Technical data
72
CTC EcoZenith i250
Installation
EcoZenith connection box
Black connector
14.4.2 Heat pump power supply 400 V 3N~
The heat pump must be supplied with power from CTC EcoZenith i250 using
the provided black connector located in the bottom of the electrical cabinet.
(NB: no supply to CTCEcoZenithi250)
The minimum group fuse size is specified in “Technical data”.
Recommended cable 400 V 3N~ Ölflex 110 5G 2.5 black.
The cable is connected between the products in accordance with the heat
pump’s instruction manual.
14.4.3 Heat pump power supply 230V 1N~
The heat pump must be supplied with power from CTC EcoZenith i250 using
the provided black connector located in the bottom of the electrical cabinet.
(NB: no supply to CTCEcoZenithi250)
The minimum group fuse size is specified in “Technical data”.
Recommended cable 230 V 1N~ Ölflex 110 3G 4 black.
The cable is connected between the products in accordance with the heat
pump’s instruction manual.
14.4.4 Connecting the heat pump connector
• We recommend pulling the cable through the cable clip before you connect
the wires. The cable clip can also be fitted afterwards.
(See figure 1)
a. Outer sleeve scaled to 55 mm
b. Wires scaled to 9 mm
c. Advanced protective earth wires scaled to 7 mm
• Open the terminal block by pushing a screwdriver (blade width 2.5mm) into
the block. Connect the stripped wires in the specified positions. Check that
only the stripped parts are clamped to the terminals, NO INSULATION!
(see figures 2 and 3)
• Fix the cable clip to the connector. The word TOP should be visible on the
terminal and the cable clip
(see figure 4)
Push the cable clip onto the connector. Then tighten the screw to obtain the
desired tension.
see figure 5)
Connector for supplying power to heat pumps!
Figure 3
Figure 5
Figure 1
Figure 2
Figure 4