Installation
RES-445
Page 17
8.7
Wiring diagram with booster
connection
4
3
5
6
20
21
22
26
24
25
23
15
14
1
16
17
2
18
+
0V
K1
2x 47nF/560R
RES-445
(also with MOD 01)
AUTOCAL
with 24VDC signal
RESET
with 24VDC signal
+
+
TEMP. IN
0 - 10VDC
TEMP. OUT
0 - 10VDC
8
9
12
13
10
11
19
7
START (HEAT)
with contact
PREHEAT (CH1)
with contact
START (HEAT)
with 24VDC signal
PREHEAT (CH1)
with 24VDC signal
ALARM
OUTPUT
max. 50V/0.2A
RELAY K1
100VDC/1.5A
240VAC/1.5A
GND
GND
Contact closed or
opened by ALARM
(see configuration)
Ground
for 24VDC signals.
Must be grounded
externally to prevent
electrostatic
charging!
0V
(Intern. ground)
No external
grounding
allowed!
R
Impulse
transformer
IR
UR
Current transformer
PEX-W2
twisted
Heat-
sealing
band
LINE
Booster
NC
NC
2
4
IN
OUT
1
3
Line filter LF-xx480
0V (Internal ground)
Terminal 2
sec.
U2
prim.
U1