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Installation
Page 16
RES-420
8.6
Wiring diagram (standard)
4
3
START (HEAT)
with 24VDC signal
GND
RES-420
(also with MOD 01)
0V (Internal ground)
Terminal 2
7
START (HEAT)
with contact
R
Impulse
transformer
LINE
8
10
9
11
12
13
15
14
Line filter LF-xx480
IR
UR
+
0V
1
2
Current transformer
PEX-W2/-W3
twisted
Heat-
sealing
band
Ground
for 24VDC signals.
Must be grounded
externally to prevent
electrostatic
charging!
sec.
U2
prim.
U1
5
6
ALARM
OUTPUT
max. 50V/0.2A
Contact closed or
opened by ALARM
(see configuration)
0V
(Internnal ground)
No external
grounding allowed!
0V
(Internnal ground)
No external
grounding allowed!
up to
production data
November 2005