Panasonic S-25PY3E - Page 58

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9-6-3. Basic connection 3 : Example of link wiring (when using integrated control system)
●
Turn on the power of each system, specify a different system address for each system
and make auto address setting from each remote controller. (See Section 9-7.)
3 - 1 3 - 2 3 - 3 3 - 41 - 1 1 - 2 2 - 1 2 - 2 2 - 3
* It is possible to connect maximum 8 indoor units with one remote controller.
Refrigerant system 1 Refrigerant system 2 Refrigerant system 3
Outdoor unit
Remote controller Remote controller Remote controller
Remote control
wiring
Remote control
wiring for group
control
Remote control wiring
for group control
Remote control wiring
for group control
Remote control wiring
Remote control wiring
Connection cable between
outdoor and indoor unit
Connection cable between
outdoor and indoor unit
Connection cable
between outdoor
and indoor unit
Inter-unit control wiringInter-unit control wiring
Inter-unit control
wiring
Integrated control system
Indoor unit
Twin Double-twinTriple
Unit No.1 Unit No.2 Unit No.3
9-6-4. Basic connection 4 : Group control with different refrigerant unit
●
* Remote control inter-unit control wiring is necessary in all indoor units.
Make auto address setting following the procedure “9-6-2. Basic connection 2”.
1 - 1 1 - 2 2 - 1 2 - 2 2 - 3 2 - 4
3-LINE CONNECTION system 1 2-LINE CONNECTION system 2
Outdoor unit
Inter-unit control wiring
Remote controller
(sub)
Select the settings for the
system address by the
remote controller. (See
Section 9-7.)
Connection cable between
outdoor and indoor unit
Select the settings for the
system address by the remote
controller. (See Section 9-7.)
Remote controller
(main)
Remote control wiring for
group control
Remote control wiring for
group control
Remote control
wiring
Remote control
wiring
Indoor unit
Set the system address to 1. Set the system address to 2.
Twin
Double-twin
Unit No.1
Unit No.2
* 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 2-line connection system, auto address setting from the outdoor unit can be also made by specifying address
with the rotary switch and short-circuiting the auto address pin. (See Section 9-8.)
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 58 2021/9/9 11:26:59