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1 1 . . O O V V E E R R V V I I E E W W
1.1 Installation - General notes
1.1 Installation - General notes
Environmental Requirements
Environmental Requirements
H H a a z z a a r r d d
N N o o t t e e s s
Temperature
Temperature
Min. Operating = 0
Min. Operating = 0° ° C C
Max. Operating = 50° ° C (MMV)
Max. Operating = 50
Max. Operating = 40
Max. Operating = 40° ° C (MDV)
A ltitude
A ltitude
If the Inverter is to be installed at an altitude >1000m,
If the Inverter is to be installed at an altitude >1000m,
derating will be required.(Refer to DA64 Catalogue)
derating will be required.(Refer to DA64 Catalogue)
Shock
Shock
Do not drop the inverter or expose to sudden shock.
Do not drop the inverter or expose to sudden shock.
Vibration
Vibration
Do not install the inverter in an area where it is likely to
Do not install the inverter in an
be exposed to constant vibration.
be exposed to constant vibration.
Electro-
Electro-
Do not install the inverter near sources of electro-
Do not install the inverter near sources of electro-
Magnetic
Magnetic
magnetic radiation.
magnetic radiation.
Radiation
Radiation
A tmospheric
A tmospheric
Do not install the inverter in an environment, which
Do not install the inverter in an environment, which
Pollution
Pollution
contains atmospheric pollutants such as dust,
contains atmospheric pollutants such as dust,
corrosive gases, etc.
corrosive gases, etc.
Water
Water
Take care to site the inverter away from potential
Take care to site the inverter away from potential
water hazards. e.g. Do not install the
water hazards. e.g. Do not install the inverter beneath
pipes that are subject to condensation. Avoid installing
pipes that are subject to
the inverter where excessive humidity and
the inverter where excessive humidity and
condensation may occur.
condensation may occur.
Overheating
Overheating
Ensure that the inverter's air vents are not obstructed,
Ensure that the inverter's air vents are not obstructed,
including the air vent at the front of the unit, which
including the air vent at the front of the unit, which
should be
should be at least 15mm
A dditional ventilation may be required for horizontal
A dditional ventilation
mounting.
mounting.
Make sure that there is an adequate air-flow through
Make sure that there is an adequate air-flow through
the cabinet, as follows:
the cabinet, as follows:
1. 1. Using
Using the
required:
required:
A ir-flow (m3 / hr) = (Dissipated Watts / ∆ ∆ T) x 3.1
A ir-flow (m3 / hr) = (Dissipated Watts /
2. 2. If If necessary,
Note: :
Note
Dissipation (Watts) = 3-5% of inverter rating.
Dissipation (Watts) = 3-5% of inverter rating.
∆ ∆ T = Allowable temperature rise within cabinet in °C.
T = Allowable temperature rise within cabinet in °C.
3.1 = Specific heat of air at sea level.
3.1 = Specific heat of air at sea level.
Note: The Plastic Material of the case can be degraded by oil or grease. Care should be taken to
Note: The Plastic Material of the case can be degraded by oil or grease. Care should be taken to
ensure that
ensure that the mounting surface and fixings
© Siemens plc 1999
© Siemens plc 1999
C (MMV)
C (MDV)
condensation. Avoid installing
at least 15mm from any obstruction.
from any obstruction.
may be required for horizontal
the formula
formula below,
below, calculate
necessary, install
install cabinet
cabinet cooling
the mounting surface and fixings are thoroughly degreased before use.
area where it is likely to
inverter beneath
calculate the
the air-flow
air-flow
T) x 3.1
cooling fan(s).
fan(s).
are thoroughly degreased before use.
7 7
Ideal Installation
Ideal Installation
100 mm
100 mm
160 mm
160 mm
Figure: 1.1
Figure: 1.1
G85139-H1751-U529-D1
G85139-H1751-U529-D1
E E n n g g l l i i s s h h
4/8/99
4/8/99
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