All installations and services must be performed by qualified service personnel.
2
I. BLOWER CONTROLLER INFORMATION
A. TERMINAL DEFINITIONS & FIELD WIRING
Burner Harness Connector P2
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
Harness Wires
Yellow Wires
White
Red
Beckett Connections
T-T terminals
White
Black
Riello Connections
T-T terminals
N
L
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 (TXV systems ONLY)
Thermostat/Humidistat connections for 2-Stage control
"C"
Common/ground
"W1"
Thermostat call for heat (low fire)
"W2"
24 VAC to thermostat (high fire)
“R”
24 vac to T-Stat
"G"
Thermostat call for fan
"Y"
Thermostat call for cool
“DEHUM”
Humidistat call for dehumidification (TXV systems ONLY)
ECM control outputs
Pin 1 - Speed Common
Pin 4 – Blower Enable
Pin 2 - Speed Output
Pin 5 – COOL Enable
Pin 3 – Motor CFM
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.
"FAN"
Fan On Signal
“X”
24VAC from transformer.
“C”
24VAC common from transformer.
"CC"
Compressor Contactor
"CC_COM"
Compressor Contactor Common