YUNCA GAS WEGJ 2000 Installation Instructions

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A division of Terry Young Ltd, New Zealand

INSTALLATION INSTRUCTIONS for

WEGJ 2000 (Sub 1.0) FREESTANDING WOODBURNER

AUGUST 2014

TESTED in compliance with AS/NZS 2918: 2001

A. Yunca recommends that competent trades persons carry out all installations (e.g. NZHHA

Registered Installer), to obtain maximum performance and safe, efficient heating.

B. A permit is required and we suggest you check with local building inspectors as by-laws do

vary from area to area. Also notify your Insurance Company that a solid fuel heater has been installed.

C. Floor Protector –

1. Must extend a minimum of 300mm in front of the door aperture.

2. Must extend at least 100mm from each side of the heater.

3. Ash Floor Protector must be constructed of non-combustible materials, with a

minimum thickness of 12mm.

D. Seismic restraint – Heater must be restrained from seismic movement as required by AS/NZS

2918:2001. 10mm diameter bolting holes in the rear corners allow restraint.

E. Manufacturers recommended tested minimum clearances from combustible walls.

Tested to AS/NZS 2918 : 2001 by APPLIED RESEARCH SERVICES LTD

Clearance

Rear Clearance (with YUNCA flue shield fitted)

100mm

Side Clearance (with YUNCA flue shield fitted)

200mm

Corner Clearance (with YUNCA flue shield fitted)

30mm

Rear Clearance (without YUNCA flue shield)

350mm

Side Clearance (without YUNCA flue shield)

200mm

Corner Clearance (without YUNCA flue shield)

140mm

F. YUNCA Flue Kit (Complies to AS/NZS 2918:2001 Appendix F): FIG A, B & E

1. 4.2m x 150mm stainless steel flue. 4. 1 x insulation boundary shield.

2. 2.4m x 250mm galvanised liner. 5. 2 x spider brackets.

3. 1 x ceiling tile (430mm x 430mm). 6. 1 x weather cap & cowl. Please Note: All flue joints must be sealed with flue sealing compound. Use stainless steel

screws or rivets to join the flue pipe (three equally spaced places at each joint). The first length of flue must be fixed to the flue spigot with at least one stainless steel screw or rivet. The required minimum flue termination height is 4.6 m above the floor protector.

G. WEGJ 2000 (Sub 1.0) Flue Mounted Shield (Flue Guard) Kit. Complies (with heater) to

AS/NZS 2918:2001): Refer FIG A

1 x 1200mm length lined back guard, plus an optional adjustable 900mm extension. 1 x 1200mm length perforated front guard. 1 x 1200mm length tertiary back guard with spacers. 1 x top front deflector shield (half round shaped, angled 30 degrees when installed).

Please Note: The minimum Flue Mounted Shield Height Is 1200mm.

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WEGJ 2000 (SUB1.0) – TYPICAL INSTALLATION (drawings on the following pages are not to scale) FIG A WEGJ 2000 (Sub 1.0) Flue Mounted Shield (Flue Guard) Kit.

Complies (with heater) to AS/NZS 2918:2001

5mm Max

300

535

100

LINER POSITIONED BY SPIDER BRACKETS. TOP/BOTTOM

FLUE

TOP CAP (Fits inside flue)

FLASHING

25 MM BETWEEN LINER AND ANY TIMBER.

TIMBER RAILS

SUPPORT ANGLES

25 mm min BETWEEN LINER & ANY TIMBER

LINER POSITIONED BY SPIDER BRACKETS TOP & BOTTOM.

SUPPORT ANGLES

300mm sq TIMBER FRAME

CEILING

1200mm LINED BACK GUARD

TERTIARY BACK GUARD

TWO SEISMIC RESTRAINT attachment points. cover with caps.

600mm ABOVE THE RIDGE LINE (MIN) *

* If within 3.0m of ridge line*

1200mm FRONT GUARD

4.6 M. MINIMUM

Note: All Dimensions are in millimetres.

ASH FLOOR PROTECTOR

Top Front Angled Deflector

FIG.C: WEGJ 2000 HEATER DIMENSIONS AND WATER BOOSTER POSITIONS (not to scale)

CONDITIONS FOR FLUES (Refer Fig. E)

1. The FLUE shall extend to:

Not less than 600mm above the highest point on the roof if within 3.0m of that point, or

Not less than 1000mm above the intersection point with the roof and not lower than any point of the roof within 3.0m.

In any case the length of the flue shall not be less than 4.6m from the ash floor protector.

In some situations the Local Council may vary the above requirements.

2. The flue system must be tested and comply with AS/NZS2918:2001, Appendix F.

3. The insulation boundary shield shall be capable of preventing accidental migration of loose-fill or any combustible material by any action of wind or by persons moving in the ceiling space.

These instructions, spare parts information, operation and maintenance guides may be downloaded from www.yunca.co.nz

CEILING PLATE

25m m min. BETWEEN LINER & ANY TIMBER

ENLARGEMENT OF CEILING ASSEMBLY

300

300 m m Sq. TIMBER FRAME

TIMBER RAILS

SUPPORT ANGLES

LINER POSITIONED BY SPIDER BRACKETS. TOP/BOTTOM

INSULATION BOUNDARY SHIELD

CUT CEILING MATERIAL BACK 25mm CLEAR OF BOUNDARY SHEILD.

CEILING

300

FIG B

COWL MUST SIT HARD DOWN ON BRACKETS ON TOP OF LINER TO PREVENT WIND NOISE AND RAIN PENETRATION.

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NOTE: A WATER BOOSTER CANNOT BE FITTED IN CLEAN AIR ZONES

FIG.D: HEATER POSITION (not to scale)

FIG D: MINIMUM FIRE TO COMBUSTABLE WALL CLEARANCES – WEGJ 2000 (SUB 1.0)

(WITH YUNCA FLUE MOUNTED SHIELD FITTED). Measurements in millimetres.

A B E F G H

100

200

325

575

454

FIG D: MINIMUM FLOOR PROTECTION MEASUREMENTS

(WITH YUNCA FLUE MOUNTED SHIELD FITTED). Measurements in millimetres.

C D J K L M N O P

300

100

950

935

1247

1147

610

750

635

FIG E: FLUE SYSTEM REQUIREMENTS (not to scale)

950

25 mm AIR

301053588

Above: Non combustible wall clearances. Brick lining from floor to within 25mm of ceiling. Leave air vents at the bottom to allow airflow in the cavity. If Yunca flue mounted shield is fitted, brickwork may be 1200mm high as long as all vertical joints in top and bottom of brickwork are left out to allow airflow when brickwork is capped.

130

393

471

Ash Floor Protector

300

750

225

535

600

760

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Wegj 2000 Installation Instructions - AUG_2014.doc www.yunca.co.nz Page 4 of 4

More than 30003000

or less

600 min.

3000

1000 min. if clear

within 3000 of

flue top

3000

Any nearby

structure

1000 min. if clear

within 3000 of flue top

MINIMUM HEIGHT OF FLUE SYSTEM EXIT

NOTE : Dimensions are in millimetres

3000

or less

600 min.

More than 3000

3000

Increase from 1000 min. until clear within 3000 of flue top

IMPORTANT INFORMATION

A. THE APPLIANCE AND FLUE SYSTEM SHALL BE INSTALLED IN COMPLIANCE WITH AS/NZS

2918:2001 AND THE APPROPRIATE REQUIREMENTS OF THE RELEVANT BUILDING CODE OR CODES.

B. APPLIANCES INSTALLED IN ACCORDANCE WITH THIS STANDARD SHALL COMPLY WITH THE

REQUIREMENTS OF AS/NZS 4013 WHERE REQUIRED BY THE REGULATORY AUTHORITY I.E. THE

APPLIANCE SHALL BE IDENTIFIABLE BY A COMPLIANCE PLATE WITH THE MARKING “TESTED TO AS/NZS 4013”

C. ANY MODIFICATION OF THE APPLIANCE THAT HAS NOT BEEN APPROVED IN WRITING BY THE

TESTING AUTHORITY IS CONSIDERED TO BE IN BREACH OF THE APPROVAL GRANTED FOR COMPLIANCE WITH AS/NZS 4013

D. MIXING OF APPLIANCE OR FLUE SYSTEM COMPONENTS FROM DIFFERENT SOURCES OR

MODIFYING THE DIMENSIONAL SPECIFICATION OF COMPONENTS MAY RESULT IN HAZARDOUS CONDITIONS. WHERE SUCH ACTION IS CONSIDERED, THE MANUFACTURER SHOULD BE CONSULTED IN THE FIRST INSTANCE.

E. CRACKED AND BROKEN COMPONENTS E.G. GLASS PANELS OR FIRE BRICKS, MAY RENDER THE

INSTALLATION UNSAFE.

IF A WATERBOOSTER IS FITTED:

NOTE: A WATER BOOSTER CANNOT BE FITTED IN SOME CLEAN AIR ZONES (CHECK LOCAL COUNCIL REGULATIONS)

A. DO NOT CONNECT TO AN UNVENTED HOT WATER SYSTEM B. INSTALL IN ACCORDANCE WITH AS 3500.4.1 OR NZS 4603 AND THE APPROPRIATE

REQUIREMENTS OF THE RELEVANT BUILDING CODES.

SEISMIC RESTRAINT

Secure the heater base to the hearth or sub-framing with Dynabolts or similar. Follow local Council’s Specifications.