Bryant 581B Gas Heater User Manual


 
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.