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58
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
CAP
—
Capacitor
CLO
—
Compressor Lockout
COMP —
Compressor Motor
EQUIP —
Equipment
FPT
—
Freeze Up Protection Thermostat
FU
—
Fuse
GND
—
Ground
HPS
—
High-Pressure Switch
HS
—
Hall-Effect Sensor
I
—
Ignitor
IDM
—
Induced-Draft Motor
IFC
—
Indoor Fan Contactor
IFM
—
Indoor Fan Motor
IGC
—
Integrated Gas Unit Controller
LPS
—
Low-Pressure Switch
LS
—
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 must
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.
C06147
Fig. 75
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Typical Wiring Schematic and Component Arrangement (208/230--3--60 Shown)
48H
E,
H
J