26
DV51 DV51CH
3x
1,
5S
2x
0,
5
L
+24VDC
CAT
GND
L N
1
2
N
EXTERNAL ELECTRICAL CONNECTION FOR
CONTROLLING THE BRINE HEAT EXCHANGER
+24V
+24V voltage (DC)
GND
Digital and analog ground potential
RS_A
Local hardware Modbus A signal
RS_B
Local hardware Modbus B signal
11V1
11 .1 V operating voltage
AN/I
Analog input 0-10VDC
RM/I
24V relay input
RM/O
24V relay output
P
Circulation pump
V
Solenoid valve
Ethernet
connection
on top of the
unit RJ45
Female
Plug connection
24 VDC relay/
contactor for
controlling the pump
and solenoid valve
VENTILATION UNIT INTERNAL ELECTRICAL
CONNECTION
Distribution
board
MLV control
TECHNICAL
SPECIFICA
TIONS