Installa
tion
10.2
Indirectly connected system and secondarily
connected DHW storage charging system
(DHW priority)
System settings
Circuit Line Description
Recomm.
setting
I
51
DHW charging pump /
changeover valve
ON
I
52
Closed valve / normal operation
OFF
I
53
Desired flow temperature at
DHW charging
OFF
I
90
P3 = DHW circulation pump
OFF
P2/M2*
For the control of the actuator use either relay output P2 or triac
output M2, see section 12.
10.3
Indirectly connected system and secondarily
connected DHW storage tank with built-in
heating coil
System settings
Circuit Line Description
Recomm.
setting
I
51
DHW charging pump /
changeover valve
OFF
I
52
Closed valve / normal operation
OFF
I
53
Desired flow temperature at
DHW charging
OFF
I
90
P3 = DHW circulation pump
ON
10b