System Control - Panasonic S-200PE2E5 Technical Data & Service Manual

2-8. System Control

System control refers to the link wiring connection for control of simultaneous-operation multi systems,
group control, and main-sub remote controller control.
2-8-1. Basic wiring diagram
Single type
2
Be careful to avoid miswiring when connecting the wires.
(Miswiring will damage the units.)
(for 3-phase Outdoor unit)
(Wiring procedure)
(1) Connect the remote controller to the indoor unit remote controller wiring terminal plate (1, 2).
(Remote controller wiring)
(2) Connect the indoor units (U1, U2) and the outdoor units (U1, U2). Connect the other outdoor units and indoor
units (with different refrigerant systems) in the same way. (Inter-unit control wiring)
Connect the remote controller communication wiring to the indoor units (R1, R2) for each refrigerant system.
(Inter-unit control wiring)
(3) Connect the remote controller communication wiring (2 wires) from the remote controller wiring terminal plate
(1, 2) on the indoor unit (unit where the remote controller is connected) to the remote controller terminal plates
(1, 2) on the other indoor units. (Remote controller communication wiring)
(4) Turn ON both the indoor and outdoor unit power and perform automatic address setting from the remote
controller. (For the automatic address setting procedure, refer to 2-8-3.)
NOTE
* Models with auxiliary heaters cannot be used for communication wiring of the indoor unit power wires.
(Use a pull box to divide the wiring.)
Be sure to use the indoor unit temperature sensor (body sensor) when using this control. (Status at shipment.)
Ground
Leakage breaker
L1 L2
Leakage breaker
Indoor
unit
Ground
System address rotary switch
(Set to "0" at the time of shipment.)
Outdoor unit
L3 N U1U2
Inter-unit control wiring
L
N
U1
U2
R1
R2
WHTBLK
Remote controller wiring
1 2
(Optional)
Wired remote
controller
2-6
Fig. 2-5