Typical Wiring Schematics—50Tfq - Carrier 50HJQ004-016 Product Data
Single-package rooftop standard and high efficiency heat pump units
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TYPICAL WIRING SCHEMATICS—50TFQ
(50TFQ008- -012- -- -460V SHOWN)
C
— Contactor, Compressor
CAP
— Capacitor
COMP — Compressor Motor
DFT
— Defrost Thermostat
EQUIP — Equipment
FPT
— Freeze Protection Thermostat
GND
— Ground
HC
— Heater Contactor
HPS
— High-Pressure Switch
HR
— Heater Relay
IAQ
— Indoor Air Quality Sensor
IARH
— Indoor Air Relative Humidity Sensor
IFC
— Indoor Fan Contactor
IFM
— Indoor Fan Motor
IFMOVL — Indoor Fan Motor Overload
LPS
— Low-Pressure Switch
LSM
— Limit Switch (Manual Reset)
OARH
— Outdoor Air Relative Humidity Sensor
LEGEND
OAT
— Outdoor-Air Thermostat
OFC
— Outdoor Fan Contactor
OFM — Outdoor Fan Motor
P
— Plug
— Plug Assembly
PL
POT
— Potentiometer
QT
— Quadruple Terminal
RAT
— Return Air Temperature Sensor
RSV
— Reversing Valve
SAT
— Supply-Air Thermostat
SEN
— Sensor
TRAN — Transformer
Field Splice
Marked Wire
Terminal (Marked)
67
Terminal (Unmarked)
Terminal Block
Splice
Splice (Marked)
Factory Wiring
Field Control Wiring
Field Power Wiring
Accessory or Optional Wiring
To indicate common potential only.
Not to represent wiring.
C06075
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