Instruction
INFOCAL 8
DEN-SMT/PL
VI.SH.L1.02
Danfoss District Enrgy
4
Installation of
temperature sensors,
continued
District heating/
boiler application
Installation of temperature sensors in 3 types of applications:
Combined heating/
cooling application
Chilled water application
T
H
T
C
T
C
T
H
Flow meter connection with pulse input and, if required, with power
supply at the terminals 9 (+Vcc), 10 (flow pulse), 11 (- Gnd) of the
calculator.
- Pulse frequency < 200 Hz
- Pulse duration > 3 msec
- Pulse rate in display “Loop 3 - INFO” (In0)
Flow sensor connection
Sensor marking
External Vcc 3.6 V
9 (+)
Open collector
10
Ground
11 (-)
5.0 Pulse input volume pulses
Calculator heating
Calculator heating / cooling
Calculator cooling