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STEADY YELLOW
“OUTDOOR AIR
SUITABLE” LED
INDICATES
OUTDOOR AIR
CAN BE USED
FOR COOLING
ECON
DIP
SWITCH
M2 UNIT CONTROLLER
0-100% MINIMUM POSI
TION POTENTIOMETER
TEMP OFFSET, TEMP OAT
STPT, and Remote MODE.
ODE DIFFERENTIAL (Outdoor Enthalpy)
Set to DIF
A
B
C
D
DIF
ENTH SET PNT
ODE (Outdoor Enthalpy)
A
B
C
D
DIF
Set to A
ENTH SET PNT
GLO (Global Enthalpy)
Note-All economizer modes of operation, except DSET, will modulate
dampers to 55°F (13°C) discharge air.
Free Cooling Settings Economizer Controls and Location
Figure 4. Economizer controls and free cooling settings (Early M2 Hardware)