Rittal SK 3201.200 Assembly And Operating Instructions Manual - 10 Electrical Connection
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RITTAL Thermoelectric Cooler assembly and operating instructions
10 Electrical connection
EN
10 Electrical connection
10.1 Connection data
• The mains voltage and frequency must corre-
spond to the values stated on the rating plate.
• An all-range fuse specified on the rating plate must
be connected upstream as line and device pro-
tection.
• No additional temperature control is allowed to be
connected upstream of the climate control unit on
the supply side.
• An isolating device that ensures a contact opening
of at least 3 mm in switched-off state must be
connected upstream of the climate control unit.
• The mains connection must ensure low-noise
potential equalisation.
Fig. 16:
Rating plate
The RITTAL Thermoelectric Cooler is available with
integrated multi-range power pack (100 – 240 V/AC)
and as 24 V/DC variant (without integrated power
pack).
Fig. 17:
SK 3201.200 connection diagram,
integrated power pack
Fig. 18:
SK 3201.300 connection diagram,
without integrated power pack
Legend
A1
Power PCB
A2
Power pack
B1
Temperature sensor, internal temperature
B2
Ambient temperature sensor
B3
Temperature sensor, power pack
H1/H2
Status and function display
M2.1
External fan 1
M2.2
External fan 2
M4
Internal fan
TE
Thermoelectric elements
X1
Terminal strip
X2
USB connection
X3
Interface (master-slave)
Danger!
Warning of a dangerous electrical
voltage.
Danger to life and health in case
of non-observance!
M
M
M
M4
USB
3
2
1
2
1
3
Serial
A1
TE
1 2
Power
PE
+
–
M2.2
1
3
2
M4
3
2
1
X1
1
PE
2
3
M2.2
4
M2.1
1
3
2
M2.1
4
4
L1
N
PE
TE
~ –
A2
PE
Mains
X2
X3
Alarm
NTC_O YELLOW
NTC_I RED
2
B2
2
B1
2
B3
NTC_N WHITE
H1
H2
M4
NTC_O YELLOW
NTC_I RED
USB
3
2
1
2
1
3
Serial
A1
TE
1 2
Power
PE
+
–
M2.2
1
3
2
M4
3
2
1
PE
X1
Mains
1
PE
2
3
X2
X3
2
B2
2
B1
M2.2
4
M2.1
1
3
2
M2.1
M
4
M
M
4
+
–
PE
TE
Alarm
H1
H2