AS/NZS 4474.1:1997 PERFORMANCE OF HOUSEHOLD ELECTRICAL APPLIANCES-REFRIGERATING APPLIANCES - ENERGY CONSUMPTION AND...
PREFACE
CONTENTS
FOREWORD
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
1.3.1 Automatic ice-maker
1.3.2 Baffle
1.3.3 Compartment and subcompartment
1.3.4 Convenience feature
1.3.5 Crisper
1.3.6 Cyclic defrost appliance
1.3.7 Defrost system
1.3.8 Designation
1.3.9 Drip tray
1.3.10 Evaporator
1.3.11 Food storage compartment type
1.3.12 Freezer test packages
1.3.13 Frost-free appliance
1.3.14 Group
1.3.15 Household refrigerating appliance
1.3.16 Household refrigerating appliance configuration
1.3.17 Household refrigerating appliance designation
1.3.18 Household refrigerating appliance group
1.3.19 Liner
1.3.20 M package
1.3.21 Operating states
1.3.22 Shelf
1.3.23 Statements of intention
1.3.24 Target temperature (tt)
1.3.25 Temperature control
1.3.26 Temperature control cycle
1.3.27 Tested energy consumption (Et)
1.3.28 1.3.28 Volume
SECTION 2 CLASSIFICATION, MEASUREMENT AND TEST REQUIREMENTS
2.1 SCOPE
2.2 CONSIDERATION OF CONVENIENCE FEATURES
2.3 CLASSIFICATION OF APPLIANCES
2.3.1 General
2.3.2 Compartment type
2.3.3 Household refrigerating appliance configuration
2.3.4 Household refrigerating appliance designation
2.3.5 Household refrigerating appliance group
2.4 DEFROST CONTROL CYCLE CHARACTERISTICS
2.4.1 General
2.4.2 Defrost system characteristics
2.5 STORAGE SHELF AREA
2.6 GROSS AND STORAGE VOLUMES
2.7 TEST ROOM, INSTRUMENTATION AND MATERIALS
2.8 PREPARATION OF AN APPLIANCE FOR TESTING
2.9 DETERMINATION OF COMPARTMENT AIR TEMPERATURES
2.10 SELECTION AND PLACEMENT OF FREEZER TEST PACKAGES
2.11 THERMAL EQUILIBRIUM (FOR PULL DOWN TESTS)
2.12 PULL DOWN PERFORMANCE
2.13 THERMAL STABILITY (FOR OPERATING TEMPERATURE PERFORMANCE, ENERGY CONSUMPTION AND AUTOMATIC ICE-MAKING)
2.14 AUTOMATIC ICE-MAKING PERFORMANCE
2.15 OPERATING TEMPERATURE PERFORMANCE
2.16 DETERMINATION OF TESTED ENERGY CONSUMPTION (Et)
2.17 METHOD OF INTERPOLATION FOR A SINGLE-CONTROL
2.18 METHOD OF INTERPOLATION FOR TWO CONTROLS
2.19 FITTING A QUADRATIC EQUATION TO EXPERIMENTAL DATA
2.20 CALCULATION OF Et-WORKED EXAMPLES
2.21 DETERMINATION OF APPLIANCE GROUP-WORKED EXAMPLES
2.22 REPORTING OF RESULTS
SECTION 3 PERFORMANCE REQUIREMENTS
3.1 GENERAL
3.2 RATED STORAGE SHELF AREA
3.3 RATED GROSS AND STORAGE VOLUMES
3.4 PULL DOWN
3.5 AUTOMATIC ICE-MAKING CAPACITY
3.6 OPERATING TEMPERATURE PERFORMANCE
3.6.1 General
3.6.2 Multi-use compartments
3.6.3 Ice-making compartments
3.6.4 Group 1 to 5 appliances with no fresh food space
3.7 TESTED ENERGY CONSUMPTION (Et)
3.8 MARKINGS
SECTION 4 MARKING REQUIREMENTS
4.1 GENERAL
4.2 HOUSEHOLD REFRIGERATING APPLIANCE GROUP
4.3 FOOD STORAGE COMPARTMENT TYPE
4.4 MODEL IDENTIFICATIONS
4.5 RATED GROSS AND STORAGE VOLUMES
APPENDIX A - DETERMINATION OF VOLUME AND AREAS
A1 SCOPE
A2 DETERMINATION OF MEASURED STORAGE SHELF AREA
A2.1 Method of determination
A2.2 Full shelves composed of a single part
A2.3 Fractional shelves
A2.4 Cut-away shelves
A2.5 Juxtaposed shelves
A2.6 Door shelves
A2.7 Baskets
A2.8 Particular cases
A2.9 Drip tray
A2.10 Suspended containers
A3 DETERMINATION OF RATED STORAGE SHELF AREA
A4 DETERMINATION OF MEASURED GROSS VOLUME
A5 DETERMINATION OF MEASURED STORAGE VOLUME
A6 DETERMINATION OF THE STORAGE VOLUME OF THE EVAPORATOR
A6.1 General
A6.2 Depth
A6.3 Width
A6.4 Height
A7 DETERMINATION OF THE VOLUMES OF SHELVES AND PARTITIONS
A7.1 Thickness
A7.2 Full shelves and partitions
A7.3 Fractional shelves and partitions (if applicable)
A8 DETERMINATION OF RATED GROSS AND STORAGE VOLUMES
A8.1 General
A8.2 Rated gross or storage volume of a compartment
A8.3 Rated total gross or storage volume
APPENDIX B - TEST ROOM, INSTRUMENTATION AND MATERIALS
B1 SCOPE
B2 ACCURACY AND PRECISION OF MEASUREMENTS
B3 TEST ROOM CHARACTERISTICS
B3.1 Air circulation and temperature conditions
B4 ELECTRICAL SUPPLY
B4.1 Electricity supply
B5 MEASUREMENT ACCURACIES AND INSTRUMENTS
B5.1 Mass
B5.2 Temperature
B5.3 Electrical energy consumption
B5.4 Length
B5.5 Time
B5.6 Water consumption
B6 ASSOCIATED MATERIALS AND DEVICES
B6.1 Freezer test packages
B6.2 Air temperature sensors
APPENDIX C - PREPARATION OF AN APPLIANCE FOR TESTING AND GENERAL TEST PROCEDURES
C1
C2 PREPARATION AND SET UP OF APPLIANCE FOR TESTING
C2.1 General
C2.2 Run-in
C2.3 Installation
C2.4 Combined appliances
C2.5 Setting up
C2.6 Multi-use compartments
C2.7 User-adjustable features
C2.8 Automatic ice-makers
C2.9 Ice trays
C2.10 Pre-test condition
C2.11 Appliance control settings
C3 TEMPERATURE MEASUREMENT
C3.1 Ambient air temperature sensor
C3.2 Test leads
APPENDIX D - DETERMINATION OF COMPARTMENT AVERAGE AIR TEMPERATURES FOR OPERATION AND ENERGY CONSUMPTION TEST
D1 SCOPE
D2 LOCATION OF SENSORS
D2.1 In unfrozen food storage compartments
D2.2 In frozen food storage compartments
D2.3 Equivalent positions
D3 DETERMINATION OF COMPARTMENT TEMPERATURE FOR PULL DOWN TESTS
D4 DETERMINATION OF COMPARTMENT TEMPERATURE FOR OPERATION AND ENERGY CONSUMPTION TESTS
D4.1 General
D4.2 Determination of the average temperature at a sensor over a period
D4.3 Determination of the temperature of a compartment
APPENDIX E - DETERMINATION OF COMPARTMENT TEMPERATURES USING FREEZER TEST PACKAGES
E1 SCOPE
E2 GENERAL
E3 ARRANGEMENT
E3.1 General
E3.2 Surface contact
E3.3 Air passages
E3.4 Top clearance
E3.5 Door storage
E3.6 M packages
E4 DETERMINATION OF COMPARTMENT TEMPERATURE
APPENDIX F - THERMAL EQUILIBRIUM FOR PULL DOWN TESTS
F1 INTRODUCTION
F2 SCOPE
F3 PROCEDURE
APPENDIX G - PULL DOWN TEST
G1 SCOPE
G2 TEST CONDITIONS
G2.1 General
G2.2 Disconnection of devices
G2.3 User adjustable features
G2.4 Ice trays
G2.5 Temperature sensors
G2.6 Ambient temperature
G3 TEST PROCEDURE
APPENDIX H - THERMAL STABILITY FOR THE DETERMINATION OF OPERATING TEMPERATURE PERFORMANCE, ENERGY CONSUMPTION AND...
H1 SCOPE
H2 THERMAL STABILITY
H3 REQUIREMENTS
H4 EXEMPTIONS FROM THERMAL STABILITY REQUIREMENTS
H5 INCLUSION OF VERIFICATION PERIOD IN A TEST PERIOD
APPENDIX I - AUTOMATIC ICE-MAKING TEST
I1 SCOPE
I2 TEST CONDITIONS
I2.1 General
I2.2 Setting up
I2.3 User adjustable features
I2.4 Ice trays
I2.5 Freezer test packages
I2.6 Defrost devices
I2.7 Water supply
I2.8 Ambient temperature
I3 TEST PROCEDURE
APPENDIX J - OPERATING TEMPERATURE PERFORMANCE TEST
J1 SCOPE
J2 TEST CONDITIONS
J2.1 General
J2.2 Multi-use compartments
J2.3 User-adjustable features
J2.4 Ice trays
J2.5 Air temperature sensors
J2.6 Freezer test packages
J2.7 Defrost devices
J2.8 Ambient temperature
J3 TEST PROCEDURE
J4 COMPLIANCE WITH PERFORMANCE REQUIREMENTS
J4.1 General
J4.2 Demonstration of compliance
APPENDIX K - DETERMINATION OF ENERGY CONSUMPTION
K1 SCOPE
K2 GENERAL
K3 NUMBERS OF TEST RUNS
K4 TEST CONDITIONS
K4.1 General
K4.2 User adjustable features
K4.3 Ice trays
K4.4 Air temperature sensors
K4.5 Defrost devices
K4.6 Ambient temperature
K5 DURATION OF TEST
K5.1 General
K5.2 Where thermal stability can be attained
K5.3 A5.3 Where thermal stability cannot be attained
K6 MULTIPLE COOLING SYSTEMS
K7 TEST PROCEDURE
K8 CALCULATION OF ENERGY CONSUMPTION
K9 REQUIREMENTS FOR VERIFICATION TESTS
APPENDIX L - METHOD OF INTERPOLATION WHEN ONLY ONE CONTROL IS ADJUSTED
L1 SCOPE
L2 GENERAL
L3 MINIMUM REQUIREMENTS FOR INTERPOLATION
L4 CALCULATIONS
APPENDIX M - METHOD OF INTERPOLATION WHEN TWO CONTROLS ARE ADJUSTED
M1 SCOPE
M2 GENERAL
M3 MINIMUM REQUIREMENTS FOR INTERPOLATION
M4 CALCULATIONS
APPENDIX N - FITTING A QUADRATIC EQUATION TO THREE POINTS
N1 GENERAL
APPENDIX O - EXAMPLES OF DETERMINATIONS OF TESTED ENERGY CONSUMPTION (Et)
O1 SCOPE
O2 TEMPERATURE CONTROLS
APPENDIX P - EXAMPLE DETERMINATIONS OF APPLIANCE GROUP
P1 SCOPE
APPENDIX Q - REFRIGERATING APPLIANCE TEST REPORT FORMAT
Q1 SCOPE
Q2 TEST REPORT FORMAT
