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MODINE CONTROLS SYSTEM MANUAL
ClassMate and SchoolMate Models
AIR74-525.1
Control Settings (continued)
Main Status Screen = Service = Service Settings= Control Settings
( requires password PW1)
The following table describes the menu parameters (NOTE: change in shading indicates change to next screen by using
the UP or DOWN buttons):
SCREEN NAME PARAMETER DESCRIPTION FACTORY VALUE RANGE UNITS
OD Fan: “Exhaust Fan”
Low Speed: 32.0% 0.0%-100.0% %
High Speed: 43.0% 0.0%-100.0% %
Coax Water Mod Valve:
(Screen Visible only on Schoolmate Units)
Pressure Set: 310psig 0-999psig psig
Min Position: 5.0% 0.0%-100.0% %
Str. Percentage: 100% 0%-999% %
Str. Time: 15s 0s-99s seconds
Coax Water Out
(Screen Visible only on Schoolmate Units)
Lockout Set: 40.0°F -99.9°F-99.9°F °F / °C
Lockout Diff: 10.0°F 0°F-99.9°F °F / °C
Lockout Delay: 1m 0m-99m Minutes
Hot Water / Steam
(Screen Visible with a Heat Type of Hot water
or Steam)
Bleed Set: 30.0% 0.0%-100.0% %
OA Bleed Enable: 45.0°F 0.0°F-99.9°F °F / °C
Supply Set: 50.0°F 0.0°F-100.0°F °F / °C
OA Enable: 45.0°F 0.0°F-99.9°F °F / °C
Electric Heat Control
( Screen Visible with Heatpump units with Electric
Heat)
OA Lockout Temp: (Outside Air
Lockout Temperature)
60 50°F-70°F °F / °C
Electric HT Delay: 10 5-20 Minutes
Baseboard Heat Control
(Screen Visible with Baseboard heat)
Heating Control Type Standalone
Standalone or
Cascade
-
Offset: 2°F -10.0 to 10.0 °F / °C
Cascade Baseboard Heat Settings
Primary Heat Occupied: Unit
Unit Or
Baseboard
-
Primary Heat Unoccupied: Unit
Unit Or
Baseboard
-
Secondary demand Enable: 50% 0 to 100% Heating Demand %
Baseboard Digital 1 stage Heat Demand Enable
(Screen visible with baseboard controlled by 1
relay output)
Stage 1 On: 0.1 0 to 100% Heating Demand %
Stage 1 Off: 0 0 to 100% Heating Demand %
Baseboard Digital 2 stage Heat Demand Enable
(Screen visible with baseboard controlled by 2
relay output)
Stage 1 On: 10% 0 to 100% Heating Demand %
Stage 1 Off: 0% 0 to 100% Heating Demand %
Stage 2 On: 50% 0 to 100% Heating Demand %
Stage 2 Off: 25% 0 to 100% Heating Demand %
ERM Defrost
(Screen Visible with an ERM unit.)
Enable Temp: 15.0°F 0°F-35°F °F / °C
Cycle Time: 60m 1m-99m Minutes
Defrost Time: 5m 1m-99m Minutes
Econ: “Drybulb, Drybulb Diff, Enthalpy, or
Enthalpy Diff”
(Screen only Visible with an Economizer)
OA Low Limit: 35.0°F 30.0°F-40.0°F °F / °C
Compare Diff: 5.0°F 0.0°F-99.9°F °F / °C
OA Close: -10.0°F -40.0°F-99.9°F °F / °C
Supply Low Limit: 55.0°F 45.0°F-70.0°F °F / °C
RA Close 60.0°F 40.0°F-90.0°F °F / °C
Econ: “Enthalpy, or Enthalpy Diff” (Page
2) (Screen Visible with Economizer set to
Enthalpy or Enthalpy Diff)
OA Enthalpy Set: 20.0 Btu. 0.0Btu-90.0Btu Btu
Atm. Pressure 1000mbar 600-1100 mbar
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