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Carrier 30AWH006HB - User Manual

Carrier 30AWH006HB
138 pages
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SERVICE MANUAL
Engineering Department of Italy
November, 2010
30AWH004HB/30AWH006HB/30AWH008HB/30AWH012HB/30AWH015HB
30AWH004XB/30AWH006XB/30AWH008XB/30AWH012XB/30AWH015XB
30AWH004NX/30AWH006NX/30AWH008NX/30AWH012NX/30AWH015NX
SM_30AW.indd 1 14-03-2011 14:40:43

Table of Contents

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Carrier 30AWH006HB Specifications

General IconGeneral
BrandCarrier
Model30AWH006HB
CategoryAir Conditioner
LanguageEnglish

Summary

SERVICE MANUAL

Unit Specification

1.1 Unit Specifications

Detailed technical data for each model, including electrical, compressor, and fan specs.

1.2 Dimensions

Provides overall dimensions (A, B, C, D, E, F, G, H, L) for different models.

General Information

Safety Precautions and Handling

Outlines general safety rules, illustrated marks, user responsibilities, and unit handling guidelines.

2.1 General Precautions for Safety

Detailed safety instructions for installation and operation, including refrigerant handling.

2.2 R-410 A Refrigerant

Information on the properties and handling of R-410A refrigerant used in the units.

2.3 Electrical Connections

Guidelines for safe and correct electrical connections, including warnings.

2.4 Operating Limits

Graphs and voltage limits for cooling and heating operations based on outdoor air temperature.

Installation

3.1 Installation Location

Recommendations for selecting an appropriate installation site, considering clearances and environmental factors.

Minimum Clearances

Diagrams showing required air clearances around the unit for optimal operation and safety.

3.2 Preliminary Operations

Steps for preparing the unit before installation, including opening knockouts and removing panels.

3.3 Water Connections

Details on connecting the water circuit, including hydronic module features and specifications.

3.3.3 Typical Hydraulic Circuit Diagrams

Schematic diagrams illustrating water circuit configurations for H and X/NX versions.

3.4 Refrigerant Schematics

Diagrams showing the refrigerant circuit components and their connections.

Electrical Connections

Power Supply and Fuses

Specifications for power supply, voltage range, current, fuses, and cables.

4.1 Auxiliary Electrical Connections

Wiring diagrams for connecting remote controls and auxiliary devices to terminal blocks.

4.1.2 External Heat Source

Procedure and wiring for connecting an external heat source to the unit.

4.1.3 Dehumidifier or Humidifier

Procedure and wiring for controlling a dehumidifier or humidifier via the unit.

4.1.4 Silent;Night Mode

Configuration and operation of the silent/night mode to reduce noise levels.

4.1.8 Additional Water Pump

Wiring and logic for controlling an additional water pump based on OAT and NUI codes.

4.2 Applications

Illustrates typical heating applications including space heating and sanitary hot water.

4.3 Range Description (Systems Capacity)

Tables detailing heating and cooling capacities, COP, EER, and LWA for various models.

4.4 Wiring Diagrams

Detailed wiring diagrams for inverter and GMC control sizes.

Control Management

GMC Controller and Inverter Controller

Overview of the control units and their physical locations within the system.

5.1 Introduction

Explains the control logic based on GMC platform and user interfaces.

5.2 Unit Control

Describes the main flow of unit control logic, including inputs, mode control, and protections.

Operating Mode Selection

Details on selecting operating modes (Cooling, Heating, Off) and defining water set points.

Compressor Short Cycling Protection

Algorithm to prevent frequent compressor starts and stops, ensuring minimum run time.

Water Freeze Protection

Measures taken to prevent heat exchanger freezing by monitoring water temperatures.

Unit Status and Defrost Output

Defines the function of output J7 Pin 2 for alarm, Tair setpoint, and other signals.

Water Pump On; Off Management

Logic for controlling the main water pump, including ON/OFF conditions and delays.

Backup External Heat Source Functionality

How the unit manages an external heat source based on OAT and LWT, including NUI codes.

System Diagnostics

Output Test

Procedure for testing unit outputs using NUI code 104.

Pulse Modulating Valve Control

Explanation of the PMV's role in refrigerant superheating and its control mechanism.

Discharge Temperature Release Control

Control routine to manage compressor frequency when discharge temperature increases.

Current Release Control

Control of output frequency and voltage based on detected AC current.

6.1 Outdoor Fan Control

Details on fan tap revolutions and cooling fan control logic based on temperature and speed.

Coil Heating Control

Procedure for coil heating control, including compressor warm-up process and sensor functions.

Diagnostic

6.1 Inverter Alarms

Identifies inverter alarms through LED indications and error codes on the control PC board.

6.1.1 Error Codes 30 AWH012 only

Lists specific error codes and their causes for 30AWH012 models.

6.1.2 Error Codes 30 AWH015 only

Details error codes and their meanings for 30AWH015 models, using LED and DIP switch indicators.

6.2 GMC Alarm Codes

Explains how to identify GMC board errors using LED flashing patterns and fault codes.

6.3 GMC I;O

Describes peripheral input and output devices connected to the GMC board, with specifications.

Troubleshooting

Fault Code 3 - Enter Water Temperature Sensor Fault

Troubleshooting steps for errors related to the enter water temperature sensor.

Fault Code 4 - Actual Refrigerant Temperature Sensor Fault

Troubleshooting steps for errors related to the refrigerant temperature sensor.

Fault Code 5 - Outdoor Air Sensor of GMC Fault

Troubleshooting steps for errors related to the GMC outdoor air sensor.

Fault Code 6 - Loss Communication to NUI Control

Troubleshooting steps for communication loss between NUI and GMC board.

Fault Code 7 - NUI Control Room Sensor Fault

Troubleshooting steps for errors with the NUI room sensor.

Fault Code 9 - Flow Switch Error; Water Pump

Troubleshooting guide for flow switch and water pump errors, including noise and blockage issues.

Fault Code 13 - Loss Communication to RS485

Troubleshooting steps for communication loss over the RS485 interface.

Fault Code 14 - Loss of Signal from Inverter Board

Troubleshooting steps for signal loss originating from the inverter board.

Fault Code 17 - Inverter Air Sensor Fault

Troubleshooting steps for errors related to the inverter's air sensor.

Fault Code 18 - G - Tr Short-circuit Protection

Troubleshooting for G-Tr short-circuit protection, including power supply and relay checks.

Fault Code 21 - Inverter Current Sensor Fault

Troubleshooting steps for issues with the inverter's current sensor.

Fault Code 22 - Heat Exchanger Sensors TE;TS

Troubleshooting for errors with heat exchanger sensors TE and TS.

Fault Code 24 - Outdoor Fan Motor Error- Compressor Lock

Troubleshooting steps for outdoor fan motor errors and compressor lock conditions.

Fault Code 27 - Compressor Lock

Troubleshooting steps for compressor lock issues, checking functionality and sensors.

Fault Code 28 - Discharge Temperature Error

Troubleshooting steps for discharge temperature errors, checking charge and sensor resistance.

Fault Code 29 - Compressor Break Down

Troubleshooting steps for compressor breakdown, checking voltage, current, and P.C. boards.

Fault Code 14 - High Temperature Release

Troubleshooting for high temperature release faults, checking unit operation and voltages.

6.4.1 Relational Graph of Temperature Sensor Resistance Value and Temperature

Graphs showing the relationship between temperature sensor resistance and actual temperature.

6.4.1 Resistance Values of Main Components

Table listing resistance values and reference temperatures for key components like PMV, 4-Way valve, and fans.

Carrier Interfaces

7.1 Dry Contacts Control

Overview of how dry contacts are used to control unit functions via user interfaces.

7.2 33 AW-RC1 User Interface

Installation guide for the 33AW-RC1 wired remote controller, including mounting and wiring.

7.2.1 I;O Features Details

Details on input/output features and their functions with specific NUI codes.

7.2.2 Main Settings

Configuration settings for various unit functions like mode, ECO, night mode, and SHW.

7.3 33 AW-CS1 User Interface

Installation instructions for the 33AW-CS1 thermostat, including location and wiring recommendations.

7.3.1 Main Functions

Lists the main user functionalities and comfort settings available on the interface.

7.3.2 Displayed Icons

Explanation of icons displayed on the user interface for various modes and statuses.

7.3.3 Control Buttons

Identifies and explains the function of the buttons on the user interface.

7.3.4 Codes Table

A table listing NUI codes, their names, descriptions, value ranges, and standard settings.

7.3.5 Climatic Curves

Pre-set and custom heating/cooling curves relating water temperature to outdoor temperature.

Maintenance

8.1 Refrigerant Charge Check

Procedure for checking and charging refrigerant, including important safety notes.

8.2 Cleaning the Coil

Instructions for cleaning the unit's coil and fan blades to maintain performance.

8.3 Replacement of Main Parts

Step-by-step procedures for replacing common parts like common procedure, side cabinet, and air-outlet cabinet.

8.4 Periodic Inspection Items

A checklist of annual inspection tasks for maintaining the unit's performance and safety.

Spare Parts

Extended Rating

Size 004 Heating

Performance data (Capacity, COP) for Size 004 models across various outdoor temperatures and frequencies.

Size 004 Cooling

Performance data (Capacity, COP) for Size 004 cooling models at different outdoor temperatures and frequencies.

Size 006 Heating

Performance data (Capacity, COP) for Size 006 heating models across various outdoor temperatures and frequencies.

Size 006 Cooling

Performance data (Capacity, COP) for Size 006 cooling models at different outdoor temperatures and frequencies.

Size 008 Heating

Performance data (Capacity, COP) for Size 008 heating models across various outdoor temperatures and frequencies.

Size 008 Cooling

Performance data (Capacity, COP) for Size 008 cooling models at different outdoor temperatures and frequencies.

Size 012 Heating

Performance data (Capacity, COP) for Size 012 heating models across various outdoor temperatures and frequencies.

Size 012 Cooling

Performance data (Capacity, COP) for Size 012 cooling models at different outdoor temperatures and frequencies.

Size 015 Heating

Performance data (Capacity, COP) for Size 015 heating models across various outdoor temperatures and frequencies.

Size 015 Cooling

Performance data (Capacity, COP) for Size 015 cooling models at different outdoor temperatures and frequencies.

Additional Information

11.1 Additional Information

General information regarding refrigerants, R-410A, and environmental considerations.

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