
3-1
Chapter 3 Environment & Installation
3.1 Environment
Installation environment has a direct affect on the correct operation and the life expectancy of the
inverter, Install the inverter in an environment complying with the following conditions:
Protection
Protection
class
IP20,
NEMA/UL Open Type
Suitable environment
Operating
temperature
-10~40
°C
(-10~50
°C
with fan)
If several inverters are installed in the same control panel, ensure
adequate spacing and provide the necessary cooling and ventilation for
successful operation.
Storage
temperature
-20~60
°C
Relative
Humidity
Max 95% (without condensation)
Notice prevention of inverter freezing up.
Shock
1G. (9.8m/s²) for 20Hz and below.
0.6G (5.88m/s²) from 20Hz to 50Hz
Installation site
Install in an environment that will not have an adverse effect on the operation of the unit
and ensure that there is no exposure to areas such as that listed below:-
¾
Direct sunlight, Rain or moisture
¾
Oil mist and salt
¾
Dust, lint fibbers, small metal filings and corrosive liquid and gas
¾
Electromagnetic interference from sources such as welding equipment
¾
Radioactive and flammable materials
¾
Excessive vibration from machines such as stamping, punching machines
¾
Add a vibration-proof pads if necessary
Tightening torque for terminals
Chart 3-1
TM1 TM2
Cable Size
Cable Size
Tightening torque
Tightening torque
Model
AWG
mm²
kgf.cm Ibf.in
Nm
AWG
mm²
kgf.cm Ibf.in
Nm
Frame1
14 12.15
1.37
Frame2
22~10
0.34~6
12.24 10.62
1.2
24~12
0.25~4
4.08 3.54
0.4