GB
3.5
Electrical connection
3.5.1
Electrical circuit diagram - Standard controller (SC)
DANGER
Life-threatening danger due to electric shock
Live units and exposed connection cables can generate an electric shock and cause severe accidents.
Work on electrical connections must be carried out exclusively by trained, qualified electricians.
Ensure that the unit is voltage-free before routing all electrical connections.
2/
Max.2,5 mm
2/
AWG 14
Max.2,5 mm
AWG 14
Power cable
3x380V-420V 50Hz/ 3x440V-480V 60Hz
Item
Designation
Capacitor condenser fan
C11
(external)
F2-F5
Fuse
K20
Contactor compressor
M2
Condenser fan
S1.1
Door open
TK
Door contact
/ signal (3,4)
Temperature
sensor
TS2
(external)
X52
Heater condensate contact
Operating Manual DTT 6401 Standard Controller (SC) 086100036 © Pfannenberg GmbH
S1.2
S1.1
Item
C12
H1
LP1
(external)
M3
S1.2
T1
X40/42
Designation
Capacitor evaporator fan
(internal)
LED / indicator unit
Controller
Evaporator
fan (internal)
Door close
Control circuit transformer
Ground terminal contact
DIP-switch
085 000 447 11189-838b
Item
Designation
F1
High-pressure pressostat
E1
Condensate evaporation
M1
Compressor
S1
Door contact
SK
Fault signal contact (1,2)
Temperature
TS1
(internal)
Mains terminal contact
X50
+ Door contact
+Fault indication
sensor
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