Yunca Gas WEGJ 2000 User manual

Wegj 2000 Installation Instructions - AUG_2014.doc www.yunca.co.nz Page 1 of 4
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.

Wegj 2000 Installation Instructions - AUG_2014.doc www.yunca.co.nz Page 2 of 4
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
50
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
FIG B
CEILING PLATE
25mm min. BETWEEN LINER & ANY TIMBER
ENLARGEMENT OF CEILING ASSEMBLY
300
300mm 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
25
300
FIG B
COWL MUST SIT HARD DOWN ON BRACKETS ON TOP OF LINER
TO PREVENT WIND NOISE AND RAIN PENETRATION.

Wegj 2000 Installation Instructions - AUG_2014.doc www.yunca.co.nz Page 3 of 4
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
30
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
Min
.
25 mm AIR
GAP
30
0
10
0
53
5
5
0
88
5
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
A
F
BGO
J
DD
C
N
K
J
P
C
DD
O
K
C
N
HM
L
E
E
D
DH

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.