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ca27f0b9d8
An oil STORAGE combi (Worcester Greenstar Heatslave II, PCDB 18415,
store_type 1) zeroed its internal-store loss: pcdb_combi_loss_override
defers on store_type in {1,2,3} and a combi has no cylinder, so line
(56) dropped to zero — under-costing hot water and over-rating SAP by
+2.0..+4.9 across the five LRHA WAVE 3 oil combis.
SAP 10.2 Table 2 note b) now includes the store loss when the combi's
efficiency is from the PCDB: the PCDB store volume (field 42) and
insulation thickness (field 44) feed Table 2/2a with the Table 2b
storage-combi temperature factor, reproducing the accredited Elmhurst
P960 worksheet exactly (5.4175 kWh/day, Jan 167.94, ~1977 kWh/yr).
Cohort: within-0.5 55.3% -> 58.3%, MAE 0.675 -> 0.531; ratchet
tightened accordingly.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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| .. | ||
| abri | ||
| addresses | ||
| billing | ||
| bulk_document_download | ||
| data_transformation | ||
| epc | ||
| epc_prediction | ||
| fuel_rates | ||
| magicplan | ||
| modelling | ||
| pashub_fetcher | ||
| property | ||
| property_baseline | ||
| sap10_calculator | ||
| scenario_export | ||
| tasks | ||
| __init__.py | ||
| test_building_geometry.py | ||
| test_postcode.py | ||