Appendix B to RIS 2009-03 - Australian Building Codes Board

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Appendix B to RIS 2009-03 - Australian Building Codes Board

PROPOSAL TO REVISE ENERGY EFFICIENCY REQUIREMENTS OF THE BUILDING CODE OF AUSTRALIA FOR RESIDENTIAL BUILDINGS

Case

Table 10 Summary of water heater performance modelling used in this RIS

Panels/ TD (2007) TD (2007a) TD (2009) TD (2009a) Flat, morning and evening peaks

Vol tubes Flat drawoffs Flat drawoffs Flat drawoffs Continuous Off-peak

GJ/yr (range for Zones 1 to 4) 6.6 13.2 19.8 5.0 9.9 14.8 7.4 12.3 18.8 3.8 5.9 10.7 16.1 3.8 5.9 10.7 16.1

8.3 13.9 20.9 4.9 7.6 13.9 20.8 4.9 7.6 13.9 20.8

Peak winter load MJ/day

20 40 60 15 30 45 23 38 57

(range for Zones 1 to 4)

25 42 63

Litres/day 70 110 200 300 70 110 200 300

1 Electric day-rate 85 NA X X X

2 Electric day-rate 150 NA X X X

3 Electric off-peak 300 NA

4 Electric off-peak 250 NA X X X

5 Electric off-peak 315 NA X X X X X X X

6 Electric Tank air source heat pump 300 NA X X X

7 Electric air source heat pump 150 NA X X X

8 Electric air source heat pump 340 NA X X X X X X X X

9 Electric air source heat pump 150 NA X X X X

10 Gas SWH (5 star) 170 NA X X X

11 Gas SWH (5 star) 135 NA X X X

12 Gas IWH (5 star) NA NA X X X X X X X

13a-f Gas SWH (range 1 to 6 stars) 135 NA X X X

14a-f Gas IWH (range 1 to 6 stars) NA NA X X X

15 Solar-elec thermosyphon 300 2 panel SE X X X X X X X X X X X

16 Solar-elec thermosyphon 300 2 panel HE X X X X X X X X X X X

17 Solar-elec thermosyphon 180 1 panel SE X X X X X X X

18 Solar-elec thermosyphon 180 1 panel HE X X X

19 Solar-elec split 300 3.9 m 2 evac X X X

20 Solar-elec split 300 2.5 m 2 evac X X X

21 Solar-elec split 250 22 tube evac X X X X X X X X

22 Solar-elec split 160 10 tube evac X X X X

23 Solar-elec split 160 14 tube evac X X X X X X X X

24 Solar-elec split 250 2.5 m 2 evac X X X X

25 Solar-gas IWH boost (in-line) 300 2 panel SE X X X X X X

26 Solar-gas IWH boost (in-line) 300 2 panel HE X X X

27 Solar-gas SWH boost (in tank) 170 2 panel Sel X X X X X X

28 Solar-gas IWH boost (in-line) 180 1 panel Dir X X X X X X X

29 Solar-gas SWH boost (in tank) 135 1 panel Sel X X X X X X

30 Solar-gas IWH boost (in-line) 250 2 panel HE X X X X

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