RD Red
WH White
Y Yellow
Y／G Yellow／Green