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Siemens Building Technologies
SED2 variable speed drives
CM1U5192en
HVAC Products
Mechanical installation
01.2002
Do not install the VSD in an environment containing atmospheric pollutants such as
dust, corrosive gases, etc. Devices subject to protection standard IP20 need additional
protection from dust, atmospheric pollutants, and water.
Do not install the VSD in a location where it might be exposed to repeated shock or
vibration.
3.3 Mounting
The device must be grounded.
♦
Extremely dangerous conditions can arise if you do not correctly ground the
variable speed drive.
♦
To ensure safe operation of the equipment, authorized persons must install and
commission it in full compliance with the notes and warnings set out in these
operating instructions.
♦
Take particular note of general and regional installation and safety regulations
regarding work on sites with dangerous voltages (e.g. EN 50178), and of the
relevant regulations for the correct use of tools and personal protective equipment.
Dangerous voltages may occur at the following terminals even when the variable speed
drive is not running:
-
Power supply terminals L1, L2, L3.
-
Motor connection terminals U, V, W, DC-, DC+/B+, DC/R+, B-.
-
Link terminals DC-, DC+/B+, DC/R+, B-.
Do not open the device for five minutes after switching off the supply voltage.
3.3.1
Dimensions of SED2 drives with IP20/NEMA 0 rating
3.3.1.1
Dimensions of SED2 frame sizes A to C
Dimensions
Frame size
A
A
1
B
C
C
1
A
173
200
73
149
192.5
B
202
213
149
172
222.5
C
245
261
185
195
250
A
1
B
C
C
1
515
2J0
1
A
Frame size A
A
1
C
1
519
2J0
2
B
C
A
Frame sizes B and C
Atmospheric pollution
Shock
Danger
Danger
