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Open Wood Fireplace A Series Timber Installation Guide

Open Wood Fireplace A Series Timber Installation Guide PDF »

 

The Heatmaster open fireplace system comes as a fully self-contained fireplace kit. The firebox, log grate, ashtray, flues and cowl are the basic components (Fig 1A). When installing your Heatmaster fire place please be sure to read the following carefully and to comply with all clearances. Full specifications are available upon request.

Fig 1A – Flue System sizes and Specifications

Model NoA450A650A750A900
Inner Flue150mm180mm200mm200mm
Outer Flue200mm230mm250mm250mm

easy install modern open wood fireplace

easy install modern open wood fireplace

Fig 1A – Dimensions

Model NoABCDEFGHIJ
A450 595mm395mm670mm195mm205mm195mm90mm100mm195mm200mm
A650 840mm470mm680mm315mm205mm315mm155mm110mm255mm215mm
A750 910mm495mm680mm325mm260mm325mm140mm90mm270mm225mm
A900 1060mm565mm740mm400mm260mm400mm180mm125mm315mm250mm

 

easy install modern open wood fireplace

Fig 1B – Min. Framing Dimensions on Non-combustible floor

Model NoA450A650A750A900
Height from non combustible floor770mm780mm780mm840mm
Width645mm890mm960mm1110mm
Depth “C”430mm505mm530mm600mm

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Fig 1B – Min. Framing Dimensions using standard hearth (fig 2A) on combustible floor

Model NoA450A650A750A900
Height from non combustible floor808mm818mm818mm878mm
Width645mm890mm960mm1110mm
Depth “C”430mm505mm530mm600mm

 

Hearth details

Hearth details for combustible flooring.

The hearth required under the Heatmaster firebox consists of two sheets of 6mm thick fibre-cement with a 1mm thick sheet of steel between them. It must be spaced off the floor with non-combustible spaces (square tubing) to give a 25mm ventilated air gap (Fig 2A). It should extend 350mm in front, 25mm behind and 200mm either side of the firebox opening. (Fig 2B)

Fig 2A – Hearth Installation

easy install modern open wood fireplace

 

easy install modern open wood fireplace

Fig 2B – Hearth Installation

Model Nowidth ‘A’depth ‘B’
A450995mm770mm
A6501240mm845mm
A7501310mm870mm
A900 1460mm940mm

 

Fig 2C – Installing your Heatmaster step by step

Timber Installation. Fully insulated Models. A step by step guide to installing “A series” Heatmaster.

easy install modern open wood fireplace

Step one.
After selecting your Heatmaster unit and installing your hearth (see above diagram fig 2A) erect framework with the appropriate clearance (see timber framing specificationfig 1B).

Step two.
Install selected insulated “A series” Heatmaster unit along with flues (see Flue detail diagram fig 3A).

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.

Fig 2D – Finishing your Heatmaster intallation

easy install modern open wood fireplace

 

Flue details

Fluing your Heatmaster fireplace.

The Heatmaster double skin flue kit, into timber and plaster must have clearance of 25mm from any combustible material. Be sure the inner stainless steel flue crimped end faces down while the outer galvanized flue crimped end faces up. The first length of galvanized flue must have ventilation holes at the bottom; these cool the flue down by allowing air to travel in between the two skins. Be sure to pop rivet (or use self-tapers) each stainless and galvanized flue length together along with the cowl. The flue must protrude above the roofline by no less then 600mm with nothing obstructing within 3600mm (See diagram 3B).

Fig 3A – Flue installation

easy install modern open wood fireplace

 

Fig 3B – Flue Roof Clearance

easy install modern open wood fireplace

 

Fig 3C – Off sets and Clearances

easy install modern open wood fireplace

easy install modern open wood fireplace

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