Mitsubishi Electric CITY MULTI PUMY-P112VKM2 Manuel D'installation page 12

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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.
tended piping and total capacity of connected indoor units.
right, 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.)
Outdoor unit drainage pipe connection
When drain piping is necessary, use the drain socket or the drain pan (option).
Drain socket
Drain pan
1 Follow ordinance of your governmental organization for technical standard related
to electrical equipment, wiring regulations and guidance of each electric power
company.
2 Wiring for control (hereinafter referred to as transmission line) shall be (5 cm or
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
systems are wired with the same multiplecore cable, the resultant poor transmit-
ting and receiving will cause erroneous operations.
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.
12
-
P112-140
PAC-SG61DS-E
PAC-SH97DP-E
Pipe size
Pipe size
Liquid pipe
Liquid pipe
ø6.35
ø9.52
(m)
(m)
Included refrigerant amount
Outdoor model : P125
Indoor 1 : P63 (7.1 kW) A : ø9.52 30 m a : ø9.52 15 m
2 : P40 (4.5 kW)
4 : P20 (2.2 kW)
The total length of each liquid line is as follows:
The total capacity of connected indoor unit is as follows:
Additional refrigerant charge
19.0
50.0
40 ×
1000
1000
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)
When conducting group operation in different refrigerant systems without connect-
ing to the upper class controller, replace the insertion of the short circuit connector
9 Group is set by operating the remote controller.
0
1 When connecting a branch box, be sure to turn on the indoor units and the branch
box before turning on the outdoor unit.
Total capacity of
Amount for the
connected indoor units
indoor units
1.5 kg
2.5 kg
16.1 kW ~
3.0 kg
b : ø6.35 10 m
At the conditions
below:
d : ø6.35 20 m
(rounded up)

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