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8. Setting switches
8.1 Setting addresses
(Be sure to operate with the main power turned OFF.)
• There are two types of rotary switch settings available: setting address digits 1 to 9 and address digits 10,
20, 30, etc., and setting branch numbers
1.
How to set addresses
Example: If Address is "3" set SW12 (used for address digits 10, 20, 30, etc) to "0", and set SW11
(used for address digits 1 to 9) to "3".
2.
How to set branch numbers SW14 (Series R2 only)
The branch number assigned to each indoor unit is the port number of the BC controller to which the
indoor unit is connected.
Leave it to "0" on the non-R2 series of units.
• The rotary switches are all set to "0" when shipped from the factory. These switches can be used to set
unit addresses and branch numbers at will.
• The determination of indoor unit addresses varies with the system at site. Set them referring to technical
data.
8.2 Setting unit capacity
Set the unit capacity according to the heat exchanger type (field supply).
Set the dip switch (SW2 and SW3-6) on the control board in accordance with the chart below.
LEV Assembly
Model
PAC-LV24AC-1
Specifications are subject to change without notice.
PAC-AH001-1
Capacity Code
Design Capacity
Setting
Range Cooling
[Ton]
0.5
4,800-6,000
0.7
6,000-8,000
42
Setting switches
[Btu/h]
SW2
n
1 2 3 4 5 6
.5
ON
OFF
1 2 3 4 5 6
.7
ON
OFF
SW3-6
1 2 3 4 5 6 7 8 9
10
ON
OFF
10
1 2 3 4 5 6 7 8 9
10
ON
OFF
10
10
10
10
10
10
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