Ntc 20; Sensor Measurement Ranges; Digital Inputs - Honeywell SDC 7-21 Installation Instructions Manual

SDC
Designation
Outside sensor
Heat generator sensor
Flow sensor 1
Flow sensor 2
Tank sensor
Collector flow sensor
Collector tank / buffer
sensor
Variable input VI-1*
Variable input VI-2
Variable input VI-3
Designation
Impulse metering unit
Burner stage 1 operating
hour counter
Burner stage 2 operating
hour counter
MU1H-0438GE51 R0313
7.3

Sensor measurement ranges

Brief description
AF
KF
VF1
VF2
SF
KVLF
KSPF
VE1
VE2
VE3
* 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

Brief description
Imp
BZ1
BZ2
Sensor type

NTC 20

NTC 20
NTC 20
NTC 20
NTC 20
PT 1000
NTC 20
NTC 20
PT 1000
NTC 20
NTC 20
Input type
Extra-low voltage
230 V
230 V
Technical data
Measurement
range
–50 °C to 90 °C
–50 °C to 120 °C
–50 °C to 120 °C
–50 °C to 120 °C
–50 °C to 120 °C
–50 °C to 210 °C
–50 °C to 120 °C
–50 °C to 120 °C
–50 °C to 500 °C
–50 °C to 120 °C
–50 °C to 120 °C
Measurement
range
≤ 10 Hz
OFF, ON
OFF, ON
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