Table 10: Menu navigation
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Parameters displayed
Conditions for parameter
displayed units and range
Cooling status
Off-idle, thermostat cooling, unoccupied cooling,
occupied cooling, Off-OAT lockout, Off-disabled,
Off-lockout, Off-low supply voltage, Off-low
ambient, Off-low ambient pre-run delay, Off-
waiting for changeover delay, Off-free cooling,
comfort ventilation
Economizer status
Disabled, damper not functional, purge,
unavailable-sensor fault, econ loading, sat high
limit, mixed air low limit cycle, demand ventilation
air quality, outside airflow control, free cooling
is active, miinimum position, test, comfort
ventilation, low OA ambient
Econ free cooling available
No, yes
Economizer damper % command
%
Supply air temperature
°F
Operational outside air temperature
°F
Outside air enthalpy
Btu/lb
Return air enthalpy
Btu/lb
Operational indoor air quality
ppm
Operational outside air quality
ppm
Fresh air intake value
cfm
Economizer damper position
% Open
FDD economizer alarm delay
Seconds / 1–3600
FDD economizer damper allowed error
% / 0–100
FDD damper min position tolerance
% / 0–100
Return air damper position
%
Return air damper command
%
Economizer
Economizer
service
Return air humidity sensor alarm
Normal, alarm
Advanced Graphic Touchscreen Display on 25 Ton to 80 Ton Johnson Controls Premier Rooftop Units
35
Johnson Controls