Panasonic S-50PY3E - Page 55

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9-5-3. Basic connection 3 : Example of link wiring (when using integrated control system)
●
Before turning on the power (earth leakage circuit breaker), set the system address of
each outdoor unit with the rotary switch.
●
Turn on the power supply (earth leakage circuit breaker) of each system, make each
system auto address setting by using the remote controller or short-circuiting the auto
address pin of outdoor unit. (See Sections 9-7, 9-8).
1 - 1 1 - 2 2 - 1 2 - 2 2 - 3 3 - 1 3 - 2 3 - 3 3 - 4
3
2
1
Refrigerant system 1 Refrigerant system 2 Refrigerant system 3
System address
rotary switch
Remote control wiring
for group control
Remote control wiring
for group control
Remote control
wiring for group
control
Twin Triple Double-twin
Outdoor unit
Indoor unit
Remote control
wiring
Remote controller Remote controller Remote controller
Remote control wiring Remote control wiring
Set to 1
Unit No.1 Unit No.2 Unit No.3
Set to 2 Set to 3
Integrated control system
Inter-unit control wiring
Inter-unit control wiring
Inter-unit control
wiring
* It is possible to connect maximum 8 indoor units with one remote controller.
9-5-4. Basic connection 4 : Group control with 3-LINE CONNECTION unit
●
* Remote control wiring is necessary in all indoor units.
Make auto address setting following the procedure “9-5-2. Basic connection 2”.
1 - 1 1 - 2 2 - 1 2 - 2 2 - 3 2 - 4
2-LINE CONNECTION system 1 3-LINE CONNECTION system 2
Set the system address to 1. Set the system address to 2.
Inter-unit control wiring
Connection cable between
outdoor and indoor unit
Outdoor unit
Unit No.1 Unit No.2
Remote control wiring
for group control
Remote control wiring for
group control
Twin
Double-twin
Indoor unit
Remote control
wiring
Remote controller
(main)
Remote controller
(sub)
Remote control
wiring
Select the settings for the
system address by the
remote controller. (See
Section 9-7.)
Select the settings for the
system address by the remote
controller. (See Section 9-7.)
* If two (2) remote controllers are used, one (1) remote controller is set to “main” and the other is set to “sub”. (See Section 9-11.)
* In the case of 3-line connection system, auto address setting cannot be made by short-circuiting the outdoor auto address
pin.
1 - 1 1 - 2 2 - 1 2 - 2 2 - 3 3 - 1 3 - 2 3 - 3 3 - 4
3
2
1
01_330918_EU_Eng.indb 55 2021/9/9 11:26:58