Page 36
ACCESSORY
PANEL MULLION
DIVIDER PANEL
BOTTOM OF
COMPRESSOR
SECTION
FLANGED
RETURN AIR
OPENING
ECONOMIZER
FIGURE 26
TABLE 12
ECONOMIZER MODES AND SETPOINT
Free Cooling
Mode
Free Cooling
Set Point
Field Provided
Sensors
Input Ranges
TEMP OFFSET None Needed
TEMP OAT STPT None Needed
Remote Remote
Energy Management
System**
Either of the TEMP modes can be used when a network OAS
signal is provided by an energy management or building control
system, via BACnet, LonTalk, or L Connection. The network can
command OAS, NOT OAS, or AUTO. AUTO returns to local control
of OAS, which is the selected TEMP mode.
NA
ENTH DIFF OFFSET
0mA-4mA
ENTH ODE STPT C7400
12-19mA
GLOBAL GLOBAL 24VAC Input Signal
outdoor air damper applications. Global input also brings on the
blower. (This mode is NOT used when OAS signal is provided via
network connection. GLO is only used when a 24VAC signal is
NA
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