Apator Metra E-ITN 10 Series - 3 Technical Specifications

E-ITN 10
Installation and service manual M2015/04b [EN]
3. TECHNICAL SPECIFICATIONS
Application min. temperature of the heating medium t
min
≥ 55 °C (E-ITN 10.4x)
min. temperature of the heating medium t
min
≥ 35 °C (E-ITN 10.5x,
10.6, 10.7x)
max. temperature of the heating medium t
max
≤ 90 °C
Measuring principle one-sensor measuring principle (E-ITN 10.41)
one-sensor measuring principle with starting sensor (E-ITN 10.42)
two-sensor measuring principle (E-ITN 10.5x, 10.6, 10.7x)
Conditions for registration temperature of the sensor of the radiator temperature ≥ 28 °C (E-ITN
10.41)
temperature of the sensor of the radiator temperature ≥ 20 °C,
difference of mean temperature of heating medium and surroundings
temperature ≥ 4 °C (E-ITN 10.42)
temperature of the sensor of the radiator temperature ≥ 23 °C,
difference of mean temperature of heating medium and surroundings
temperature ≥ 4 °C (E-ITN 10.5x, 10.6, 10.7x)
Note: For E-ITN 10.41 and E-ITN 10.42 conditions for registration
can be set differently depending on values in setting protocol
Billing period year (E-ITN 10.4x, 10.51, 10.6, 10.71)
month (E-ITN 10.52, E-ITN 10.72)
Resulting rating factor K unified scale, K = 1 (E-ITN 10.4x, E-ITN 10.5x, E-ITN 10.7x)
individual scale (E-ITN 10.6)
Calendar functions E-ITN 10.4x, E-ITN 10.5x
• consumption value in the last billing period
• for last 24 moths: month values
E-ITN 10.6
• for the last billing period: consumption value, average
surroundings temperature, number of measuring cycles in
single-sensor mode, max. radiator temperature, max. tempe-
rature date, min. radiator temperature, min. temperature date
• for last 12 months: month values
E-ITN 10.71
• consumption value in the last billing period
• for last 12 months: month values, min., aver. and max.
radiator temperature, average surroundings temperature,
number of heating days
E-ITN 10.72
• consumption value in the last billing period
• for last 12 months: month values
• for last 6 months: min., aver. and max. radiator temperature,
number of heating days
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