Installation
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
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