8 Electrical installation
26
Installation and maintenance instructions flexoTHERM exclusive 0020213395_00
8.6
Controller PCB
1
2
3
4
5
6
7
8
9
24
23
22
11
10
14
15
16
17
18
19
20
21
13
12
1
[X23] EEV connection (electrical expansion valve)
2
[X40] VR40 edge connector (electrical lines)
3
[X51] Edge connector for display connection
4
[X30] eBUS connection/diagnostics interface
5
[X25] Modbus plug for controlling the in-rush current
limiter
6
[X31] (not used)
7
[X24] (not used)
8
[X41] Edge connector for external sensors (outside
temperature sensor, DCF, system sensor, multi-
function input (can be adjusted in the system con-
troller))
9
[X26] Sensor cable harness
10
[X100/S20] Limit thermostat
11
[X100/S21] EVU contact