Bryant 284ANV - User Manual

Installation Instructions
NOTE: Read the entire instruction manual before starting the installation.
This marker indicates a change from prior revision.
Table of contents
PAGE NO. PAGE NO.
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Inverter Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Step 1 – Check Equipment and Job Site . . . . . . . . . . . . . . . . . . . . . . . . 3
Unpack Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Inspect Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Step 2 – Install on a Solid, Level Mounting Pad . . . . . . . . . . . . . . . . . 3
Step 3 – Clearance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Step 4 – Operating Ambient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Step 5 – Elevate Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Step 6 – In Long-Line Applications, Install Liquid-Line Solenoid Valve
(LSV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Step 7 – Make Piping Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Table 1 – Refrigerant Connections and Recommended Liquid and Va-
por Tube Diameters (in.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 2 – Accessory Usage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Outdoor Unit Connected to Factory-Approved Indoor Unit . . . . 6
Install Liquid-Line Filter Drier Indoor . . . . . . . . . . . . . . . . . . . . . 6
Refrigerant Tubing connection Outdoor. . . . . . . . . . . . . . . . . . . . 6
No Installation of Adapter Tube . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Sweat Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Evacuate Refrigerant Tubing and Indoor Coil . . . . . . . . . . . . . . . 6
Deep Vacuum Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Final Tubing Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Step 8 – Make Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . 7
Route Ground and Power Wires . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Connect Ground and Power Wires . . . . . . . . . . . . . . . . . . . . . . . . 7
Connect Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Final Wiring Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Step 9 – Compressor Stator Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Airflow Setup for Evolution Control Furnace or FE Fan Coil (commu-
nicating) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Step 10 – Install Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Step 11 – Start-Up & Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Follow these steps to properly start up the system: . . . . . . . . . . . 8
Step 12 – Heating Check Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Step 13 – Pumpdown & Evacuation . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Evacuation and Recovery of Refrigerant from within 284ANV 11
Step 14 – System Functions and Major Components . . . . . . . . . . . . . 12
Primary Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Utility Interface With Evolution Control . . . . . . . . . . . . . . . . . . 12
Evolution Control, Green Communications (COMM) Light . . . 12
Amber Status Light. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5x7 LED Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
VFD Communications Light . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Bluetooth® Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Variable Frequency Drive (VFD). . . . . . . . . . . . . . . . . . . . . . . . 14
Table 3 – VFD LED Indicator Functions . . . . . . . . . . . . . . . . . . . . 14
Input Filter Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Reactors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Variable Speed Compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Time Delays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Heating Electronic Expansion Valve (EXV-H) . . . . . . . . . . . . . 15
Vapor Injection Electronic Expansion Valve (EXV-VI) . . . . . . 15
BLDC Inverter-Controlled Fan Motor . . . . . . . . . . . . . . . . . . . . 15
Pressure Equalization Valve (PEV) . . . . . . . . . . . . . . . . . . . . . . 15
High Pressure Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Outdoor Pressure Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Stator Heater Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Evolution Controlled low ambient cooling. . . . . . . . . . . . . . . . . 15
Defrost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Systems Communication Failure . . . . . . . . . . . . . . . . . . . . . . . . 16
Model Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 4 – Model Plug Information . . . . . . . . . . . . . . . . . . . . . . . . . 16
Pressure Switch Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Compressor Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Line Voltage Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Forced Defrost Pins (J9) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Temperature Thermistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 5 – Resistance Values versus Temperature . . . . . . . . . . . . . 16
Table 6 – ODT Resistance Values versus Temperatures . . . . . . . . 16
Outdoor Air Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Outdoor Coil Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Suction Thermistor (OST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Discharge Thermistor (ODT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Failed Thermistor Default Operation . . . . . . . . . . . . . . . . . . . . . 17
Variable Speed Compressor Winding Resistance . . . . . . . . . . . 17
Table 7 – Variable Speed Compressor Resistances
(winding resistance at 68°F? (20°F) . . . . . . . . . . . . . . . . . . . . . . . . 17
Fan Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Status Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Status Code Recall Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Emergency Mode Connections with a Conventional Thermostat18
Table 8 – Fault Code Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 9 – Malfunction Lockout Durations . . . . . . . . . . . . . . . . . . . 21
FINAL CHECKS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
CARE AND MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . 22
284ANV
Evolution™ Extreme Variable Speed Heat Pump
with Puron® Refrigerant
2 to 5 Nominal Tons

Summary

Safety and Installation Guidelines

Hazard Warnings and Precautions

Covers electrical, explosion, cut hazards, and high voltage precautions.

Installation Recommendations

Guidance on unit placement to minimize noise and ensure proper operation.

Installation Setup and Clearances

Equipment Damage Hazard and Site Prep

Warns against lineset damage and covers site check and mounting.

Mounting Pad and Clearance Requirements

Details on installing on a pad and required clearances for operation and service.

Operating Conditions and Piping

Ambient Limits and Unit Elevation

Specifies operating ambient temperatures and elevation requirements.

Long-Line Piping and Solenoid Valve

Instructions for installing LSV in long-line applications and piping connection safety.

Unit Specifications and Accessories

Refrigerant Tube Diameter Guide

Table for recommended liquid and vapor tube diameters based on unit size.

Accessory Usage Matrix

Table indicating accessory requirements for different application types.

Refrigerant System Connections

Indoor Filter Drier Installation

Step-by-step guide for installing the liquid-line filter drier indoors.

Outdoor Tubing, Sweat Connections, and Evacuation

Instructions for outdoor tubing, safe sweat connections, and system evacuation.

Electrical Connections and System Control

Electrical Safety and Wiring Practices

Covers electrical hazards, grounding, wire routing, and control wiring.

Compressor Stator Heat and Airflow Setup

Details on stator heating and configuring airflow for Evolution controls.

System Startup and Refrigerant Charging

Startup Safety and Operating Cautions

Essential safety precautions for unit operation during startup and charging.

Guided Refrigerant Charging Process

Step-by-step instructions for starting the unit and using the UI for charging.

Refrigerant Charging Interface Screens

Subcooling Method Selection and Target

Using the UI to select subcooling, view targets, and monitor charging progress.

Refrigerant Charging Data Input

Line Set and Diameter Configuration

Inputting line set details for accurate charging calculations and heating charge checks.

Pumpdown and Evacuation Procedures

Pumpdown Operation with EXV Control

Using the UI for pumpdown, managing EXV for isolation and evacuation.

System Components and Communication

Primary Control Module (PCM) Overview

Details the PCM's functions, inputs, outputs, and sensor roles.

Evolution Control System Features

Explains utility interface and the COMM light for system communication.

Control Board Diagrams and Indicators

Variable Speed and Primary Control Boards

Diagrams illustrating the layout and connections of control boards.

System Status and Module Information

Status Lights, LED Matrix, and VFD Indicators

Interpreting status lights, LED matrix, and VFD indicator LEDs for diagnostics.

Bluetooth Module Activation and VFD Details

Activating the Bluetooth module and understanding VFD functions.

Key System Components and Operation

Compressor, EXVs, and Fan Motor

Details on compressor, EXVs, PEV, fan motor, and related hazards.

Sensors, Stator Heater, and Defrost

Information on pressure transducers, sensors, stator heater, low ambient cooling, and defrost cycles.

Troubleshooting and System Monitoring

Communication Failures and Model Plug

Diagnosing communication issues and the importance of the model plug.

Pressure Protection and Compressor Control

Explains high pressure switch, compressor protection, and line voltage monitoring.

Temperature Sensors and Forced Defrost

Discusses thermistors, their role, and the use of forced defrost pins.

Sensor Functionality and Component Checks

Coil, Suction, and Discharge Thermistors

Details on OCT, OST, ODT sensors, their placement, and failed thermistor operation.

Compressor Resistance and Fan Motor

Procedure for checking compressor winding resistance and fan motor information.

Status Codes and Emergency Operation

Interpreting Amber Status Light Codes

How to read status codes indicated by the amber status light.

Status Code Recall and Emergency Mode Wiring

Recalling status codes and wiring for conventional thermostat emergency operation.

Fault Code Reference Table

Table 8 - Fault Code Table

Comprehensive listing of fault codes and their descriptions.

Fault Code Reference (Continued)

Table 8 - Fault Code Table (Continued)

Continuation of the fault code table with additional error codes and descriptions.

Malfunction Lockout Durations

Table 9 - Malfunction Lockout Durations

Table detailing lockout durations for various system malfunctions.

Final Checks and Maintenance

Pre-Departure Installation Checklist

Essential final checks on wiring, tubing, panels, and valve caps.

Ongoing Maintenance and Training Resources

Emphasizes periodic maintenance and provides information on training programs.

Bryant 284ANV Specifications

General

Brand	Bryant
Model	284ANV
Category	Heat Pump
Language	English