Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH
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3.5
Electrical connection
3.5.1
Multi-Controller (MC) electrical circuit diagram
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.
Item
Designation
Item
Designation
Item
Designation
C1
Starting capacitor
F1
High-pressure pressostat
F4-F5
Fuse
LP1
Controller
LP2
Display control unit (MC)
M1
Compressor
M2
Condenser fan
(external)
M3
Evaporator
fan (internal)
MM1
Multimaster/ input
MM2
Multimaster/ output
S1
Door contact
S1.1
Door open
S1.2
Door close
SK
Fault signal contact (1,2)
TK
Door contact
/ signal (4,5)
T1
Transformer
TS1
Temperature
sensor
(internal)
TS2
Temperature
sensor
(external)
X28
Service interface (TTL)
X40
Ground terminal contact
X50
Mains terminal contact
X51
Multimaster terminal
contact
X54
Door terminal
cFault indication
Optional
Fault
Max.2,5mm
2
AWG 14
Power cable
2x400V-460V 50 Hz
2x400V-460V 60 Hz
S1.1
S1.2
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