System Control - Panasonic S-3650PU3E Technical Data & Service Manual

2-3-1-6. 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.
2-3-1-6-1. Basic wiring diagram
Be careful to avoid miswiring when connecting the wires. (Miswiring will damage the units.)
2
(for 1-phase Outdoor unit)
(Wiring procedure)
(1) Connect the remote controller to the indoor unit remote controller wiring terminal plate (R1, R2).
(Remote controller wiring)
(2) Connect the indoor units (L1, N2, 3) and the outdoor units (1, 2, 3).
Connect the remote controller communication wiring to the indoor units (R1, R2) for each refrigerant system.
(Remote controller wiring)
(3) Connect the remote controller communication wiring (2 wires) from the remote controller wiring terminal plate
(R1, R2) on the indoor unit (unit where the remote controller is connected) to the remote controller terminal plates
(R1, R2) on the other indoor units. (Remote controller communication wiring)
(4) Turn ON both the indoor and outdoor unit power and perform auto address setting from the remote controller.
(For the auto address setting procedure, see section 2-3-1-6-3.)
NOTE
* Be sure to use the indoor unit temperature sensor (body sensor) when using this control. (Status at shipment.)
(Example of SINGLE type)
Ground
Leakage breaker
Inter-unit control wiring
N/2
Indoor
U1
unit
U2
R1
R2
Remote controller wiring
Outdoor unit
L N 1 2 3
L/1
3
WHT BLK
1 2
(Optional)
Wired remote
controller
2-3-1-7