CTC CLWi - electronic defrosting
Exchange instruction, display card
!
The connection of cables must be performed by an authorized installation technician.
Make sure to disconnect the power supply to the unit (phases and ground connections) be-
fore starting to work.
162 401 57-1 2017-11-28
Display card
Terminal G,
display card
Terminal F,
display card
Connection box
Terminal X1
1.
Start by transferring the cables from the old display card to the new card. Start with
connection G1 and then transfer all cables of terminal G.
When all cables have been transferred, there will be four spare connections at the top of the
terminal (G17-G20).
2.
In the same way, transfer the cables of terminal F from the old display card to the new card.
Start with connection F1 and then transfer the other cables. Connection F9 will then be empty.
3.
Disconnect the defrosting device by removing all cables (1-4) from terminal X1 connections
15-18. Also disconnect the ground cable.
4.
Remove cable 41 from connection 17 (and not connection 10) on terminal X1 and attach it to
connection F9 on the display card.
5.
Remove cable 42 from terminal X1 connections 12 and 18.
6.
Disconnect cable 40 from terminal X1 connection 15 and attach it to connection 12.
7.
Connect the defrosting sensors to the display card terminal G17-G18 (sensor 1) and G19-G20
(sensor 2) and then in the evaporator. Use the clips that come with the delivery to attach the
sensors in the evaporator. Position the sensors, depthwise, in the middle of the evaporator.
Attach the sensors 250 mm from the right hand side (seen from the front) and 250 mm from
the bottom edge and the upper edge respectively.
