Daikin MPS - Page 34

Table 20: Circuit Staging Method
Compressor
Conguration
Lead Circuit/WRV
Control
Circuit Staging
Method
Lead Compressor Lead Circuit
Subsequent
Compressor Staging
Subsequent
Circuit Staging
2/2/2
Lead Circuit=1
No WRV
NA
1 1 2 2
Lead Circuit =1
WRV
Lead Circuit =2
No WRV
2 2 1 1
Lead Circuit =2
WRV
Lead Circuit =Auto
No WRV
1 or 2 1 or 2 1 or 2 1 or 2
Lead Circuit =Auto
WRV
3/3/3
Lead Circuit=1
No WRV
NA
1 1
Compressor with low
run hours
Circuit with
compressor with low
run hours
Lead Circuit =1
WRV
Lead Circuit =2
No WRV
2 2
Lead Circuit =2
WRV
Lead Circuit =Auto
No WRV
1, 2 or 3 1, 2 or 3
Lead Circuit =Auto
WRV
1 or 2 1 or 2
4/4/4
Lead Circuit=1
No WRV
NA
1 1
Compressor with low
run hours
Circuit with
compressor with low
run hours
Lead Circuit =1
WRV
Lead Circuit =2
No WRV
2 2
Lead Circuit =2
WRV
Lead Circuit =Auto
No WRV
1, 2, 3 or 4 1, 2, 3 or 4
Lead Circuit =Auto
WRV
1 or 2 1 or 2
4/2/4
Lead Circuit=1
No WRV
STD
1 or 3 1
Compressor on
appropriate circuit with
low run hours
Circuit loading
alternates as stage
increases
Lead Circuit =1
WRV
Lead Circuit =2
No WRV
2 or 4 2
Lead Circuit =2
WRV
Lead Circuit =Auto
No WRV
1, 2, 3 or 4 1 or 2*
Lead Circuit =Auto
WRV
Lead Circuit=1
No WRV
ALT (or dehum.
active)
1 or 3 1
Lead circuit is fully
loaded before lag
circuit begins loading
Lead Circuit =1
WRV
Lead Circuit =2
No WRV
2 or 4 2
Lead Circuit =2
WRV
Lead Circuit =Auto
No WRV
1, 2, 3 or 4 1 or 2
Lead Circuit =Auto
WRV
6/6/6
Lead Circuit=1
No WRV
NA
1 1
Compressor with low
run hours
Circuit with
compressor with low
run hours
Lead Circuit =1
WRV
Lead Circuit =2
No WRV
2 2
Lead Circuit =2
WRV
Lead Circuit =Auto
No WRV
1, 2, 3, 4, 5 or 6 1, 2, 3, 4, 5 or 6
Lead Circuit =Auto
WRV
1 or 2 1 or 2
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