Heatmaster A450 User manual

25 mm clearance

Gas Cowl

Ventilation holes

in outer flue or

cowl

Ceiling void

ROOF

Flashing

Inner

flue

Outer

flue Framing

50 mm on edge

25mm from

combustible

material

Front of

unit

2nd skin

sit on top

of box

25mm from

combustible

material

Cover clearance

with desired fascia

Spacers on

inside of outer

flue to ensure

25mm clearance

from inner flue to

outer flue

Min Flue

height

3.6 m

from top

of unit

Ceiling void

Inner Flue

Crimp end faces down

Ventilation Holes

Outer Flue

Crimp end faces up

Firebox

ROOF

Situation "B"

600 min

above roof

Silicon flashing

to ensure no water

can enter roof line

Situation "A"

600 min above

roof 3.6 m away

Situation "A" less that 3.6 Metres

Situation "B" greater than 3.6 Metres

4Installation of gas fireboxes

Flue details

Fluing your Heatmaster Gas fireplace.

The Heatmaster double skin flue kit, into timber and plaster must have

clearance of 25mm from any combustible material. Be sure the inner flue

crimped end faces down while the outer flue crimped end faces up. The first

and last length of flue must have ventilation holes, these cool the flue down

by allowing air to travel in between the two skins. Be sure to pop rivet (or use

self-tapers) and silicon flue lengths together along with the cowl. The flue

must protrude above the roofline by no less than 600mm with nothing

obstructing within 3600mm. (See diagram 3B)

Fig 3B - Flue Roof Clearance

Fig 3A - Flue installation

Fig 3C - Off sets and Clearances

200 300

105

450

260

100

230 300

110

650

300 390

100

250 300

150

750

340 430

100

250 330

150

900

340 430

130

420

190

200

470

A 650

380

190

200

470

A 450

440

190

200

480

A 750 and 900

THE “A” SERIES

Standard Insulated

Heatmaster Decorative Gas

Fireplace Installation Guide

Heatmaster

National Office

2/9 Nicole Close Bayswater Victoria 3153

Phone: 03 9761 7130 Fax: 03 9761 7134

Heatmaster

NSW, QLD, ACT

2/23 Victoria Avenue Castle Hill NSW 2154

Phone: 02 9894 7950 Fax: 02 9894 7265

www.heatmaster.com.au

Decorative Gas Fireplaces

STEP 1

STEP 2 STEP 3

Tiled Floor Protector

(Do not block air intake

at bottom of healer)

*Ensure that the gas

connection is done

by a licenced gas fitter.

Gas Kit

Non combustible

decorative

front cover

Selected lining

Power cord

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2Installation of gas fireboxes

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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.

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

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

125mm

270mm

125mm

430mm

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.

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