Airwell GC 24 Z DCI User Manual

PNX DCI Series
Indoor Units 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
REFRIGERANT
R410A
HEAT PUMP
SM PNXDCI 1-A.1 GB
CONTENTS

Airwell GC 24 Z DCI Specifications

General

Brand	Airwell
Model	GC 24 Z DCI
Category	Air Conditioner
Language	English

Summary

1. INTRODUCTION

1.2 Main Features

Details the key technological innovations and benefits of the PNX DCI series.

1.3 Indoor Unit

1.7 Outdoor Unit

2. PRODUCT DATA SHEET

2.1 PNX 9 DCI

Provides detailed technical specifications for the PNX 9 DCI model, including indoor and outdoor unit data.

2.2 PNX 12 DCI

Provides detailed technical specifications for the PNX 12 DCI model, including indoor and outdoor unit data.

2.3 PNX 18 DCI

Provides detailed technical specifications for the PNX 18 DCI model, including indoor and outdoor unit data.

2.4 PNX 21 DCI

Provides detailed technical specifications for the PNX 21 DCI model, including indoor and outdoor unit data.

2.5 PNX 24 DCI

Provides detailed technical specifications for the PNX 24 DCI model, including indoor and outdoor unit data.

5. PERFORMANCE DATA

5.1 PNX 9 / GC 9 DCI

Presents cooling and heating capacity data for PNX 9 / GC 9 DCI units.

5.3 PNX 12 / GC 12 DCI

Presents cooling and heating capacity data for PNX 12 / GC 12 DCI units.

5.5 PNX 18 / GC 18 DCI

Presents cooling and heating capacity data for PNX 18 / GC 18 DCI units.

5.6 PNX 21 / GC 21 DCI

Presents cooling and heating capacity data for PNX 21 / GC 21 DCI units.

5.7 PNX 24 / GC 24 Z DCI

Presents cooling and heating capacity data for PNX 24 / GC 24 Z DCI units.

5.9 Pressure Curves

7. ELECTRICAL DATA

7.1 Single Phase Unit

Details electrical data for single-phase units, including power supply, current, and cable specifications.

8. WIRING DIAGRAMS

8.1 Indoor & Outdoor Units: PNX 9, 12 / GC 9, 12 DCI

Provides 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

Wiring diagram for PNX 18 and 21 DCI indoor units.

8.3 Outdoor Unit: GC 18 DCI / GC 21 DCI

Wiring diagram for GC 18 and 21 DCI outdoor units.

8.4 Indoor & Outdoor Units: PNX 24 DCI / GC 24 DCI

Wiring diagrams for PNX 24 DCI indoor and GC 24 DCI outdoor units.

8.5 Outdoor Unit: GC 24 Z DCI

Detailed wiring diagram for the GC 24 Z DCI outdoor unit.

9. REFRIGERATION DIAGRAMS

9.1 Heat Pump Models

9.1.1 PNX 9, 12, 18, 21 / GC 9, 12, 18, 21 DCI Cooling Mode

Refrigeration diagram for cooling mode.

9.1.2 PNX 9, 12, 18, 21 / GC 9, 12, 18, 21 DCI Heating Mode

Refrigeration diagram for heating mode.

9.1.3 PNX 24 / GC 24 Z DCI

Refrigeration diagrams for PNX 24 / GC 24 Z DCI in cooling and heating modes.

10. ELECTRICAL CONNECTIONS

10.1 PNX 9, 12, 18, 21 DCI

Illustrates electrical connections for PNX 9, 12, 18, 21 DCI indoor units.

10.2 PNX 24 DCI

Illustrates electrical connections for the PNX 24 DCI indoor unit.

11. CONTROL SYSTEM for PNX 9 / 12

11.1.1 System Operation Concept

11.1.2 Compressor Frequency Control

Details how NLOAD settings affect compressor frequency and limits.

11.1.3 Target Frequency Setting

Defines how target frequency is set based on NLOAD and outdoor air temperature.

11.1.5 Compressor Starting Control

11.1.7 Indoor Fan Control

11.1.9 Outdoor Fan Control

11.1.10 EEV (electronic Expansion valve) Control

Describes EEV opening calculation and correction based on compressor temperature.

11.3 Cool Mode

11.4 Heat Mode

11.4.2 Indoor Fan Control in Heat Mode

11.5 Auto Cool/Heat Mode

11.7 Protections

Lists and describes the five protection codes used by the unit.

11.8 Condensate Water Over Flow Protection

Describes condensate water overflow protection logic.

11.11 On Unit Controls and Indicators

11.12 Jumper Setting

Explains jumper settings for operation, self-test, compensation, and family selection.

11.13 Test Mode

11.14 SW Parameters

Lists software parameters for indoor and outdoor units.

12. CONTROL SYSTEM for PNX 18 / 21 / 24

12.1.1 System Operation Concept

12.1.2 Compressor Frequency Control

Details how NLOAD settings affect compressor frequency and limits.

12.1.3 Target Frequency Setting

Defines how target frequency is set based on NLOAD and outdoor air temperature.

12.1.5 Compressor Starting Control

12.1.7 Indoor Fan Control

12.1.8 Outdoor Fan Control

12.1.9 EEV (Electronic Expansion Vavle) Control

Explains EEV control for DCI50/60 and GC 24/24Z/30 models.

12.3 Cool Mode

12.4 Heat Mode

12.4.2 Indoor Fan Control in Heating Mode

12.5 Auto Cool/Heat Mode

12.7 Protections

Lists and describes various protection mechanisms.

12.10 On Unit Controls and Indicators

12.11 Test Mode

12.12 SW Parameters

Lists software parameters for indoor and outdoor units.

13. TROUBLESHOOTING

13.1 Troubleshooting for GC 9 / 12 / 18 / 21 / 24 Z DCI

Provides troubleshooting steps for common failures in GC 9-24Z DCI series.

13.2 Troubleshooting for GC 24 / 30 DCI

Provides troubleshooting steps for GC 24/30 DCI models.