INTERCONNECTIONS
The following figure shows the TV 301 intercon-
nections.
P3 - Vent
This is a dedicated 24 Vdc connector to control the
optional vent valve.
P5 – External fan
This is a dedicated 24 Vdc connector to supply the
optional external fan.
J5 - IN-OUT
This connector carries all the input and output sig-
nals to remote control the TV 301 Navigator.
It is a 15-pins D type connector; the available sig-
nals are detailed in the table, the following para-
graphs describe the signal characteristics and use.
PIN N.
1
START/STOP (+)
2
START/STOP (-)
3
INTERLOCK (+)
4
INTERLOCK (-)
5
SPEED SETTING (+)
6
SPEED SETTING (-)
7
SOFT START (+)
8
SOFT START (-)
9
+24 Vdc
10
SPARE
11
PROGRAMMABLE SET POINT
12
SPARE
13
FAULT OUTPUT
14
PROGRAMMABLE ANALOG
SIGNAL (+)
15
•
GROUND
•
PROGRAMMABLE ANALOG
SIGNAL (-)
Signal description
START/STOP: input signal to start or stop the
pump. With the supplied cover connector the
START/STOP (+) signal is connected to the +24
Vdc pin and the START/STOP (-) signal to the
GROUND pin: in this condition the pump automati-
cally starts as soon as the controller recognises
the input supply ("Plug & Pump").
INTERLOCK: input signal to control the pump ro-
tation. With the supplied cover connector the IN-
TERLOCK (+) signal is connected to the +24 Vdc
pin and the INTERLOCK (-)signal to the GROUND
pin.
74/90
TECHNICAL INFORMATION
SIGNAL NAME
OUTPUT
87-900-946-01(G)
INPUT/
IN
IN
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
OUT