Panasonic U-8MF3R7, Installation Instructions Manual

Page: 55 / 76

55
1-1 1-2 1-13 1-3
2-1 2-2 2-9
(SW3)
3
(SW3) (SW4)
1 3 2
ON
ON
OFF
9
1 2
(SW2)
ON
ON
OFF
(SW1)
2
1 2
(SW2)
ON
ON
OFF
(SW1)
(SW4)
1 3 2
ON
ON
OFF
(SW5)
1 2 3
ON
3 2 1
ON
(SW6)
ON
OFF
ON
OFF
(SW5)
1 2 3
ON
ON
OFF
1 2 3
(SW5)
ON
3 2 1
(SW5)
ON
ON
OFF
1 2 3
(SW5)
ON
ON
OFF
1 2 3
(SW6)
ON
ON
OFF
ON
OFF
Setting of terminal pin (CN67)
Refrigerant circuit No. 1
Unit No. 1 (Main) : short-circuit (at shipment)
Unit No. 2 (Sub) : short-circuit (at shipment)
Unit No. 3 (Sub) : short-circuit (at shipment)
Refrigerant circuit No. 2 to Z-1
Unit No. 1 (Main) : open-circuit
Unit No. 2 (Sub) : short-circuit (at shipment)
Refrigerant circuit No. Z
Unit No. 1 (Main) : short-circuit (at shipment)
Unit No. 2 (Sub) : short-circuit (at shipment)
Example: Basic Wiring Diagram (2)
• Case of link wiring
No. 1 refrigerant system
No. 2 refrigerant system
No. Z refrigerant system
* See section “ATTENTION!”.
Unit 1 setting (outdoor main unit)
System address
(System 1 setting)
Number of indoor units
(13 units setting)
Unit 2 setting
Unit 3 setting
Unit 3
(Sub)
Unit 2
(Sub)
Unit 1
(Main)
Number
of outdoor
units (3 units
setting)
Unit
number
setting
(unit 1)
Unit
number
setting
(unit 2)
Unit
number
setting
(unit 3)
Set the terminating
resistance pin to
SHORT side. (CN67)
Inter-outdoor unit
control wiring
Inter-outdoor unit
control wiring
Remote control
communication wiring
Outdoor unit
system 1
Inter-unit
control wiring
Inter-unit
control wiring
Remote
Controller
Indoor unit
Inter-unit control wiring
Central Controller
Unit 1 setting (outdoor main unit)
System address
(System 2 setting)
Number of indoor units
(9 units setting)
Number
of outdoor
units (2 units
setting)
Unit
number
setting
(unit 1)
Unit 2 setting
Unit
number
setting
(unit 2)
Unit 2
(Sub)
Unit 2
(Sub)
Unit 1
(Main)
Unit 1
(Main)
Set the terminating
resistance pin to
OPEN side. (CN67)
Set the terminating
resistance pin to
SHORT side. (CN67)
Outdoor unit
system 2
Outdoor unit
system Z
Inter-outdoor unit control wiring
Inter-outdoor unit control wiring
To Z refrigerant system indoor unit
Inter-unit control wiring
Inter-unit control wiring
Remote control
communication wiring
Remote
Controller
Indoor unit
00_341136_2WAY_Eng.indb 55 2022/9/19 9:27:33