Title: +038=370.101-OE002T_02-Multical 801 Energimåler Kamstrup - Teknisk beskrivelse.pdf
(e.g. integral radio module)District heating connectionShut-off valvesFor radiators and tank/exchangerCheck valveUltrasonic meters in flow and outletIf a difference that exceeds 20 % of the measuring range (corresponding to 300 l/h for a single-family house) is registered, an alarm will be sent within 120 s via remote communication.Small leaks from 15 kgs/h and upwards for qp 1.5 m3/h are monitored on the basis of daily average in order to exclude erroneous alarms due to air pockets and quick flow changes from e.g. hot water exchangers.District heating leak surveillance (V1-V2)M=0 1 2 3 4Sensitivity of leak search OFF 1.0 % qp + 20 % q 1.0 % qp + 10 % q 0.5 % qp + 20 % q 0.5 % qp + 10 % qNote: M=2 is the default value when leak surveillance is used. Increased sensitivity, e.g. M=4, can only be achieved by means of METERTOOL.Info codes for leakage/burst are only active when M > 0 or N > 0 respectively.60Kamstrup A/S · Technical Description · 5512-571_R1_GB_11_2016MULTICAL® 801