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Drainage Piping Work; Electrical Work - Mitsubishi Electric CITY MULTI PUMY-P200YKM Manual De Instalación

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4 Installing the re rigerant piping
Fig 4-
4
Additional re rigerant charge
Additional re rigerant charge
Refrigerant for the extended piping is not included in the outdoor unit when the unit is
shipped from the factory. Therefore, charge each refrigerant piping system with addi-
tional refrigerant at the installation site. In addition, in order to carry out service, enter
the size and length of each liquid pipe and additional refrigerant charge amounts in
the spaces provided on the "Refrigerant amount" plate on the outdoor unit.
Calculation o additional re rigerant charge
tended piping and total capacity of connected indoor units.
and charge with the additional refrigerant.
charge.
(For example, if the calculated charge is 6.01 kg, round up the charge to 6.1 kg.)
Drainage piping wor
Outdoor unit drainage pipe connection
Drain socket
Drain pan
Electrical wor
1 Caution
1 Follow ordinance of your governmental organization for technical standard related
to electrical equipment, wiring regulations and guidance of each electric power
company.
2
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
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.
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
-
PAC-SG61DS-E
PAC-SH97DP-E
Precautions when using the charge al e Fig 4-
Do not tighten the service port too much when installing it, otherwise, the valve core
could be deformed and become loose, causing a gas leak.
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.
Calculation o re rigerant charge
Pipe size
Pipe size
Liquid pipe
Liquid pipe
+
+
ø6.35
ø9.52
(m)
19.0 (g/m)
(m)
50.0 (g/m)
Included re rigerant a ount when shipped ro
Included refrigerant amount
7.3 kg
Outdoor model : P125
The total length of each liquid line is as follows:
ø9.52 : A + a = 30 + 15 = 45 m
ø6.35 : b + c + d + e = 10 + 10 + 20 + 10 = 50 m
The total capacity of connected indoor unit is as follows:
7.1 + 4.5 + 2.8 + 2.2 + 5.6 = 22.2
Additional refrigerant charge
19.0
50.0
+ 45 ×
+ 3.0 = 6.2 kg
50 ×
1000
1000
7
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)
ing to the upper class controller, replace the insertion of the short circuit connector
9 Group is set by operating the remote controller.
0
Pipe size
Total capacity of
Amount for
Liquid pipe
connected indoor
the indoor
units
units
+
ø12.7
(m)
92.0 (g/m)
the actor
At the conditions
below:
2.5 kg
3.0 kg
3.5 kg
-

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