Daikin McQuay AGZ-D 25, Operating And Maintenance Manual, Page: 18 / 84

18 AGZ 025D through 190D OMM 1087-1
Description Default Range
High Condenser Pressure Unload 4137 KPA(600 PSI) 3241 to 4137 KPA (470 to 600 PSI)
Evaporator Flow Proof 5 sec 5 to 15 sec
Recirculate Timeout 3 min 1 to 10 min
Evaporator Water Freeze 2.2°C (36°F) See Auto Adjusted Ranges, page 18
Low OAT Start Time 165 sec 150 to 240 sec
External Alarm Configuration Event Event, Alarm
Clear Alarms Off Off, On
Network Clear Alarms Off Off, On
Circuit Setpoints (exist individually for each circuit):
Description Default Range
Mode/Enabling
Circuit mode Enable Disable, Enable, Test
Compressor 1 Enable Enable Enable, Disable
Compressor 2 Enable Enable Enable, Disable
Compressor 3 Enable Enable Enable, Disable
Network Compressor 1 Enable Enable Enable, Disable
Network Compressor 2 Enable Enable Enable, Disable
Network Compressor 3 Enable Enable Enable, Disable
EXV control Auto Auto, manual
EXV position
See Special Setpoints,
page 18
0% to 100%
Suction SH Target 5.56°C (10
°° )
4.44 to 6.67 °C (8 to 12 °F)
Max Evap Pressure 1076 KPA(156.1 PSI) 979 to 1172 KPA (142 to 170 PSI)
Condenser
Condenser Target 100% 37.8°C (100°F) 32.22 to 48.9 °C (90 to 120 °F)
Condenser Target 67% 32.2°C (90°F) 32.22 to 48.9 °C (90 to 120 °F)
Condenser Target 50% 32.2°C (90°F) 29.44 to 43.3 °C (85 to 110 °F)
Condenser Target 33% 29.4°C (85°F) 29.44 to 43.3 °C (85 to 110 °F)
VFD Max Speed 100% 90 to 110%
VFD Min Speed 25% 25 to 60%
Fan Stage Up Deadband 1 8.33°C (15°F) 8.33 to 13.89 °C (15 to 25 °F)
Fan Stage Up Deadband 2 5.56°C (10°F) 5.56 to 8.33 °C (10 to 15 °F)
Fan Stage Up Deadband 3 5.56°C (10°F) 5.56 to 8.33 °C (10 to 15 °F)
Fan Stage Up Deadband 4 5.56°C (10°F) 5.56 to 8.33 °C (10 to 15 °F)
Fan Stage Down Deadband 1 11.11°C (20°F) 8.33 to11.11 °C (15 to 20 °F)
Fan Stage Down Deadband 2 11.11°C (20°F) 8.33 to11.11 °C (15 to 20 °F)
Fan Stage Down Deadband 3 8.33 °C (15 °F) 5.56 to 8.33 °C (10 to 15 °F)
Fan Stage Down Deadband 4 5.56 °C (10 °F) 3.33 to 5.56 °C (6 to 10 °F)
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)
Note – Condenser Target 67% and Condenser Target 33% will be available only when Number of
Compressors is 6. Condenser Target 50% will be available only when Number of Compressors is 4.
Auto Adjusted Ranges
Some settings have different ranges of adjustment based on other settings: