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Airwell Manuals
Air Conditioner
GC 21 DCI
Service manual
Airwell GC 21 DCI Service Manual
Pnx dci series
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
List of Effective Pages
Table of Contents
Introduction
General
Main Features
Indoor Unit
Indoor Unit Features
Filtration
Ionizer (Optional)
Inbox Documentation
Accessories
Outdoor Unit
Tubing Connections
Matching Table
R410A
Product Data Sheet
Pnx 9 DCI
Pnx 12 DCI
Pnx 18 DCI
Pnx 21 DCI
Pnx 24 DCI
Rating Conditions
Operating Limits
Outline Dimensions
Indoor Unit: PNX 9 / 12 DCI
Outdoor Unit: GC 9 / 12 / 18
Indoor Unit: PNX 18 / 21 / 24
Outdoor Unit: GC 21 DCI
Outdoor Unit: GC 24 Z DCI
Outline Dimensions
Performance Data & Pressure Curves
Cooling Capacity (Kw) - Run Mode
Capacity Correction Factors
Pnx 9 / Gc 9 DCI
Heating Capacity (Kw) - Run Mode)
Capacity Correction Factor Due to Tubing Length
Cooling
Heating
Pnx 12 / Gc 12 DCI
Pnx 18 / Gc 18 DCI
Pnx 21 / Gc 21 DCI
Discharge Pressure VS. Outdoor Temp.
Suction Pressure Vs.outdoor Temp.
Pressure Curves
Heating — Test Mode
Sound Pressure Level
Sound Pressure Level Spectrum
Sound Level Characteristics
Outdoor Units
GC 18 DCI Cooling
GC 18 DCI Heating
GC 21 DCI Cooling
GC 21 DCI Heating
GC 24 Z DCI Heating
GC 24 Z DCI Cooling
Single Phase Unit
Electrical Data
Indoor & Outdoor Units: PNX 9, 12 / GC 9, 12 DCI
Wiring Diagrams
Indoor Unit: PNX 18 / PNX 21 DCI
Indoor Unit Controller PCB
Outdoor Unit: GC 18 DCI / GC 21 DCI
Indoor & Outdoor Units: PNX 24 DCI / GC 24 DCI
Refrigeration Diagrams
Heating Mode
Cooling & Dry Mode
Pnx 24 / Gc 24 Z DCI
Pnx 9, 12, 18, 21 DCI
Electrical Connections
Power Supply
Control System
General Functions and Operating Rules
System Operation Concept
Compressor Frequency Control
Indoor Fan Control
Compressor Starting Control
Frequency Changes Control
Minimum on and off Time
Heating Element Control
Outdoor Fan Control
EEV (Electronic Expansion Valve) Control
Reversing Valve (RV) Control
Base Heater Control
Fan Mode
Cool Mode
Heat Mode
Protections
Indoor Coil Defrost Protection
Auto Cool/Heat Mode
Indoor Fan Control in Heat Mode
Indoor Coil over Heating Protection
Compressor over Heating Protection
Compressor over Current Protection
Outdoor Coil Deicing Protection
Deicing Starting Conditions
Deicing Protection Procedure
Condensate Water over Flow Protection
3 Levels Logic (Used in Floor/Ceiling Models)
1 Level Logic
Indoor Unit Dry Contact
Operating the Unit from the Mode Button
On Unit Controls and Indicators
Indoor Unit Controls and Indicators for LCD Display
Indoor Unit Controller Controls and Indicators for Floor/Ceiling Model
Outdoor Unit Controller Indicators
Unit Has Three LED
Jumper Setting
Indoor Unit Controller
Odu Model Selection
Outdoor Unit Controller
J9- Presence Detector/Power Shedding
Model Selection Jumper – J7, J8
Unit Operation in Test Mode
SW Parameters
Indoor Units SW Parameters
Model Depended Parameters
Outdoor Units SW Parameters
Compressor Parameters
Frequency Limits as a Function of Outdoor Air Temperature
Compressor over Current Protection [A]
Target Frequency Setting
Target Frequency Setting for GC 24 / 30
EEV (Electronic Expansion Vavle) Control
EEV Control for GC 24 / 24 Z / 30
Rv(Reversing Valve) Control
Ioniser Control
Temperature Compensation
Indoor Fan Control in Heating Mode
Indoor Coil Overheating Protection
Compressor Overheating Protection
Compressor over Current Protection Only for GC 18 / 21 / 24 Z
Heat Sink Overheating Protection
Entering Deicing Conditions
System over Power Protection Only for GC 24 / 30
Heat Sink Overheating Protection for GC 24 / 30
Deicing Operation Procedure
Outdoor Coil Deicing Protection for GC 24 / 30
Test Mode
Entering Test Mode
Model Dependent Parameters - DNG
Model Dependent Parameters - WNG
Model Dependent Parameters - PXD
Model Dependent Parameters for GC 18 / 21
Model Dependent Parameters for GC 24 Z
Model Dependent Parameters for GC 24 / 30
Single Split System Failures and Corrective Actions
Troubleshooting for GC 9 / 12 / 18 / 21 / 24 Z DCI
Checking the Refrigeration System
Judgment by Indoor/Outdoor Unit Diagnostics
Indoor Unit Diagnostics
Indoor Unit Diagnostics and Corrective Actions
Outdoor Unit Diagnosits
Outdoor Unit Diagnostics and Corrective Actions
Checking Mains Voltage
Checking Power Input
Simple Procedures for Checking the Main Parts
Judgment by Megatool
Precaution, Advise and Notice Items
High Voltage in Outdoor Unit Controller
Charged Capacitors
Additional Advises
Troubleshooting for GC 24 / 30 DCI
General System Failures and Corrective Actions
Outdoor Fault Corrective Actions
Fault Code for Indoor Unit
Checking PFC Chock Coil
Checking Main Fuse
Procedures for Checking Main Parts
Checking the Outdoor Fan Motor
Checking the Compressor
Checking the Reverse Valve (RV)
Checking the Termistors
Checking for Electromagnetic Interferance
EMC Troubles to Near by Home Appliances
Exploded Views and Spare Parts Lists
Outdoor Unit: GC 9 / 12 DCI
Tubing Connections
Appendix A
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Table of Contents
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Main Features
3
Indoor Unit
4
Outdoor Unit
5
Troubleshooting
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REFRIGERANT
R410A
SM PNXDCI 1-A.1 GB
PNX DCI Series
Indoor Unit
s
Outdoor Units
PNX 9 DCI
GC 9 DCI
PNX 12 DCI
GC 12 DCI
PNX 18 DCI
GC 18 DCI
PNX 21 DCI
GC 21 DCI
PNX 24 DCI
GC 24 Z DCI
NOVEMBER – 2008
CONTENTS
HEAT PUMP
Table of
Contents
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Table of Contents
Troubleshooting
Troubleshooting for GC 9 / 12 / 18 / 21 / 24 Z DCI
85
Troubleshooting for GC 24 / 30 DCI
94
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Summarization of Contents
1. Introduction
1.1 General
Overview of the PNX DCI INVERTER split wall mounted range and its models.
1.2 Main Features
Highlights the advanced technological innovations and benefits of the PNX DCI series.
1.3 Indoor Unit
Details about the indoor unit's design, features, and installation.
1.4 Filtration
Describes the different types of air filters available for the PNX DCI series.
1.5 Ionizer (Optional)
Explains the function and benefits of the optional ionizer for improved air quality.
1.6 Control
Information on the microprocessor controller, remote controls, and networking system.
1.7 Outdoor Unit
Details on outdoor unit installation, features, and corrosion protection.
1.8 Tubing Connections
Information on flare type interconnecting tubing and further details.
1.9 Accessories
Lists available accessories for the unit, such as interface units and adapters.
1.10 Inbox Documentation
Specifies the documentation supplied with each unit.
1.11 Matching Table
Shows the compatibility between indoor and outdoor units for different models.
2. Product Data Sheet
2.1 PNX 9 DCI
Technical specifications and data for the PNX 9 DCI model, including capacity, power, and dimensions.
2.2 PNX 12 DCI
Technical specifications and data for the PNX 12 DCI model, including capacity, power, and dimensions.
2.3 PNX 18 DCI
Technical specifications and data for the PNX 18 DCI model, including capacity, power, and dimensions.
2.4 PNX 21 DCI
Technical specifications and data for the PNX 21 DCI model, including capacity, power, and dimensions.
2.5 PNX 24 DCI
Technical specifications and data for the PNX 24 DCI model, including capacity, power, and dimensions.
3. Rating Conditions
3.1 Operating Limits
Defines the operational limits for cooling and heating modes based on indoor and outdoor temperatures.
4. Outline Dimensions
4.1 Indoor Unit: PNX 9 / 12 DCI
Provides detailed dimensional drawings for the PNX 9 and 12 DCI indoor units.
4.2 Outdoor Unit: GC 9 / 12 / 18
Provides dimensional drawings for GC 9, 12, and 18 DCI outdoor units.
4.3 Indoor Unit: PNX 18 / 21 / 24
Provides detailed dimensional drawings for the PNX 18, 21, and 24 DCI indoor units.
4.4 Outdoor Unit: GC 21 DCI
Provides dimensional drawings for the GC 21 DCI outdoor unit.
4.5 Outdoor Unit: GC 24 Z DCI
Provides dimensional drawings for the GC 24 Z DCI outdoor unit.
5. Performance Data
5.1 PNX 9 / GC 9 DCI
Presents cooling and heating capacity data, and correction factors for PNX 9 / GC 9 DCI.
5.2 Capacity Correction Factor Due to Tubing Length
Illustrates capacity correction factors based on different tubing lengths for cooling and heating.
5.3 PNX 12 / GC 12 DCI
Presents cooling and heating capacity data, and correction factors for PNX 12 / GC 12 DCI.
5.4 Capacity Correction Factor Due to Tubing Length
Illustrates capacity correction factors based on different tubing lengths for cooling and heating.
5.5 PNX 18 / GC 18 DCI
Presents cooling and heating capacity data, and correction factors for PNX 18 / GC 18 DCI.
5.6 PNX 21 / GC 21 DCI
Presents cooling and heating capacity data, and correction factors for PNX 21 / GC 21 DCI.
5.7 PNX 24 / GC 24 Z DCI
Presents cooling and heating capacity data, and correction factors for PNX 24 / GC 24 Z DCI.
5.8 Capacity Correction Factor Due to Tubing Length
Illustrates capacity correction factors based on different tubing lengths for cooling and heating.
5.9 Pressure Curves
Displays suction and discharge pressure curves versus outdoor temperature for cooling and heating modes.
6. Sound Level Characteristics
6.1 Sound Pressure Level
Explains sound pressure level measurement and provides a spectrum measurement diagram.
6.2 Sound Pressure Level Spectrum (Measured as Figure 1)
Shows sound pressure level spectrums for PNX 9, 12, 18, and 21 indoor units.
6.3 Outdoor units
Introduces sound pressure level measurements for outdoor units.
6.4 Sound Pressure Level Spectrum (Measured as Figure 2)
Displays sound pressure level spectrums for GC 9, 12, 21, and 24 Z DCI outdoor units.
7. Electrical Data
7.1 Single Phase Unit
Provides electrical data for single-phase units, including power supply and current ratings.
8. Wiring Diagrams
8.1 Indoor & Outdoor Units: PNX 9, 12 / GC 9, 12 DCI
Illustrates the wiring diagrams for indoor and outdoor units of PNX 9, 12 and GC 9, 12 DCI models.
8.2 Indoor Unit: PNX 18 / PNX 21 DCI
Shows the wiring diagram for PNX 18 and 21 DCI indoor units.
8.3 Outdoor Unit: GC 18 DCI / GC 21 DCI
Displays the wiring diagram for GC 18 and 21 DCI outdoor units.
8.4 Indoor & Outdoor Units: PNX 24 DCI / GC 24 DCI
Presents wiring diagrams for PNX 24 DCI indoor and GC 24 DCI outdoor units.
8.5 Outdoor Unit: GC 24 Z DCI
Illustrates the wiring diagram for the GC 24 Z DCI outdoor unit.
9. Refrigeration Diagrams
9.1 Heat Pump Models
Shows refrigeration cycle diagrams for heat pump models in cooling and heating modes.
9.1.3 PNX 24 / GC 24 Z DCI
Displays refrigeration diagrams for PNX 24 / GC 24 Z DCI units in cooling and heating modes.
10. Electrical Connections
10.1 PNX 9, 12, 18, 21 DCI
Details electrical connection points for PNX 9, 12, 18, and 21 DCI indoor units.
10.2 PNX 24 DCI
Illustrates electrical connection points for the PNX 24 DCI indoor unit.
11. Control System
11.1 General Functions and Operating Rules
Explains the parametric nature of DCI software and system operation concept.
11.2 Fan Mode
Describes fan operation based on user settings and auto fan mode.
11.3 Cool Mode
Details NLOAD calculation and fan speed control in cool mode.
11.4 Heat Mode
Explains NLOAD calculation and fan speed control in heat mode.
11.5 Auto Cool/Heat Mode
Describes the unit's automatic selection between cool and heat modes.
11.6 Dry Mode
Explains the operation of the unit in dry mode.
11.7 Protections
Lists and explains various protection codes and mechanisms for the unit.
11.8 Condensate Water Over Flow Protection
Details the logic for condensate water over-flow protection and its related indicators.
11.9 Indoor Unit Dry Contact
Explains the functions of the indoor unit's dry contact, selected by J8.
11.10 Operating the Unit from the Mode Button
Describes how to operate the unit using the mode button for forced operation.
11.11 On Unit Controls and Indicators
Details the controls and indicators on the indoor unit for various models.
11.12 Jumper Setting
Provides information on jumper settings for indoor unit controllers and their functions.
12. Control System for PNX 18 / 21 / 24
12.1 General Functions and Operating Rules
Explains the parametric nature of DCI software and system operation concept for PNX 18/21/24.
12.2 Fan Mode
Describes fan operation based on user settings and auto fan mode.
12.3 Cool Mode
Details NLOAD calculation and fan speed control in cool mode.
12.4 Heat Mode
Explains NLOAD calculation and fan speed control in heat mode.
12.5 Auto Cool/Heat Mode
Describes the unit's automatic selection between cool and heat modes.
12.6 Dry Mode
Explains the operation of the unit in dry mode.
12.7 Protections
Lists and explains various protection codes and mechanisms for the unit.
12.8 Indoor Unit Dry Contact
Explains the functions of the indoor unit's dry contact, selected by J9.
12.9 Operating the Unit from Mode Button
Describes how to operate the unit using the mode button for forced operation.
12.10 On Unit Controls and Indicators
Details the controls and indicators on the indoor and outdoor units.
12.11 Test Mode
Explains how to enter and operate the unit in test mode.
12.12 SW Parameters
Lists software parameters for indoor and outdoor units across different models.
13. Troubleshooting
13.1 Troubleshooting for GC 9 / 12 / 18 / 21 / 24 Z DCI
Provides a guide for troubleshooting common failures and corrective actions for GC 9-24 Z DCI.
13.2 Troubleshooting for GC 24 / 30 DCI
Offers troubleshooting steps for general system failures and corrective actions for GC 24/30 DCI.
13.1.4 Indoor Unit Diagnostics
Details indoor unit fault codes and diagnostic procedures.
13.1.5 Outdoor Unit Diagnosits
Lists outdoor unit fault codes and diagnostic procedures.
13.1.7 Simple procedures for checking the Main Parts
Provides simple checks for main components like voltage, power input, motors, and compressor.
14. Exploded Views and Spare Parts Lists
14.1 Indoor Unit: PNX 9 / 12 DCI
Provides an exploded view of the PNX 9 and 12 DCI indoor unit with part numbers.
14.2 Indoor Unit: PNX 9 DCI
Lists spare parts for the PNX 9 DCI indoor unit with part numbers and quantities.
14.3 Indoor Unit: PNX 12 DCI
Lists spare parts for the PNX 12 DCI indoor unit with part numbers and quantities.
14.4 Outdoor Unit: GC 9 / 12 DCI
Shows an exploded view of the GC 9 and 12 DCI outdoor unit with part numbers.
14.5 Outdoor Unit: GC 9 / 12 DCI
Lists spare parts for the GC 9 and 12 DCI outdoor unit with part numbers and quantities.
14.6 Indoor Unit: PNX 18 / 21 / 24 DCI
Provides an exploded view of the PNX 18, 21, and 24 DCI indoor units with part numbers.
14.7 Indoor Unit: PNX 18 DCI
Lists spare parts for the PNX 18 DCI indoor unit with part numbers and quantities.
14.8 Indoor Unit: PNX 21 DCI
Lists spare parts for the PNX 21 DCI indoor unit with part numbers and quantities.
14.9 Indoor Unit: PNX 24 DCI
Lists spare parts for the PNX 24 DCI indoor unit with part numbers and quantities.
14.10 Outdoor Unit: GC 18 DCI
Shows an exploded view of the GC 18 DCI outdoor unit with part numbers.
14.11 Outdoor Unit: GC 18 DCI
Lists spare parts for the GC 18 DCI outdoor unit with part numbers and quantities.
14.12 Outdoor Unit: GC 21 DCI
Shows an exploded view of the GC 21 DCI outdoor unit with part numbers.
14.13 Outdoor Unit: GC 21 DCI
Lists spare parts for the GC 21 DCI outdoor unit with part numbers and quantities.
14.14 Outdoor Unit: GC 24 Z DCI
Shows an exploded view of the GC 24 Z DCI outdoor unit with part numbers.
14.15 Outdoor Unit: GC 24 Z DCI
Lists spare parts for the GC 24 Z DCI outdoor unit with part numbers and quantities.
15. Tubing Connections
APPENDIX A
INSTALLATION AND OPERATION MANUALS
Refers to separate installation and operation manuals for detailed guidance.
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