Operating Priority And Rotation Of Compressors - Daikin RXQ12AHR Service Manual

SiAF341904E
5.4

Operating Priority and Rotation of Compressors

Each compressor operates in the following order of priority.
In the case of multi-outdoor-unit system, each compressor operates in any of Pattern 1 through
Pattern 3 according to the rotation of outdoor units.
M1C: Inverter compressor 1
M2C: Inverter compressor 2
Note(s)
1. In the case of combination of 3 outdoor units, the above diagram shows master unit, slave
2. Compressors may operate in any pattern other than those mentioned above according to the
Part 4 Functions and Control
Pattern 1
Single Outdoor Unit
No. 1
M1C
Double Outdoor Units
No. 1 No. 2
No. 2 No. 1
M1C M1C
Triple Outdoor Units
No. 1 No. 2 No. 3
No. 3 No. 1 No. 2
No. 2 No. 3 No. 1
M1C M1C M1C
No. 1 No. 2 No. 4 No. 3 No. 5
No. 3 No. 1 No. 4 No. 2 No. 5
No. 2 No. 3 No. 5 No. 1 No. 4
M1C M1C M2C M1C M2C
unit 1, and slave unit 2 from left to right.
operating status.
Pattern 2
No. 1 No. 2
M1C M2C
No. 1 No. 2 No. 3
No. 2 No. 1 No. 3
M1C M1C M2C
No. 1 No. 2 No. 3 No. 4
No. 3 No. 2 No. 4
No. 1
No. 2 No. 3 No. 1 No. 4
M1C M1C M1C M2C
No. 1 No. 4 No. 2 No. 5 No. 3 No. 6
No. 3 No. 6 No. 1 No. 4 No. 2 No. 5
No. 2 No. 5 No. 3 No. 6 No. 1 No. 4
M1C M2C M1C M2C M1C M2C
Normal Operation
Pattern 3
No. 1 No. 3 No. 2 No. 4
No. 2 No. 4 No. 1 No. 3
M1C M2C M1C M2C
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