Electra WNG 36 Manuale utente

Service Manual

WNG LED/LCD Series

REFRIGERANT

R410A

R407C

R22

COOLING ONLY

HEAT PUMP

SEPTEMBER - 2005

Indoor Units Outdoor Units

WNG 7 GCN 7 ONG 7

WNG 9 GCN 9 ONG 9

WNG 12 GCN 12 ONG 12

WNG 14 GC 14 ONG 14

WNG 18 GC 18 —

WNG 21 GC 22 —

WNG 24 OU7-24 —

WNG 25 GC 24 —

WNG 30 GC 30 OU8 30/33

WNG 36 OU10-36 —

LIST OF EFFECTIVE PAGES

Revision Y05-03 Service Manual - WNG

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 ........ 15 December 2004

Total number of pages in this publication is 537 consisting of the following:

Page

No.

Revision

No. #

Page

No.

Revision

No. #

Page

No.

Revision

No. #

Title....................... 3

A ........................... 3

i............................. 1

1-1 - 1-7................ 3

2-1 - 2-30.............. 3

3-1 ........................ 1

4-1 - 4-5................ 2

5-1 - 5-116 ............ 4

6-1 - 6-2................ 1

7-1 - 7-2................ 2

8-1 - 8-8................ 2

9-1 - 9-2................ 1

10-1-10-9.............. 3

11-1....................... 1

12-1-12-34............ 1

12a-1-12a-40........ 2

12b-1-12b-18........ 1

13-1-13-2.............. 0

14-1 – 14-143 ....... 3

15-1 – 15-8 ........... 1

Appendix -A...........2

• 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.

TABLE OF CONTENTS

Revision Y05-03Service Manual - WNG

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. OPTIONAL ACCESSORIES .................................................................................15-1

16. APPENDIX A .........................................................................................................16-1

1-1

INTRODUCTION

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Service Manual - WNG

1. INTRODUCTION

1.1 General

The new WNG split wall mounted range comprise the ST (cooling only) and RC (heat

pump) models, as follows:

• Cooling Only WNG 7ST, WNG 9ST, WNG 12ST, WNG 14ST,

WNG 18ST, WNG 21ST, WNG 24ST, WNG 30ST, WNG 36ST

• Heat Pump WNG 7RC, WNG 9RC, WNG 12RC, WNG 14RC,

WNG 18RC, WNG 21RC, WNG 24RC, WNG 30RC,WNG 36RC

The indoor WNG units are available as LED or LCD display types, featuring esthetic

design, compact dimensions, and low noise operation.

Display type models availability:

• LED / LCD Type WNG7, WNG9, WNG12, WNG14, WNG18, WNG21, WNG24

• LCD Type WNG30, WNG36

1.2 Main Features

The WNG series beneﬁts from the most advanced technological innovations, namely:

• R22, R407C and R410A models

• Microprocessor control.

• Infrared remote control with liquid crystal display.

• Supports Indoor Air Quality features, such as – Ionizer, Active Electro-Static Filter,

and Fresh Air.

• Indoor large diameter cross ﬂow fan, allowing low noise level operation.

• Bended indoor coil with treated aluminum ﬁns and coating for improved efﬁciency.

• High COP.

• Easy access to the interconnecting tubing and wiring connections, so that

removing the front grill or casing is not necessary.

• Refrigerant pipes can be connected to the indoor unit from 6 different optional

directions.

• The WNG18/24/30 are equipped with a ﬂexible corrugated copper suction

tube allowing easy bending by the installer without the necessity to use special

equipment.

• Water condensate tray is equipped with two optional drain connections.

• Automatic treated air sweep.

• Low indoor and outdoor noise levels.

• Easy installation and service.

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INTRODUCTION

Revision Y05-03 Service Manual - WNG

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.

• Motorized ﬂaps (dual air sweeping for LCD type)

• Multi-speed motor with internal protection (P.G. motor for LCD type).

• Advanced electronic control box assembly

• Interconnecting wiring terminal block

• Mounting plate

1.4 Filtration

The WNG series presents several types of air ﬁlters:

• Easily accessible, and re-usable pre-ﬁlters (mesh)

• Pre-charged electrostatic ﬁlter (disposable)

• Active carbon ﬁlter (disposable)

• ESF. Active Electro Static re-usable ﬁlter (optional)

1.5 Ionizer (Optional)

A special design Ionizer protected by unique patents integrated into the indoor unit,

generating negative ions to the room providing comfort and upgraded indoor air quality.

1.6 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.

1-3

INTRODUCTION

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Service Manual - WNG

1.7 Outdoor Unit

The WNG 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 :

• 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 WNG 7-14 (optional).

1.8 Tubing Connections

Flare type interconnecting tubing to be produced on site.

For further details please refer to the Installation Manual, Chapter 9.

1.9 Accessories

ASK (All Season Kit):

For low ambient working conditions in cooling, an ASK can be installed inside the

outdoor unit. This kit allows cooling operation down to outdoor temp of -10 ºC by

gradually controlling the outdoor fan speed motor.

RCW Wall Mounted Remote Control

The RCW remote control is mounted on the wall, and controls the unit either as an

infrared remote control or as a wired controller. The wired controller can control up to

10 Indoor units with the same program settings and adjustments.

For further details please refer to Optional Accessories, Chapter 18.

1.10 Inbox Documentation

Each unit is supplied with its own installation and operation manuals.

1-4

INTRODUCTION

Revision Y05-03 Service Manual - WNG

1.11 Matching Table

1.11.1 R410A

OUTDOOR UNITS

INDOOR UNITS

MODEL REFRIGER. WNG7 WNG9 WNG12 WNG14 K9 K11 K15 PXD9 PXD12 PXD15

ONG7 ST R410A √

ONG9 ST R410A √ √ √

ONG12 ST R410A √ √ √

ONG14 ST R410A √ √ √

ONG7 RC R410A √

ONG9 RC R410A √ √ √*

ONG12 RC R410A √ √

ONG14 RC R410A √* √

OUTDOOR UNITS

INDOOR UNITS

MODEL REF’ WNG18 WNG21 WNG24 WNG30 WNG36 K18 KN24 KN30 PXD18 PXD24 PXD30

GC18 ST R410A √ √ √

GC21 ST R410A √

GC24 ST R410A √ √ √

OU8 30 ST R410A √ √ √

OU10 36 ST R410A √

GC18 RC R410A √ √ √

GC21 RC R410A √

GC24 RC R410A √

OU8 30 RC R410A √

OU10 36 RC R410A √

√* - The outdoor unit of this combination cannot be matched to other indoor units.

1-5

INTRODUCTION

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Service Manual - WNG

1.11.2 R407C

OUTDOOR UNITS

INDOOR UNITS

MODEL REF’ WNG7 WNG9 WNG12 WNG14 K9 K11 K15 PXD9 PXD12 PXD15

GCN7 ST R407C √

GCN7 RC R407C √

ONG9 ST R407C √ √ √

ONG12 ST R407C √ √ √

ONG14 ST R407C √ √ √

ONG9 RC R407C √ √ √

ONG12 RC R407C √ √ √

ONG14 RC R407C √ √ √

OUTDOOR UNITS

INDOOR UNITS

MODEL REF’ WMN/Z 7 WMN 14 LS 035 LS 040 WMF 7 WMF 9 WMF 12

GCN7 ST R407C √ √

GCN7 RC R407C √ √ √

ONG9 ST R407C √

ONG12 ST R407C √ √

ONG14 ST R407C √ √

ONG9 RC R407C

ONG12 RC R407C √ √

ONG14 RC R407C √ √

OUTDOOR UNITS

INDOOR UNITS

MODEL REF’ WNG 30 PXD 30 K 30 KN 30 LS 090

OU8 33 ST R407C √ √ √ √ √

OU8 33 RC R407C √ √ √ √ √

1-6

INTRODUCTION

Revision Y05-03 Service Manual - WNG

1.11.3 R22

OUTDOOR UNITS

INDOOR UNITS

MODEL REF’ WNG7 WNG9 WNG12 WNG14 WMN/Z7 WMN/Z9 WMN/Z12 WMF7 WMF9 WMF12

GCN7 ST R22 √* √ √

GCN7 RC R22 √* √ √

GCN9 ST R22 √ √ √

GCN9 RC R22 √* √ √

GCN12 ST R22 √ √ √

GCN12 RC R22 √* √ √

GC14 ST R22 √*

GC14 RC R22 √*

ONG9 ST R22 √*

ONG9 RC R22 √*

ONG12 ST R22 √*

ONG12 RC R22 √*

ONG14 ST R22 √*

ONG14 RC R22 √*

OUTDOOR UNITS

INDOOR UNITS

MODEL REF’ LSO40 PXD9 PXD12 PXD15 K9 K11 K15

GCN9 ST R22 √ √

GCN9 RC R22 √ √

GCN12 ST R22 √

GCN12 RC R22 √

GC14 ST R22 √ √ √

GC14 RC R22 √ √ √

√* - the outdoor unit of this combination cannot be matched to other indoor units.

1-7

INTRODUCTION

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Service Manual - WNG

OUTDOOR UNITS

INDOOR UNITS

MODEL REF’ WNG24 WNG30 WMN24 K24 K30 PXD24 PXD30 KN24 KN30 LS065 LS090

GC24 ST R22 √ √ √ √ √ √

GC24 RC R22 √ √ √ √ √ √

GC30 ST R22 √ √ √ √

GC30 RC R22 √ √ √ √

OU8 33 ST R22 √ √ √ √ √ √

OU8 33 RC R22 √ √ √ √ √ √

The above table lists outdoor units and WNG indoor units which can be matched together. In addition the

listed outdoor units can be matched with other types of indoor units such as cassettes, ﬂoor/ceiling.

For further information please refer to the relevant Service Manual.

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