Yunca Gas MULTI FUEL ZERO CLEARANCE INBUILT User Manual

INSTALLATION INSTRUCTIONS MULTI FUEL
COMPLIES WITH NZS 7421-1990, AND NMZ 7421-1985 CLAUSE 307-3
*The original testing was designed to cater for older homes with brick or pumice cement
chimneys that incorporated brick open fires and had contact on the outer surfaces with timber
framing and/or cladding. This also included for timber contact above the fire opening lintel.
The term zero clearance as used with the old standard, NZS 7421:1990 Appendix J, referred
in the main to the "zero" clearance contact with the outer timber framing / cladding with the
outer surfaces of the brick fireplace cavity and chimney. This same set of conditions does not
apply to how zero clearance is used in today's language, where inbuilt fires are installed into
internal timber framed fireplace enclosures
A. The manufacturer recommends all installations be carried out by competent trades
persons (e.g. space heater installer) to obtain maximum performance and maintenance
free heating.
B. A permit is required and we suggest you check with your local building inspectors as by-
laws vary from area to area. Also notify your insurance company that a space heater has
been installed.
C. Hearth – 1. Must extend at least 300mm in front of the heater glass.
D. Mantel - A minimum of 600mm is required from the top of the fascia panel to any heat
E. Flue Kit – 3.6m of 150mm dia stainless steel flue.
F. NOTE -
G. Waterbooster (Wetback). Holes may be pre-drilled in the rear of the fire box ready to
Additional copies of installation instructions and operations/maintenance information
JANUARY 1997 (revised Sept 2008)
ZERO CLEARANCE* INBUILT
2. Must extend at least 150mm either side of the heater
3. Must be constructed of non-combustible materials giving heat resistance
equal to concrete or brick at least 50mm thick.
sensitive material.
1 x weather cap and cowl
1 x steel deflector shield.
1. All joints must be sealed with flue sealing compound and screwed or riveted
together.
2. IMPORTANT: Pack Kao wool or similar around the firebox outer case and
wire in place. Place kao wool (or similar) over the top of the firebox. (ref pg 2)
3. Seal between fascia and fireplace. (ref page 2)
knock out however these are not suitable for inbuilt installations (side entry may
be better suited). The installer may drill at a C/L height of 352mm for the cold-in
pipe, and at 422mm for the hot-out pipe.
This appliance is not clean air approved.
can downloaded from our website www.yunca.co.nz