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Bryant EVOLUTION V 189BNV Series User Manual

Bryant EVOLUTION V 189BNV Series
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189BNV EVOLUTION
R
V
VARIABLE SPEED AIR CONDITIONER
WITH PURONr REFRIGERANT
Installation Instructions
NOTE: Read the entire instruction manual before starting the installation.
TABLE OF CONTENTS
PAGE NO.
SAFETY CONSIDERATIONS 2......................................................................
INSTALLATION RECOMMENDATIONS 2............................................................
INSTALLATION 3..................................................................................
Step 1 Check Equipment and Job site 3.........................................................
Step 2 Install on Solid, Level Mounting Pad 3....................................................
Step 3 Clearance Requirements 3..............................................................
Step 4 Operating Ambient 4..................................................................
Step 5 Elevate Unit 4.......................................................................
Step 6 Making Piping Connections 4...........................................................
Step 7 Make Electrical Connections 5...........................................................
Step 8 Compressor Internal Crankcase Heater 8...................................................
Step 9 Install Accessories 8...................................................................
Step 10 Start-- Up 8..........................................................................
Step 11 System Functions and Sequence of Operation 10.............................................
Step 12 Check Charge 10......................................................................
Step 13 Pumpdown & Evacuation 13.............................................................
MAJOR COMPONENTS 13...........................................................................
TROUBLESHOOTING 14.............................................................................
FINAL CHECKS 20..................................................................................
CARE AND MAINTENANCE 20.......................................................................
PURONr REFRIGERANT QUICK REFERENCE GUIDE 20...............................................
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Bryant EVOLUTION V 189BNV Series Specifications

General IconGeneral
Voltage208/230V
TypeAir Conditioner
EER RatingUp to 13.5 EER
Compatible Indoor UnitsEvolution System
RefrigerantR-410A
Communication ProtocolBryant EVOLUTION Connex

Summary

Safety Considerations

Safety Considerations

General safety advice, hazard symbols, and signal words (DANGER, WARNING, CAUTION).

Installation Recommendations

Installation Recommendations

Guidelines for optimal installation to prevent noise and ensure proper operation.

Installation Steps

Step 1 Check Equipment and Job Site

Inspecting the unit and confirming the job site suitability before installation.

Step 2 Install on a Solid, Level Mounting Pad

Proper mounting of the unit on a stable and level base.

Step 3 Clearance Requirements

Maintaining adequate space around the unit for airflow, service, and wiring.

Step 4 Operating Ambient

Understanding outdoor temperature limits for system operation and potential capacity reduction.

Step 5 Elevate Unit

Advice on elevating the unit for drainage and protection from environmental factors.

Step 6 Make Piping Connections

Procedures for connecting refrigerant lines, including material and size recommendations.

Step 7 Make Electrical Connections

Guidance on connecting power and control wiring according to codes and unit specifications.

Step 8 Compressor Internal Crankcase Heater

Information on the compressor's internal crankcase heater and its power requirements.

Step 9 Install Accessories

Notes on installing optional accessories like support feet or snow racks.

Step 10 Start-Up

Procedures for safely starting up the system after installation.

Step 11 System Functions and Sequence of Operation

Explanation of how the system operates with different thermostat types and its functional sequences.

Step 12 Check Charge

Methods for verifying and adjusting refrigerant charge using the User Interface.

Step 13 Pumpdown & Evacuation

Procedures for safely recovering refrigerant and evacuating the system.

Major Components

Variable Speed Control Board

Details on the function and location of the Application Operational Control (AOC) board.

Inverter

Description of the inverter's role in driving the compressor and fan motor.

Troubleshooting

Systems Communication Failure

Troubleshooting steps for loss of communication between the unit and the User Interface.

Model Plug

Importance of the model plug for system identification and operation.

Field Control Connections

Guidance on connecting communication and thermostat wires for different system types.

Pressure Transducer (SPT)

Role of the low-pressure transducer in system monitoring and protection.

Pressure Equalizer Valve (PEV)

Function of the PEV in equalizing pressure for reliable compressor starts.

Pressure Switch Protection

How the system responds to high-pressure switch events and lockouts.

Brown-Out Protection

System behavior and protection during low voltage (brown-out) conditions.

230V Line (Power Disconnect) Detection

How the control board detects 230V presence and absence.

Variable Speed Compressor Winding Resistance

Procedure for measuring compressor winding resistance to diagnose faults.

Fan Motor

Steps to verify fan motor operation by measuring resistance.

Status Codes

Explanation of amber LED status codes for diagnosing system faults.

Final Checks

Final Checks

A checklist of essential final inspections before leaving the job site.

Care and Maintenance

Care and Maintenance

Guidelines for periodic maintenance to ensure optimal performance and longevity.

Puron Refrigerant Quick Reference Guide

Puron® (R-410A) Refrigerant Quick Reference Guide

Key information and precautions for working with Puron refrigerant.

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