Bryant 581B Manual

A SERVICE OF

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167

TYPICAL WIRING SCHEMATICS — 581C

LEGEND

OFM — Outdoor (Condenser) Fan Motor

OLR — Overload Relay

P—Plug

PL — Plug Assembly

QT — Quadruple Terminal

RS — Rollout Switch

SAT — Supply Air Temperature Sensor

TRAN — Transformer

Field Splice

Marked Wire

Terminal (Marked)

Terminal (Unmarked)

Terminal Block

C

— Contactor, Compressor

C

AP — Capacitor

C

LO — Compressor Lockout

C

OMP — Compressor Motor

E

QUIP — Equipment

F

PT — Freeze Up Protection Thermostat

F

U—Fuse

G

ND — Ground

H

PS — High-Pressure Switch

H

S—Hall-Effect Sensor

I

— Ignitor

I

DM — Induced-Draft Motor

I

FC — Indoor Fan Contactor

I

FM — Indoor Fan Motor

I

GC — Integrated Gas Unit Controller

L

PS — Low-Pressure Switch

L

S—Limit Switch

MGV — Main Gas Valve

Splice

Splice (Marked)

Factory Wiring

Field Control Wiring

Field Power Wiring

Accessory or Optional Wiring

To indicate common potential only

;

not to represent wiring.

NOTES:

1. If any of the original wire furnished must be replaced, it mus

t

be replaced with type 90 C wire or its equivalent.

2. Three phase motors are protected under primary single

phasing conditions.

3. Use copper conductors only.

4. TRAN is wired for 230 v unit. If unit is to be run with 208 v

power supply, disconnect BLK wire from 230 v tap (ORN

)

and connect to 208 v tap (RED). Insulate end of 230 v tap.