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INTERCONNECTIONS
The following figure shows the TV 551/701 inter-
connections.
P3 - Vent
This is a dedicated 24 Vdc connector to control the
optional vent valve.
P4 – External fan
This is a dedicated 24 Vdc connector to supply the
optional external fan.
J1 - IN-OUT
This connector carries all the input and output sig-
nals to remote control the TV 551/701 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 rota-
tion. With the supplied cover connector the IN-
TERLOCK (+) signal is connected to the +24 Vdc
pin and the INTERLOCK (-)signal to the GROUND
pin.
31
TECHNICAL INFORMATION
SIGNAL NAME
OUTPUT
87-900-934-01(B)
INPUT/
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