User`s guide

Installation
The following heating systems are only applicable with relay
module ECA 80
10.6 Indirectly connected system and secondarily
connected DHW storage charging system
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
10.7 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 ON
P2/M2*
For the control of the actuator use either relay output P2 or triac
output M2, see section 12.
10d