Payne PA1R Series Installation, Start-Up And Service Instructions Manual page 31

AHA — Adjustable Heat Anticipator
C — Contactor, Compressor
CAP — Capacitor
CC — Cooling Compensator
COMP — Compressor Motor
D — Diode
EC — Enthalpy Control
ECON — Economizer
EPS — Emergency Power Supply
(9-Volt Battery)
ER — Economizer Relay
FPT — Freeze-Up Protection Thermostat
FU — Fuse
GND — Ground
HC — Heater Contactor (Strip Heat)
HPS — High-Pressure Switch
IFC — Indoor-Fan Contactor
IFM — Indoor-Fan Motor
LPS — Low-Pressure Switch
LSM — Limit Switch (Manual Reset)
MTR — Motor
NC — Normally Closed
NO — Normally Open
OAT — Outdoor-Air Thermostat
OFM — Outdoor-Fan Motor
P — Plug
PL — Plug Assembly
QT — Quadruple Terminal
R — Relay
SAT — Supply Air Thermostat
SEN — Sensor
STD — Standard
SW1 — Switch Fully Open
SW2 — Switch Fully Closed
SW3 — Switch Min. Vent Position
SW4 — Switch Max. Vent Position
TB — Terminal Block
TC — Thermostat-Cooling
TDR — Time Delay Relay
TH — Thermostat-Heating
TRAN — Transformer
LEGEND
Field Splice
Marked Wire
Terminal (Marked)
Terminal (Unmarked)
Terminal Block
Splice
Spliced (Marked)
Factory Wiring
Field Control Wiring
Field Power Wiring
Accessory or Optional Wiring
To Indicate Common Potential
Only, Not to Represent Wiring.
Fig. 36 — Typical Wiring Schematic
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. Thermostat:
HH07AT170, 172, 174 and P272-2783
Subbase:
HH93AZ176, 178 and P272-1882, 1883
4. Set heat anticipator at 1 amp.
5. Use copper conductors only.
6. Use copper, copper clad aluminum or aluminum conductors.