AS/NZS 4012:1999

1 - AS/NZS 4012:1999 DOMESTIC SOLID FUEL BURNING APPLIANCES-METHOD FOR DETERMINATION OF POWER OUTPUT AND EFFICIENCY
4 - PREFACE
5 - CONTENTS
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 APPLICATION
7 - 1.2.1 General
7 - 1.2.2 Included appliances
7 - 1.2.3 Excluded appliances
7 - 1.3 REFERENCED DOCUMENTS
7 - 1.4 DEFINITIONS
7 - 1.4.1 Appliance operating instructions
7 - 1.4.2 Average efficiency
7 - 1.4.3 Batch feed
8 - 1.4.4 Burn cycle time
8 - 1.4.5 Burn rate
8 - 1.4.6 Bypass damper
8 - 1.4.7 Calorimeter room
8 - 1.4.8 Efficiency (overall efficiency or appliance efficiency)
8 - 1.4.9 Inlet air damper
8 - 1.4.10 Peak power
8 - 1.4.11 Test fuel load
8 - 1.4.12 Shall
8 - 1.5 PRINCIPLE
9 - SECTION 2 APPARATUS
9 - 2.1 AMBIENT TEMPERATURE MEASUREMENT SYSTEM
9 - 2.2 APPLIANCE TEMPERATURE MEASUREMENT SYSTEM
9 - 2.3 WEIGHT DETERMINATION EQUIPMENT
9 - 2.4 MASS FLOW MEASUREMENT SYSTEM
9 - 2.5 AMBIENT AIR PRESSURE MEASUREMENT SYSTEM
9 - 2.6 ANEMOMETER
10 - SECTION 3 TEST ENCLOSURE AND FLUE
10 - 3.1 GENERAL
10 - 3.2 ROOM INSULATION
10 - 3.3 LENGTH OF FLUE
10 - 3.4 EXPOSED FLUE WITHIN CALORIMETER ROOM
10 - 3.4.1 Freestanding appliances
10 - 3.4.2 Fireplace-insert appliances
10 - 3.5 AIR TEMPERATURES
10 - 3.6 AIR PRESSURE
10 - 3.7 WALL TEMPERATURES
10 - 3.8 AIR FLOW
10 - 3.9 CALIBRATION
10 - 3.9.1 General
11 - 3.9.2 Calorimeter room
11 - 3.9.3 Barometer
11 - 3.9.4 Anemometer
11 - 3.9.5 Weighing instruments
14 - SECTION 4 MEASUREMENT ACCURACY
14 - 4.1 TEMPERATURE AND MASS FLOW
14 - 4.2 CALORIMETER ROOM SCALES
15 - SECTION 5 TEST FUEL
15 - 5.1 GENERAL
15 - 5.2 FUEL CHAMBER USABLE VOLUME
15 - 5.3 TEST FUEL LOAD
15 - 5.3.1 General
15 - 5.3.2 Firewood test fuel load mass
16 - 5.3.3 Coal test fuel load mass
16 - 5.3.4 Combination firewood and coal fuels
16 - 5.4 FIREWOOD PIECE DIMENSIONS
16 - 5.4.1 General
16 - 5.4.2 Length range
16 - 5.4.3 Cross-section
16 - 5.4.4 Calculation of number of fuel pieces in a test fuel load
16 - 5.4.5 Firewood piece length
17 - SECTION 6 TEST PROCEDURE
17 - 6.1 PREPARATION BEFORE TESTING
17 - 6.1.1 Appliance air flow test
17 - 6.1.2 Conditioning burn
17 - 6.1.3 Post-conditioning adjustment
17 - 6.1.4 Ash
17 - 6.1.5 Fire lighting
17 - 6.1.6 Pretest burn cycle
18 - 6.2 FUEL LOADING
18 - 6.2.1 General
18 - 6.2.2 Firewood loading geometry
18 - 6.2.3 Coal fuel-loading geometry
18 - 6.2.4 Mixed firewood and coal fuel-loading geometry
18 - 6.3 BURN RATES
18 - 6.4 BURN CYCLE
19 - 6.5 NUMBER OF BURN CYCLES
19 - 6.6 DATA-RECORDING INTERVAL
19 - 6.7 OPERATION OF THE APPLIANCE
19 - 6.7.1 Baffle bypass damper
19 - 6.7.2 Burn-rate control
19 - 6.7.3 Fans
19 - 6.7.4 Other controls
19 - 6.7.5 Automatic controls
19 - 6.8 APPLIANCES WITH A WATER-HEATING FACILITY
19 - 6.9 DUCTED APPLIANCES
20 - 6.10 POST-BURN APPLIANCE AIR-FLOW TEST
21 - SECTION 7 CALCULATION AND REPORTING OF RESULTS
21 - 7.1 CALCULATIONS
21 - 7.1.1 Average power
21 - 7.1.2 Heat output
21 - 7.1.3 Energy input
21 - 7.1.4 Efficiency
21 - 7.1.5 Fuel consumption rate
21 - 7.2 REPORT
22 - SECTION 8 MARKING
22 - 8.1 GENERAL
22 - 8.2 COMPULSORY PERMANENT MARKING
22 - 8.3 FUEL TYPES
22 - 8.4 ADDITIONAL MARKING
22 - 8.5 RETESTING EXEMPTION
24 - APPENDIX A - FIREWOOD DETERMINATION-WORKED EXAMPLE
24 - A1 SCOPE
24 - A2 WORKED EXAMPLE-FIREWOOD DETERMINATION

Specifies a method for the determination of the average efficiency and average thermal power output from batch feed domestic solid fuel burning appliances.

This Standard sets out a method for the determination of the average efficiency and average thermal power output from a batch-fed domestic solid fuel burning appliance.

Originated in Australia as AS 4012-1992.
Originated in New Zealand as NZS 7402:1992.
AS 4012-1992 and NZS 7402:1992 jointly revised, amalgamated and designated AS/NZS 4012:1999.