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Instructions for compliance with U.S. and Canadian
Electrical Codes
Appendix 3 Instructions for compliance with U.S. and
Canadian Electrical Codes
(
Standard to comply with :UL 508 C)
1. General Precaution
The bus capacitor discharge time is 10 minutes. Before starting wiring or inspection,
switch power off, wait for more than 10 minutes, and check for residual voltage
between terminal P (+) and N (-) with a meter etc., to avoid hazard of electrical
shock.
2. Environment
Before installation, check that the environment meets following specifications.
3. Installation
The below types of inverter have been approved as products for use in enclosure
and approval tests were conducted under the following conditions.
Design the enclosure so that the ambient temperature, humidity and ambience of
the inverter will satisfy the above specifications.
Branch circuit protection
For installation in United States, branch circuit protection must be provided, in
accordance with the National Electrical Code and any applicable local codes.
For installation in Canada, branch circuit protection must be provided in accordance
with the Canada Electrical Code and any applicable provincial codes.
4. Short circuit ratings
Suitable For Use in A Circuit Capable of Delivering Not More Than 5kA rms
Symmetrical Amperes.
Ambient
temperature
-10°C to +50°C
(non-freezing)
Ambient humidity 90%RH or less (non-condensing)
Storage
temperature
(Note 2)
-20°C to +65°C
Ambience Indoors (No Corrosive and flammable gases, oil mist, dust and dirt.)
Altitude vibration
Below 1000m, 5.9m/s
2
or less
Measurement position
5cm5cm
Measurement
position
5cm
Inverter