12
MODINE CONTROLS SYSTEM MANUAL
ClassMate and SchoolMate Models
AIR74-525.1
Main Status Parameters (continued)
The status screens can be seen when the UP or DOWN buttons are pressed on the main status screen. The following
table describes the menu parameters (NOTE: changes in shading indicates change to next screen by using the UP or
DOWN buttons):
SCREEN NAME PARAMETER DESCRIPTION FACTORY VALUE RANGE UNITS
Temperatures
Return Air: Actual Value - °F / °C
Outside Air: (If Enabled) Actual Value - °F / °C
Supply Air: Actual Value - °F / °C
Indoor Coil: Actual Value - °F / °C
Outdoor Coil / Coax Water Out: (If Enabled) Actual Value - °F / °C
Control Temp: Actual Value - °F / °C
Faceless Wall Stat
Modbus Address: Actual Value 0-128 -
Temperature: Actual Value - °F / °C
Humidity: Actual Value 0-100% %
Dew Point: Actual Value (Calculated) - °F / °C
Humidity / CO2
(Screen Visible only
if CO2 or Humidity
sensors are Enabled)
CO2 Level: (If Enabled) Actual Value 0-2000 PPM
Outside Air Humidity: (If Enabled) Actual Value 0-100 %RH
Return Air Humidity: (If Enabled) Actual Value 0-100 %RH
Outside Air Enthalpy: (If Enabled) Actual Value (Calculated) 0-9999.9 BTU/Lb.
Inside Air Enthalpy: (If Enabled) Actual Value (Calculated) 0-9999.9 BTU/Lb.
Compressor Status
Defrosting Status: Actual Value ON/OFF -
Compressor: Actual Value ON/OFF -
Countdown On: Actual Value 0-60 s
Countdown Off: Actual Value 0-60 s
Coax Valve Poss: Actual Value 0-100 %
LL Pressure : (If Enabled) Actual Value 0-600 psig
ERM Output Status
(Screen only visible if
ERM is Enabled)
ERM Wheel: (If Enabled) Actual Value Running or Stopped -
Defrosting Status: Actual Value ON/OFF -
Outside Air Fan: (If Enabled) Actual Value ON/OFF -
EA Vent Fan: (If Enabled) Actual Value ON/OFF -
ERM Fan Mod: (If Enabled) Actual Value 0-999 cfm
Outside Air Damper: (If Enabled) Actual Value Closed or Open -
Output Status (Page
1)
ID Fan: (Supply Fan) Actual Value ON/OFF -
Fan HI: (Supply Fan Hi Setting) Actual Value ON/OFF -
Comp: (Compressor 1st stage) Actual Value ON/OFF -
Comp HI: (Compressor 2nd stage) Actual Value ON/OFF -
Rev Vl: (Reversing Valve) (If Enabled) Actual Value ON/OFF -
HGRH: (If Enabled) Actual Value ON/OFF -
Electric Heat 1: (If Enabled) Actual Value ON/OFF -
Electric Heat 2: (If Enabled) Actual Value ON/OFF -
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