B - Radiator System Pump And Hot Water Pump Control - Computime Salus Controls iT500 Full User Manual

B - Radiator system pump and hot water pump control (pumps parallel operation or with DHW priority)
Hydraulic diagram:
Electric diagram:
Parallel operation of pumps:
10
AC 230V
L
L
CH
OUTPUT
COM
iT500RX
NO
N
P1
N
AT10F T
DHW
P2
P1
AUX
OUTPUT
COM
NO
1
AT10F
C
P2
TIMER
iT500TX
3V
2 x AA