Carrier 38VF012H117010 User Manual

X-POWER Full DC Inverter Outdoor Unit
208~230V
Thank you very much for purchasing our airconditioner, Before using your air conditioner, please read
this manual carefully and keep it for future reference.
Caution: The manual is applicable for the cooling&heating and cooling only outdoor unit. The
cooling&heating indoor unit is applicable for the cooling&heating and cooling only outdoor unit; the
heating capacity of the indoor unit will be effective only when the indoor unit connect to the
cooling&heating outdoor unit.
DATABOOK
/
SERVICE
MANUAL

Carrier 38VF012H117010 Specifications

General

Brand	Carrier
Model	38VF012H117010
Category	Inverter
Language	English

Summary

Part 1 General Information

1. Features

Covers product features including high efficiency, flexible design, and enhanced comfort.

1.1 High efficiency

Details the high energy efficiency achieved through DC inverter compressors and fan motors.

1.1.1 High efficiency DC inverter compressor

1.1.2 High efficiency DC fan motor, saving power 50%

1.2.3 Flexible piping design

1.3 High reliability

1.4 Enhanced comfort

1.5 Convenient for installation and service

Covers convenient features for installation and service like auto addressing and super wiring.

5. Nomenclature

Part 2 Selection Procedure

1.1 Model Selection Procedure

Outlines the step-by-step procedure for selecting models based on load and system requirements.

1.2 Indoor Unit Selection

Guides the selection of indoor units based on capacity tables and conditions.

1.2.1 Calculation of Actual Capacity of Indoor Unit

1.3 Outdoor Unit Selection

2. Unit Selection (Based on cooling load)

Details the procedure for unit selection based on cooling load requirements.

2.2 Indoor unit selection

Guides the selection of indoor units based on provided capacity tables.

2.3 Outdoor unit selection

Explains the process of selecting outdoor units based on combination ratios.

Part 3 Specification & Performance

1. Specifications

Provides detailed specifications for the independent units.

1.1 Independent unit specifications

3. Piping Diagrams and Valve explanation

4. Electric Characteristics

Details the electrical specifications, including current values and voltage ranges.

5. Wiring Diagrams and Field Wiring

Provides wiring diagrams for different models and guidelines for field wiring.

5.2 Field Wiring

6. Operation Limits

Part 4 Installation

1. Installation Introduction

Provides an introduction to installation, focusing on refrigerant piping selection.

1.1 Select the refrigerant piping

Details the permitted lengths and level differences for refrigerant piping.

1.1.1 Length and level difference permitted of the refrigerant piping

Specifies permitted lengths and level differences for refrigerant piping.

1.1.2 Selection of the refrigerant piping

Guides the selection of pipes based on total capacity, length, and diameter.

1.1.2.1 Selection of the indoor unit pipes

1.1.2.2 Selection of the branches and indoor main pipe

1.1.2.3 Selection of the main pipe (L1)

1.1.2.4 Selection of the branch (L, M) and the outdoor unit pipe (g1, g2, g3, G1)

1.1.4 Branch drawing

1.2 Installation Procedure

Outlines the overall procedure for installing the air conditioning system.

1.2.1 Importance of the Installation Operation

1.2.2 General procedure

Provides a general step-by-step procedure for installation tasks.

1.2.3 Install indoor unit’s procedure

Details the specific procedure for installing indoor units.

1.2.4 Refrigerant pipe procedure

Outlines the step-by-step procedure for installing refrigerant pipes.

1.2.5 Drainage pipe procedure

Details the procedure for installing drainage pipes.

1.2.6 Electric wiring

Provides guidelines for proper electrical wiring of the system.

1.2.7 Lay the indoor pipeline

1.2.8 Heat-insulation procedure

Describes the procedure for applying heat insulation to pipes and equipment.

1.2.9 Install outdoor unit

Provides instructions and cautions for installing the outdoor unit.

1.2.10 Recharge refrigerant procedure

Details the procedure for recharging refrigerant, including calculations.

1.2.11 Main points of test running and Commissioning

Lists key checks and preparations before commissioning and trial running.

1.3 Installation Preparation

Covers essential preparation steps before starting the installation.

1.3.6. Pipe pre-install engineering

2. Units Installation

Covers the installation procedures for both indoor and outdoor units.

2.1 Installation of Indoor Unit

Details the procedure and cautions for installing indoor units.

2.1.1 Installation procedure

2.1.2 Cautions for installation and check

2.2. Installation of Outdoor Unit

Covers the procedures for receiving, unpacking, hoisting, and positioning outdoor units.

2.2.4 Base for outdoor unit

3. Refrigerant Pipe Engineering

Covers all aspects of refrigerant piping, including processing, storage, and installation.

3.1 Refrigerant Pipe Processing

Details the requirements and procedures for processing refrigerant pipes.

3.1.1 Basic requirements

Outlines basic requirements for refrigerant pipe processing and installation.

3.1.1.1 Operation procedure

3.1.1.2 Three principles for refrigerant piping

3.1.1.3 Support for refrigerant pipe

3.1.1.4 Requirements for installing branch pipe subassembly

3.1.3 Processing of copper pipe

Details the processing steps for copper pipes, including cutting and rectification.

3.1.4 Brazing welding operation

Covers the process of brazing welding for refrigerant pipes.

3.1.4.2 Nitrogen filling for protecting copper pipe during brazing welding

3.1.5 Pipe cleaning out

Details methods for cleaning refrigerant pipes after installation.

3.1.5.1 Flushing copper pipe

3.2. Air Tight Test

Covers the purpose, procedure, and observation of air tightness tests.

3.2.1 Purpose and operation procedure of air tightness test

3.2.2 Operation of air tightness test

3.3. Vacuum Drying

Explains the purpose, methods, and procedures for vacuum drying the system.

3.3.1 Purpose and highlights of vacuum drying

3.3.2 Operation procedure for vacuum drying

3.4. Recharge Refrigerant

Provides procedures for calculating and recharging refrigerant for the system.

3.4.1 Operation procedure for recharging refrigerant

3.4.2 Calculating the recharged refrigerant volume

4. Drainage Pipe Engineering

4.1 Installation Highlights of Drainage Pipe

4.3 Concentrated Drainage Pipe

4.5 Overflowing Water Test and Water Passing Test

5. Duct Engineering

5.1 Fabrication of Duct

5.2 Connection of Duct

6. Heat Insulation Engineering

6.1 Insulation of Refrigerant Piping

Details the operational procedures, purpose, materials, and thickness for refrigerant pipe insulation.

6.1.1 Operational procedure of refrigerant piping insulation

6.2 Insulation of Condensate Water Pipe

7. Electrical Engineering

Covers wiring instructions, power supply installation, and electric characteristics.

7.2 Power supply wiring installation

7.2.3 Electric characteristics

7.3 Signal wiring installation

7.3.3 Signal wire of centralized control

8. Commissioning and Trial Running

Covers pre-commissioning checks, preparation, and trial run procedures.

8.1 Work before Commissioning

Details inspection and preparation steps required before commissioning.

8.1.1 Inspection and confirmation before Commissioning

8.1.2 Preparation before Commissioning

8.2 Commissioning for trial run of single unit.

8.2.2 Commissioning for the trial run of the paralleled system

Commissioning Report for Carrier Pro System

System parameter

2.3 Dial codes definition

Part 5 Troubleshooting

1. Outdoor electric control box assembly instructions

2. Main control board instructions

2.1 PCB ports instruction

3. Error code table

Lists various error codes, their content, and corresponding notes for troubleshooting.

4. Troubleshooting

Provides diagnostic flowcharts and solutions for common system errors.

4.1 E0: Communication error between outdoor units (Only display on faulty unit, all the ODU in standby)

Troubleshooting steps for communication errors between outdoor units.

4.2 E2: Indoor units and master unit communication error (Only display on master unit, all the ODU in standby)

Troubleshooting steps for communication errors between indoor and master units.

4.3 E4: Ambient temperature sensor (T4) error/ (Display on faulty unit, all the ODU in standby)

Troubleshooting steps for ambient temperature sensor errors.

4.4 E5: Voltage error (Display on faulty unit, others in standby)

Troubleshooting steps for voltage errors affecting unit operation.

4.5 E7: Discharge temperature sensor error (Display on faulty unit, all the ODU in standby)

Troubleshooting steps for discharge temperature sensor errors.

4.6 E8: Outdoor unit address is wrong (Only display on faulty slave unit, all the ODU in standby)

Troubleshooting steps for errors related to incorrect outdoor unit addresses.

4.7 xH0/H1

Troubleshooting for communication errors between DSP and main chip, or 0537 and main chip.

4.8 H2/H3

Troubleshooting for errors related to outdoor unit quantity changes.

4.9 H7: Quantity of indoor units decrease error (Only display on master unit, all the ODU in standby)

Troubleshooting steps for errors indicating a decrease in indoor unit quantity.

4.10 P0/P4/H6: High temperature protection (Display on faulty unit, all the ODU in standby)

Troubleshooting for high temperature protection of the inverter compressor.

4.11 P1: High pressure protection (Display on faulty unit, all the ODU in standby)

Troubleshooting steps for high pressure protection in the system.

4.12 P2/H5: Low pressure protection (Display on faulty unit, all the ODU in standby)

Troubleshooting steps for low pressure protection in the system.

4.13 xP3: Compressor current protection (Display on faulty unit, all the ODU in standby)

Troubleshooting steps for compressor current protection errors.

4.14 P5: Condenser temperature T3 protection (Display on faulty unit, all the ODU in standby)

Troubleshooting steps for condenser temperature protection errors.

4.15 xP6/xH4: Inverter module protection (Display on faulty unit, all the ODU in standby)

Troubleshooting for inverter module protection errors.

DC generatrix check

Module check

4.15.1 xL0/xL8/xL9 troubleshooting

Troubleshooting steps for xL0, xL8, and xL9 errors related to modular and compressor issues.

4.15.2 xL1/xL4 troubleshooting

Troubleshooting steps for xL1 and xL4 errors related to power supply and rectifier circuits.

4.15.3 xL2 troubleshooting

Troubleshooting steps for xL2 errors related to PCB voltage checks.

4.16 xP9/xH9: Fan module protection (Display on faulty unit, all the ODU in standby)

Troubleshooting steps for fan module protection errors.

P9 protection analysis