Mitsubishi Electric City Multi PUMY-P-NHMU Serie Manual De Instalación página 8

(2) 1
B
G
D
H
E
already included when the outdoor unit is shipped. Thus, if the total extended piping
additional refrigerant charge using the procedure shown below.
with any refrigerant.
Additional Liquid pipe size
refrigerant charge Total length of
=
kg (m) ×
×
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 [2
noise 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.
2
I
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
Liquid pipe size Refrigerant
Total length of amount for outdoor
unit
+ –
(m) × 3.0 kg
×
PAC-SG61DS-E
PAC-SG64DP-E
(2) Liquid side (Fig. 4-7)
1 Remove the cap and turn the valve rod counterclockwise as far as it will go with
stopper.
10 revolutions)
2 Make sure that the stop valve is open completely, push in the handle and rotate
the cap back to its original position.
A Valve
B
C Handle
D Cap
E Local pipe side
Refrigerant pipes are protectively wrapped
before or after connecting the pipes. Cut out the knockout in the pipe cover following
the groove and wrap the pipes.
Pipe inlet gap
main.
(If the gaps are not closed, noise may be emitted or water and dust will enter the
unit and breakdown may result.)
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.
(Please see the lower half of Fig. 4-1.)
Outdoor model : P48
Indoor
The total length of each liquid line is as follows
Therefore,
Additional
refrigerant charge = 45 m × 0.06 kg + 40 m × 0.024 kg – 3.0 kg = 0.7 kg (rounded up)
7
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)
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.
F Open position side
G Service port
H Wrench hole
I
J Operation section
At the
conditions
below:
-