Daikin VRV II RXYQ8MY1K Service Manual page 67

Basic Control
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.
Pattern 1
RXYQ8M,10M
No. 1 No. 2
INV STD1
∗
• In the case of combination of 3 outdoor units, the above diagram shows master unit, slave unit 1, and slave unit 2
from left to right.
• Compressors may operate in any pattern other than those mentioned above according to the operating status.
Compressor Step Control
Compressor operations vary with the following steps according to information in "2.2 Compressor PI Control".
Furthermore, the operating priority of compressors is subject to information in " Operating Priority and Rotation of
Compressors".
RXYQ8M,10M
STEP
INV STD1
No.
1 52Hz OFF
2 57Hz OFF
3 62Hz OFF
4 68Hz OFF
5 74Hz OFF
6 81Hz OFF
7 88Hz OFF
8 96Hz OFF
9 104Hz OFF
10 110Hz OFF
11 116Hz OFF
12 124Hz OFF
13 133Hz OFF
14 143Hz OFF
15 158Hz OFF
16 165Hz OFF
17 177Hz OFF
18 189Hz OFF
19 202Hz OFF
20 210Hz OFF
21 52Hz ON
22 62Hz ON
23 68Hz ON
24 74Hz ON
25 81Hz ON
26 88Hz ON
27 96Hz ON
28 104Hz ON
29 116Hz ON
30 124Hz ON
31 133Hz ON
32 143Hz ON
33 158Hz ON
34 177Hz ON
35 189Hz ON
36 202Hz ON
37 210Hz ON
Notes:
1. INV : Inverter compressor
STD1 : Standard compressor 1
STD2 : Standard compressor 2
2. Depending on the operating conditions of compressors, the compressors may run in patterns other than those
aforementioned.
56
Pattern 2
RXYQ16M,18M,20M
No. 1 No. 3 No. 2 No. 4
No. 2 No. 4 No. 1 No. 3
INV STD1 INV STD1
Pattern 3
RXYQ24M,26M,28M,30M
No. 1 No. 4
No. 3 No. 6
No. 2 No. 5
INV STD1
Si39-502A
INV: Inverter compressor
STD1: Standard compressor 1
No. 2 No. 5 No. 3 No. 6
No. 1 No. 4 No. 2 No. 5
No. 3 No. 6 No. 1 No. 4
INV STD1 INV STD1
Function