Connecting Operating Temperature Monitoring - Pfeiffer Vacuum HEPTA 100 P Betriebsanleitung

Installation
L1
L2
L3
F1 - F3
10
N
Fig. 25:
U
S
S
1
S
2
S
3
K1
F1 – F4 Fuses
Procedure
► After shut-down, switch the tripping unit back on manually via the installed RESET button or via
5.14 Connecting operating temperature monitoring
The thermal circuit breaker monitors the operating temperature of the vacuum pump.
Fig. 26:
1 Connection cable, white
2 Connection cable, brown
104/138
K1
A1
Us
3)
AC 220 ... 240 V
V W
U
M
3
11
T1...T3
Connection example with PTC thermistor tripping unit
Control voltage
OFF button
ON button
RESET button
Contactor
the external RESET S3.
– Switching on mains detected as automatic RESET.
3
Operating temperature thermal circuit breaker
2)
2)
A2 T1 T2 Y1 Y2
2)
S3
T1 – T3 PTC resistor sensor
H1 Tripping indicator
M Motor, 3-phase
For devices with two relay outputs only
1)
2) For MSR type (model) only
Only for order no.: P 4768 052 FQ and P 4768 052 FE
3)
T !
1 2
3 Thermal circuit breaker (T)
1) 1)
1)
24 21 22 14 11
F4
S1
k1
S2
K1
12
H1