64
Testing outputs (relay test)
1.
Press
OK
and
å
simultaneously for approx. 4 s.
2. "Actuator test"
The following relay outputs can be controlled subject to the system equipment level:
Shown on display
Explanation
All actuators
OFF
All actuators are off.
Base load
ON
Burner operated at minimum output; circulation pump is started.
Full load
ON
Burner operated at maximum output; circulation pump is started.
Output, internal
ON
Output
sÖ
active (boiler circuit pump)
Output 21/28
ON
Output
sA
active (circulation pump for cylinder heating)
Htg circ pump HC2
ON
Output for heating circuit pump enabled (extension heating circuit with
mixer)
Mixer HC2
Open
Output for "Mixer open" enabled (extension heating circuit with mixer)
Mixer HC2
Close
Output for "Mixer close" enabled (extension heating circuit with mixer)
Htg circ pump HC3
ON
Output for heating circuit pump enabled (extension heating circuit with
mixer)
Mixer HC3
Open
Output for "Mixer open" enabled (extension heating circuit with mixer)
Mixer HC3
Close
Output for "Mixer close" enabled (extension heating circuit with mixer)
Outp. int. exten. H1
ON
Output at internal extension enabled
AM1 output 1
ON
Output A1 at AM1 extension active
AM1 output 2
ON
Output A2 at AM1 extension active
EA1 output 1
ON
Contact P - S at plug
aBJ
of EA1 extension closed
Solar circuit pump
ON
Solar circuit pump output
sF
on solar control module SM1 active
Solar circuit pump min.
ON
Solar circuit pump output on solar control module SM1 switched to
minimum speed
Solar circuit pump 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
Service level, constant temperature control unit
Calling up the service level
Service menu:
1. Press
OK
and
å
simultaneously for approx. 4 s.
"
Ü
"
flashes on the display.
2. Select required function. See following pages.
Leaving the service level
Service menu:
1. Select
"Serv"
7
with
Ú
.
2. Confirm with
OK
.
"OFF"
flashes.
3. Confirm with
OK
.
Note
The system exits the service level automatically after
30 min.
Diagnosis, constant temperature control unit
1.
Press
OK
and
å
simultaneously for approx. 4 s.
"
Ü
" flashes on the display.
2.
Confirm with
OK
.
3.
Select the required scan with
V
/
v
. For example,
"b" for "Max. output" (see following table):
4.
Confirm selected scan with
OK
.
Diagnosis and service scans
Diagnosis, weather-compensated control unit
(cont.)
5839829
Diagnosis
