Airwell HAF 18 User manual

HAF Series
Indoor Units Outdoor Units
HAF 18 YAF018
HAF 24 GCN 24
Service Manual
SM HAFRPM 2-A.1 GB FEBRUARY - 2010
REFRIGERANT
R410A HEAT PUMP
COOLING ONLY

A
LIST OF EFFECTIVE PAGES
SM HAFRPM 2-A.1 GB
LIST OF EFFECTIVE PAGES
Note: Changes in the pages are indicated by a “Revision#” in the footer of each effected page
(when none indicates no changes in the relevant page). All pages in the following list represent
effected/ non effected pages divided by chapters.
Dates of issue for original and changed pages are:
Original ....... 0 ........ February 2009
Total number of pages in this publication is 72 consisting of the following:
Page
No. Revision No. # Page No. Revision No. # Page No. Revision No. #
Title....................... 1
A........................... 1
i............................. 1
1-1 - 1-2................ 1
2-1 - 2-2................ 1
3-1 ........................ 1
4-1 - 4-2................ 1
5-1 - 5-12.............. 1
6-1 - 6-2................ 1
7-1 ........................ 1
8-1 - 8-2................ 1
9-1 ........................ 1
10-1-10-2.............. 1
11-1....................... 1
12-1-12-30............ 1
13-1-13-2.............. 1
14-1-14-7.............. 1
Appendix -A...........1
• Zero in this column indicates an original page.
*Due to constant improvements please note that the data on this service manual can be modified with out notice.
**Photos are not contractual

i
TABLE OF CONTENTS
SM HAFRPM 2-A.1 GB
Table of Contents
1. INTRODUCTION ...................................................................................................1-1
2. PRODUCT DATA SHEET ......................................................................................2-1
3. RATING CONDITIONS..........................................................................................3-1
4. OUTLINE DIMENSIONS .......................................................................................4-1
5. PERFORMANCE DATA & PRESSURE CURVES ................................................5-1
6. SOUND LEVEL CHARACTERISTICS ..................................................................6-1
7. ELECTRICAL DATA..............................................................................................7-1
8. WIRING DIAGRAMS .............................................................................................8-1
9. ELECTRICAL CONNECTIONS.............................................................................9-1
10. REFRIGERATION DIAGRAMS.............................................................................10-1
11. TUBING CONNECTIONS......................................................................................11-1
12. CONTROL SYSTEM .............................................................................................12-1
13. TROUBLESHOOTING ..........................................................................................13-1
14. EXPLODED VIEWS AND SPARE PARTS LISTS.................................................14-1
15. APPENDIX A .........................................................................................................15-1

1-1
INTRODUCTION
SM HAFRPM 2-A.1 GB
1. INTRODUCTION
1.1 General
The new HAF series is split wall mounted type indoor unit.
It has innovative flat design with background display.
The models as below:
HAF 18
HAF 24
1.2 Main Features
The HAF series benefits from the most advanced technological innovations, namely:
●R410A refrigerant
●Micro processor control.
●Innovative flat panel.
●Background display.
●Fresh air system as an option.
●Refrigerant pipes can be connected to the indoor unit from 4 different optional
directions.
●Easy installation and service.
1.3 Indoor Unit
The indoor unit is wall mounted, and can be easily fitted to many types of residential and
commercials applications.
It includes:
●Casing with air inlet and outlet grills.
●A large-diameter tangential fan.
●Bended coil with treated aluminum fins.
●Advanced electronic control box assembly.
●Interconnecting wiring terminal block.
●Mounting plate.
1.4 Control
The microprocessor indoor controller, and an infrared remote control, supplied as
standard, provide complete operating function and programming. For further details
please refer to the Operation Manual, Appendix A.

1-2
INTRODUCTION
SM HAFRPM 2-A.1 GB
1.5 Outdoor Unit
The HAF outdoor units can be installed as floor or wall mounted units by using a wall
supporting bracket. The metal sheets are protected by anti- corrosion paint work allowing
long life resistance. All outdoor units are pre-charged. For further information please
refer to the Product Data Sheet, Chapter 2.
It includes :
●Compressor mounted in a soundproofed compartment.
●Axial fan.
●Outdoor coil with hydrophilic louver fins for RC units.
●Outlet air fan grill.
●Service valves ” flare” type connection.
●Interconnecting wiring terminal block.
●Fresh air motor for HAF(optional).
1.6 Tubing Connections
Flare type interconnecting tubing can be produced on site.
For further details please refer to the Installation Manual, Appendix A.
1.7 Accessories
Remote Control
1.8 Inbox Documentation
Each unit is supplied with its own installation and operation manuals.
1.9 Matching Table
OUTDOOR UNITS
INDOOR UNIT
OUTLINE MODEL REFRIGER. HAF 18 HAF 24
YAF018 R410A √
GCN 24 R410A √