1.
2.
USER
1.
2.
GENERAL
1.
2.
SPECIALIS
T PERSONNEL
EN
EN
KWL
®
Hygrobox KWL HBX EH/WW
Operating and installation instructions
35
13.2. KWL HBX with water heater battery (on site)
The design variants KWL HBX 250 WW L and KWL HBX 250 WW R as well as KWL HBX 500 WW L and KWL HBX 500 WW R are
provided with water heater batteries. The circulating pump and the mixing valve must be connected on site in compliance with the
electrical connection diagram.
13.3. External connection (enable / Modbus)
Umwälzpumpe WW-HR
230 VAC/50Hz
M
Mischer stetig
24VDC / Y=0 – 10VDC
M
+24V
GND
0-10 VDC
+24V
GND
0-10 VDC
Circulating pump WW-HR
230 VAC/50Hz
Continuous mixer 24VDC /
Y=0 - 10VDC
+24
GND
0-10 VDC
Mod
bus B
–
Modbus A +
GND
Modbus RTU
Externe Freigabe,
wenn konfiguriert!
External enable, if configured!