47
Precautions for use of the inverter
3
/D$G:H>5IE+#3ID#H+$#I3#>U$#5EV$D>$D
3.5 Precautions for use of the inverter
!"5&:;<:=>>&-5+.5-&.-&#&"./"7'&+57.#275&8+(9),0B&2)0&.$,(++5,0&85+.8"5+#7&,.+,).0&?#%.$/&(+&(85+#0.($Y"#$97.$/&?50"(9
?#'&-"(+05$&0"5&8+(9),0&7.*5&(+&9#?#/5&0"5&8+(9),06
A5*(+5&-0#+0.$/&(85+#0.($BC#'-&+5,"5,%&0"5&*(77(C.$/&.05?-6
[F\ T-5&,+.?8.$/&05+?.$#7-&C.0"&.$-)7#0.($&-75545&0(&C.+5&0"5&8(C5+&-)887'&#$9&?(0(+6
[]\ L887.,#0.($&(*&8(C5+&0(&0"5&()08)0&05+?.$#7-&[TB&aB&P\&(*&0"5&.$45+05+&C.77&9#?#/5&0"5&.$45+05+6&Q545+&85+*(+?&-),"&C.+.$/6
[_\ L*05+&C.+.$/B&C.+5&(**,)0-&?)-0&$(0&25&75*0&.$&0"5&.$45+05+6
P.+5&(**,)0-&,#$&,#)-5&#$#+?B&*#.7)+5&(+&?#7*)$,0.($6&L7C#'-&%558&0"5&.$45+05+&,75#$6&P"5$&9+.77.$/&?()$0.$/&"(75-&.$
#$&5$,7(-)+5&50,6B&0#%5&,#+5&$(0&0(M(C&,".8-&#$9&(0"5+&*(+5./$&?#005+&0(&5$05+&0"5&.$45+05+6
[`\ T-5&,#275-&(*&0"5&-.V5&0(&?#%5&#&4(70#/5&9+(8&]j&?#@.?)?6
3*&0"5&C.+.$/&9.-0#$,5&.-&7($/&250C55$&0"5&.$45+05+&#$9&?(0(+B&#&?#.$&,.+,).0&,#275&4(70#/5&9+(8&C.77&,#)-5&0"5&?(0(+&0(+K)5
0(&95,+5#-5&5-85,.#77'�&0"5&()08)0&(*&#&7(C&*+5K)5$,'6
;5*5+&0(&page&17&*(+&0"5&+5,(??5$959&,#275&-.V5-6
[^\ !"5&(45+#77&C.+.$/&75$/0"&-"()79&25&^>>?&?#@.?)?6
W-85,.#77'&*(+&7($/&9.-0#$,5&C.+.$/B&0"5&*#-0<+5-8($-5&,)++5$0&7.?.0&*)$,0.($&?#'&95,+5#-5&(+&0"5&5K).8?5$0&,($$5,059&0(&0"5
-5,($9#+'&-.95&?#'&?#7*)$,0.($&(+&25,(?5&*#)70'&)$95+&0"5&.$*7)5$,5&(*&#&,"#+/.$/&,)++5$0&9)5&0(&0"5&-0+#'&,#8#,.0'&(*&0"5
C.+.$/6&!"5+5*(+5B&$(05&0"5&(45+#77&C.+.$/&75$/0"6&(Refer to page 19.)
[E\ W75,0+(?#/$50.,&C#45&.$05+*5+5$,5
!"5& .$8)0Y()08)0& [?#.$& ,.+,).0\& (*& 0"5& .$45+05+& .$,7)95-& "./"& *+5K)5$,'& ,(?8($5$0-B& C".,"& ?#'& .$05+*5+5& C.0"& 0"5
,(??)$.,#0.($&954.,5-&[-),"&#-&L1&+#9.(-\&)-59&$5#+&0"5&.$45+05+6&3$&0".-&,#-5B&-50&0"5& W1S&*.705+&4#7.9&0(&?.$.?.V5
.$05+*5+5$,56
&&
[=\ N(&$(0&.$-0#77&#&8(C5+&*#,0(+&,(++5,0.($&,#8#,.0(+B&-)+/5&-)88+5--(+&(+&,#8#,.0(+&0'85&*.705+&($&0"5&.$45+05+&()08)0&-.956
!".-&C.77&,#)-5&0"5&.$45+05+&0(&0+.8&(+&0"5&,#8#,.0(+&#$9&-)+/5&-)88+5--(+&0(&25&9#?#/596&3*&#$'&(*&0"5(45&954.,5-&.-
.$-0#7759B&.??59.#057'&+5?(45&.06
[G\ :(+&-(?5&-"(+0&0.?5&#*05+&0"5&8(C5+&.-&-C.0,"59&(**B&#&"./"&4(70#/5&+5?#.$-&.$&0"5&-?((0".$/&,#8#,.0(+6&P"5$&#,,5--.$/&0"5
.$45+05+&*(+&.$-85,0.($B&C#.0&*(+�&75#-0&F>&?.$)05-&#*05+&0"5&8(C5+&-)887'&"#-&255$&-C.0,"59&(**B&#$9&0"5$&?#%5&-)+5&0"#0
0"5&4(70#/5&#,+(--&0"5&?#.$&,.+,).0&05+?.$#7-&dYe<QY<&(*&0"5&.$45+05+&.-&$(0&?(+5&0"#$&_>aNS&)-.$/&#&05-05+B&50,6
[H\ L&-"(+0&,.+,).0&(+&5#+0"&*#)70&($&0"5&.$45+05+&()08)0&-.95&?#'&9#?#/5&0"5&.$45+05+&?(9)75-6
t:)77'&,"5,%&0"5&.$-)7#0.($&+5-.-0#$,5&(*&0"5&,.+,).0&8+.(+&0(&.$45+05+&(85+#0.($&-.$,5&+585#059&-"(+0&,.+,).0-&,#)-59&2'
85+.8"5+#7& ,.+,).0& .$#95K)#,'& (+& #$& 5#+0"& *#)70& ,#)-59& 2'& C.+.$/& .$#95K)#,'& (+&+59),59& ?(0(+& .$-)7#0.($& +5-.-0#$,5
?#'&9#?#/5&0"5&.$45+05+&?(9)75-6
t:)77'&,"5,%&0"5&0(<5#+0"&.$-)7#0.($&#$9&8"#-5&0(&8"#-5&.$-)7#0.($&(*&0"5&.$45+05+&()08)0&-.95&25*(+5&8(C5+<($6
W-85,.#77'&*(+&#$&(79&?(0(+&(+&)-5&.$&"(-0.75�?(-8"5+5B&-5,)+57'&,"5,%&0"5&?(0(+&.$-)7#0.($&+5-.-0#$,5&50,6
[F>\ N(&$(0&)-5&0"5&.$45+05+&.$8)0&-.95&?#/$50.,&,($0#,0(+&0(&-0#+0Y-0(8&0"5&.$45+05+6
L7C#'-&)-5&0"5&-0#+0&-./$#7&[UQYU::&(*&b!:&#$9&b!;&-./$#7-\&0(&-0#+0Y-0(8&0"5&.$45+05+6&
[FF\ N(&$(0ͷ'&#&4(70#/5&"./"5+&0"#$&0"5&85+?.--.275&4(70#/5&0(&0"5&.$45+05+&3YU&-./$#7&,.+,).0-6
L887.,#0.($&(*&#&4(70#/5&"./"5+&0"#$&0"5&85+?.--.275&4(70#/5&0(&0"5&.$45+05+&3YU&-./$#7&,.+,).0-&(+&(88(-.05&8(7#+.0'&?#'
9#?#/5&0"5&3YU&954.,5-6&&W-85,.#77'&,"5,%&0"5&C.+.$/&0(&8+545$0&0"5&-8559&-500.$/&8(05$0.(?505+&*+(?&25.$/&,($$5,059
.$,(++5,07'&0(&-"(+0&05+?.$#7-&F>W<^6
[F]\ d+(4.95& 575,0+.,#7& #$9& ?5,"#$.,#7& .$05+7(,%-& *(+& 1SF& #$9
1S]&C".,"&#+5&)-59&*(+&2'8#--&(85+#0.($6
P"5$& 0"5& C.+.$/& .-& .$,(++5,0& (+& .*& 0"5+5& .-& #$& 575,0+($.,
2'8#--& ,.+,).0& #-& -"(C$& ($& 0"5& +./"0B& 0"5& .$45+05+& C.77& 25
9#?#/59& C"5$& 0"5& 8(C5+& -)887'& .-& ,($$5,059& 0(& 0"5
.$45+05+&TB&aB&P&05+?.$#7-&9)5&0(&#+,-&/5$5+#059�&0"5&0.?5
(*&-C.0,"<(45+&(+&,"#005+.$/&,#)-59&2'&#&-5K)5$,5&5++(+6
(Refer to page
13)
(Refer to page
12)
Power
supply
Inverter
Undesirable current
MC2
MC1
Interlock
U
V
W
R/L1
S/L2
T/L3
IM