Honeywell SDC 12-31, Installation Instructions Manual

Page: 37 / 92

SDC Technical data
MU1H-0438GE51 R0313 37
7.3 Sensor measurement ranges
Designation Brief description Sensor type Measurement
range
Outside sensor AF NTC 20
–50 °C to 90 °C
Heat generator sensor KF NTC 20
–50 °C to 120 °C
Flow sensor 1 VF1 NTC 20
–50 °C to 120 °C
Flow sensor 2 VF2 NTC 20
–50 °C to 120 °C
Tank sensor SF NTC 20
–50 °C to 120 °C
Collector flow sensor KVLF PT 1000
–50 °C to 210 °C
Collector tank / buffer
sensor KSPF NTC 20
–50 °C to 120 °C
Variable input VI-1* VE1 NTC 20
PT 1000
–50 °C to 120 °C
–50 °C to 500 °C
Variable input VI-2 VE2 NTC 20
–50 °C to 120 °C
Variable input VI-3 VE3 NTC 20
–50 °C to 120 °C
* Depending on the selection of the assigned function.
PT 1000 e.g. for exhaust gas sensor connection.
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7.4 Digital inputs
Designation Brief description Input type Measurement
range
Impulse metering unit Imp Extra-low voltage
≤ 10 Hz
Burner stage 1 operating
hour counter
BZ1 230 V OFF, ON
Burner stage 2 operating
hour counter BZ2 230 V OFF, ON