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Speed vs. color code for PSC Motor:
Low = Orange
Med-Low = Red
Med= Blue
Med-High = Yellow
High = Black
M. BLOWER CONTROLLER INFORMATION FOR PSC MOTOR
(Note: for ECM blower controller information see: ECM Operation Manual document # Mo-440)
TERMINAL DEFINITIONS & FIELD WIRING
Burner Harness Connector P2
Pin 1- Limit switch connector.
Pin 2- 120 VAC Line connection.
Pin 3- Burner pilot contact.
Pin 4&5-
Pin 6- Burner pilot contact.
Pin 7&8-
Pin 9- Limit Switch Input (LSI).
Field Wiring to Burner
Thermostat / Humidistat connections
"C"
"W"
"R"
"G"
"Y"
"DEHUM"
Male quick connect terminals.
"S1-3"
"N1-7"
"EAC"
"FAN"
"X"
"C"
"CC"
"CC_COM"
"LOW"
"HEAT"
"COOL"
120 VAC Neutral connections.
From oil primary control.
Harness Wires
Beckett Connections
Riello Connections
Common / ground
Thermostat call for heat
24 VAC to thermostat
Thermostat call for fan
Thermostat call for cool
Humidistat call for dehumidification (TXV systems ONLY)
120 VAC Hot
120 VAC Neutral
Electronic Air Cleaner (120 VAC) connection
Fan On Signal
24 VAC from transformer
24 VAC common from transformer
Compressor Contactor
Compressor Contactor Common
Continuous Blower Speed
Blower heat speed tap
Blower cool speed tap
Pilot (Tstat)
Neutral
Yellow Wires
White
T-T terminals
White
T-T terminals
N
28
Line
Red
Black
L
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