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Legend for fig. 66-73 – Carrier NP034-074 User Manual

Page 57

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LEGEND FOR FIG. 66-73

ACC

Accessory

BP

Building Pressure

C

Contactor

CB

Circuit Breaker

CCB

Control Circuit Breaker

CF

Check Filter Switch

CLO

Compressor Lockout

COM

Common

COMM — Communication Plug
COMP — Compressor
COND

Condenser

CR

Control Relay

CS

Centrifugal Switch

CV

Constant Volume

DP

Duct Pressure

DPT

Discharge Pressure Transducer

DSIO

High-Voltage Relay Module

DU

Dummy

EC

Enthalpy Control

EQUIP — Equipment
FS

Fan Status Switch

FU

Fuse

GND

Ground

GR

Gas Relay

HHR

Hydronic Humidifier Relay

HIR

Heat Interlock Relay

HPS

High-Pressure Switch

HR

Heater Relay

HSIO

Keypad and Display Module

HV

High Voltage

HYD

Hydronic

I

Ignitor

ICP

Ignitor Control Pack

IDC

Induced Draft Contactor

IDM

Induced Draft Motor

IFC

Indoor (Evaporator) Fan Contactor

IFCB

Indoor (Evaporator) Fan Circuit Breaker

IFM

Indoor (Evaporator) Fan Motor

IGV

Inlet Guide Vanes

IGVM

Inlet Guide Vanes Motor

LPS

Low-Pressure Switch

LS

Limit Switch

LSR

Limit Switch Relay

MG

Main Gas

MGV

Main Gas Valve

MM

Head Control Pressure Device

MPER

Modulating Power Exhaust Relay

MV

Main Valve

NC

Normally Closed

NO

Normally Open

OFM

Outdoor (Condenser) Fan Motor

PCB

Power Exhaust Circuit Breaker

PEC

Power Exhaust Contactor

PEDM

Power Exhaust Damper Motor

PEM

Power Exhaust Motor

PG

Pilot Gas

PGV

Pilot Gas Valve

PIC

Processor-Integrated Controls

P, PL

Plug

PS

Power Supply (5 VDC)

PSIO

Processor Module

PV

Pilot Valve

PWR

Power

RES

Resistor

RFC

Return Fan Contactor

RFDM

Return Fan Damper Motor

RS

Rollout Switch

SEN,SN — Sensor
SPT

Suction Pressure Transducer

SW

Switch

TB

Terminal Block

TDO

Timed Discrete Output

TH

Thermostat

TRAN

Transformer

VLV

Valve

Field Wiring
Factory Wiring

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