LEYBOLD TURBOTRONIKNT 20 Gebrauchsanleitung Seite 22

Connection
Power <750 VA /single-phase
Fig. 4 Switching examples for the motor connection of the forevacuum pump
Fig. 5 TURBOTRONIK NT 20, rear panel;
assigment of the terminal strip (3/5)
Table 3
Relay status
Power off
STOP
Delayed start-up device
Acceleration
NORMAL
Overload
Failure; TURBOVAC rotates
* if selected
22
Power >750 VA /single-phase
Key to Fig. 5
Inputs
1 REMOTE
2 REMOTE
3 "STOP"
4 "STOP"
5 "START"
6 "START"
7 HEATING
8 HEATING
VALVE HEATER
(3/11) (3/9)
open open
open open
Mains power open
applied
Mains power open
applied
Mains power Mains power
applied applied*
Mains power Mains power
applied applied*
open open
Outputs (Relais)
9 GND
"-"
10 + 15 V
"+"
11 NORMAL
"-"
12 NORMAL
"+"
13 FAILURE NO (normally open)
"-"
14 FAILURE C (Common)
"+"
15 FAILURE NC (normally closed)
"-"
16 ACCEL
"+"
17 ACCEL
18 Optional  Trigger for
19 Optional
20 Optional  current
FAN FOREPUMP
(3/8) (3/2)
open open
open open
open closed
Mains power closed
applied
Mains power closed
applied
Mains power closed
applied
open open
three-phase
 link circuit
FAILURE FAILURE
ACCEL 13/14 14/15
Fig. 5 Fig. 5 Fig. 5
open open closed
open open closed
closed open closed
closed open closed
open open closed
open open closed
open closed open
GA 05.208/8 - 01/97
NORMAL
open
open
open
open
closed
closed
open