D
GB
F
E
9
96284-09.2016-DGbF
4
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Electrical connection
FC1
Safety switch main circuit
FC2 Fuse safety chain
QA1 Main switch
QA2 Compressor contactor
QA3 Capacity regulator
QA4 Fan speed controller
MA1 Condenser fan
EC1 compressor motor
EB1 Oil sump heater
INT69 G Electronic trigger unit INT69 G
BT1
PTC Motor
BT2 Heat protection thermostat (PTC sensor)
BT3 Enabling switch (thermostat/pressostat)
BP1 Safety chain (high/low pressure controller)
BP2 Oil pressure safety switch
X1 Terminal strip switch cabinet
X3 Terminal strip terminal box
Legend circuit diagram for Plusbox with accessories
DANGER
Risk of electric shock!
High voltage
!
Only carry out work when the electrical system is discon
-
nected from the power supply!
4 Electrical connection
to 4.2 Circuit diagram for Plusbox with frequency converter (see Fig. 10)
ATTENTION
For frequency-converter operation:
- Max. permissible ambient temperature -10°C to 40°C.
- Permissible storage temperature -25°C to 65°C.
- For further technical data, see Danfoss technical
documentation supplied.
QA2 Compressor relais
QA3 Signal
compressor operation
BP3 Pressure transmitter 4-20 mA
KF1
Frequency converter
Difference, legend circuit diagram for Plusbox with frequency converter