54
※ □ = terminal number, ○ = wire number.
MC
M3
M2
M1
WTS
K1〜4
SK
PRS
・Open circuit voltage (Voc) : DC 11 〜 18 V
・Short circuit current (Isc) : 10 〜 17 mA
・Input resistance : 1kΩ
・Maximum cable length : 20m
・No-voltage contacts input (alternate switch)
2.Remote operation input specifications
(for reference only) DC 5V, 10mA
・Minimum operation current
・AC250V / DC30V, 3A (resistance load)
・Relay output A contacts (normally OFF)
1. Warning signal output specifications
CN1〜8
Symbol
SymbolDescription
Description
A1/a
SK
A2/b
L1
N1
3
9
7
1
1
1
K1
K2
CN1
CN2
CN4
M3
4
5
13
12
11
10
10
11
12
13
14
15
15
14
16
K3
K4
7
5
3
1
1
5
4
2
CN5
CN6
3
E01
1
E02
2
1
CN7
1
2
WTS
WTS
1
2
STS
CN8
STS
PRS
P
C3
2
1
3
5
4
6
1
3
C
R
LNE
U1
U2
C1
C2
V1
E
AC100V 50/60Hz
M1 M2
S
S
MP
N
L
F1(1A)
F2(1A)
MC
F1,2
STS
C1〜3
MC
Controler
circuit
Control
Wiringbyuser
terminal block
Remote control
CN3
(Closed when cooler is running.)
Operation Signal
(Closed to indicate ALARM condition.)
Alarm Signal
Red
Blue
Yellow
Electromagnetic switch for M1, M2
Motor (Circuretion pump)
Motor (Fan motor)
Motor (Compressor motor)
Motor protector for M1
Fuse Water temperature sensor
Relay
Connector
High pressure switch
Running capacitor
Spark killer
M1 intake temperature sensor
MP
Wiring Diagram
RKS250F1-S