Bryant Heat Pump Wiring Diagram and 33ZCRLYBRD Overview

Page 13

 

TB1

HC1

 

 

FIELD

 

 

 

 

 

L1

 

 

DISCONNECT

POWER

 

HTR1

L2

HC1

 

SUPPLY

 

 

L3

 

 

3-Ph ONLY

EQUIP GND

CIRCUIT BREAKER

 

 

 

 

 

 

 

 

 

 

 

(5 HP AND LARGER)

 

 

 

 

 

 

IFC

 

1

 

 

 

11

21 BLK

 

524A-H240

 

12

22

BLK

2

IFM

TERMINAL BLOCK

13

23

BLK

3

 

TB1

 

 

FIELD POWER

 

 

 

UNIT WIRING

 

 

 

 

RWIRING

 

Y1

 

 

 

524A-H

 

 

 

 

 

 

 

 

 

Y2

HEAT ACCESSORY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEAT PUMP “A”

 

W1

 

 

 

 

W1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W2

 

 

 

 

W2

 

 

 

 

 

TB2

 

 

 

 

 

 

 

WHT C1 IFC C2

 

 

C

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

WHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CR

 

X

 

 

 

 

 

R

 

 

 

 

Y1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y1

 

 

 

 

Y2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W1

 

 

 

 

W1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

W2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

CR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

TSTAT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEAT PUMP “B”

 

 

 

 

 

 

 

LEGEND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CR

Control Relay (Field-Supplied)

 

 

 

TB2

 

 

 

 

 

 

 

EQUIP — Equipment

 

 

 

R

 

 

 

 

 

 

 

 

GND

Ground

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HC

Heating Contactor

 

 

 

Y1

 

 

 

 

 

 

 

 

HTR

Electric Heater

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IFC

Indoor-Fan Contactor

 

 

 

Y2

 

 

 

 

 

 

 

 

IFM

Indoor-Fan Motor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TB

Terminal Block

 

 

 

W1

 

 

 

 

 

 

 

 

TSTAT — Thermostat

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Factory Wiring

 

 

 

W2

 

 

 

 

 

 

 

 

 

Field Control Wiring

 

 

 

G

 

 

 

 

 

 

 

 

NOTE: Use copper conductors only.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RELAY BOARD (33ZCRLYBRD)

GFAN

G2/(W)

 

(VALVE)

G3/(Y) HI(COOL) MED(HEAT)

COM

LO

Fig. 12 — Wiring Diagram — Duplex 575C120 With 524A-H240 and Electric Heat

13

Image 13
Contents Safety Considerations ContentsInstallation Complete PRE-INSTALLATION Checks GeneralMount Unit Locate Unit575C090,120 Unit Dimensions Unit Weight lb kg180 803 158 244Component Locations 541A180 Shown Refrigerant Physical Data 575B072, 575C090,120 and 541A180 UnitsCompressor Outdoor FansIII. Complete Refrigerant Piping Connections Vapor Line Piping Procedure Provide Safety ReliefMinimum Outdoor Air Operating Temperature Refrigerant Specialties Part NumbersIV. Complete Electrical Connections MCA Mocp Option RLA LRASEN LP/HPTstat GND EquipIFC IFMGND HTR Preliminary Checks PRE-START-UP→ Recommended Process for Checking for Leaks II. Preliminary ChargeIII. Liquid Line Solenoid III. Advanced Scroll Temperature Protection AstpIV. Accumulator START-UPIV. Compressor Lockout Device VII. Adjust Refrigerant ChargePreliminary OIL Charge 541A VI. Start UnitSequence of Operation IV. Duplex Units III A180 Units HeatingDuplex 575C120 Units with 524A-H240 See Fig Duplex 575C120 and 541A180 Units With 524A-H300 See FigRestart Service Compressor RemovalVI. Causes of Complete Unit Shutdown 541A180 Heating Mode Operation See Fig IV A180 Cooling Mode Operation See FigVI. Crankcase Heater VII. Outdoor Unit Fans575C090,120 Heating Mode Size 090 Shown Cleaning Standard Coils IX. Coil Cleaning and MaintenanceCleaning and Maintaining E-Coated Coils Pivot and Support Top Cover Coil Cleaning TypicalTroubleshooting Chart Heating Cycle CCH TXV Thermostatic Expansion ValveII. PRE-START-UP Outdoor Unit Preliminary InformationControls Indoor UnitCooling Heating III. START-UP

541A, 575B, 575C specifications

The Bryant 575B, 541A, and 575C heating and cooling units are part of the renowned Bryant lineup, designed to provide efficient and reliable climate control solutions for residential and commercial spaces. These models are particularly celebrated for their impressive performance, innovative technologies, and user-friendly operations.

Starting with the Bryant 575B, this model is a high-efficiency air conditioner that boasts a SEER rating of up to 20.5. It utilizes a variable-speed compressor that adjusts its output based on the temperature needs of the home, leading to enhanced energy savings and consistent indoor comfort. The 575B is equipped with a steel cabinet that resists corrosion and damage while also minimizing noise levels during operation. Additionally, its environmentally friendly R-410A refrigerant helps to reduce the system's ecological footprint.

Moving on to the Bryant 541A, this unit is a formidable gas furnace known for its exceptional heating capabilities. With an AFUE (Annual Fuel Utilization Efficiency) rating of up to 97.5%, the 541A efficiently transforms fuel into heat, ensuring lower energy bills during cold months. It incorporates advanced technologies such as a two-stage gas valve and a variable-speed blower motor, allowing it to respond dynamically to the heating demands of the home. The insulated cabinet construction further enhances energy efficiency by preventing heat loss and increasing comfort.

Lastly, the Bryant 575C model is a versatile heat pump that offers both heating and cooling functionalities, ideal for regions with moderate heating and cooling needs. It features a SEER rating of up to 20 and an HSPF (Heating Season Performance Factor) rating of up to 10.5, making it an energy-efficient choice year-round. The 575C comes with a streamlined design that integrates a variable-speed compressor, which helps maintain precise temperatures and minimizes energy consumption. Additionally, its quiet operation is enhanced by sound insulation, providing a serene indoor environment.

All three models are designed with durability in mind, featuring robust construction materials that withstand the elements. They can be easily integrated with smart thermostats, providing homeowners with greater control over their energy use. With exceptional efficiency ratings, durable designs, and advanced features, the Bryant 575B, 541A, and 575C represent a perfect blend of comfort and cutting-edge technology. Whether for heating or cooling, these units deliver outstanding performance to meet the needs of today's energy-conscious consumers.