System Control - Panasonic Elite Big PAC-i S-200PE3E5B 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
Be careful to avoid miswiring when connecting the wires.
2
(Miswiring will damage the units.)
(for 3-phase Outdoor unit)
Type E3 (Example of SINGLE type)
System address rotary switch
(Set to "0" at the time of shipment.)
Ground
Leakage breaker
Inter-unit control wiring
Leakage breaker
Remote controller wiring
(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 (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.
(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 automatic address setting from the remote
controller. (For the automatic address setting procedure, see 2-8-3.)
NOTE
* Be sure to use the indoor unit temperature sensor (body sensor) when using this control. (Status at shipment.)
Outdoor unit
L1 L2 L3 N U1U2
L
N
Indoor
U1
unit
U2
R1
R2
Ground
WHT BLK
1 2
(Optional)
Wired remote
controller
Type U2 (Example of TWIN type)
Ground
Outdoor unit
Leakage breaker
L1 L2 L3
Inter-unit control wiring
Leakage breaker
L
N
Indoor
U1
unit
U2
R1
R2
Ground
2-8
System address rotary switch
(Set to "0" at the time of shipment.)
N U1U2
L
N
Indoor
U1
unit
U2
R1
R2
Ground
Remote controller wiring
WHT BLK
1 2
(Optional)
Wired remote
controller
Leakage breaker
Fig. 2-6