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Electric wiring
DANGER OF BODILY INJURY OR DEATH
TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE MAKING ANY
ELECTRIC CONNECTIONS.GROUND CONNECTIONS MUST BE COMPLETED BEFORE MAKING
LINE VOLTAGE CONNECTIONS.
WARNING
When the total length (L) of the two indoor units' connecting pipe is less than 5m, it is unnecessary
to charge additional refrigerant.
If the connecting pipe (L) exceeds 5m, it shall charge Mg additional refrigerant per meter.
That is: Refrigerant charging amount = (L-5) x M (g)
For the unit with liquid pipe 6.35mm, M=30
For the unit with liquid pipe 9.52mm, M=
Only in COOLING operation can charge the additional refrigerant.
When charging, the refrigerant shall be charged from the charging nozzle of low pressure vavle.
Be carefull when charging refrigerant, do not let the air mix into the system,and must charge
the additional refrigerant in liquid condition.
Charging amount of refrigerant
(1) Selection of size of power supply and interconnecting
Precautions for Electric wiring
Electric wiring work should be conducted only by authorized personnel.
Do not connect more than three wires to the terminal block. Always use round type crimped
terminal lugs with insulated grip on the ends of the wires.
Use copper conductor only.
Select wire sizes and circuit protection from table below. (This table shows 20 m
length wires with less than 2% voltage drop.)
>a__WcU[S^ <[c >a`V[e[a`Wc
50 -
41
DdW^
H`VW]
KZScW
4
Mg[dUZ TbWS\Wb
+<,
>[bUe[d TbWS\Wb
JfWbUebbW_d
ab`dWUd`b
K`gWb
c`ebUW g[bW
c[jW +^^
3
,
41 31 5/1
2 51 37 3/6
Mg[dUZ
TbWS\Wb
@SbdZ ]WS\SYW TbWS\Wb
GWS\
UebbW_d+^<,
41
51
<O58I<D@<<
<O71I<D@<<
<O283<@@<<
<O283<A@L<
441 3/6 4131
2 51 37 7/1 51 41
41
41
<O353<B@<<
2 51 37 5/1 51 41
<O353<B@L<
<O473<C@L<
2 71 51 5/1 71 41
AU362AIEAA
AU282AHEAA
AU36NAIEAA
AU28NAHEAA
(2) Wiring connection
Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by
terminals.
For the detailed wiring connection with the indoor units, see the corresponding indoor
operation and instruction manual.
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