Technical data

69
CTC EcoZenith i250
Installation
4. The black wires should have a designation stating the cable number and
connection position. For example, 46 K2:1, where the 1 stands for screw
joint position 1.
Begin by loosening the screw joint at position 1 and freeing the brown
wire. Mount the brown and respective black wires in the same screw
joint.
Repeat for screw joints on positions 3 and 5.
Tighten screw joints 1 to 5, inclusive.
Remount the switch on the DIN rail and lock using the yellow catch.
Then check that the switch is firmly in position on the DIN rail.
5. Mount the black wires in the free spaces on the electric heater.
NB: Only for angled flat pins with black end cable sleeves.