Daikin AGZ075E - Page 53

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MODEL AGZ CHILLERS
Circuit Level Set Points
The settings in this section all exist for each individual circuit.
Table 48: Set Points for Individual Circuits
Description Default Range
Mode/Enabling
Circuit mode Enable Disable, Enable, Test
Compressor 1 Enable Auto Auto, Off
Compressor 2 Enable Auto Auto, Off
Compressor 3 Enable Auto Auto, Off
EXV Settings
EXV control Auto Auto, manual
EXV position See Special Setpoints 0% to 100%
Suction SH Target @50% (3) 4.44°C (8°F) 4.44 to 6.12 °C (8 to 11 °F)
Suction SH Target @100% (3) 5.56°C (10°F) 4.44 to 6.67 °C (8 to 12 °F)
Suction SH Target @33% (4) See Special Setpoints 4.44 to 6.12 °C (8 to 11 °F)
Suction SH Target @66/100% (4) 5.56°C (10°F) 4.44 to 6.67 °C (8 to 12 °F)
Max Evap Pressure 1075.6 KPA(156 PSI) 979 to 1172 KPA (142 to 170 PSI)
Condenser Control
Condenser Target 100% See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Condenser Target 67% (2) See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Condenser Target 50% (1) See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Condenser Target 50%, Unit 75% (1) See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Condenser Target 50%, Unit 50% (1) See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Condenser Target 50%, Unit 25% (1) See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Condenser Target 33% (2) See Dynamic Set Point Ranges See Dynamic Set Point Ranges
VFD Max Speed 100% 90 to 110%
VFD Min Speed 25% 25 to 60%
Fan Stage Up Deadband 1 See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Fan Stage Up Deadband 2 See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Fan Stage Up Deadband 3 See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Fan Stage Up Deadband 4 See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Fan Stage Down Deadband 1 See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Fan Stage Down Deadband 2 See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Fan Stage Down Deadband 3 See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Fan Stage Down Deadband 4 See Dynamic Set Point Ranges See Dynamic Set Point Ranges
Sensor Offsets
Evap Pressure Offset 0 KPA (0 PSI) -100 to 100 KPA (-14.5 to 14.5 PSI)
Cond Pressure Offset 0 KPA (0 PSI) -100 to 100 KPA (-14.5 to 14.5 PSI)
Suction Temp Offset 0°C (0°F) -5.0 to 5.0 °C (-9.0 to 9.0 °F)
BAS Control Inputs
Network Compressor 1 Enable Enable Enable, Disable
Network Compressor 2 Enable Enable Enable, Disable
Network Compressor 3 Enable Enable Enable, Disable
NOTE: 1. Condenser Target 50% will be available only when the unit has 4 compressors.
2. Condenser Targets 33% and 67% will be available only when the unit has 6 compressors.
3. Suction SH Targets 50% and 100% will be available only when the unit has 4 compressors.
4. Suction SH Targets 33% and 66/100% will be available only when the unit has 6 compressors.