Carrier Bryant Evolution Extreme 186CNV - User Manual

Service Manual
Table of contents
PAGE NO. PAGE NO.
UNIT IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
ELECTRICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Aluminum Wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
ELECTRICAL SYSTEM OVERVIEW . . . . . . . . . . . . . . . . . . . . 3
Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Compressor / Fan Sub-System . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Variable Frequency Drive (VFD) . . . . . . . . . . . . . . . . . . . . . . . . 5
VFD Filter Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Reactors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
High Pressure Switch (HPS). . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Compressor Brushless Permanent Magnet Motor (BPM) . . . . . 5
VFD + Compressor BPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Fan Brushless Permanent Magnet Motor (BPM) . . . . . . . . . . . . 5
VFD + Fan BPM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Crankcase Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
CONTROL SUB-SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Primary Control Module (PCM). . . . . . . . . . . . . . . . . . . . . . . . . 5
Control Connection (Communicating and Non-Communicating). 6
Communicating Evolution Control. . . . . . . . . . . . . . . . . . . . . . . 6
Non-Communicating Control . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 1 – DIP Swtich Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
PCM Indicators and Matrix Display . . . . . . . . . . . . . . . . . . . . . . 6
Model Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Thermistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Pressure Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
VFD Control Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Pressure Equalization Valve (PEV) . . . . . . . . . . . . . . . . . . . . . . 8
Reversing Valve (RVS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Heating Electronic Expansion Valve (EXV-H) . . . . . . . . . . . . . 8
Bluetooth® Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Accessory Control Components. . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Utility Curtailment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Liquid Line Solenoid Valve (LLS) . . . . . . . . . . . . . . . . . . . . . . . 8
CONTROL FEATURES AND OPERATION . . . . . . . . . . . . . . . . . . 9
Equipment Configuration (Model Plug) . . . . . . . . . . . . . . . . . . . . 9
Performance Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Compressor Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Compressor Protect Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Running. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Compressor Reliability Protection . . . . . . . . . . . . . . . . . . . . . . . 9
Sump Heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Fan Operation . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . 9
Intermittent Low Fan Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Fan Operating Exceptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Cooling Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Heating Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Super Heat Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Defrost Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Defrost Interval. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Defrost Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
PCM Indicators and Display Operation. . . . . . . . . . . . . . . . . . . . 10
Status Light. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Comm Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
VFD Comm Light. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Matrix Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Reprogrammability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
VFD LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Table 2 – VFD LED Indicator Functions . . . . . . . . . . . . . . . . . . 11
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
TROUBLESHOOTING CONTROL FEATURES . . . . . . . . . . . 12
SYSTEM DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Table 3 – Model Plug Information. . . . . . . . . . . . . . . . . . . . . . . . 13
COMPONENT DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . 13
Table 4 – Variable Speed Compressor Resistances (ohm)
(winding resistance at 68°F /20°C) . . . . . . . . . . . . . . . . . . . . . . . 14
Table 5 – DC Voltage and PWM Measurement . . . . . . . . . . . . . 14
Table 6 – Thermistor Resistance (k-ohms) vs. Temperature. . . . 14
DIAGNOSTIC CODES AND TROUBLESHOOTING . . . . . . . 17
Table 7 – Fault Code Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
REFRIGERATION SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Compressor Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Servicing Systems on Roofs With Synthetic Materials. . . . . . . . 35
Synthetic Roof Precautionary Procedure . . . . . . . . . . . . . . . . . 35
Brazing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Service Valves and Pumpdown . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Pumpdown & Evacuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Pump Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Evacuation and Recovery of Refrigerant from 284ANV . . . . . 36
Reversing Valve (284ANV) . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Liquid Line Filter Drier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Install Liquid-line Filter Drier Indoor. . . . . . . . . . . . . . . . . . . . 37
Suction Line Filter Drier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Thermostatic Expansion Valve (TXV) . . . . . . . . . . . . . . . . . . . . 37
TXV Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Accumulator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Vapor Injection Operation (5 Ton Models) . . . . . . . . . . . . . . . . . 38
Vapor Injection Electronic Exp. Valve (EXV VI)
(5 Ton Models) . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . 39
REFRIGERATION SYSTEM REPAIR. . . . . . . . . . . . . . . . . . . . . . 39
Leak Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Coil Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
186CNV / 284ANV
Evolution™ Extreme
Variable Speed Air conditioner and Heat Pump
2 to 5 Nominal Tons

Summary

Unit Identification and Model Structure

Model Number Nomenclature Explained

Details the 16-digit model number structure for unit identification.

Serial Number Nomenclature

Explains the structure of the serial number for equipment identification.

Safety Considerations for Installation and Service

General Safety Precautions and Warnings

General safety guidelines for handling HVAC equipment and electrical components.

Electrical and High Voltage Hazard Warnings

Warnings regarding electric shock, high voltage, and sharp edges.

Puron System Operation and Safety Hazards

Hazards associated with Puron® systems and refrigerant handling.

General Information on Evolution Extreme System

System Overview and Technology Features

Overview of the Evolution Extreme's variable speed technology and components.

Electrical System Overview and Safety

Electrical Shock Hazard Warning and Precautions

Warning to shut off power before servicing electrical components.

Aluminum Wire Usage Guidelines

Recommendations for using aluminum wire in branch circuits.

Electrical System Components Overview

Overview of the main electrical components: Terminal Block, Transformer, Sub-systems.

Variable Frequency Drive (VFD) Sub-System Diagram

VFD Sub-System Connection Diagram

Wiring diagram showing VFD, PCM, and other component connections.

VFD LED Indicator Functions

Table describing the function of VFD LED indicators.

Variable Frequency Drive (VFD) Operation and Components

VFD Filter Board and Reactor Functionality

Explanation of the VFD filter board and reactors in the power circuit.

High Pressure Switch (HPS) Operation

How the HPS protects the compressor and system from overpressure.

Compressor and Fan Brushless Motor (BPM) Operation

Details on BPM motors and their speed control via VFD.

Crankcase Heater Functionality

Explanation of the crankcase heater's role in preventing refrigerant pooling.

Control Sub-System and Primary Control Module (PCM)

Primary Control Module (PCM) Overview

The PCM as the central control unit, receiving sensor signals and controlling actuators.

PCM Sensors, Actuators, and Diagnostics

List of sensors, actuators managed by PCM, and its diagnostic capabilities.

Control Connections: Communicating and Non-Communicating

Communicating Evolution Control Wiring

Details on the 2-wire connection for communicating Evolution Control.

Non-Communicating Control Wiring and DIP Switches

Wiring for non-communicating systems and DIP switch settings.

PCM Indicators: Status, Comm, and VFD Comm Lights

Meaning of Status, Comm, and VFD Comm indicator lights on the PCM.

PCM Control Board Component Identification

PCM Wiring Terminals and Connectors Diagram

Diagram showing PCM terminals for VFD, sensors, EXVs, and controls.

PCM LED Indicators and Communication Ports

Location of Status LED, CCN Communication LED, and VFD LED.

Model Plug and Thermistor Identification

Model Plug Function for Equipment Configuration

Model plug's role in identifying equipment type and size to the PCM.

Thermistor Sensor Identification and Function

Description of the four thermistors used for temperature sensing.

Pressure Sensor Identification and Function

Description of the two pressure transducers used for pressure sensing.

VFD Control Connection Details

Details on the 6-wire connection between PCM and VFD.

PEV, RVS, and EXV-H Valve Operations

Function of PEV, RVS, and EXV-H valves in system control.

Bluetooth Module and Accessory Control Components

Bluetooth module and accessory controls like Utility Curtailment and LLS.

Control Features and Operation Modes

Equipment Configuration via Model Plug

PCM's use of the model plug for equipment configuration.

Performance Mode Selection (Efficiency vs. Comfort)

Selection between Efficiency and Comfort modes for optimal operation.

Compressor Operation and Protection

Details on compressor start, run, and reliability protection features.

Sump Heat and Fan Operation

Sump heat for reliability and fan operation, including low speed exceptions.

Cooling, Heating, and Super Heat Control

Operational parameters for cooling, heating, and super heat control.

Defrost Mode Operation (HP Models)

Function of defrost mode to remove frost from outdoor coil.

Defrost Interval Settings and Auto Mode

Defrost Interval Definition and Settings

Explanation of defrost interval and available settings (30-120 min, Auto).

Auto Mode Defrost Interval Adjustment Logic

How auto mode adjusts defrost interval based on previous cycle.

Defrost Process Steps and Termination

Step-by-step process of the defrost cycle initiation and termination.

PCM Indicators and Display Operation

Status Light and Comm Light Functions

Meaning of Status and Comm indicator lights on the PCM.

VFD Comm Light and Matrix Display Operation

VFD communication status and diagnostic code display.

Reprogrammability of PCM and VFD Software

Procedures for updating PCM and VFD software.

Variable Frequency Drive (VFD) LED Indicators

VFD LED Identification and Functions Table

Table detailing the meaning of each VFD LED indicator.

VFD LED Location Diagrams by Tonnage

Diagrams showing LED locations on different VFD models.

Troubleshooting Control Features and Diagnostics

Diagnostics Display on PCM and System Control

How active diagnostics are displayed on the PCM and UI screen.

Multi-Function Forced Defrost Input (J3) Functions

Functions of the Forced Defrost input: forcing defrost, override, recall.

Forced Defrost and Compressor Protect Delay Override

Procedures for initiating defrost and overriding compressor delay.

Diagnostic Code Recall Mode Procedure

Procedure to enter and use Diagnostic Code Recall mode.

System Diagnostics: 24 VAC Power Distribution

Diagram and caution for 24VAC power distribution and connections.

24 VAC Power Distribution Diagram and Communication

Communication Loss with Evolution Control Behavior

Indication and behavior when communication with Evolution Control is lost.

Equipment Configuration (Model Plug) Hazard

Caution regarding incorrect model plug installation.

Model Plug Resistance Values Table

Table of model plug numbers and their corresponding pin resistances.

High Pressure Switch Protection Logic

How the system responds to a high pressure switch trip.

High Pressure Protection Control Actions

System response to high pressure conditions and lockout.

Low Pressure Protection Control Actions

System response to low pressure conditions and lockout.

Component Diagnostics and Resistance Checks

Variable Speed Compressor and Fan Resistance

Table of resistance values for compressor windings and fan motor.

Fan Motor Connections and Voltage;PWM Measurement

Diagram and table for fan motor connections and measurements.

Thermistor Sensor Resistance vs. Temperature Table

Table correlating thermistor resistance with temperature.

Outdoor Ambient Temperature (OAT) Thermistor

Location and function of the OAT thermistor.

Outdoor Coil Temperature (OCT) Thermistor

Location and function of the OCT thermistor for defrost control.

Outdoor Coil Thermistor (OCT) Location Details

OCT Sensor Failure Behavior

How system operates if OCT sensor fails.

Outdoor Discharge Temperature (ODT) Thermistor

Location and function of ODT thermistor for superheat and over-temp protection.

ODT Sensor Failure Behavior

How system operates if ODT sensor fails.

Outdoor Suction Temperature (OST) Thermistor (284 ANV Only)

Location and function of OST thermistor for suction superheat.

OST Sensor Failure Behavior

How system operates if OST sensor fails.

Pressure Sensor Identification and Function

Description of SPT and DPT, their ranges, and PCM connections.

Electronic Expansion Valve (EXV) Operation and Wiring

EXV Coil Resistance Specifications

Resistance range for EXV coils.

284 ANV EXV 5-wire Harness Diagram

Wiring diagram for the 284ANV 5-wire EXV harness.

186 CNV;284 ANV 060 EXV 6-wire Harness Diagram

Wiring diagram for the 6-wire EXV harness used on specific models.

Bluetooth Module for Service Communication

Bluetooth Module Functionality and Connection

How the Bluetooth module collects data and connects to PCM.

Diagnostic Codes: System Control Upgrade Needed

Explanation of codes 13-53 and 13-82 for system control software.

Diagnostic Codes: Line Voltage Issues

Explanation of codes 14-94 (Low) and 15-94 (High) for line voltage.

Diagnostic Code: PCM-Bluetooth Module Communication Failure

Explanation of code 17-06 for communication failure.

Diagnostic Code: Indoor Coil Freeze Protection

Explanation of code 18-11 for indoor coil freeze protection.

Diagnostic Code: 5 V PCM Power Out of Range Lockout

Explanation of code 24-58 related to 5V PCM power.

Diagnostic Codes: Model Plug Issues

Explanation of codes 25-22 and 25-62 for missing model plugs.

Diagnostic Codes for Model Plug and System Faults

Diagnostic Code: Model Plug Changed

Explanation of code 25-24 for a changed model plug.

Diagnostic Code: Invalid Model Plug Lockout

Explanation of code 25-61 for an invalid model plug.

Diagnostic Codes: VFD System Lockout - Model Mismatch

Explanation of code 25-63 for VFD and model plug mismatch.

Diagnostic Code: PCM MCU Old Version

Explanation of code 26-26 for an outdated PCM.

Diagnostic Code: PCM Reprogramming Failure

Explanation of code 26-27 for PCM reprogramming issues.

Diagnostic Code: External EEPROM Write Failure

Explanation of code 26-31 for EEPROM write failure.

Diagnostic Codes: Fuse Open Lockouts

Explanation of codes 28-71 and 28-72 for open fuses.

Diagnostic Codes: Compressor High Pressure Limiting

Explanation of codes 31-11 and 31-58 for high pressure.

Diagnostic Code: High Pressure Switch Shutdown

Explanation of code 31-16 for high pressure switch trip.

Diagnostic Code: High Pressure Disable

Explanation of code 31-19 for high pressure disable.

Diagnostic Codes: Compressor Low Suction Shutdown

Explanation of codes 32-15 and 32-55 for low suction.

Diagnostic Code: Low Pressure Lockout

Explanation of code 32-59 for low pressure lockout.

Diagnostic Codes: Compressor Discharge Issues

Diagnostic Codes: Compressor Low Discharge Shutdown

Explanation of codes 33-15 and 33-55 for low discharge.

Diagnostic Codes: Compressor High Temp Limiting

Explanation of codes 34-11 and 34-58 for high temperature.

Diagnostic Codes: Compressor High Compression Limiting

Explanation of codes 35-11 and 35-58 for high compression.

Diagnostic Codes: Compressor Low Compression Shutdown

Explanation of codes 36-15 and 36-55 for low compression.

Diagnostic Codes: VFD Compressor Fault - Start Fail

Explanation of codes 38-13 and 38-53 for VFD start failures.

Diagnostic Code: High Diff Pressure Start Disable

Explanation of code 38-18 for high differential pressure start disable.

Diagnostic Codes: VFD Compressor Fault - Estimator

Explanation of codes 38-31 and 38-71 for VFD estimator errors.

Diagnostic Code: Compressor No Pump Lockout

Explanation of code 38-54 for compressor not pumping.

Fan Motor Faults General Information

General information on fan motor operation and troubleshooting.

Diagnostic Codes: Fan Start Failure

Explanation of codes 39-13 and 39-53 for fan start failures.

Diagnostic Codes for Fan Speed and Operation

Diagnostic Code: Fan Speed Error

Explanation of code 39-14 for fan speed discrepancies.

Diagnostic Codes: Unexpected Fan Shutdown

Explanation of codes 39-15 and 39-55 for unexpected fan shutdowns.

Diagnostic Code: VFD System Lockout - Fan Motor Fail

Explanation of code 39-58 for fan motor failure.

Diagnostic Code: Defrost Timeout

Explanation of code 41-13 for defrost cycle timeout.

Diagnostic Code: PEV Timeout

Explanation of code 44-13 for PEV timeout.

Diagnostic Codes: OAT Thermistor Issues

Explanation of codes 51-01 and 51-02 for OAT sensor faults.

Diagnostic Codes: OCT Thermistor Issues

Explanation of codes 52-01 and 52-02 for OCT sensor faults.

Diagnostic Codes: OST Thermistor Issues

Explanation of codes 53-41 and 53-42 for OST sensor faults.

Diagnostic Codes: ODT Thermistor Issues

Explanation of codes 54-01 and 54-02 for ODT sensor faults.

Diagnostic Codes: Pressure Transducer P1 Issues

Explanation of codes 57-01, 57-41, 57-02, 57-42, 57-43 for P1 sensor.

Diagnostic Codes for Pressure Transducer P2 Issues

Diagnostic Codes: Pressure Transducer P2 Issues

Explanation of codes 58-01, 58-41, 58-02, 58-42, 58-43 for P2 sensor.

Diagnostic Codes: Reversing Valve Issues

Explanation of codes 61-13, 61-53, 61-41 for reversing valve.

Diagnostic Code: PEV Solenoid Open

Explanation of code 62-01 for PEV solenoid open fault.

Diagnostic Codes for EXV-H Operation

Diagnostic Codes: EXV-H Phase Open Lockout

Explanation of code 64-41 for EXV-H phase open.

Diagnostic Codes: EXV-H Power Shorted Lockout

Explanation of code 64-44 for EXV-H power short.

Diagnostic Codes: EXV-H Phase Shorted Lockout

Explanation of code 64-45 for EXV-H phase short.

Diagnostic Codes: EXV-VI Phase Open Lockout

Explanation of code 65-41 for EXV-VI phase open.

Diagnostic Codes: EXV-VI Power Shorted Lockout

Explanation of code 65-44 for EXV-VI power short.

Diagnostic Codes: EXV-VI Phase Shorted Lockout

Explanation of code 65-45 for EXV-VI phase short.

Diagnostic Codes: VFD Control Relay Issues

Explanation of codes 66-41 and 66-42 for VFD relay faults.

Diagnostic Codes for VFD System Faults

Diagnostic Codes: VFD System Fault - PFC

Explanation of codes 81-13 and 81-53 for PFC circuit.

Diagnostic Codes: VFD System Fault - Unbalanced PFCM

Explanation of codes 81-14 and 81-54 for unbalanced PFCM.

Diagnostic Code: VFD System Lockout - Wiring Error

Explanation of code 81-58 for VFD wiring error.

Diagnostic Codes: VFD System Fault - Line Current Lim

Explanation of code 82-11 for line current limiting.

Diagnostic Codes: VFD Reset with Power Dropout

Explanation of codes 82-13 and 82-53 for VFD reset/dropout.

Diagnostic Codes: VFD Fault with Power Dropout

Explanation of codes 82-15 and 82-55 for VFD fault/dropout.

Diagnostic Codes: VFD System Fault - Low Line Volt

Explanation of codes 82-16 and 82-56 for low line voltage.

Diagnostic Codes: VFD System Fault - High Line Volt

Explanation of codes 82-17 and 82-57 for high line voltage.

Diagnostic Codes: VFD Compressor Fault - Current

Explanation of codes 83-11, 83-12, 83-15, 83-55, 83-16, 83-56 for current issues.

Diagnostic Codes for VFD Compressor Lockout

Diagnostic Code: VFD Compressor Lockout - Current

Explanation of code 83-57 for compressor lockout due to current.

Diagnostic Codes: VFD Heatsink Overtemp Fault

Explanation of codes 84-11 and 84-58 for VFD heatsink overtemp.

Diagnostic Codes: VFD System Fault - DC Under Voltage

Explanation of codes 85-13 and 85-53 for DC under voltage.

Diagnostic Codes: VFD System Fault - DC Over Voltage

Explanation of codes 85-14 and 85-54 for DC over voltage.

Diagnostic Codes: VFD System Fault - Communication

Explanation of codes 86-06 and 86-46 for VFD communication.

Diagnostic Codes: VFD Initialization Fault

Explanation of codes 87-13 and 87-53 for VFD initialization.

Diagnostic Codes: VFD Internal Fault - Unexpected Reset

Explanation of codes 88-15 and 88-55 for unexpected VFD reset.

Diagnostic Code: VFD Reprogramming Failure

Explanation of code 88-27 for VFD reprogramming failure.

Diagnostic Codes: VFD Internal Fault - Current Sensor

Explanation of codes 88-31 and 88-71 for VFD current sensor faults.

Diagnostic Codes: VFD Internal Fault - IPM Temp Sensor

Explanation of code 88-32 for VFD IPM temp sensor faults.

Diagnostic Codes: VFD Internal Fault - DC Link Sensor

Explanation of codes 88-33 and 88-73 for VFD DC link sensor faults.

Diagnostic Codes for VFD Internal Faults

Diagnostic Codes: VFD Internal Fault - PFCM Sensor A

Explanation of codes 88-34 and 88-74 for PFCM Sensor A.

Diagnostic Codes: VFD Internal Fault - PFCM Sensor B

Explanation of codes 88-35 and 88-75 for PFCM Sensor B.

Diagnostic Codes: VFD Internal Fault - Line Volt Sensor

Explanation of codes 88-36 and 88-76 for VFD line volt sensor.

Diagnostic Code: VFD Internal Fault - PFCM Temp Sensor

Explanation of code 88-37 for VFD PFCM temp sensor.

Diagnostic Codes: VFD Internal Fault - DC Discharge

Explanation of codes 88-38 and 88-78 for VFD DC discharge.

Diagnostic Codes: VFD Internal Fault - Microprocessor

Explanation of codes 88-39 and 88-79 for VFD microprocessor.

Fault Code Table: System Control and Voltage Issues

Fault Codes for Model Plug and Fuse Issues

Fault codes related to model plug and fuse failures.

Fault Codes for Pressure and Temperature Limits

Fault codes for high/low pressure and temperature limits.

Fault Codes for Compressor Operation Errors

Fault codes related to compressor starting, pumping, and compression.

Fault Codes for Fan Operation Errors

Fault codes for fan start, speed, and motor errors.

Fault Codes for Defrost and Valve Timeouts

Fault codes for defrost overrun and PEV timeout.

Fault Codes for Thermistor Sensor Issues

Fault codes for OAT, OCT, OST, and ODT sensor errors.

Fault Codes for Pressure Transducer Issues

Fault codes for P1 and P2 pressure transducer issues.

Fault Code Table: Valve, VFD, and Internal Errors

Fault Codes for EXV and VFD Control Relay Issues

Fault codes for EXV operation and VFD control relay.

Fault Codes for VFD System and PFC Errors

Fault codes for VFD PFC and PFCM errors.

Fault Codes for VFD Current and Voltage Issues

Fault codes for VFD current, voltage, and reset issues.

Fault Codes for VFD Internal Errors

Fault codes for VFD internal sensor and microprocessor errors.

Control Box Component Visuals

2 T;3 T Control Box and VFD Images

Visuals of the 2-ton/3-ton control box and Variable Frequency Drive.

4 T;5 T Control Box and VFD Images

Visuals of the 4-ton/5-ton control box and Variable Frequency Drive.

2;3 Ton VFD Component Connections

VFD Main Power Relay, Reactor, and HPS Connections

Location of VFD main power relay, reactor, and HPS connections.

VFD Control Relay and DC Terminals

Location of VFD control relay, DC terminals, and fan motor connections.

VFD to PCM Communication Connection

Location of the VFD to PCM communication connection.

4;5 Ton VFD Component Connections

Compressor, Fan Motor, and DC Terminal Connections

Location of compressor, fan motor, and DC terminal connections on VFD.

VFD to PCM Comm, Filter Input, and Reactor Connections

Location of VFD to PCM comm, filter input, and reactor connections.

VFD Control Relay, HPS, and Fan Motor Fuse Locations

Location of VFD control relay, HPS connection, and fan motor fuse.

Primary Control Module (PCM) Views

PCM Board Layout - Top and Bottom Views

Top and bottom views of the PCM board showing components and connectors.

Component Visual Identification

Bluetooth Module, Fan Motor, and Filter Input Board

Images of Bluetooth module, fan motor, and filter input board.

Reactor Visuals by Tonnage

Images of reactors for different tonnages, noting differences.

Communication Cable Visuals

PCM to Bluetooth Module Comm Cable

Image of the cable connecting PCM to Bluetooth module.

VFD to PCM Comm Cable

Image of the cable connecting VFD to PCM.

PCM Wiring Diagram for System Connections

VFD and Sensor Wiring Connections to PCM

Diagram showing VFD and sensor connections to the PCM.

Control and Valve Wiring Connections to PCM

Diagram showing control and valve connections to the PCM.

Refrigeration System Operation and Safety

Refrigerant Handling and System Safety

Safety warnings for Puron® refrigerant and system operation.

Compressor Oil Requirements and Handling

Details on PVE compressor oil, its hygroscopic nature, and handling.

Servicing on Roofs with Synthetic Materials

Precautions when servicing units on synthetic roofing materials.

Brazing Techniques and Basic Rules

Basic points and rules for brazing metal components.

Service Valves and Pumpdown Safety

Safety warnings for service valves and pumpdown procedures.

Pumpdown and Evacuation Procedures

Pump Down Procedure Using User Interface

Steps to perform pump down using the wall control interface.

Evacuation and Recovery of Refrigerant

Procedures for evacuating and recovering refrigerant from the system.

Reversing Valve Operation and Troubleshooting

How the reversing valve works and diagnostic checks.

Liquid Line Filter Drier Installation and Function

Filter Drier Installation Caution

Caution regarding filter drier damage during brazing.

Liquid-line Filter Drier Installation (2;3;4 T)

Instructions for installing the liquid-line filter drier for specific models.

Liquid-line Filter Drier Installation (5 T)

Instructions for installing the liquid-line filter drier for 5 Ton models.

Suction Line Filter Drier Purpose

Purpose of the suction line filter drier and its installation.

Thermostatic Expansion Valve (TXV) Function

Description of TXV operation and types.

Thermostatic Expansion Valve (TXV) Operation Details

Factors Affecting TXV Refrigerant Metering

How superheat, pressure, and spring force affect TXV operation.

Accumulator Functionality and Replacement

Role of the accumulator and procedure for its replacement.

Accumulator Fusible Element Safety

Information about the accumulator's fusible element.

Vapor Injection Operation (5 Ton Models)

Explanation of the vapor injection circuit for increased capacity.

Vapor Injection EXV (EXV-VI) Operation

EXV-VI Operation and Control

How the EXV-VI regulates flow for heating and efficiency.

Brazed Plate Heat Exchanger (BPHE) Assembly

Mounting and repair considerations for the BPHE assembly.

Refrigeration System Repair: Leak Detection

Methods for detecting refrigerant leaks in the system.

Leak Detection Methods: Soap Bubbles and Electronic Detectors

Using soap bubbles and electronic detectors for leak detection.

Electrical Shock Hazard Warning During Repair

Warning about electrical shock hazards during repair.

Coil Removal Procedure

Steps for removing and reinstalling coils for service.

Fire Hazard Warning: Cutting Tubing

Warning about fire hazard when cutting tubing.

Training Resources and Contact Information

My Learning Center for HVAC Training

Information on accessing online and classroom HVAC training resources.

Copyright and Catalog Information

Copyright details and catalog information for the manual.

Carrier Bryant Evolution Extreme 186CNV Specifications

General

Brand	Carrier
Model	Bryant Evolution Extreme 186CNV
Category	Heat Pump
Language	English