Specifications

LEGEND FOR TYPICAL FIELD WIRING
TYPICAL INSTALLATION
AHA Adjustable Heat Anticipator
BKR W/AT Breaks With Amp Turns
C—Contactor
CB Circuit Breaker
CC Cooling Compensator
CLO Cooling Lockout
CLS Cooling Lockout Switch
CR Control Relay
CT Current Transformer
DFR Defrost Relay
DM Damper Motor
DR Damper Relay
EC Enthalpy Control
FPT Freeze Protection Thermostat
HC Heater Contactor
HPS High-Pressure Switch
HR Heater Relay
IFC Indoor Fan Contactor
IP Internal Protector
L—Light
LOR Lockout Relay
LPS Low-Pressure Switch
MAT Mixed Air Thermostat
PL Plug Assembly
PRI Primary
RVR Reversing Valve Relay
SW Switch
TB Terminal Block
TC Thermostat, Cooling
TH Thermostat, Heating
TRAN Transformer
Terminal (Marked)
Terminal (Unmarked)
Terminal Block
Splice
Splice (Marked)
Factory Wiring
Field Control Wiring
Field Power Wiring
Accessory Wiring or Optional Wiring
Accessory
To indicate common potential only;
Not to represent wiring.
NEC National Electrical Code
15