OMM 1087 AGZ 025D through 190D 17
Unit Level Setpoints:
Description Default Range
Mode/Enabling
Unit Enable Enable Disable, Enable
Network Unit Enable Disable Disable, Enable
Control source Local Local, Network
Available Modes Cool
Cool, Cool w/Glycol, Cool/Ice w/Glycol
Ice, Test
Network Mode Command Cool Cool, Ice
Staging and Capacity Control
Cool LWT 1 7°C (44.6°F) See Auto Adjusted Ranges, page 19
Cool LWT 2 7°C (44.6°F) See Auto Adjusted Ranges, page 19
Ice LWT 4.4°C (39.9°F) -9.5 to 4.4 °C (14.9 to 39.9 °F)
Network Cool Set Point 7°C (44.6°F) See section 5.1.1
Network Ice Set Point 4.4°C (39.9°F) -9.5 to 4.4 °C (14.9 to 39.9 °F)
Startup Delta T 5.6°C (10.1°F) 0.6 to 8.3 °C (1.1 to 14.9 °F)
Shut Down Delta T 0.3°C (0.5°F) 0.3 to 1.7 °C (0.5 to 3.1 °F)
Max Pulldown 0.6°C/min (1.1°F/min) 0.1 to 2.7 °C/min (0.2 to 4.9 °F/min)
Nominal Evap Delta T 5.6 °C (10.1°F) 3.3 to 8.9 °C (5.9 to 16 °F)
Demand Limit Enable Off Off, On
Network Capacity Limit 100% 0 to 100%
LWT Reset Enable Off Off, On
Configuration
Power Input Single Point Single Point, Multi Point
Evap Control #1 Only
#1 Only, #2 Only, Auto,
#1 Primary, #2 Primary
Number of Compressors 4 4,6
Expansion Valve Type Thermal Thermal, Electronic
Fan VFD enable No No, Yes
Number of fans 4 4,6,8,10,12,14
Timers
Evap Recirc Timer 30 15 to 300 seconds
Stage Up Delay 240 sec 120 to 480 sec
Stage Down Delay 30 sec 20 to 60 sec
Stage Delay Clear No No, Yes
Start-start timer 15 min 10-60 minutes
Stop-start timer 5 min 3-20 minutes
Clear Cycle Timers No No, yes
Ice Time Delay 12 1-23 hours
Clear Ice Timer No No,Yes
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)
Alarm Settings
Low Evap Pressure Unload 689.5 KPA(100 PSI) See section 5.1.1
Low Evap Pressure Hold 696.4 KPA(101 PSI) See section 5.1.1
High Condenser Pressure 4240 KPA(615 PSI) 3310 to 4275 KPA (480 to 620 PSI)
Continued next page.
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