Standard
Track updates
AS/NZS 3823.1.2:2012
[Pending Revision]Adopts ISO 13253:2011 wih modifications, to establish test methods for determining the capacity and efficiency ratings of ducted, air-cooled airconditioners and ducted air-to-air heat pumps. Residential, commercial and industrial single-package and split-system airconditioners and heat pumps are included.
Published: 11/05/2012
Pages: 92
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Airflow
5.1 General
5.2 Indoor airflow setting
5.3 ESP for rating
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
5.3.6
5.4 Outdoor airflow
5.5 Unit supplied without indoor fan
6 Cooling tests
6.1 Cooling capacity tests
6.1.1 General conditions
6.1.1.1
6.1.1.2
6.1.2 Temperature conditions
6.1.2.1
6.1.2.2
6.1.2.3
6.1.2.4
6.1.2.5
6.1.3 Test conditions
6.1.3.1 Preconditions
6.1.3.2 Duration of test
6.2 Maximum cooling performance test
6.2.1 General conditions
6.2.2 Temperature conditions
6.2.3 Airflow conditions
6.2.4 Test conditions
6.2.4.1 Preconditions
6.2.4.2 Duration of test
6.2.5 Performance requirements
6.2.5.1
6.2.5.2
6.2.5.3
6.3 Minimum cooling performance test
6.3.1 General conditions
6.3.2 Temperature conditions
6.3.3 Airflow conditions
6.3.4 Test conditions
6.3.4.1 Preconditions
6.3.4.2 Duration of test
6.3.5 Performance requirements
6.3.5.1
6.3.5.2
6.3.5.3
6.4 Condensate control and enclosure sweat performance test
6.4.1 General conditions
6.4.2 Temperature conditions
6.4.3 Airflow conditions
6.4.4 Test conditions
6.4.4.1 Preconditions
6.4.4.2 Duration of test
6.4.5 Performance requirements
6.4.5.1
6.4.5.2
7 Heating tests
7.1 Heating capacity tests
7.1.1 General conditions
7.1.1.1
7.1.1.2
7.1.1.3
7.1.1.4
7.1.1.5
7.1.1.6
7.1.2 Temperature conditions
7.1.2.1
7.1.2.2
7.1.2.3
7.1.2.4
7.1.3 Airflow conditions
7.1.3.1 General conditions
7.1.3.1.1
7.1.3.1.2
7.1.3.1.3
7.1.3.2 Requirements when testing heat pumps that provide both cooling and heating
7.1.3.2.1
7.1.3.2.2
7.1.3.3 Requirements when testing heating-only heat pumps
7.1.3.3.1
7.1.3.3.2
7.1.3.3.3
7.1.4 Defrost operation
7.1.4.1
7.1.4.2
7.1.4.3
7.1.5 Test procedure — General
7.1.5.1
7.1.5.2
7.1.6 Preconditioning period
7.1.6.1
7.1.6.2
7.1.6.3
7.1.7 Equilibrium period
7.1.7.1
7.1.7.2
7.1.7.3
7.1.8 Data collection period
7.1.8.1
7.1.8.2
7.1.8.3
7.1.8.4
7.1.8.5
7.1.8.6
7.1.8.7
7.1.9 Test procedure when a defrost cycle (whether automatically or manually initiated) ends the preconditioning period
7.1.9.1
7.1.9.2
7.1.10 Test procedure when a defrost cycle does not end the preconditioning period
7.1.10.1
7.1.10.2
7.1.10.3
7.1.10.4
7.1.11 Test procedure for transient tests
7.1.11.1
7.1.11.2
7.1.11.3
7.1.11.4
7.1.11.5
7.1.11.6
7.1.11.7
7.1.12 Heating capacity test results
7.1.12.1
7.1.12.2
7.2 Maximum heating performance test
7.2.1 General conditions
7.2.2 Temperature conditions
7.2.3 Airflow conditions
7.2.4 Test conditions
7.2.4.1 Preconditions
7.2.4.2 Duration of test
7.2.5 Performance requirements
7.3 Minimum heating performance test
7.3.1 General conditions
7.3.2 Temperature conditions
7.3.3 Airflow conditions
7.3.4 Test conditions
7.3.4.1 Preconditions
7.3.4.2 Duration of test
7.3.5 Performance requirements
8 Test methods and uncertainties of measurement
8.1 Test methods
8.1.1 General
8.1.2 Calorimeter test method
8.1.2.1
8.1.2.2
8.1.2.3
8.1.3 Indoor air enthalpy method
8.1.3.1
8.1.3.2
8.1.4 Capacity tests
8.2 Uncertainty of measurement
8.2.1
8.2.2
8.2.3
8.2.4
8.3 Test tolerances for steady-state cooling and heating capacity tests
8.3.1
8.3.2
8.3.3
8.3.4
8.3.5
8.4 Test tolerances for steady state performance tests
9 Test results
9.1 Capacity results
9.1.1 General
9.1.2 Adjustments
9.1.3 Cooling capacity calculations
9.1.3.1
9.1.3.2
9.1.3.3
9.1.4 Heating capacity calculations
9.1.4.1 Steady-state capacity tests
9.1.4.1.1
9.1.4.1.2
9.1.4.1.3
9.1.4.2 Transient capacity tests
9.1.4.2.1
9.1.4.2.2
9.1.4.2.3
9.1.4.2.4
9.2 Data to be recorded
9.3 Test report
9.3.1 General information
9.3.2 Capacity test results
10 Marking provisions
10.1 Nameplate requirements
10.2 Nameplate information
10.3 Split systems
11 Publication of ratings
11.1 Standard ratings
11.1.1
11.1.2
11.1.3
11.1.4
11.2 Other ratings
Annex A
A.1 General
A.2 Test method
A.2.1
A.2.2
A.2.3
A.3 Fixed duct resistance method
A.3.1 General
A.3.2 Test procedure
A.3.2.1 Test conditions
A.3.2.2 Blowing test
A.3.2.3 Evaluation
A.3.2.4 Cooling and heating tests
A.4 Adjusted exhaust fan setting method
A.4.1 General
A.4.2 Test procedure
A.4.3 Blowing test
A.4.4 Calculation of the value of, C
A.4.5 Evaluation
A.4.6 Cooling and heating tests
A.5 Unit without indoor fan
AnnexB
B.1 General test room requirements
B.1.1
B.1.2
B.1.3
B.2 Equipment installation
B.2.1
B.2.2
B.2.3
B.2.4
B.2.5
B.3 Static pressure measurements across indoor coil — Equipment with a fan and a single outlet
B.3.1
B.3.2
B.4 Equipment with fans and multiple outlets or multiple indoor units
B.4.1
B.4.2
B.5 Equipment without a fan and with a single outlet
Annex C
C.1 Airflow determination
C.1.1
C.1.2
C.2 Airflow and static pressure
C.3 Nozzle apparatus
C.3.1
C.3.2
C.3.3
C.3.4
C.3.5
C.3.5.1
C.3.5.2
C.3.5.3
C.3.5.4
C.4 Static pressure measurements
C.4.1
C.4.2
C.5 Discharge airflow measurements
C.5.1
C.5.2
C.6 Indoor-side airflow measurements
C.6.1
C.6.2
C.6.3
C.7 Ventilation, exhaust and leakage airflow measurements — Calorimeter test method
C.7.1
C.7.2
C.7.3
Annex D
D.1 General
D.1.1
D.1.2
D.1.3
D.1.4
D.1.5
D.1.6
D.1.7
D.1.8
D.1.9
D.1.10
D.1.11
D.2 Calibrated room-type calorimeter
D.2.1
D.2.2
D.2.3
D.2.4
D.3 Balanced ambient room-type calorimeter
D.3.1
D.3.2
D.3.3
D.3.4
D.4 Calculation of cooling capacity
D.4.1
D.4.2
D.4.3
D.4.4
D.4.5
D.4.6
D.4.7
D.4.8
D.4.9
D.4.10
D.5 Calculation of heating capacity
D.5.1
D.5.2
D.5.3
Annex E
E.1 General
E.2 Application
E.2.1
E.2.2
E.2.3
E.3 Calculation of cooling capacity
E.4 Calculation of heating capacity
E.5 Airflow enthalpy measurements
E.5.1 General
E.5.2 Tunnel air enthalpy method
E.5.3 Loop air enthalpy method
E.6 Calorimeter air enthalpy method
Annex F
F.1 General description
F.1.1
F.1.2
F.1.3
F.2 Measurement of refrigerant properties
F.2.1
F.2.2
F.2.3
F.2.4
F.2.5
F.2.6
F.3 Compressor calibration
F.3.1
F.3.2
F.3.3
F.3.4
F.3.5
F.4 Direct heating capacity measurements
F.4.1
F.4.2
F.4.3
F.4.4
F.4.5
F.5 Calculation of cooling capacity
F.5.1
F.5.2
F.6 Calculation of heating capacity
Annex G
G.1 General
G.1.1
G.1.2
G.1.3
G.1.4
G.2 Refrigerant flow method
G.2.1
G.2.2
G.2.3
G.3 Refrigerant temperature and pressure measurements
G.4 Calculation of cooling capacity
G.5 Calculation of heating capacities
Annex H
H.1 General
H.1.1
H.1.2
H.2 Test room requirements
H.2.1
H.2.2
H.2.3
H.3 Testing conditions
H.4 Calculations
H.4.1
H.4.2
H.4.3
Annex I
I.1 General
I.1.1
I.1.2
I.2 Test room requirements
I.3 Measurement
I.3.1
I.3.2
Annex J
J.1 General
J.1.1
J.1.2
J.2 Test room requirements
J.3 Measurement
J.3.1
J.3.2
Annex K
K.1 General
K.1.1
K.1.2
K.1.3
K.2 Measurement
K.2.1
K.2.2
K.2.3
Annex L
L.1 General
L.2 Calculations
L.2.1
L.2.2
Annex M
M.1 General
M.1.1
M.1.2
M.2 Indoor coil installation — Static pressure measurements
M.2.1
M.2.2
M.3 Indoor-side air quantity
M.3.1
M.3.2
M.4 Capacity adjustments
Annex N
N.1 General
N.2 Procedure flow chart for heating capacity test
Bibliography
Appendix ZZ
Cited references in this standard
Content history
[Superseded]
[Superseded]
[Available Superseded]
DR AS/NZS 3823.1.2
One-time Purchase
Access via web browser on any device
One-time purchase
Single publication
Offline access via PDF^
$275.61 AUD
Inclusive of GSTFormat *
Web Reader
Licenses *
1 user
Total$275.61 AUD
IMPORTANT