Kwl Hbx With Water Heater Battery (On Site); External Connection (Enable / Modbus) - Helios KWL HygroBox Montage- Und Betriebsvorschrift

Operating and installation instructions

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)

External enable, if configured!
Externe Freigabe,
wenn konfiguriert!
KWL Hygrobox KWL HBX EH/WW
®
M
Circulating pump WW-HR Umwälzpumpe WW-HR
230 VAC/50Hz
230 VAC/50Hz
35
+24V +24V
+24
GND GND
GND
0-10 VDC 0-10 VDC
0-10 VDC
M
Continuous mixer 24VDC / Mischer stetig
Y=0 - 10VDC
24VDC / Y=0 – 10VDC
Modbus RTU
EN