Heatmaster fully insulated Gas firebox "A Series".
Suitable for timber or brick installation.
The Heatmaster open Gas fireplace system comes as a fully self-contained
fireplace kit. The firebox, gas kit, flues and gas cowl are the basic components
(Fig 1A). When installing your Heatmaster Gas fireplace please be sure to
read the following carefully and to comply with all clearances. Full
specifications are available upon request. Ensure that the gas
connection is carried out by an authorized person in
accordance with local gas fitting regulations.
3
Fig 1B - Min. Framing Dimensions on Non-combustible floor
Fig 1A - Dimensions
Fig 1A - Flue System sizes and Specifications
Fig 2A - Finishing your Heatmaster intallation
Fig 1B
Fig 1A
Step two.
Install selected insulated "A series" Heatmaster unit along
with flues (see Flue detail diagram fig 3A). Insert gas unit
using a qualified Gas Plumber. (For full gas specifications
read the Gas Kit Owners Manual)
Step three.
Enclose framing with plasterboard/gyprock or timber paneling,
ensuring approved clearances are maintained.
Step four.
Select one of our many finishing options. A wide range of stone,
marble, cast iron or steel fascias and mantelpieces are available.
Model No A450 A650 A750 A900
Inner Flue 150mm 180mm 200mm 200mm
Outer Flue 200mm 230mm 250mm 250mm
Model
No
A B C D E F G H J K
A450 595mm 395mm 670mm 195mm 205mm 195mm 90mm 100mm 195mm 200mm
A650 840mm 470mm 680mm 315mm 205mm 315mm 155mm 110mm 255mm 215mm
A750 910mm 495mm 680mm 325mm 260mm 325mm 140mm 90mm 270mm 225mm
A900 1060mm 565mm 740mm 400mm 260mm 400mm 180mm 125mm 315mm 250mm
Model No A450 A650 A750 A900
Height from non combustible floor 695mm 705mm 705mm 765mm
Width 645mm 890mm 960mm 1110mm
Depth “C” 430mm 505mm 530mm 600mm
Model LPG Natural Gas
450 Gas Coal / Log unit 23 MJ/Hr 28 MJ/Hr
650 Gas Coal / Log unit 31 MJ/Hr 37 MJ/Hr
750 Gas Coal / Log unit 31 MJ/Hr 37 MJ/Hr
900 Gas Coal / Log unit 36 MJ/Hr 39 MJ/Hr
650 Gas Log unit 40 MJ/Hr 48 MJ/Hr
750 Gas Log unit 40 MJ/Hr 48 MJ/Hr
900 Gas Log unit 60 MJ/Hr 60 MJ/Hr
Step one.
After selecting your
Heatmaster unit and
installing your hearth,
erect frame work
with the appropriate
clearance (see timber
framing specification fig 1B).
(If using a mantelpiece
ensure that the overall width
of your chimney breast is an
adequate size).
Model No A B
A450 110mm 120mm
A650 95mm 145mm
A750 115mm 125mm
A900 135mm 130mm
Fig 2B - Heatmaster firebox gas pipe location
If installing onto combustible material, Heatmaster recommend 10mm cement sheeting underneath unit. Please take this into account when framing.
Fig 2C - Room Ventilation
Option A
Option B
Permanent ventilation is required. (As per standard AS561 - AG601 - 2000)
A cross sectional area of 40,000sq mm of effective ventilation is required.
Therefore, if using option A you require 2 vents where using option B only requires 1.
Installation of gas fireboxes
Fig 2D - Gas MJ Input for Heatmaster Gas Fires
Step by step installation.
