Lenze 8210 HVAC Series - Connection Diagrams

Installation
4-14 821XKlimaBA0399
4.2.3.3 Connection diagrams
62 78 9
K11 K12
K14
3k 3k3k 3k3k
Vcc
GND 2
K1
GND 1
5,2V
Vref
3k3
>100k
82XX
R
≥
1k
20 28 E1 E2 E3 E4 39
PE
K35.0077-3
FIG 4-7 Control connections: Supply with internal control voltage
62 7 8 9
K11 K12 K14
3k
3k3k3k 3k
Vcc
GND 2
GND 1
5,2V
Vref
3k3
>100k
12...30V
82XX
R
≥
1k
+
-
20 28 E1 E2 E3 E4 39
PE
K1
K35.0077-4
FIG 4-8 Control connections: External voltage supply (+12 V ... +30 V)
GND1 Reference for internal voltages
GND2 Reference for external voltages
GND1 and GND2 have a potential isolation inside the unit.
Show/Hide Bookmarks