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Gree GWH18AFC-K3NNA1A User Manual

Gree GWH18AFC-K3NNA1A
113 pages
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Service Manual
Table of Contents
Part
: Technical Information
.......................................................................1
1. Summary
......................................................................................................................1
2. Specications
..........................................................................................................3
2.1 Specication Sheet ........................................................................................................... 3
2.2 Capacity Curve in Different Outdoor Temperature .........................................................11
2.3 Cooling and Heating Data Sheet in Rated Frequency ...................................................11
3. Outline Dimension Diagram
......................................................................12
3.1 Indoor Unit ......................................................................................................................12
3.2 Outdoor Unit ...................................................................................................................13
4. Refrigerant System Diagram
....................................................................17
5. Electrical Part
.........................................................................................................18
5.1 Wiring Diagram ............................................................................................................... 18
5.2 PCB Printed Diagram .....................................................................................................23
6. Function and Control
......................................................................................25
6.1 Remote Controller Introduction ......................................................................................25
6.2 Brief Description of Modes and Functions ...................................................................... 28
Part
: Installation and Maintenance
.................................................33
7. Notes for Installation and Maintenance
..........................................33
8. Installation
................................................................................................................36
8.1 Installation Dimension Diagram ...................................................................................... 36
8.2 Installation Parts-Checking ............................................................................................ 38
8.3 Selection of Installation Location ....................................................................................38
8.4 Requirements for electric connection .............................................................................38
8.5 Installation of Indoor Unit ................................................................................................ 38
8.6 Installation of Outdoor unit .............................................................................................41
8.7 Vacuum Pumping and Leak Detection ...........................................................................42
8.8 Check after Installation and Test operation ....................................................................42
9. Maintenance
............................................................................................................43
9.1 Error code ....................................................................................................................... 43
9.2 Procedure of Troubleshooting ........................................................................................45
9.3 Maintenance method for normal malfunction .................................................................54
Table of Contents

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Gree GWH18AFC-K3NNA1A Specifications

General IconGeneral
TypeSplit System
Cooling Capacity18000 BTU/h
Power Supply220-240V, 50Hz
RefrigerantR410A
Weight (Indoor Unit)10 kg
Weight (Outdoor Unit)35 kg

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