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Refrigerant of 3 kg equivalent to 50 m total extended piping length is already included
when the outdoor unit is shipped. Thus, if the total extended piping length is 50 m or
less, there is no need to charge with additional refrigerant.
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refrigerant charge using the procedure shown below.
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with any refrigerant.
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Additional
refrigerant charge
=
Liquid pipe size
Total length of
ø9.52 × 0.06
Â
Liquid pipe size
Total length of
ø6.35 × 0.024
–
Refrigerant
amount for
outdoor unit
(kg)
(m) × 0.06 (kg/m)
(m) × 0.024 (kg/m)
3.0 kg
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Outdoor model : 125
Indoor 1 : 63
A : ø9.52
30 m
a : ø9.52
15 m
2 : 40
b : ø6.35
10 m
3 : 25
c : ø6.35
10 m
4 : 20
d : ø6.35
20 m
The total length of each liquid line is as follows
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Therefore,
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Additional refrigerant charge
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P100-140
Drain socket
PAC-SG61DS-E
Drain pan
PAC-SG64DP-E
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1
Follow ordinance of your governmental organization for technical standard related
to electrical equipment, wiring regulations and guidance of each electric power
company.
2
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from power source wiring. (Do not insert transmission line and power source wire
in the same conduit.)
3
Be sure to provide designated grounding work to outdoor unit.
4
Give some allowance to wiring for electrical part box of indoor and outdoor units,
because the box is sometimes removed at the time of service work.
5
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connected, electrical parts will be burnt out.
6
Use 2-core shield cable for transmission line. If transmission lines of different
systems are wired with the same multiplecore cable, the resultant poor transmit-
ting and receiving will cause erroneous operations.
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7
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for outdoor unit transmission.
(Transmission line to be connected with indoor unit : Terminal block TB3 for
transmission line, Other : Terminal block TB7 for centralized control)
Erroneous connection does not allow the system to operate.
8
In case to connect with the upper class controller or to conduct group operation in
different refrigerant systems, the control line for transmission is required between
the outdoor units each other.
Connect this control line between the terminal blocks for centralized control. (2-
wire line with no polarity)
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ing to the upper class controller, replace the insertion of the short circuit connector
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9
Group is set by operating the remote controller.
At the conditions
below:
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only. The stop valve shape, service port
position, etc., may vary according to the
model.
*
Turn section
A
only.
(Do not further tighten sections
A
and
B
together. )
C
Charge hose
D
Service port
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Do not tighten the service port too much when installing it, otherwise, the valve core
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,
could be deformed and become loose, causing a gas leak.
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After positioning section
B
in the desired direction, turn section
A
only and tighten it.
Do not further tighten sections
A
and
B
together after tightening section
A
.
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