All installations and services must be performed by qualified service personnel.; I. BLOWER CONTROLLER INFORMATION ; A. TERMINAL DEFINITIONS & FIELD WIRING- Page 3

All installations and services must be performed by qualified service personnel.

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I.  BLOWER CONTROLLER INFORMATION 
 
 
A. TERMINAL DEFINITIONS & FIELD WIRING

Burner Harness Connector P1  

Pin  1 –      Limit switch connection. 
Pin  2 –      120 VAC Line connection. 
Pin  3 –      Burner pilot contact. 
Pin  4&5 – 120 VAC Neutral connection. 
Pin  6 –      Burner pilot contact. 
Pin  7&8 – From oil primary control.  
Pin  9 –      Limit Switch Input (LSI). 
 
Field Wiring to Burner 
 

Pilot (Tstat) 

Neutral      Line       

Yellow Wires 

White Red 

T-T terminals 

White Black 

T-stat terminals 

White Black 

Harness Wires 
Beckett Connections 
Riello Connections 
Carlin Connections 

T-T terminals 

White Black 

Thermostat/Humidistat connections 

"C"  

Common/ground 

"W" 

Thermostat call for heat 

"R" 

24 VAC to thermostat 

"G" 

Thermostat call for fan 

"Y" 

Thermostat call for cool 

“DEHUM”  

Humidistat call for dehumidification 

ECM control outputs  

Pin 1 - Speed Common 

Pin 4 – Blower Enable 

Pin 2 - Speed Output 

Pin 5 – COOL Enable 

Pin 3 - Not used.   

Pin 6 – “R” Output

Male quick connect terminals. 

"S1-3”   

120 VAC Hot 

“N1-7”   

120 VAC Neutral  

“EAC”   

Electronic Air Cleaner (120 VAC) connection. 

“HUM”   

Humidifier connection (120 VAC). 

"FAN"   

Fan On Signal 

“X” 

24VAC from transformer. 

“C” 

24VAC common from transformer. 

"CC"  

Compressor 

Contactor 

"CC_COM" 

Compressor Contactor Common