Carrier 45MBDAQ18XA3 - Capacity Setting

45MBDAQ: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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CAPACITY SETTING
ECN1 Dip Switch Instruction for Capacity Change
ECN1 dip switch is used for capacity change
Power needs to be turned OFF BEFORE DIP SWITCH adjustment.
When matching with single zone condensers, the indoor unit will automatically adjust to 9,000 BTU/H or
12,000 BTU/ according to condensers capacity.
When matching with multi-zone condensers, the ECN1 setting needs to be changed. Change the capacity of the
indoor unit to 9,000 BTU/H by adjusting the dip switch ECN1 from “0” to “2”. Change the capacity of indoor unit to
12,000 BTU/H by adjusting the dip switch ECN1 from “0” to “3”.
(Default setting “0”)
0
8
4
1
2
3
5
6
7
C
9
A
B
D
E
F
(Default setting “0”)
0
8
4
1
2
3
5
6
7
C
9
A
B
D
E
F
0
8
4
1
2
3
5
6
7
C
9
A
B
D
E
F
0
8
4
1
2
3
5
6
7
C
9
A
B
D
E
F
(Change Dip switch to “2” for
9,000BUT/H)
(Change Dip switch to “3” for
12,000BUT/H)