72
Brief scan
Display
Solar control module SM1
F
5
Stagnation time of the solar thermal system in h
F
6
Night circulation, solar thermal system (number)
F
7
Monitoring of differential temperature, solar thermal system
F
8
Reheating sup-
pression
0: Disabled
1: Active
Output 22 switch-
ing state
0: OFF
1: ON
OpenTherm extension (if installed)
F
9
Software ver-
sion
DHW heating sta-
tus
External hook-up 0 - 10 V
Display in %
Checking outputs (actuator 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
All actuators
OFF
All actuators are off
Base load
ON
Burner operates at minimum output; internal pump starts
Full load
ON
Burner operates at maximum output; internal pump starts
Output, internal
ON
Internal output
sÖ
(int. pump) active
Valve
Heating
Diverter valve set to heating mode
Valve
Centre
Diverter valve in central position (filling/draining)
Valve
DHW
Diverter valve set to DHW mode
Htg circ pump HC2
ON
Heating circuit pump output active (extension to heating circuit with mixer)
Mixer HC2
Open
"Mixer open" output active (extension to heating circuit with mixer)
Mixer HC2
Close
"Mixer close" output active (extension to heating circuit with mixer)
Htg circ pump HC3
ON
Heating circuit pump output active (extension to heating circuit with mixer)
Mixer HC3
Open
"Mixer open" output active (extension to heating circuit with mixer)
Mixer HC3
Close
"Mixer close" output active (extension to heating circuit with mixer)
Outp. int. exten. H1
ON
Output at internal extension active
AM1 output 1
ON
Output A1 at extension AM1 active
AM1 output 2
ON
Output A2 at extension AM1 active
EA1 output 1
ON
Contact P - S at plug
aBJ
of extension EA1 closed
Solar circuit pump
ON
Solar circuit pump output
sF
on solar control module SM1 active
Solar circ pmp min
ON
Solar circuit pump output on solar control module SM1 switched to minimum
speed
Solar circ pmp max
ON
Solar circuit pump output on solar control module SM1 switched to maximum
speed
SM1 output 22
ON
Output
sS
on solar control module SM1 active
Diagnosis and service scans
Diagnosis
(cont.)
5772 980 GB
Service