5.5.2 Boiler 2 - Temperatures
System menu
Boiler 2
Secondary boiler start delay
10m
If there is a requirement from the heating circuit or DHW tank and the buffer tank or boiler has insufficient tem‐
perature, the secondary boiler starts after the specified delay time set here.
Secondary boiler minimum runtime
10m
If the secondary boiler is started, it will run for at least the length of time set here.
Minimum temperature of secondary boiler
55°C
When the secondary boiler reaches the specified temperature, the loading pump is started and switches the
isolating valve.
Temperature difference between secondary boiler and buffer tank
10°C
Temperature difference between secondary boiler and upper temperature in layered tank to activate the load‐
ing pump of the secondary boiler.
Secondary boiler delivery temperature
95°C
Prerequisite: Hydraulic system 3 in conjunction with a manually loaded secondary boiler.
If the secondary boiler exceeds the specified temperature, the isolating valve switches and skims the boiler.
Menu overview and parameters
5
Boiler 2
Operating Instructions RBG 3200 Touch | B0780115_en
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