Frigidaire FG8SA Product information

Hello! I've reviewed the ladder diagram for the Frigidaire Ultra-Low NOx Series Single Stage furnaces. This document details the electrical wiring for components such as the blower motor, flame sensor, and hot surface ignitor. I'm ready to help answer any questions you have about the diagram or the furnace’s electrical connections.
What type of furnace is this document for?

What does this diagram show?

What is the voltage of the furnace?

1029966A

(Replaces 10299660)

07/21

LADDER DIAGRAM

For 80% Ultra-Low NOx Series Single Stage Furnaces 120 Volt / 1 Ph. / 60 Hz.

FIELD WIRING

LEGEND:

FIELD SUPPLIED

DISCONNECT

DOOR

SWITCH

CHOKE

(SOME MODELS)

FLAME SENSOR

ELECTRONIC

AIR CLEANER

HOT SURFACE IGNITOR

HUMIDIFIER

INDUCER

120 VAC

24 VAC

TRANSFORMER

SUPPLY AIR

LIMIT

BLOCKED

VENT

LIMIT

BLOWER

LIMIT

SWITCH

BLOWER

LIMIT

SWITCH

PRESSURE

SWITCH

GAS

VALVE

THERMOSTAT

MICRO

3A FUSE

24 V

P1-2

P1-4

P1-5

P1-6

P1-3

P1-8

TO MOTOR

RELAYS

COM

24 V K8 K5

MED-HI

MED-LO

BLOWER

MOTOR

CONTROL

GND

L1 GND N

BLOWER

MOTOR

GND

XFORMER

P1-7

EAC

P2-3

HUM

P2-1

CONTROL

NEUTRAL

P2-6

NEUTRAL

P2-4

NEUTRAL

CONTROL

NEUTRAL

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