External additional heat
ACVM 270 can control an external addition.
Sensor BT19 must be moved to sensor output BT24
between the docking connections XL8 and XL9 (does not
apply to solar power or wood fired docking). See section
Component positions on page 73.
Ext. 1 step
1.
Remove the strap on terminal block X3:2 and X3:3.
See section Component positions on page 73 and
section Electrical circuit diagram on page 66.
2.
Connect the additional heat's phase to terminal block
X3:2 (230 V) and X3:4 (N) (max 0.2 A).
3.
Use the accessory HR 10 when the need for potential
for signal and/or when controlling external charge
pumps.
4.
Set ”Ext. 1 step" in menu 9.2.8.
35NIBE™ SPLIT ACVM 270
For the Installer
Electrical installation