AS NZS 4234:2021 Sup 1-2021 Heated water systems一Calculation of energy consumption – Parameters and outcomes for software simulations (Supplement to AS/NZS 4234:2021). This Supplement to AS/NZS 4234:2021 provides the input parameters and outcome values to be used when establishing the suitability of simulation software. 2 References AS 3498, Safety and public health requirements for plumbing products—Water heaters and hot-water storage tanks AS/NZS 2535.1, Test methods for solar collectors, Part 1: Thermal performance of glazed liquid heating collectors including pressure drop (iSO 9806-1:1994, MOD) AS/NZS 4692.1, Electric water heaters, Part 1: Energy consumption, performance and general requirements AS/NZS 5125, Heat pump water heaters—Performance assessment, Part 1: Air source heat pump water heaters 3 Input parameter tables The information in the tables is arranged for each technology type, as follows: (a) Table 1 — Thermosiphon SWH with inline instantaneous gas boost. (b) Table 2 — Thermosiphon SWH with in-tank electric boost. (c) Table 3 — Pumped SWH with inline instantaneous gas boost. (d) Table 4 — Pumped SWH with inline instantaneous electric boost. (e) Table 5 — Pumped SWH with in-tank electric boost. (f) Table 6 — Heat pump water heater — Integral with in-tank electric boost. (g) Table 7 — Heat pump water heater — Standalone with in-tank electric boost. (h) Table 8 —PV powered heat pump — Standalone with in-tank grid electric boost. (i) Table 9 — PV powered SWH with grid electric boost. (j) Table 10 — Pumped SWH with heat pump — Standalone boost. (k) Table 11 — Electric reference water heater, very small and small loads for Australia. (1) Table 12 — Electric reference water heater, medium and large loads for Australia. (m) Table 13 — Gas reference water heater, all loads for Australia and New Zealand. (n) Table 14 — Electric reference water heater, all loads for New Zealand.AS NZS 4234 pdf download.
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