HNQAP

CD-KPI-H-01 Communal Distribution hours below outage limits

Element Communal Distribution (CD)
Standing Heatweb
Monitoring points CD1 · 30 min · tF (sensor, else heat meter); CD3 · 5 min · sensor dpIndex
Threshold < 60 h a year, judged on the month pro rata (≈ 4.9 h in 30 days); shorter windows report hours used
Calculation Σ_i min(t_{i+1} − t_i, 1 h) over readings with tF < tF_min or dP < dP_min; tF and dP spans unioned. Offered as an alternative to KPI-04/05. Uses design/minFlowTemp design/minDPIndex
Period Monthly (pro rata)

Part of the Hours below outage limits (alternative to 04/05) family.

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Machine-readable

This KPI is a row of kpi-reference.json (element CD, code CD-KPI-H-01). The notation and rules that apply to every KPI are on the reference page.