31
9.4.3
Power unit
On the power unit two control terminal blocks can be found.
HV 2.015/2.022 HV 4.022 / 4.030 / 4.040
HV 4.055 / 4.075 / 4.110
HV 4.150 / 4.185 / 4.220
X7 Terminal for internal fan
X8 +24V
X1 Control terminals – power unit
PTC
PTC or thermal switch
START/STOP (external release)
when using a BASIC Inverter
SL
SOLO RUN
SOLO RUN
START/STOP_PTC
X1
X7
X2
X8