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．Appendix
■ UL standard and CSA standard
The VF-S15 standard type-form listed on table 5 is conformed to UL standard and CSA standard.
That UL/CSA conformity of the specific type-form depends on the individual specification.
(The specific type-form is the type-form except the standard type-form. For example, it has additional suffix Y-Axx (xx is the
specific code).)
The VF-S15 models that are conformed to the UL/CSA Standard have the UL/CSA mark on the nameplate label.
This appendix shows the detail information for usage of VF-S15 UL/CSA compliance
1. General
The following steps must be performed before wiring and servicing.
(1) Turn off all input power.
(2) Wait at least fifteen minutes and check to make sure that the charge lamp is no longer lit.
(3) Use a tester that can measure DC voltage (800VDC or more), and check to make sure that the voltage to the DC
main circuits (across PA/+ and PC/-) is 45V or less.
If these steps are not properly performed, the wiring will cause electric shock.
2. Compliance with Installation
A UL certificate was granted on the assumption that the inverter would be installed in an enclosure. Therefore, install the
inverter in an enclosure and if necessary, take measures to maintain the inverter ambient temperature (temperature in the
enclosure) within the specified temperature range.
Standard installation
3 cm or more
3 cm or more
5 cm or more
5 cm or more
VF-S15
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