User Manual
EM303B General Purpose Inverter
17
2.3
Considerations of Installation Site
2.3.1
Installation Site
Considerations for installation site:
Good ventilation indoor
Ambient temperature: -10
C
~
+40
C
No high temperature and high moisture, humidity:
<
90%RH, no water drops or any
other condensation
Never install on flammable materials
No direct sunlight
No flammable, corrosive gas or liquid
No dust, floating fiber or metal particles
Firm and steady installation base
No electromagnetic interference, and keep away from interference source.
2.3.2
Ambient Temperature
Install inverter in a place with good ventilation to improve the reliability of inverter operation.
When inverter is mounted inside a cabinet, cooling fan or air conditioner is a must. Keep the
ambient temperature below +40
C.
2.3.3
Precautions
Please take protective measures during installation to prevent foreign matters like metal
particles or dust from entering the inverter when drilling. After installation, please take off
the protective devices.
2.4
Direction and Space of Installation
Cooling fan(s) installed inside EM303B is for forced air cooling. For good cooling
circulation, please mount inverter vertically, and leave sufficient space between the inverter
and wall or other objects. See Figure 2-2.
Vent
Vent
>
120mm
>
120mm
>
150mm
>
150mm
R
-
EM303B
4.0kW
Figure 2-2 Direction and Installation of Inverter