Cabinet Anti-Condensation Heating (Option L55) - Siemens SINAMICS G150 Operating Instructions Manual

Converter cabinet units 1750 kw 2700 kw
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Electrical installation
4.10 Other connections
4.10.7

Cabinet anti-condensation heating (option L55)

Description
The anti-condensation heating is used at low ambient temperatures and high levels of
humidity to prevent condensation forming.
One 100 W heater is installed for a 400 mm and 600 mm cabinet panel, and two 100 W
heaters for an 800/1000 and 1200 mm cabinet panel. The power supply (110 to 230 V AC)
must be provided externally and protected with a fuse of up to 16 A.
Danger to life due to dangerous electrical voltage from an external auxiliary supply
When the external supply voltage for the cabinet anti-condensation heating is connected,
dangerous voltages are present in the cabinet unit even when the main switch is open.
Death or serious injury can result when live parts are touched.
• Observe the general safety rules when working on the device.
Danger of injury through contact with hot surfaces on the cabinet anti-condensation heating
In operation, the cabinet anti-condensation heating can reach high temperatures, which can
cause burns if touched.
• Allow the cabinet anti-condensation heating to cool down before starting any work.
• Use the appropriate personnel protection equipment, e.g. gloves.
Note
Provide a temperature controlled supply voltage
The supply voltage can be provided using a temperature control to avoid unnecessarily
operating the anti-condensation heating for higher ambient temperatures.
Connecting
Table 4- 30
Terminal
Max. connectable cross-section: 4 mm
128
WARNING
CAUTION
Terminal block X240 – connection for cabinet anti-condensation heating
Designation
1
L1
2
N
3
PE
110 to 230 V AC
Protective conductor
2
Operating Instructions, 07/2016, A5E03347396A
Technical data
Power supply
Converter cabinet units

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