M. BLOWER CONTROLLER INFORMATION FOR PSC MOTOR
(Note: for ECM blower controller information see: ECM Operation Manual document #
TERMINAL DEFINITIONS & FIELD WIRING
Burner Harness Connector P1
Pin 1- Limit switch connector.
Pin 2- 120 VAC Line connection.
Pin 3- Burner pilot contact.
Pin 4&5- 120 VAC Neutral connections.
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 | ||
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Harness Wires |
| Yellow Wires | White | Red | |
Beckett Connections |
| White | Black | ||
Riello Connections |
| White | Black | ||
Thermostat / Humidistat connections |
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“C” | Common / ground |
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“W” | Thermostat call for heat |
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“R” | 24 VAC to thermostat |
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“G” | Thermostat call for fan |
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“Y” | Thermostat call for cool |
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“DEHUM” | Humidistat call for dehumidification (TXV systems ONLY) | ||||
Male quick connect terminals. |
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120 VAC Hot |
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120 VAC Neutral |
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“EAC” | Electronic Air Cleaner (120 VAC) connection |
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“FAN” | Fan On Signal |
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“X” | 24 VAC from transformer |
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“C” | 24 VAC common from transformer |
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“CC” | Compressor Contactor |
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“CC_COM” | Compressor Contactor Common |
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“LOW” | Continuous Blower Speed |
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“HEAT” | Blower heat speed tap |
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“COOL” | Blower cool speed tap |
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