Dynamic Distributors Polarized-Media Manuale Utente

 

         
           

                          

 
1) Turn the thermostat fan switch to the “OFF” position. 
2) Turn off power to the furnace/air handler.  
3) Remove the existing filter from the furnace/air handler or return air grille. 
4) Wiring to the on-board transformer or integrated furnace control:  
 
NOTE: ONLY A QUALIFIED ELECTRICIAN SHOULD PERFORM ELECTRICAL WIRING. 
  
If there is a terminal strip such as the one shown in figure 1, connect the black wire of the power 
cord to the “Common” terminal (typically the "C" terminal) and the black wire with the white stripe 
to the “Hot” 24vac terminal (typically the "R" terminal).  Output from the 24vac transformer may 
vary due to local line voltage fluctuations.  Outputs up to 28vac are acceptable.
 

 

  

     

 

 

  Figure 1 

 
If the terminals are unmarked, or to confirm the markings, use a voltmeter to find the Common 
and “Hot” 24vac terminals:  
 

a.  Turn off the power to the furnace/air handler and the transformer.  
b.  With the voltmeter set to "Continuity", check for continuity between each terminal and the 

metal frame of the furnace/air handler. Choose a spot on the furnace/air handler such as 
a screw or unpainted edge, where a good electrical contact can be found.  

c.  If continuity is found between one of the terminals and the furnace/air handler, that 

terminal will be the Common terminal.  

d.  With the power on to the transformer, use the voltmeter to locate the 24vac terminal.