Table of Contents
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284ANV
Evolution™ Extreme Variable Speed Heat Pump
with Puron® Refrigerant
2 to 5 Nominal Tons
NOTE: Read the entire instruction manual before starting the installation.
This marker indicates a change from prior revision.
Table of contents
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
(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
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
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
Step 14 - System Functions and Major Components . . . . . . . . . . . . . 12
Primary Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Utility Interface With Evolution Control . . . . . . . . . . . . . . . . . . 12
Amber Status Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Installation Instructions
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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
Table 8 - Fault Code Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 9 - Malfunction Lockout Durations . . . . . . . . . . . . . . . . . . . 21
FINAL CHECKS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
CARE AND MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . 22
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Related Manuals for Bryant 284ANV
Summary of Contents for Bryant 284ANV
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Page 1: Table Of Contents
Status Codes ........17 Evacuation and Recovery of Refrigerant from within 284ANV 11 Status Code Recall Mode . -
Page 2: Safety Considerations
284ANV: Installation Instructions SAFETY CONSIDERATIONS WARNING Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which ELECTRICAL HAZARD - HIGH VOLTAGE! may cause death, personal injury, or property damage. Consult a Failure to follow this warning could result in personal injury or death. -
Page 3: Installation
Conditioners and Heat Pumps Using Puron Refrigerant for wind baffle section of this instruction. construction. IMPORTANT: Liquid-line size is 3/8-in. OD for all 284ANV NOTE: Unit must be level to within ±2° (±3/8 in./ft,±9.5 mm/m.) per applications including long line applications. -
Page 4: Step 4 - Operating Ambient
For tubing requirements beyond 80 ft. (24.38 m), substantial capacity and performance losses can occur. Follow the pipe sizing recommendations in the 284ANV Product data to manage these losses. Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. - Page 5 284ANV: Installation Instructions Refer to Table 1 for field tubing diameters. Refer to Table 2 accessory requirements. Table 1 – Refrigerant Connections and Recommended Liquid and Vapor Tube Diameters (in.) LIQUID VAPOR* UNIT SIZE Connection Tube Connection Max (Rated) Minimum Tube...
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Page 6: Outdoor Unit Connected To Factory-Approved Indoor Unit
284ANV: Installation Instructions Outdoor Unit Connected to Factory-Approved Indoor Refrigerant Tubing connection Outdoor Unit Connect vapor tube to fitting on outdoor unit vapor service valves (see Table Outdoor unit contains correct system refrigerant charge for operation with factory-approved, AHRI-rated smallest indoor unit... -
Page 7: Final Tubing Check
External to the unit, the same accessories such as the liquid line solenoid, support feet, snow rack, FIELD GROUND wind baffle etc., are available on other Bryant units can also be used on WIRING GROUND this line of product. -
Page 8: Step 11 - Start-Up & Charging
284ANV: Installation Instructions Step 11 – Start-Up & Charging Follow these steps to properly start up the system: 1. After system is evacuated, close the disconnects to energize indoor CAUTION unit, outdoor unit, and User Interface (UI). Do not attempt to operate the system in heating or cooling mode at this time. - Page 9 284ANV: Installation Instructions 5. If the outdoor ambient temperature is between 65°F and 105°F and the indoor temperature is between 65°F and 80°F then select "subcool" (See Fig. 12). 6. The next screen will show the target subcooling that should be attained while charging (see Fig.
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Page 10: Step 12 - Heating Check Charge
284ANV: Installation Instructions A20035 A20039 Fig. 16 – Select Line Set Length & Vapor Line Diameter Fig. 20 – Total Charge Required for a Complete Charge Step 12 – Heating Check Charge In heating mode, the required charging method is by weigh-in. On new... -
Page 11: Step 13 - Pumpdown & Evacuation
284ANV: Installation Instructions Step 13 – Pumpdown & Evacuation Evacuation and Recovery of Refrigerant from within 284ANV Because this system has an inverter controlled compressor and EXV the conventional procedure cannot be used to "pump down" and isolate the Because this system has an EXV for the heating expansion device, refrigerant into the outdoor unit. -
Page 12: Step 14 - System Functions And Major Components
Utility Interface With Evolution Control The utility curtailment relay should be wired between the two UTIL The 284ANV models utilize an Evolution Communicating User connections on the control board for this Evolution Communicating Interface (UI). When a demand for cooling or heating exists, the wall System (see Fig. - Page 13 284ANV: Installation Instructions Fig. 25 – Variable Speed Control Board with optional Utility Relay A200049 Status LED (Yellow) CCN Communication LED (Green) VFD LED (Red / Green) VFD-PCM Communication Port A200044 Fig. 26 – Primary Control Board Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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Page 14: Amber Status Light
DC voltage greater than 40V is present. 1. Download the app Blinks when the VFD receives a message – Search the App Store™ or Google Play™ for Bryant Service Green from PCM. Technician to download. The app is available on phone and tablet On when VFD is in normal status. -
Page 15: Input Filter Board
284ANV: Installation Instructions Pressure Equalization Valve (PEV) WARNING The PEV is located at the discharge of the compressor and the inlet to the accumulator. The purpose of the PEV is to prevent the compressor from ELECTRICAL HAZARD - HIGH VOLTAGE starting with a high pressure differential, which can cause compressor Failure to follow this warning could result in personal injury or death. -
Page 16: Troubleshooting
284ANV: Installation Instructions Troubleshooting the list of fault codes and Table 9 for the list of malfunctions and the lockout times for each one. Systems Communication Failure Forced Defrost Pins (J9) If communication with the Evolution control is lost with the User The forced defrost pins have several functions. -
Page 17: Outdoor Coil Thermistor
284ANV: Installation Instructions Outdoor Coil Thermistor CAUTION The outdoor coil thermistor is a 10Kohm resistor used for multiple system operations. It provides the coil/liquid line temperature to the EQUIPMENT DAMAGE HAZARD primary control module and user interface. It is used for low ambient... -
Page 18: Status Code Recall Mode
284ANV: Installation Instructions Emergency Mode Connections with a Conventional Table 8 shows the status codes flashed by the amber status light. Most system problems can be diagnosed by reading the status code as flashed Thermostat by the amber status light on the control board. - Page 19 284ANV: Installation Instructions Table 8 – Fault Code Table Code* Description Expansion Base Fault** Malfunction*** Systen Control Upgrade Recomended Line Voltage Low Line Voltage High PCM-Bluetooth Module Communication Failure Indoor Coil Freeze Protection 5V PCM External Power Out of Range...
- Page 20 284ANV: Installation Instructions Table 8 – Fault Code Table (Continued) Code* Description Expansion Base Fault** Malfunction*** EXV-H Phase Open EXV-H Power Short to Ground EXV-H Phase Short to Ground EXV-VI Phase Open EXV-VI Power Short to Ground EXV-VI Phase Short to Ground...
- Page 21 284ANV: Installation Instructions Table 9 – Malfunction Lockout Durations (Continued) Table 9 – Malfunction Lockout Durations Code Title Time Code Title Time 64-41 EXV-H Phase Open Duration of Event 24-58 5V PCM External Power Out of Range Duration of Event...
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Page 22: Final Checks
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Bryant is under license. Other trademarks and trade names are those of their respective owners. Edition Date: 02/2021 ©2020 Carrier Corp.
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