Installation Procedures
Installation Confi guration
Step 2 – Electrical Connections
TERMINALS
FOR RS485
MOTOR CONNECTIONS
U – BLACK
V – RED
W – BLUE
Purple Leads
Jumper
Jumper
Transducer
Connection
Diagram 6
CONTROL TERMINALS
U
V
W
GRD #2 #1 (GREEN)
NO
12
CC
slave pump
11
NC
10
9
motor thermistor
8
7
low water
6
5
external on/off R, 10 kohm, 5 volt DC
4
+5 V ub (red)
3
actual value signal 0.5-4.5 VDC, 50 ohm load resistance (white)
2
shield (black)
1
4
+ 5V
3
GND
RS-485
2
SIO +
1
SIO -
7
MAIN SUPPLY
(INPUT POWER)
1Ø 230 VOLT
— L
(BLACK)
L
2
2
L
— L
(BLACK)
1
1