Panasonic CZ-KPY3A series Service Manual

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System Control
System control refers to the link wiring connection
for control of simultaneous-operation multi
systems, group control,
and mainsub remote controller control.
Single type and simultaneous-operation multi
system
Basic wiring diagram 1
Simultaneous-operation multi system
Up to 2 (Twin) indoor units can be connected
to 1 outdoor unit for operation.
(However, coordinate the outdoor unit capacity
and the total capacity of the indoor units.)
(It is not possible to connect individual remote
controllers for independent operation.)
Group control (when a central control device is not used)
Basic wiring diagram 2
Simultaneous-operation multi system
Up to 2 (Twin) indoor units can be connected to 1 outdoor unit for operation.
(However, coordinate the outdoor unit capacity and the total capacity of the indoor units.)
(It is not possible to connect individual remote controllers for independent operation.)
A maximum of 8 indoor units can be connected to 1 remote controller.
When 2 indoor units are connected to each outdoor unit in the refrigerant system, set the system address
(refrigerant tubing system address) before turning on the remote power switch.
(Refer to section “Setting the outdoor unit system addresses”.)
(Set using the system address rotary switch on the outdoor unit control PCB.)
Be careful to avoid miswiring when connecting
the wires. (Miswiring will damage the units.)
1
2
12
1
2
U2
U1
L
N
N
U1
U2
1
2
L
L
N
WHT BLK
Inter-unit control wiring
Outdoor unit
Ground
Ground
Ground
Leakage breaker
Leakage breaker
Indoor
unit
Indoor
unit
Wired remote
controller
Remote control wiring
System address rotary switch
(Set to “0” at the time of shipment.)
For a simultaneous-operation
multi system, a maximum of 2
indoor units can be connected
to 1 outdoor unit.
Remote control communication
wiring for group control
1
2
1
2
1
2
U2
U1
1
2
U2
U1
1
2
U2
U1
12
L
N
L
N
L
N
T
N
NL
L
1
2
U2
U1
L
N
WHT
BLK
Ground
Leakage breaker
Leakage breaker
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Inter-unit control wiring
Indoor power crossover
wiring – up to 16 units
(no-heater units only)
Remote control communication
wiring for group control
Remote control wiring
Leakage breaker
Outdoor unit
Outdoor unit
Ground
Ground
(Optional)
Ground
Ground Ground
System address rotary switch
(Change the setting.)
System address rotary switch
(Change the setting.)
Leakage breaker
Wired remote controller
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Panasonic CZ-KPY3A series Specifications

General

Brand	Panasonic
Model	CZ-KPY3A series
Category	Air Conditioner
Language	English