Lennox ZCC092 - Economizer Wiring and Diagrams; Standard Economizer Wiring; Economizer Wiring Diagrams


Standard Economizer Down Flow and Horizontal



when outdoor air is suitable. The mixed air temperature
sensor measures the supply air sensible temperature. An
outdoor air sensor is used to determine whether outdoor
air is suitable for free cooling. The outdoor air sensor is
factory installed in all economizers. Other outdoor and re-
-
mine whether outdoor air is suitable for free.
Wiring
1 - The economizer control module is located below


1 - 
       

• 
 

•       


2 - 

3 -    
     

4 -    
23.
        
to instructions provided with power exhaust. See

6 - Apply wiring diagram to the control panel.
Economizer
J142, P142
Economizer
Control Module
FIGURE 22
FIGURE 23