92
Brief scan
Display
F
8
Solar cen-
tral heating
backup
0: not ena-
bled
1: enabled
Output 22
switching
state
0: OFF
1: ON
Open Therm extension (if installed)
F
9
Software
version
DHW heat-
ing status
External hook-up 0 - 10 V
Display in %
Checking outputs (relay test)
Weather-compensated control unit
1.
Press
OK
and
å
simultaneously
for approx. 4 s.
2. "Actuator test"
The following relay outputs can be controlled subject to system design:
Display
Explanation
Start base load
Burner operates at minimum output; internal pump
starts
Start full load
Burner operates at maximum output; internal pump
starts
Start internal output
Internal output
sÖ
(internal pump) enabled
Start valve heating
Diverter valve set to heating mode
Start valve centre
Diverter valve in central position (filling/draining)
Start valve cylinder
Diverter valve set to DHW mode
Start htg circ pump HC2
Heating circuit pump output enabled (extension to heat-
ing circuit with mixer)
Open mixer HC2
"Mixer open" output enabled (extension to heating circuit
with mixer)
Close mixer HC2
"Mixer closed" output enabled (extension to heating cir-
cuit with mixer)
Start htg circ pump HC3
Heating circuit pump output enabled (extension to heat-
ing circuit with mixer)
Diagnosis and service scans
Diagnosis
(cont.)
5692 843 GB