Daikin AGZ 025D Operating & Maintenance Manual page 28

Four Compressors:
Demand Limit Signal (%)
75% > Limit ≥ 50%
50% > Limit ≥ 25%
Six Compressors:
Demand Limit Signal (%)
Limit ≥ 83.3%
83.3% > Limit ≥ 66.7%
66.7% > Limit ≥ 50%
50% > Limit ≥ 33.3%
33.3% > Limit ≥ 16.7%
16.7% > Limit
Network Limit
The maximum unit capacity can be limited by a network signal. This function is only enabled if the control
source is set to network. The maximum unit capacity stage is based on the network limit value received from
the BAS, and is determined as shown in the following tables:
Four compressors:
Network Limit
100% > Limit ≥ 75%
75% > Limit ≥ 50%
Six compressors:
Network Limit
100% > Limit ≥ 83.3%
83.3% > Limit ≥ 66.7%
66.7% > Limit ≥ 50%
50% > Limit ≥ 33.3%
Maximum LWT Pulldown Rate
The maximum rate at which the leaving water temperature can drop shall be limited by the Maximum
Pulldown Rate set point, only when the unit mode is Cool.
If the rate exceeds this set point, no more compressors shall be started until the pulldown rate is less than the
set point.
Running compressors will not be stopped as a result of exceeding the maximum pulldown rate.
High Ambient Limit
On units configured with single point power connections, the maximum load amps could be exceeded at high
ambient temperatures. If all compressors are running on circuit 1 or all but one compressor on circuit 1,
power connection is single point, and the outdoor air temperature OAT is greater than 46.6°C (115.9°F),
circuit 2 is limited to running all but one compressor. This limit will allow the unit to operate at higher
temperatures than 46.6°C (115.9°F).
28
Limit ≥ 75%
25% > Limit
Limit ≥ 100%
50% > Limit
Limit ≥ 100%
33.3% > Limit
Demand Limit (mA)
Limit ≥ 16 mA
16 mA > Limit ≥ 12 mA
12 mA > Limit ≥ 8 mA
8 mA > Limit
Demand Limit (mA)
Limit ≥ 17.3 mA
17.3 mA > Limit ≥ 14.7 mA
14.7 mA > Limit ≥ 12mA
12 mA > Limit ≥ 9.3 mA
9.3 mA > Limit ≥ 6.7 mA
6.7 mA > Limit
Stage Limit
4
3
2
1
Stage Limit
6
5
4
3
2
1
AGZ 025D through 190D
Stage Limit
1
2
3
4
Stage Limit
1
2
3
4
5
6
OMM 1166-1