Daikin AWV024 - Page 47

ConTroller operaTIon
www.DaikinApplied.com 47 IOM 1242-2 • PATHFINDER
®
MODEL AWV CHILLERS
Table 32: Set Point Default and Range (continued)
Description Default Range
Evaporator Pump Control
Evap Pump Control Conguration #1 Only #1 Only, #2 Only, Auto, #1 Primary, #2 Primary
Evap Recirc Timer 90 seconds 0 to 300 seconds
Evap Pump 1 Run Hours 0 0 to 999999 hours
Evap Pump 2 Run Hours 0 0 to 999999 hours
Power Conservation and Limits
LWT Reset Enable Disable Disable, Enable
Max Reset 5.0°C (9.0°F) 0 to 10.0°C (0 to 18.0°F)
Demand Limit Enable Off Off, On
Unit Sensor Offsets
Evap LWT Sensor Offset 0°C (0°F) -5.0 to 5.0°C (-9.0 to 9.0°F)
Evap EWT Sensor Offset 0°C (0°F) -5.0 to 5.0°C (-9.0 to 9.0°F)
OAT Sensor Offset 0°C (0°F) -5.0 to 5.0°C (-9.0 to 9.0°F)
Circuit Conguration - Applied to All Circuits
Pumpdown Pressure Max 160 kPa (23.2 psi) 70 to 280 kPa (10.2 to 40.6 psi)
Pumpdown Time Limit 120 seconds 0 to 180 seconds
Liquid Injection Activation 85.0°C (185.0°F) 50.0°C to 110.0°C (122.0°F to 230.0°F)
Start-Start Time Delay 20 minutes 15-60 minutes
Stop-Start Time Delay 5 minutes 3-20 minutes
Alarm and Limit Settings - Unit
Evaporator Fluid Freeze 2.2°C (36.0°F) See Dynamic Set Point Ranges section
Evaporator Flow Loss Delay 15 seconds 5 to 15 seconds
Evaporator Recirculate Timeout 3 minutes 1 to 10 minutes
Low OAT Lockout 0°C (32°F) See Dynamic Set Point Ranges section
Low OAT Lockout Conguration
1
Lockout & Stop Lockout & Stop, Lockout Only, Disabled
Low OAT Lockout BAS Alert Off Off, On
Alarm and Limit Settings - Circuits
Low Evap Pressure-Unload 160 kPa (23.2 psi) See Dynamic Set Point Ranges section
Low Evap Pressure-Hold Offset 15 kPa (2.2 psi) 10 to 50 kPa (1.5 to 7.3 psi)
High Oil Press Difference Delay 60 seconds 10-600 seconds
High Oil Press Difference Minimum 206.85 kPa (30 psi) 100 to 300 kPa (14.5 to 43.5 psi)
High Discharge Temperature 110.0°C (230.0°F) 65.0 to 110.0°C (149.0 to 230.0°F)
High Cond Pressure Delay 5 seconds 0 to 5 seconds
High Cond Pressure Hold Offset
2
2.8°C (5°F) 2.8 to 8.3°C (5 to 15°F)
High Cond Pressure Unload Offset 1.7°C (3°F) 1.7 to 7.2°C (3 to 13°F)
Low Pressure Differential/Ratio Delay 120 seconds 120 to 300 seconds
Low DSH Limit 2.0°C (3.6°F) 1.0°C to 15.0°C (1.8 to 27°F)
Pumpdown Time Limit 120 seconds 0 to 180 seconds
NOTE: 1. Low Ambient Lockout Conguration will not be available unless Fan VFD Conguration is set to 1st Fan VFD or All Fan VFD.
2. High Condenser Pressure Hold Offset is forced to be at least 1.1°C (2°F) greater than High Condenser Pressure Unload Offset.