OMM 1087 AGZ 025D through 190D 19
Auto Adjusted Ranges
Some settings have different ranges of adjustment based on other settings:
Cool LWT 1, Cool LWT 2, and Network Cool Set Point
Available Mode Selection Range
Without Glycol 4.4 to 15.6 °C (39.9 to 60.1 °F)
With Glycol -9.5 to 15.6 °C (14.9 to 60.1 °F)
Evaporator Water Freeze
Available Mode Selection Range
Without Glycol 2.2 to 5.6 °C (36 to 42.1 °F)
With Glycol -10.8 to 5.6 °C (12.6 to 42.1 °F)
Low Evaporator Pressure Hold and Unload
Available Mode Selection Range
Without Glycol 669 to 793 KPA (97 to 115 PSI)
With Glycol 407 to 793 KPA (59 to 115 PSI)
Low Ambient Lockout
Fan VFD Range
= no for all circuits 1.7 to 15.6 °C (35.1 to 60.1 °F)
= yes on any circuit -23.3 to 15.6 °C (-9.9 to 60.1 °F)
Special Set Point Operations
The following setpoints are not changeable unless the unit switch is off:
Available Modes
Number of Compressors
Expansion Valve Type
Number of Fans
Fan VFD Enable
The Circuit Mode setpoints should not be changeable unless the corresponding circuit switch is off.
The Compressor Enable setpoints should not be changeable unless the corresponding compressor is not
running.
EXV Position set point on each circuit follows the actual EXV position while EXV Control = Auto.
When EXV Control = Manual, the position set point should be changeable.
The Clear Alarms and Network Clear Alarms settings are automatically set back to Off after being On
for 1 second.
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