Electrical installation 8
0020213395_00 flexoTHERM exclusive Installation and maintenance instructions
25
12
[X20A] Connection for controller PCB communica-
tion line
14
[X201] (not used)
15
[X200] Optional temperature sensors for groundwa-
ter module
16
[X203] Optional flow temperature sensor for heating
circuit with passive cooling module
17
[X202] (not used)
18
[X90] (not used)
19
[X140] Connection for 3-way diverter valve for pass-
ive cooling module
20
[X142] 3-way mixer valve for passive cooling module
21
[X104] Internal auxiliary electric heating connection
22
[X131] Optional external brine pressure switch con-
nection
23
[X750] Safety cut-out for internal auxiliary electric
heating
24
LED safety switch for auxiliary electric heating
25
[X141] Signal output for active cooling mode