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Carrier 30AWH004HB - User Manual

Carrier 30AWH004HB
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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Summary

Service Manual

Unit Specification

1.1 Unit Specifications

Details the technical specifications of the unit models.

1.2 Dimensions

Provides physical dimensions for various unit models.

General Informations

Explanation of illustrated marks

Explains the meaning of symbols used in the manual.

General notes

Provides general guidelines and safety notes.

2.1 General precautions for safety

Outlines essential safety precautions for installation and operation.

2.2 R-410 A

Information regarding the R-410A refrigerant.

2.3 Electrical connections

Details on proper electrical connection procedures.

2.4 Operating limits

Specifies the operational temperature and pressure limits.

Installation

SITING THE UNIT

Guidance on selecting the appropriate location for unit installation.

Minimum clearances

Specifies required clearances around the unit for proper operation.

3.3 Water connections

Instructions for connecting the unit's water circuit.

3.3.1 Hydronic module

Details of the integrated hydronic module for water circulation.

3.3.3 Typical hydraulic circuit diagrams

Illustrates common hydraulic circuit configurations.

3.3.6 Circulating water Pump (only H version)

Information on setting the circulating water pump speed.

3.3.9 Expansion vessel (Volume calculation)

Guidance on calculating the required expansion vessel volume.

3.4 Refrigerant schematics

Diagrams showing the refrigerant circuit components and flow.

Electrical connections

4.1 Auxiliary electrical connections

Details on connecting external controls and accessories.

4.1.1 Sanitary hot water

Wiring for sanitary hot water management.

4.1.2 External heat source

Configuration for an external heat source.

4.2 Applications

Overview of unit applications in heating and cooling.

4.3 Range Description (Systems capacity)

Presents performance data across different operating conditions.

4.4 Wiring diagrams

Schematic diagrams illustrating electrical connections for various models.

Control management

GMC controller

Overview of the GMC control unit.

Inverter controller

Overview of the inverter control unit.

5.2 Unit Control

Explains the core logic of unit operation and control.

Anti Freeze Protection in Off Mode

Details the protection mechanism against freezing in off mode.

Operating mode selection

Describes how operating modes are selected and managed.

Water Freeze Protection

Outlines measures to prevent water freezing in the heat exchanger.

Backup External Heat Source functionality (X and H terminal block pins 5 - N)

Functionality for activating a backup external heat source.

System Diagnostics

Procedures for verifying system integrity and diagnosing issues.

Defrost control (Only in heating opearation)

Explains the defrost operation logic during heating mode.

Diagnostic

6.1 Inverter alarms

Lists and explains error codes related to inverter alarms.

6.2 GMC alarm codes

Details error codes specific to the GMC board.

6.3 GMC I;O

Describes the input/output signals for the GMC controller.

6.4 Troubleshooting

Provides step-by-step troubleshooting guidance for common faults.

Fault code 3 - Enter Water Temperature sensor fault

Troubleshooting steps for issues with the water temperature sensor.

Fault code 9 - Flow Switch error; Water Pump

Troubleshooting for flow switch errors and water pump issues.

Fault code 13 - Loss communication to RS485

Guidance for resolving communication loss via RS485.

Fault code 17 - Inverter Air sensor fault

Troubleshooting steps for inverter air sensor faults.

Fault code 21 - Inverter current sensor fault

Troubleshooting for inverter current sensor faults.

Fault code 24 - Outdoor fan motor error- Compressor lock

Troubleshooting for outdoor fan motor errors and compressor lock.

Fault code 27 - Compressor lock

Steps to diagnose and resolve compressor lock faults.

Fault code 29 - Compressor break down

Troubleshooting procedures for compressor breakdown.

Fault code 14 - High temperature release

Troubleshooting for high temperature release faults.

6.4.1 Relational graph of temperature sensor resistance value and temperature

Graphs showing temperature sensor resistance vs. temperature.

Carrier interfaces

7.1 Dry contacts control

Explains the control of the unit using dry contacts.

7.2 33 AW-RC1 user interface

Installation and usage guide for the 33AW-RC1 remote controller.

7.2.1 I;O features details

Detailed breakdown of input/output features for user interfaces.

7.3 33 AW-CS1 User interface

Information on the 33AW-CS1 user interface and its applications.

7.3.1 Main functions

Lists the primary functions and user capabilities.

7.3.4 Codes table

Table detailing control codes and their functions.

7.3.5 Climatic curves

Graphical representation of heating and cooling climatic curves.

Maintenance

8.1 Refrigerant charge check

Procedure for checking and charging refrigerant.

8.2 Cleaning the coil

Instructions for cleaning the unit's coils.

8.3 Replacement of the main parts

Step-by-step guide for replacing major unit components.

(1) Common procedure

General steps applicable to multiple component replacements.

(2) Side cabinet

Procedure for accessing and replacing components within the side cabinet.

(4) Inverter assembly

Instructions for replacing the inverter assembly.

(5) Control P.C. board assembly

Procedure for replacing the control PC board.

(7) Reactors (012)

Steps for replacing reactors specific to the 012 model.

(8) Control P.C. Board (015)

Procedure for replacing the control PC board for the 015 model.

(9) Compressor

Guide for replacing the compressor unit.

(11) Pulse modulating valve (PMV) coil

Instructions for replacing the PMV coil.

(13) Expansion vessel (Only H versions)

Procedure for replacing the expansion vessel in H versions.

(15) Automatic purge valve

Steps for replacing the automatic purge valve.

(19) Pump (Only H versions)

Procedure for replacing the pump in H version units.

(5) Cycle PC board (012)

Instructions for replacing the cycle PC board for model 012.

(9) Reactor (015)

Steps for replacing reactors specific to the 015 model.

(11) Fan motor

Procedure for replacing the fan motor.

(13) Liquid receiver

Guide for replacing the liquid receiver.

(15) Water circuit

General caution for replacing water circuit components.

(19) Flow switch

Steps for replacing the flow switch.

8.4 Periodic Inspection Items

Lists recommended periodic inspection tasks and frequencies.

Spare Parts

Extended rating

Size 004 Heating

Extended performance data for size 004 heating.

Size 004 Cooling

Extended performance data for size 004 cooling.

Size 006 Heating

Extended performance data for size 006 heating.

Size 006 Cooling

Extended performance data for size 006 cooling.

Size 008 Heating

Extended performance data for size 008 heating.

Size 008 Cooling

Extended performance data for size 008 cooling.

Size 012 Heating

Extended performance data for size 012 heating.

Size 012 Cooling

Extended performance data for size 012 cooling.

Size 015 Heating

Extended performance data for size 015 heating.

Size 015 Cooling

Extended performance data for size 015 cooling.

Additional Information

11.1 Additional information

Provides supplementary details and clarifications.

Carrier 30AWH004HB Specifications

General IconGeneral
BrandCarrier
Model30AWH004HB
CategoryAir Conditioner
LanguageEnglish

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