11
4.2 "Thermostat" functional block
Heating (if Start < Stop) and cooling (if Start > Stop)
Temperature Sensor PT1000
Optinal Thermostat function with 2
nd
Off-
Sensor for tank loading (lower placed)
3 time frames adjustable (see timer)
pre(- sec.) and after(+ sec.) output delay
4.3 "PHE" primary plate heat exchanger functional block
Temperature sensor onplate heat exchanger
Tank temperature sensor(s)
Minimum temperature for ON
3 time frames adjustable (see timer)
pre(- sec.) and after(+ sec.) output delay
DUPLEX and MULTIPLEX Systems with Main Plate Heat Exchanger function
P1= Dt(T1,T2orT4)
P2= Dt(T1,T4)
P1= Dt(Tx,T2)
P2= Dt(Tx,T4)
P1= Dt(T1orT4,T2)
P2= Dt(T4,T2)
1 x PHE = PX = Dt(Tx,T2orT4)