Specifications

ManualsBrandsCarrier ManualsThermostatAPOLLO CONTROL 50HJQ004-016

LEGEND

NOTES FOR FIG. 1, 3 and 5

1. If any of the original wire furnished must be replaced, it must be

replaced with Type 90 C wire or its equivalent.

2. Thermostat:

HH07AT170, 172, 174, and P272-2783.

Subbase:

HH93AZ176, 178 and P272-1882, 1883.

3. Set heat anticipator at .8 amp for 1st stage and .3 amp for 2nd

stage.

4. Use copper conductors only.

5. Use copper, copper-clad aluminum or aluminum conductors.

NOTES FOR FIG. 2, 4, 6 and 7

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 phas-

ing conditions.

3. Thermostat:

HH07AT170, 172, 174, and P272-2783.

Subbase:

HH93AZ176, 178, and P272-1882, 1883.

4. Set heat anticipator at .8 amp for 1st stage and .3 amp for 2nd

stage.

5. Use copper conductors only.

6. Use copper, copper-clad aluminum or aluminum conductors.

AHA —

Adjustable Heat Anticipator

AWG —

American Wire Gage

C—

Contactor, Compressor

CAP —

Capacitor

CB —

Circuit Breaker

CC —

Cooling Compensator

CH, CCH —

Crankcase Heater

CLO —

Compressor Lockout

—

Carbon Dioxide

COC —

Cool Changeover Relay

COH —

Heat Changeover Relay

COM —

Common

COMMS —

Communications

COMP —

Compressor Motor

CR —

Control Relay

CTD —

Compressor Time Delay

D—

Diode

DAT —

Discharge Air Thermistor

DB —

Defrost Board

DFT —

Defrost Thermostat

DM —

Damper Motor

DR —

Defrost Relay

DX —

Direct Expansion

EC —

Enthalpy Control

ECON —

Economizer

EFC —

Exhaust Fan Contactor

EPS —

Emergency Power Supply

EQUIP —

Equipment

ER —

Economizer Relay

FC —

Fan Contactor

FPT —

Freeze Protection Thermostat

FSS —

Filter Status Switch

FU —

Fuse

GND —

Ground

HC —

Heater Contactor (Electric Heater)

HM —

Humidity Relay

HPS —

High-Pressure Switch

HR —

Heater Relay

HTR —

Heater

IAQ —

Indoor Air Quality

IFC —

Indoor-Fan Contactor

IFM —

Indoor-Fan Motor

IFMOVL —

Indoor-Fan Motor Overload Switch

LED —

Light Emitting Diode

LPS —

Low-Pressure/Loss-of-Charge Switch

LSM —

Limit Switch (Manual Reset)

LTLO —

Low Temp Cooling Lockout

MCA —

Minimum Circuit Amps

MGV —

Main Gas Valve

MTR —

Motor

NC —

Normally Closed

NEC —

National Electrical Code

NO —

Normally Open

OAT —

Outdoor-Air Thermostat

OATC —

Outdoor Air Thermostat (Cool)

OATH —

Outdoor Air Thermostat (Heat)

OCR —

Occupied Relay

OFC —

Outdoor-Fan Contactor

OFM —

Outdoor-Fan Motor

OLR —

Overload Relay

P, P L —

Plug

QT —

Quadruple Terminal

R—

Relay

RVS —

Reversing Valve Solenoid

SAT —

Supply-Air Thermostat

SW —

Switch

SW1 —

Switch, Fully Open

SW2 —

Switch, Fully Closed

SW3 —

Switch Minimum Vent Position

SW4 —

Switch Maximum Vent Position

TB —

Terminal Block

TC —

Thermostat, Cooling

TDR —

Time-Delay Relay

TH —

Thermostat, Heating

TRAN —

Transformer

VVT® —

Variable Volume/Variable Temperature

Field Splice

Terminal (Marked)

Marked Wire

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.

VOLTAG E

RATING

CB MUST

TRIP

AMPS

MFG. PT. NO.

24 V

Potter & Brumfield

3.2

W2BX-1024-3.2