Wiring Example And How To Set The Remote Controller; Wiring Example - Panasonic Urban Multi CS-20LMHPP Manuel D'installation Et D'utilisation

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For details, refer to the chapter "Wiring example".
NOTE
I
Allowable length of transmission wiring between
I
indoor and outdoor units, and between the indoor
unit and the remote controller is as follows:
Outdoor unit - indoor unit: max. 1000 m
(total wiring length: 2000 m)
Indoor unit - remote controller: max 500 m
W
IRING EXAMPLE AND HOW TO SET THE
REMOTE CONTROLLER
How to connect wiring
(See figure 11)
I
Power supply wiring
Remove the switch box lid (1) and connect the wires to the
power supply terminal board inside. While doing this, pull the
wires inside through the rubber bush A and clamp the wires
along with other wires using clamp A, untightening the clip of
clamp A by pressing. After the connection, tighten clamp A as
before.
Unit wiring and remote controller wiring
I
Remove the switch box lid (2) and pull the wires inside through
the rubber bush B and connect to the terminal board for unit
transmission wiring.
Precautions
(See figure 13)
1
Terminal board for unit transmission wirings
2
Clamp
3
Transmission wiring between units
4
Remote controller wiring
5
Power supply wiring
6
Field supplied wires
7
Power supply terminal board
Earth terminal (supplied with the unit)
8
1
Observe the notes mentioned below when wiring to the power
supply terminal board.
Do not connect wires of different gauge to the same power supply
terminal. (Looseness in the connection may cause overheating.)
When connecting wires of the same gauge, connect them
according to the figure.
2
Keep total current of crossover wiring between indoor units less
than 12A. Branch the line outside the terminal board of the unit
in accordance with electrical equipment standards, when using
two power wiring of a gauge greater than 2 mm
The branch must be sheathed in order to provide an equal or
greater degree of insulation as power supply wiring itself.
3
Do not connect wires of different gauge to the same grounding
terminal. Looseness in the connection may deteriorate the
protection.
4
Remote controller cords and wires connecting the units should
be located at least 50 mm away from power supply wiring. Not
following this guideline may result in malfunction due to electrical
noise.
5
For the remote controller wiring, refer to the "Installation manual
of the remote controller" supplied with the remote controller.
CS-20~125LMHPP
Urban Multi air conditioner
4PW12339-1A
6
Never connect the power supply wiring to the terminal board for
transmission wiring. This mistake could damage the entire
system.
7
Use only specified wires and tightly connect wires to the
terminals. Be careful that wires do not place external stress on
the terminals. Keep wiring in neat order so that they do not
obstruct other equipment such as popping open the service
cover. Make sure the cover closes tight. Incomplete connections
could result in overheating, and in the worse case, electric shock
or fire.
W
IRING EXAMPLE
I
Fit the power supply wiring of each unit with a switch and fuse as
shown in figure 14.
1
2
3
4
5
6
7
8
9
COMPLETE SYSTEM EXAMPLE (3 systems)
When using 1 remote controller for 1 indoor unit.
(Normal operation.)
For group control or use with 2 remote controllers
.
figure 16)
When including HR box
1
2
3
4
5
6
NOTE
Precautions
2
(Ø1.6).
A single switch can be used to supply power to units on the same
1.
system. However, branch switches and branch circuit breakers must
be selected carefully.
2.
For a group control remote controller, choose the remote
controller that suits the indoor unit which has the most functions.
Do not ground the equipment on gas pipes, water pipes,
3.
lightning rods or crossground with telephones. Improper
grounding could result in electric shock.
Control by 2 Remote Controllers (Controlling 1 indoor
unit by 2 remote controllers)
When using 2 remote controllers, one must be set to "MAIN" and
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the other to "SUB".
Power supply
Main switch
Power supply wiring
Transmission wiring
Switch
Fuse
HR box
Indoor unit
Remote controller
.
(See figure 15)
(See figure 17)
Outdoor unit
Indoor unit
Remote controller (Optional accessories)
Most downstream indoor unit
For use with 2 remote controllers
HR box
It is not necessary to designate indoor unit address
when using group control. The address is automati-
cally set when the power is activated.
(See
.
Installation and operation manual
5

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